新增获取客服接口

键盘里ai回复的bug

.claude/settings.local.json

@@ -0,0 +1,8 @@
+{
+  "permissions": {
+    "allow": [
+      "WebSearch",
+      "Bash(git checkout:*)"
+    ]
+  }
+}

CustomKeyboard/Info.plist

@@ -6,6 +6,8 @@
 	<array>
 		<string>kbkeyboardAppExtension</string>
 	</array>
+	<key>NSMicrophoneUsageDescription</key>
+	<string>需要使用麦克风进行语音输入</string>
 	<key>NSExtension</key>
 	<dict>
 		<key>NSExtensionAttributes</key>

CustomKeyboard/KeyboardAssets.xcassets/ai_key_icon.imageset/Contents.json

@@ -5,12 +5,12 @@
       "scale" : "1x"
     },
     {
-      "filename" : "切图 270@2x.png",
+      "filename" : "切图 271@2x.png",
       "idiom" : "universal",
       "scale" : "2x"
     },
     {
-      "filename" : "切图 270@3x.png",
+      "filename" : "切图 271@3x.png",
       "idiom" : "universal",
       "scale" : "3x"
     }

CustomKeyboard/KeyboardAssets.xcassets/ai_limit_close.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "ai_limit_close@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "ai_limit_close@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

CustomKeyboard/KeyboardAssets.xcassets/ai_limit_goto.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "ai_limit_goto@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "ai_limit_goto@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

CustomKeyboard/KeyboardAssets.xcassets/ai_limit_icon.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "ai_limit_icon@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "ai_limit_icon@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

CustomKeyboard/KeyboardAssets.xcassets/close_icon.imageset/Contents.json

@@ -5,12 +5,12 @@
       "scale" : "1x"
     },
     {
-      "filename" : "key_123@2x.png",
+      "filename" : "close_icon@2x.png",
       "idiom" : "universal",
       "scale" : "2x"
     },
     {
-      "filename" : "key_123@3x.png",
+      "filename" : "close_icon@3x.png",
       "idiom" : "universal",
       "scale" : "3x"
     }

CustomKeyboard/KeyboardAssets.xcassets/kb_del_icon.imageset/Contents.json

@@ -4,15 +4,79 @@
       "idiom" : "universal",
       "scale" : "1x"
     },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "light"
+        }
+      ],
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
     {
       "filename" : "kb_del_icon@2x.png",
       "idiom" : "universal",
       "scale" : "2x"
     },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "light"
+        }
+      ],
+      "filename" : "kb_del_icon@2x 1.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "切图 256@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
     {
       "filename" : "kb_del_icon@3x.png",
       "idiom" : "universal",
       "scale" : "3x"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "light"
+        }
+      ],
+      "filename" : "kb_del_icon@3x 1.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "切图 256@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
     }
   ],
   "info" : {

CustomKeyboard/KeyboardAssets.xcassets/key_revoke.imageset/Contents.json

@@ -5,12 +5,12 @@
       "scale" : "1x"
     },
     {
-      "filename" : "key_ai@2x.png",
+      "filename" : "key_revoke@2x.png",
       "idiom" : "universal",
       "scale" : "2x"
     },
     {
-      "filename" : "key_ai@3x.png",
+      "filename" : "key_revoke@3x.png",
       "idiom" : "universal",
       "scale" : "3x"
     }

CustomKeyboard/KeyboardViewController.m

@@ -5,493 +5,237 @@
 //  Created by Mac on 2025/10/27.
 //
 
-#import "KeyboardViewController.h"
-#import "KBKeyBoardMainView.h"
+#import "KeyboardViewController+Private.h"
 
-#import "KBKey.h"
-#import "KBFunctionView.h"
-#import "KBSettingView.h"
-#import "Masonry.h"
-#import "KBAuthManager.h"
-#import "KBFullAccessManager.h"
-#import "KBSkinManager.h"
-#import "KBSkinInstallBridge.h"
-#import "KBHostAppLauncher.h"
-#import "KBKeyboardSubscriptionView.h"
-#import "KBKeyboardSubscriptionProduct.h"
 #import "KBBackspaceUndoManager.h"
+#import "KBChatLimitPopView.h"
+#import "KBChatPanelView.h"
+#import "KBFullAccessManager.h"
+#import "KBFunctionView.h"
+#import "KBInputBufferManager.h"
+#import "KBKeyBoardMainView.h"
+#import "KBKeyboardSubscriptionView.h"
+#import "KBLocalizationManager.h"
+#import "KBSkinManager.h"
+#import "KBSuggestionEngine.h"
+#import <SDWebImage/SDWebImage.h>
 
-// 提前声明一个类别，使编译器在 static 回调中识别 kb_consumePendingShopSkin 方法。
-@interface KeyboardViewController (KBSkinShopBridge)
-- (void)kb_consumePendingShopSkin;
-@end
+#if DEBUG
+#import <mach/mach.h>
+#endif
 
-// 以 375 宽设计稿为基准的键盘总高度（包括顶部工具栏）
-static const CGFloat kKBKeyboardDesignHeight = 250.0f;
+#if DEBUG
+static NSInteger sKBKeyboardVCAliveCount = 0;
 
-static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
-                                              void *observer,
-                                              CFStringRef name,
-                                              const void *object,
-                                              CFDictionaryRef userInfo) {
-    KeyboardViewController *strongSelf = (__bridge KeyboardViewController *)observer;
-    if (!strongSelf) { return; }
-    dispatch_async(dispatch_get_main_queue(), ^{
-        if ([strongSelf respondsToSelector:@selector(kb_consumePendingShopSkin)]) {
-            [strongSelf kb_consumePendingShopSkin];
-        }
-    });
+static uint64_t KBPhysFootprintBytes(void) {
+  task_vm_info_data_t vmInfo;
+  mach_msg_type_number_t count = TASK_VM_INFO_COUNT;
+  kern_return_t kr = task_info(mach_task_self(), TASK_VM_INFO,
+                               (task_info_t)&vmInfo, &count);
+  if (kr != KERN_SUCCESS) {
+    return 0;
+  }
+  return (uint64_t)vmInfo.phys_footprint;
 }
 
-@interface KeyboardViewController () <KBKeyBoardMainViewDelegate, KBFunctionViewDelegate, KBKeyboardSubscriptionViewDelegate>
-@property (nonatomic, strong) UIButton *nextKeyboardButton; // 系统“下一个键盘”按钮（可选）
-@property (nonatomic, strong) KBKeyBoardMainView *keyBoardMainView;   // 功能面板视图（点击工具栏第0个时显示）
-@property (nonatomic, strong) KBFunctionView *functionView;   // 功能面板视图（点击工具栏第0个时显示）
-@property (nonatomic, strong) KBSettingView *settingView;     // 设置页
-@property (nonatomic, strong) UIImageView *bgImageView;       // 背景图（在底层）
-@property (nonatomic, strong) KBKeyboardSubscriptionView *subscriptionView;
-@end
+static NSString *KBFormatMB(uint64_t bytes) {
+  double mb = (double)bytes / 1024.0 / 1024.0;
+  return [NSString stringWithFormat:@"%.1fMB", mb];
+}
+#endif
 
 @implementation KeyboardViewController
 
 {
-    BOOL _kb_didTriggerLoginDeepLinkOnce;
+  BOOL _kb_didTriggerLoginDeepLinkOnce;
+#if DEBUG
+  BOOL _kb_debugDidCountAlive;
+#endif
 }
 
 - (void)viewDidLoad {
-    [super viewDidLoad];
-    [self setupUI];
-    // 指定 HUD 的承载视图（扩展里无法取到 App 的 KeyWindow）
-    [KBHUD setContainerView:self.view];
-    // 绑定完全访问管理器，便于统一感知和联动网络开关
-    [[KBFullAccessManager shared] bindInputController:self];
-    __unused id token = [[NSNotificationCenter defaultCenter] addObserverForName:KBFullAccessChangedNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(__unused NSNotification * _Nonnull note) {
-        // 如需，可在此刷新与完全访问相关的 UI
-    }];
+  [super viewDidLoad];
+#if DEBUG
+  if (!_kb_debugDidCountAlive) {
+    _kb_debugDidCountAlive = YES;
+    sKBKeyboardVCAliveCount += 1;
+  }
+  NSLog(@"[Keyboard] KeyboardViewController viewDidLoad alive=%ld self=%p mem=%@",
+        (long)sKBKeyboardVCAliveCount, self, KBFormatMB(KBPhysFootprintBytes()));
+#endif
+  // 撤销删除是“上一段删除操作”的临时状态；键盘被系统回收/重建或跨页面回来时应当清空，避免误显示。
+  [[KBBackspaceUndoManager shared] registerNonClearAction];
+  [self setupUI];
+  self.suggestionEngine = [KBSuggestionEngine shared];
+  self.currentWord = @"";
+  // 指定 HUD 的承载视图（扩展里无法取到 App 的 KeyWindow）
+  [KBHUD setContainerView:self.view];
+  // 绑定完全访问管理器，便于统一感知和联动网络开关
+  [[KBFullAccessManager shared] bindInputController:self];
+  self.kb_fullAccessObserverToken = [[NSNotificationCenter defaultCenter]
+      addObserverForName:KBFullAccessChangedNotification
+                  object:nil
+                   queue:[NSOperationQueue mainQueue]
+              usingBlock:^(__unused NSNotification *_Nonnull note){
+                  // 如需，可在此刷新与完全访问相关的 UI
+              }];
 
-    // 皮肤变化时，立即应用
-    __unused id token2 = [[NSNotificationCenter defaultCenter] addObserverForName:KBSkinDidChangeNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(__unused NSNotification * _Nonnull note) {
-        [self kb_applyTheme];
-    }];
-    [self kb_applyTheme];
-    CFNotificationCenterAddObserver(CFNotificationCenterGetDarwinNotifyCenter(),
-                                    (__bridge const void *)(self),
-                                    KBSkinInstallNotificationCallback,
-                                    (__bridge CFStringRef)KBDarwinSkinInstallRequestNotification,
-                                    NULL,
-                                    CFNotificationSuspensionBehaviorDeliverImmediately);
-    [self kb_consumePendingShopSkin];
-    
+  // 皮肤变化时，立即应用
+  __weak typeof(self) weakSelf = self;
+  self.kb_skinObserverToken = [[NSNotificationCenter defaultCenter]
+      addObserverForName:KBSkinDidChangeNotification
+                  object:nil
+                   queue:[NSOperationQueue mainQueue]
+              usingBlock:^(__unused NSNotification *_Nonnull note) {
+                __strong typeof(weakSelf) self = weakSelf;
+                if (!self) {
+                  return;
+                }
+                [self kb_applyTheme];
+              }];
+  [self kb_applyTheme];
+  [self kb_registerDarwinSkinInstallObserver];
+  [self kb_consumePendingShopSkin];
+  [self kb_applyDefaultSkinIfNeeded];
 }
 
-- (void)viewWillAppear:(BOOL)animated{
-    [super viewWillAppear:animated];
-    [[KBLocalizationManager shared] reloadFromSharedStorageIfNeeded];
+- (void)didReceiveMemoryWarning {
+  [super didReceiveMemoryWarning];
+  // 扩展进程内存上限较小：在系统发出内存警告时主动清理可重建的缓存，降低被系统杀死概率。
+  self.kb_cachedGradientImage = nil;
+  [self.kb_defaultGradientLayer removeFromSuperlayer];
+  self.kb_defaultGradientLayer = nil;
+  [[KBSkinManager shared] clearRuntimeImageCaches];
+  [[SDImageCache sharedImageCache] clearMemory];
 }
 
+- (void)viewWillAppear:(BOOL)animated {
+  [super viewWillAppear:animated];
+  // FIX: iOS 26 键盘闪烁问题 —— 恢复键盘正确高度
+  // setupUI 中高度初始为 0（防止系统预渲染快照闪烁），此处恢复为实际键盘高度。
+  // 此时系统已准备好键盘滑入动画，恢复高度后键盘将正常从底部滑入。
+  CGFloat portraitWidth = [self kb_portraitWidth];
+  CGFloat keyboardHeight = [self kb_keyboardHeightForWidth:portraitWidth];
+  if (self.kb_heightConstraint) {
+    self.kb_heightConstraint.constant = keyboardHeight;
+  }
+  // 进入/重新进入输入界面时，清理上一次会话残留的撤销状态与缓存，避免显示“撤销删除”但实际上已不可撤销。
+  [[KBBackspaceUndoManager shared] registerNonClearAction];
+  [[KBInputBufferManager shared] resetWithText:@""];
+  [[KBLocalizationManager shared] reloadFromSharedStorageIfNeeded];
+  // 键盘再次出现时，恢复 HUD 容器与主题（viewDidDisappear 里可能已清理图片/缓存）。
+  [KBHUD setContainerView:self.view];
+  [self kb_ensureKeyBoardMainViewIfNeeded];
+  [self kb_applyTheme];
+#if DEBUG
+  NSLog(@"[Keyboard] viewWillAppear self=%p mem=%@",
+        self, KBFormatMB(KBPhysFootprintBytes()));
+#endif
+  // 注意：微信/QQ 等宿主的 documentContext 可能是“截断窗口”，这里只更新
+  // liveText，不要把它当作全文 manualSnapshot。
+  [[KBInputBufferManager shared]
+      updateFromExternalContextBefore:self.textDocumentProxy
+                                          .documentContextBeforeInput
+                                after:self.textDocumentProxy
+                                          .documentContextAfterInput];
+}
 
-- (void)setupUI {
-    self.view.translatesAutoresizingMaskIntoConstraints = NO;
-    
-    // 按屏幕宽度对设计值做等比缩放，避免在不同机型上键盘整体高度失真导致皮肤被压缩/拉伸
-    CGFloat keyboardHeight = KBFit(kKBKeyboardDesignHeight);
-    CGFloat screenWidth = [UIScreen mainScreen].bounds.size.width;
-    CGFloat outerVerticalInset = KBFit(4.0f);
+- (void)viewWillDisappear:(BOOL)animated {
+  [super viewWillDisappear:animated];
+  [[KBBackspaceUndoManager shared] registerNonClearAction];
+  [self kb_releaseMemoryWhenKeyboardHidden];
+#if DEBUG
+  NSLog(@"[Keyboard] viewWillDisappear self=%p mem=%@",
+        self, KBFormatMB(KBPhysFootprintBytes()));
+#endif
+}
 
-    NSLayoutConstraint *h = [self.view.heightAnchor constraintEqualToConstant:keyboardHeight];
-    NSLayoutConstraint *w = [self.view.widthAnchor  constraintEqualToConstant:screenWidth];
+- (void)viewDidDisappear:(BOOL)animated {
+  [super viewDidDisappear:animated];
+  // 再兜底一次，防止某些宿主只触发 willDisappear 而未触发 didDisappear。
+  [self kb_releaseMemoryWhenKeyboardHidden];
+}
 
-    h.priority = UILayoutPriorityRequired;
-    w.priority = UILayoutPriorityRequired;
-    [NSLayoutConstraint activateConstraints:@[h, w]];
-    // 关闭 UIInputView 自适应（某些系统版本会尝试放大为全屏高度导致冲突）
-    if ([self.view isKindOfClass:[UIInputView class]]) {
-        UIInputView *iv = (UIInputView *)self.view;
-        if ([iv respondsToSelector:@selector(setAllowsSelfSizing:)]) {
-            iv.allowsSelfSizing = NO;
-        }
+- (void)traitCollectionDidChange:(UITraitCollection *)previousTraitCollection {
+  [super traitCollectionDidChange:previousTraitCollection];
+  if (@available(iOS 13.0, *)) {
+    if (previousTraitCollection.userInterfaceStyle !=
+        self.traitCollection.userInterfaceStyle) {
+      self.kb_cachedGradientImage = nil;
+      [self kb_applyDefaultSkinIfNeeded];
     }
-    // 背景图铺底
-    [self.view addSubview:self.bgImageView];
-    [self.bgImageView mas_makeConstraints:^(MASConstraintMaker *make) {
-        make.edges.equalTo(self.view);
-    }];
-    // 预置功能面板（默认隐藏），与键盘区域共享相同布局
-    self.functionView.hidden = YES;
-    [self.view addSubview:self.functionView];
-    [self.functionView mas_makeConstraints:^(MASConstraintMaker *make) {
-        make.left.right.equalTo(self.view);
-        make.top.equalTo(self.view).offset(0);
-        make.bottom.equalTo(self.view).offset(0);
-    }];
-    
-    [self.view addSubview:self.keyBoardMainView];
-    [self.keyBoardMainView mas_makeConstraints:^(MASConstraintMaker *make) {
-        make.left.right.equalTo(self.view);
-        make.top.equalTo(self.view).offset(0);
-        make.bottom.equalTo(self.view.mas_bottom).offset(-0);
-    }];
+  }
 }
 
-
-
-#pragma mark - Private
-
-/// 切换显示功能面板/键盘主视图
-- (void)showFunctionPanel:(BOOL)show {
-    // 简单显隐切换，复用相同的布局区域
-    self.functionView.hidden = !show;
-    self.keyBoardMainView.hidden = show;
-
-    if (show) {
-        [self hideSubscriptionPanel];
-    }
-    
-    // 可选：把当前显示的视图置顶，避免层级遮挡
-    if (show) {
-        [self.view bringSubviewToFront:self.functionView];
-    } else {
-        [self.view bringSubviewToFront:self.keyBoardMainView];
-    }
+- (void)textDidChange:(id<UITextInput>)textInput {
+  [super textDidChange:textInput];
+  [[KBInputBufferManager shared]
+      updateFromExternalContextBefore:self.textDocumentProxy
+                                          .documentContextBeforeInput
+                                after:self.textDocumentProxy
+                                          .documentContextAfterInput];
 }
 
-/// 显示/隐藏设置页（高度与 keyBoardMainView 一致），右侧滑入/滑出
-- (void)showSettingView:(BOOL)show {
-    if (show) {
-        //        if (!self.settingView) {
-        self.settingView = [[KBSettingView alloc] init];
-        self.settingView.hidden = YES;
-        [self.view addSubview:self.settingView];
-        [self.settingView mas_makeConstraints:^(MASConstraintMaker *make) {
-            // 与键盘主视图完全等同的区域，保证高度、宽度一致
-            make.edges.equalTo(self.keyBoardMainView);
-        }];
-        [self.settingView.backButton addTarget:self action:@selector(onTapSettingsBack) forControlEvents:UIControlEventTouchUpInside];
-        //        }
-        [self.view bringSubviewToFront:self.settingView];
-        // 以 keyBoardMainView 的实际宽度为准，避免首次添加时 self.view 宽度尚未计算
-        [self.view layoutIfNeeded];
-        CGFloat w = CGRectGetWidth(self.keyBoardMainView.bounds);
-        if (w <= 0) { w = CGRectGetWidth(self.view.bounds); }
-        if (w <= 0) { w = [UIScreen mainScreen].bounds.size.width; }
-        self.settingView.transform = CGAffineTransformMakeTranslation(w, 0);
-        self.settingView.hidden = NO;
-        [UIView animateWithDuration:0.25 delay:0 options:UIViewAnimationOptionCurveEaseOut animations:^{
-            self.settingView.transform = CGAffineTransformIdentity;
-        } completion:nil];
-    } else {
-        if (!self.settingView || self.settingView.hidden) return;
-        CGFloat w = CGRectGetWidth(self.keyBoardMainView.bounds);
-        if (w <= 0) { w = CGRectGetWidth(self.view.bounds); }
-        if (w <= 0) { w = [UIScreen mainScreen].bounds.size.width; }
-        [UIView animateWithDuration:0.22 delay:0 options:UIViewAnimationOptionCurveEaseIn animations:^{
-            self.settingView.transform = CGAffineTransformMakeTranslation(w, 0);
-        } completion:^(BOOL finished) {
-            self.settingView.hidden = YES;
-        }];
-    }
+- (void)viewDidAppear:(BOOL)animated {
+  [super viewDidAppear:animated];
+  //    if (!_kb_didTriggerLoginDeepLinkOnce) {
+  //        _kb_didTriggerLoginDeepLinkOnce = YES;
+  //        // 仅在未登录时尝试拉起主App登录
+  //        if (!KBAuthManager.shared.isLoggedIn) {
+  //            [self kb_tryOpenContainerForLoginIfNeeded];
+  //        }
+  //    }
 }
 
-- (void)showSubscriptionPanel {
-    // 1) 先判断权限：未开启“完全访问”则走引导逻辑
-    if (![[KBFullAccessManager shared] hasFullAccess]) {
-        // 未开启完全访问：保持原有引导路径
-//        [KBHUD showInfo:KBLocalized(@"处理中…")];
-        [[KBFullAccessManager shared] ensureFullAccessOrGuideInView:self.view];
-        return;
-    }
-    // 点击充值要先判断是否登录
-    // 2) 权限没问题，再判断是否登录：未登录 -> 直接拉起主 App，由主 App 负责完成登录
-    if (!KBAuthManager.shared.isLoggedIn) {
-        NSString *schemeStr = [NSString stringWithFormat:@"%@://login?src=keyboard", KB_APP_SCHEME];
-        NSURL *scheme = [NSURL URLWithString:schemeStr];
-        // 从当前视图作为起点，通过响应链找到 UIApplication 再调起主 App
-        BOOL ok = [KBHostAppLauncher openHostAppURL:scheme fromResponder:self.view];
-        return;
-    }
-    [self showFunctionPanel:NO];
-    KBKeyboardSubscriptionView *panel = self.subscriptionView;
-    if (!panel.superview) {
-        panel.hidden = YES;
-        [self.view addSubview:panel];
-        [panel mas_makeConstraints:^(MASConstraintMaker *make) {
-            make.edges.equalTo(self.keyBoardMainView);
-        }];
-    }
-    [self.view bringSubviewToFront:panel];
-    panel.hidden = NO;
-    panel.alpha = 0.0;
-    CGFloat height = CGRectGetHeight(self.view.bounds);
-    if (height <= 0) { height = 260; }
-    panel.transform = CGAffineTransformMakeTranslation(0, height);
-    [panel refreshProductsIfNeeded];
-    [UIView animateWithDuration:0.25 delay:0 options:UIViewAnimationOptionCurveEaseOut animations:^{
-        panel.alpha = 1.0;
-        panel.transform = CGAffineTransformIdentity;
-    } completion:nil];
+- (void)viewDidLayoutSubviews {
+  [super viewDidLayoutSubviews];
+  //  [self kb_updateKeyboardLayoutIfNeeded];
+
+  // 首次布局完成后显示，避免闪烁
+  if (self.contentView.hidden) {
+    self.contentView.hidden = NO;
+  }
+  if (self.kb_defaultGradientLayer) {
+    self.kb_defaultGradientLayer.frame = self.bgImageView.bounds;
+  }
 }
 
-- (void)hideSubscriptionPanel {
-    if (!self.subscriptionView || self.subscriptionView.hidden) { return; }
-    CGFloat height = CGRectGetHeight(self.subscriptionView.bounds);
-    if (height <= 0) { height = CGRectGetHeight(self.view.bounds); }
-    KBKeyboardSubscriptionView *panel = self.subscriptionView;
-    [UIView animateWithDuration:0.22 delay:0 options:UIViewAnimationOptionCurveEaseIn animations:^{
-        panel.alpha = 0.0;
-        panel.transform = CGAffineTransformMakeTranslation(0, height);
-    } completion:^(BOOL finished) {
-        panel.hidden = YES;
-        panel.alpha = 1.0;
-        panel.transform = CGAffineTransformIdentity;
-    }];
-}
-
-
-
-// MARK: - KBKeyBoardMainViewDelegate
-- (void)keyBoardMainView:(KBKeyBoardMainView *)keyBoardMainView didTapKey:(KBKey *)key {
-    if (key.type != KBKeyTypeShift && key.type != KBKeyTypeModeChange) {
-        [[KBBackspaceUndoManager shared] registerNonClearAction];
-    }
-    switch (key.type) {
-        case KBKeyTypeCharacter:
-            [self.textDocumentProxy insertText:key.output ?: key.title ?: @""]; break;
-        case KBKeyTypeBackspace:
-            [self.textDocumentProxy deleteBackward]; break;
-        case KBKeyTypeSpace:
-            [self.textDocumentProxy insertText:@" "]; break;
-        case KBKeyTypeReturn:
-            [self.textDocumentProxy insertText:@"\n"]; break;
-        case KBKeyTypeGlobe:
-            [self advanceToNextInputMode]; break;
-        case KBKeyTypeCustom:
-            // 点击自定义键切换到功能面板
-            [self showFunctionPanel:YES];
-            break;
-        case KBKeyTypeModeChange:
-        case KBKeyTypeShift:
-            // 这些已在 KBKeyBoardMainView/KBKeyboardView 内部处理
-            break;
-    }
-}
-
-- (void)keyBoardMainView:(KBKeyBoardMainView *)keyBoardMainView didTapToolActionAtIndex:(NSInteger)index {
-    if (index == 0) {
-        [self showFunctionPanel:YES];
-        return;
-    }
-    [self showFunctionPanel:NO];
-}
-
-- (void)keyBoardMainViewDidTapSettings:(KBKeyBoardMainView *)keyBoardMainView {
-    [self showSettingView:YES];
-}
-
-- (void)keyBoardMainView:(KBKeyBoardMainView *)keyBoardMainView didSelectEmoji:(NSString *)emoji {
-    if (emoji.length == 0) { return; }
-    [[KBBackspaceUndoManager shared] registerNonClearAction];
-    [self.textDocumentProxy insertText:emoji];
-}
-
-- (void)keyBoardMainViewDidTapUndo:(KBKeyBoardMainView *)keyBoardMainView {
-    [[KBBackspaceUndoManager shared] performUndoFromResponder:self.view];
-}
-
-- (void)keyBoardMainViewDidTapEmojiSearch:(KBKeyBoardMainView *)keyBoardMainView {
-    [KBHUD showInfo:KBLocalized(@"Search coming soon")];
-}
-
-// MARK: - KBFunctionViewDelegate
-- (void)functionView:(KBFunctionView *)functionView didTapToolActionAtIndex:(NSInteger)index {
-    // 需求：当 index == 0 时，切回键盘主视图
-    if (index == 0) {
-        [self showFunctionPanel:NO];
-    }
-}
-- (void)functionView:(KBFunctionView *_Nullable)functionView didRightTapToolActionAtIndex:(NSInteger)index{
-    NSString *schemeStr = [NSString stringWithFormat:@"%@://recharge?src=keyboard", KB_APP_SCHEME];
-    NSURL *scheme = [NSURL URLWithString:schemeStr];
-//
-//    if (!ul && !scheme) { return; }
-//
-    // 从当前视图作为起点，通过响应链找到 UIApplication 再调起主 App
-    BOOL ok = [KBHostAppLauncher openHostAppURL:scheme fromResponder:self.view];
-
-       if (!ok) {
-           // 失败兜底：给个文案提示
-           // 比如：请回到桌面手动打开 XXX App 进行设置/充值
-           [KBHUD showInfo:@"请回到桌面手动打开App进行充值"];
-       }
-}
-
-- (void)functionViewDidRequestSubscription:(KBFunctionView *)functionView {
-    [self showSubscriptionPanel];
-}
-
-#pragma mark - KBKeyboardSubscriptionViewDelegate
-
-- (void)subscriptionViewDidTapClose:(KBKeyboardSubscriptionView *)view {
-    [self hideSubscriptionPanel];
-}
-
-- (void)subscriptionView:(KBKeyboardSubscriptionView *)view didTapPurchaseForProduct:(KBKeyboardSubscriptionProduct *)product {
-    [self hideSubscriptionPanel];
-    [self kb_openRechargeForProduct:product];
-}
-
-#pragma mark - lazy
-- (KBKeyBoardMainView *)keyBoardMainView{
-    if (!_keyBoardMainView) {
-        _keyBoardMainView = [[KBKeyBoardMainView alloc] init];
-        _keyBoardMainView.delegate = self;
-    }
-    return _keyBoardMainView;
-}
-
-- (KBFunctionView *)functionView{
-    if (!_functionView) {
-        _functionView = [[KBFunctionView alloc] init];
-        _functionView.delegate = self; // 监听功能面板顶部Bar点击
-    }
-    return _functionView;
-}
-
-- (KBSettingView *)settingView {
-    if (!_settingView) {
-        _settingView = [[KBSettingView alloc] init];
-    }
-    return _settingView;
-}
-
-- (KBKeyboardSubscriptionView *)subscriptionView {
-    if (!_subscriptionView) {
-        _subscriptionView = [[KBKeyboardSubscriptionView alloc] init];
-        _subscriptionView.delegate = self;
-        _subscriptionView.hidden = YES;
-        _subscriptionView.alpha = 0.0;
-    }
-    return _subscriptionView;
-}
-
-
-#pragma mark - Actions
-
-- (void)kb_openRechargeForProduct:(KBKeyboardSubscriptionProduct *)product {
-    if (![product isKindOfClass:KBKeyboardSubscriptionProduct.class] || product.productId.length == 0) {
-        [KBHUD showInfo:KBLocalized(@"Product unavailable")];
-        return;
-    }
-    NSString *encodedId = [self.class kb_urlEncodedString:product.productId];
-    NSString *title = [product displayTitle];
-    NSString *encodedTitle = [self.class kb_urlEncodedString:title];
-    NSMutableArray<NSString *> *params = [NSMutableArray arrayWithObjects:@"autoPay=1", @"prefill=1", nil];
-    if (encodedId.length) {
-        [params addObject:[NSString stringWithFormat:@"productId=%@", encodedId]];
-    }
-    if (encodedTitle.length) {
-        [params addObject:[NSString stringWithFormat:@"productTitle=%@", encodedTitle]];
-    }
-    NSString *query = [params componentsJoinedByString:@"&"];
-    NSString *urlString = [NSString stringWithFormat:@"%@://recharge?src=keyboard&%@", KB_APP_SCHEME, query];
-    NSURL *scheme = [NSURL URLWithString:urlString];
-    BOOL success = [KBHostAppLauncher openHostAppURL:scheme fromResponder:self.view];
-    if (!success) {
-        [KBHUD showInfo:KBLocalized(@"Please open the App to finish purchase")];
-    }
-}
-
-+ (NSString *)kb_urlEncodedString:(NSString *)value {
-    if (value.length == 0) { return @""; }
-    NSString *reserved = @"!*'();:@&=+$,/?%#[]";
-    NSMutableCharacterSet *allowed = [[NSCharacterSet URLQueryAllowedCharacterSet] mutableCopy];
-    [allowed removeCharactersInString:reserved];
-    return [value stringByAddingPercentEncodingWithAllowedCharacters:allowed] ?: @"";
-}
-
-- (void)onTapSettingsBack {
-    [self showSettingView:NO];
+- (void)viewWillTransitionToSize:(CGSize)size
+       withTransitionCoordinator:
+           (id<UIViewControllerTransitionCoordinator>)coordinator {
+  [super viewWillTransitionToSize:size withTransitionCoordinator:coordinator];
+  __weak typeof(self) weakSelf = self;
+  [coordinator
+      animateAlongsideTransition:^(
+          id<UIViewControllerTransitionCoordinatorContext> _Nonnull context) {
+        [weakSelf kb_updateKeyboardLayoutIfNeeded];
+      }
+      completion:^(
+          __unused id<
+              UIViewControllerTransitionCoordinatorContext> _Nonnull context) {
+        [weakSelf kb_updateKeyboardLayoutIfNeeded];
+      }];
 }
 
 - (void)dealloc {
-    CFNotificationCenterRemoveObserver(CFNotificationCenterGetDarwinNotifyCenter(),
-                                       (__bridge const void *)(self),
-                                       (__bridge CFStringRef)KBDarwinSkinInstallRequestNotification,
-                                       NULL);
+  if (self.kb_fullAccessObserverToken) {
+    [[NSNotificationCenter defaultCenter]
+        removeObserver:self.kb_fullAccessObserverToken];
+    self.kb_fullAccessObserverToken = nil;
+  }
+  if (self.kb_skinObserverToken) {
+    [[NSNotificationCenter defaultCenter]
+        removeObserver:self.kb_skinObserverToken];
+    self.kb_skinObserverToken = nil;
+  }
+  [self kb_unregisterDarwinSkinInstallObserver];
+#if DEBUG
+  if (_kb_debugDidCountAlive) {
+    sKBKeyboardVCAliveCount -= 1;
+  }
+  NSLog(@"[Keyboard] KeyboardViewController dealloc alive=%ld self=%p mem=%@",
+        (long)sKBKeyboardVCAliveCount, self, KBFormatMB(KBPhysFootprintBytes()));
+#endif
 }
 
-
-// 当键盘第一次显示时，尝试唤起主 App 以提示登录（由主 App 决定是否真的弹登录）。
-- (void)viewDidAppear:(BOOL)animated {
-    [super viewDidAppear:animated];
-//    if (!_kb_didTriggerLoginDeepLinkOnce) {
-//        _kb_didTriggerLoginDeepLinkOnce = YES;
-//        // 仅在未登录时尝试拉起主App登录
-//        if (!KBAuthManager.shared.isLoggedIn) {
-//            [self kb_tryOpenContainerForLoginIfNeeded];
-//        }
-//    }
-}
-
-//- (void)kb_tryOpenContainerForLoginIfNeeded {
-//    // 使用与主 App 一致的自定义 Scheme
-//    NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"%@@//login?src=keyboard", KB_APP_SCHEME]];
-//    if (!url) return;
-//    KBWeakSelf
-//    [self.extensionContext openURL:url completionHandler:^(__unused BOOL success) {
-//        // 即使失败也不重复尝试；避免打扰。
-//        __unused typeof(weakSelf) selfStrong = weakSelf;
-//    }];
-//}
-
-#pragma mark - Theme
-
-- (void)kb_applyTheme {
-    KBSkinTheme *t = [KBSkinManager shared].current;
-    UIImage *img = [[KBSkinManager shared] currentBackgroundImage];
-    self.bgImageView.image = img;
-    BOOL hasImg = (img != nil);
-    self.view.backgroundColor = hasImg ? [UIColor clearColor] : t.keyboardBackground;
-    self.keyBoardMainView.backgroundColor = hasImg ? [UIColor clearColor] : t.keyboardBackground;
-    // 触发键区按主题重绘
-    if ([self.keyBoardMainView respondsToSelector:@selector(kb_applyTheme)]) {
-        // method declared in KBKeyBoardMainView.h
-        #pragma clang diagnostic push
-        #pragma clang diagnostic ignored "-Warc-performSelector-leaks"
-        [self.keyBoardMainView performSelector:@selector(kb_applyTheme)];
-        #pragma clang diagnostic pop
-    }
-    if ([self.functionView respondsToSelector:@selector(kb_applyTheme)]) {
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
-        [self.functionView performSelector:@selector(kb_applyTheme)];
-#pragma clang diagnostic pop
-    }
-}
-
-- (void)kb_consumePendingShopSkin {
-    KBWeakSelf
-    [KBSkinInstallBridge consumePendingRequestFromBundle:NSBundle.mainBundle
-                                              completion:^(BOOL success, NSError * _Nullable error) {
-        if (!success) {
-            if (error) {
-                NSLog(@"[Keyboard] skin request failed: %@", error);
-                [KBHUD showInfo:KBLocalized(@"皮肤资源准备失败，请稍后再试")];
-            }
-            return;
-        }
-        [weakSelf kb_applyTheme];
-        [KBHUD showInfo:KBLocalized(@"皮肤已更新，立即体验吧")];
-    }];
-}
-
-#pragma mark - Lazy
-
-- (UIImageView *)bgImageView {
-    if (!_bgImageView) {
-        _bgImageView = [[UIImageView alloc] init];
-        _bgImageView.contentMode = UIViewContentModeScaleAspectFill;
-        _bgImageView.clipsToBounds = YES;
-    }
-    return _bgImageView;
-}
 @end

CustomKeyboard/KeyboardViewControllerHelp/KeyboardViewController+Chat.m

@@ -0,0 +1,681 @@
+//
+//  KeyboardViewController+Chat.m
+//  CustomKeyboard
+//
+//  Created by Codex on 2026/02/22.
+//
+
+#import "KeyboardViewController+Private.h"
+
+#import "KBChatLimitPopView.h"
+#import "KBChatMessage.h"
+#import "KBChatPanelView.h"
+#import "KBFullAccessManager.h"
+#import "KBHostAppLauncher.h"
+#import "KBInputBufferManager.h"
+#import "KBNetworkManager.h"
+#import "KBVM.h"
+#import "Masonry.h"
+
+#import <AVFoundation/AVFoundation.h>
+
+static const NSUInteger kKBChatMessageLimit = 6;
+
+@implementation KeyboardViewController (Chat)
+
+#pragma mark - KBChatPanelViewDelegate
+
+- (void)chatPanelView:(KBChatPanelView *)view didSendText:(NSString *)text {
+  NSString *trim =
+      [text stringByTrimmingCharactersInSet:
+                [NSCharacterSet whitespaceAndNewlineCharacterSet]];
+  if (trim.length == 0) {
+    return;
+  }
+  [self kb_sendChatText:trim];
+}
+
+- (void)chatPanelView:(KBChatPanelView *)view
+       didTapMessage:(KBChatMessage *)message {
+  if (message.audioFilePath.length == 0) {
+    return;
+  }
+  [self kb_playChatAudioAtPath:message.audioFilePath];
+}
+
+- (void)chatPanelView:(KBChatPanelView *)view
+    didTapVoiceButtonForMessage:(KBChatMessage *)message {
+  if (!message)
+    return;
+
+  // 如果有 audioData，直接播放
+  if (message.audioData && message.audioData.length > 0) {
+    [self kb_playChatAudioData:message.audioData];
+    return;
+  }
+
+  // 如果有 audioFilePath，播放文件
+  if (message.audioFilePath.length > 0) {
+    [self kb_playChatAudioAtPath:message.audioFilePath];
+    return;
+  }
+
+  NSLog(@"[Keyboard] 没有音频数据可播放");
+}
+
+- (void)chatPanelViewDidTapClose:(KBChatPanelView *)view {
+  // 清空 chatPanelView 内部的消息
+  [view kb_reloadWithMessages:@[]];
+  if (self.chatAudioPlayer.isPlaying) {
+    [self.chatAudioPlayer stop];
+  }
+  self.chatAudioPlayer = nil;
+  [self kb_setPanelMode:KBKeyboardPanelModeMain animated:YES];
+}
+
+#pragma mark - Chat Helpers
+
+- (void)kb_handleChatSendAction {
+  if (!self.chatPanelVisible) {
+    return;
+  }
+  [[KBInputBufferManager shared]
+      refreshFromProxyIfPossible:self.textDocumentProxy];
+  NSString *fullText = [KBInputBufferManager shared].liveText ?: @"";
+
+  // 去掉打开聊天面板前宿主输入框里已有的基线文本，只取新增部分
+  NSString *baseline = self.chatPanelBaselineText ?: @"";
+  NSString *rawText = fullText;
+  if (baseline.length > 0 && [fullText hasPrefix:baseline]) {
+    rawText = [fullText substringFromIndex:baseline.length];
+  }
+
+  NSString *trim =
+      [rawText stringByTrimmingCharactersInSet:
+                  [NSCharacterSet whitespaceAndNewlineCharacterSet]];
+  if (trim.length == 0) {
+    [KBHUD showInfo:KBLocalized(@"请输入内容")];
+    return;
+  }
+  [self kb_sendChatText:trim];
+  // 只清除新增的文本，保留基线文本
+  [self kb_clearHostInputForText:rawText];
+}
+
+- (void)kb_sendChatText:(NSString *)text {
+  if (text.length == 0) {
+    return;
+  }
+  NSLog(@"[KB] 发送消息: %@", text);
+
+  KBChatMessage *outgoing = [KBChatMessage userMessageWithText:text];
+  outgoing.avatarURL = [self kb_sharedUserAvatarURL];
+  [self.chatPanelView kb_addUserMessage:text];
+  [self kb_prefetchAvatarForMessage:outgoing];
+
+  if (![[KBFullAccessManager shared] ensureFullAccessOrGuideInView:self.view]) {
+    [KBHUD showInfo:KBLocalized(@"请开启完全访问后使用")];
+    return;
+  }
+
+  // 添加 loading 消息
+  [self.chatPanelView kb_addLoadingAssistantMessage];
+
+  // 调用新的聊天接口
+  [self kb_requestChatMessageWithContent:text];
+}
+
+#pragma mark - Chat Limit Pop
+
+- (void)kb_showChatLimitPopWithMessage:(NSString *)message {
+  [self kb_dismissChatLimitPop];
+
+  UIControl *mask = [[UIControl alloc] init];
+  mask.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.4];
+  mask.alpha = 0.0;
+  [mask addTarget:self
+                action:@selector(kb_dismissChatLimitPop)
+      forControlEvents:UIControlEventTouchUpInside];
+  [self.contentView addSubview:mask];
+  [mask mas_makeConstraints:^(MASConstraintMaker *make) {
+    make.edges.equalTo(self.contentView);
+  }];
+
+  CGFloat width = 252.0;
+  CGFloat height = 252.0 + 18.0 + 53.0 + 18.0 + 28.0;
+  KBChatLimitPopView *content =
+      [[KBChatLimitPopView alloc] initWithFrame:CGRectMake(0, 0, width, height)];
+  content.message = message ?: @"";
+  content.delegate = self;
+  [mask addSubview:content];
+  [content mas_makeConstraints:^(MASConstraintMaker *make) {
+    make.center.equalTo(mask);
+    make.width.mas_equalTo(width);
+    make.height.mas_equalTo(height);
+  }];
+
+  self.chatLimitMaskView = mask;
+  [self.contentView bringSubviewToFront:mask];
+  [UIView animateWithDuration:0.18
+                   animations:^{
+                     mask.alpha = 1.0;
+                   }];
+}
+
+- (void)kb_dismissChatLimitPop {
+  if (!self.chatLimitMaskView) {
+    return;
+  }
+  UIControl *mask = self.chatLimitMaskView;
+  self.chatLimitMaskView = nil;
+  [UIView animateWithDuration:0.15
+                   animations:^{
+                     mask.alpha = 0.0;
+                   }
+                   completion:^(__unused BOOL finished) {
+                     [mask removeFromSuperview];
+                   }];
+}
+
+- (void)kb_clearHostInputForText:(NSString *)text {
+  if (text.length == 0) {
+    return;
+  }
+  NSUInteger count = [self kb_composedCharacterCountForString:text];
+  for (NSUInteger i = 0; i < count; i++) {
+    [self.textDocumentProxy deleteBackward];
+  }
+  [[KBInputBufferManager shared] clearAllLiveText];
+  [self kb_clearCurrentWord];
+}
+
+- (NSUInteger)kb_composedCharacterCountForString:(NSString *)text {
+  if (text.length == 0) {
+    return 0;
+  }
+  __block NSUInteger count = 0;
+  [text enumerateSubstringsInRange:NSMakeRange(0, text.length)
+                           options:NSStringEnumerationByComposedCharacterSequences
+                        usingBlock:^(__unused NSString *substring,
+                                     __unused NSRange substringRange,
+                                     __unused NSRange enclosingRange,
+                                     __unused BOOL *stop) {
+                          count += 1;
+                        }];
+  return count;
+}
+
+- (NSString *)kb_sharedUserAvatarURL {
+  NSUserDefaults *ud = [[NSUserDefaults alloc] initWithSuiteName:AppGroup];
+  NSString *url = [ud stringForKey:AppGroup_UserAvatarURL];
+  return url ?: @"";
+}
+
+- (void)kb_prefetchAvatarForMessage:(KBChatMessage *)message {
+  if (!message || message.avatarImage) {
+    return;
+  }
+  NSString *urlString = message.avatarURL ?: @"";
+  if (urlString.length == 0) {
+    return;
+  }
+  if (![[KBFullAccessManager shared] hasFullAccess]) {
+    return;
+  }
+  __weak typeof(self) weakSelf = self;
+  [[KBVM shared] downloadAvatarFromURL:urlString
+                             completion:^(UIImage *image, NSError *error) {
+                               __strong typeof(weakSelf) self = weakSelf;
+                               if (!self || !image)
+                                 return;
+
+                               message.avatarImage = image;
+                               [self kb_reloadChatRowForMessage:message];
+                             }];
+}
+
+- (void)kb_reloadChatRowForMessage:(KBChatMessage *)message {
+  // 头像预加载完成后不需要刷新表格
+  // 因为键盘扩展的聊天面板不显示头像，所以这里直接返回
+  // 如果将来需要显示头像，可以只刷新特定行而不是整个表格
+}
+
+- (void)kb_requestChatAudioForText:(NSString *)text {
+  NSString *mockPath = [self kb_mockChatAudioPath];
+  if (mockPath.length > 0) {
+    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.35 * NSEC_PER_SEC)),
+                   dispatch_get_main_queue(), ^{
+                     NSString *displayText = KBLocalized(@"语音回复");
+                     KBChatMessage *incoming =
+                         [KBChatMessage messageWithText:displayText
+                                                outgoing:NO
+                                           audioFilePath:mockPath];
+                     incoming.displayName = KBLocalized(@"AI助手");
+                     [self kb_appendChatMessage:incoming];
+                     [self kb_playChatAudioAtPath:mockPath];
+                   });
+    return;
+  }
+  NSDictionary *payload = @{@"message" : text ?: @""};
+  __weak typeof(self) weakSelf = self;
+  [[KBNetworkManager shared] POST:API_AI_TALK
+                         jsonBody:payload
+                          headers:nil
+                       completion:^(NSDictionary *json, NSURLResponse *response,
+                                    NSError *error) {
+                         dispatch_async(dispatch_get_main_queue(), ^{
+                           __strong typeof(weakSelf) self = weakSelf;
+                           if (!self) {
+                             return;
+                           }
+                           if (error) {
+                             NSString *tip = error.localizedDescription
+                                                 ?: KBLocalized(@"请求失败");
+                             [KBHUD showInfo:tip];
+                             return;
+                           }
+                           NSString *displayText =
+                               [self kb_chatTextFromJSON:json];
+                           NSString *audioURL =
+                               [self kb_chatAudioURLFromJSON:json];
+                           NSString *audioBase64 =
+                               [self kb_chatAudioBase64FromJSON:json];
+                           if (audioURL.length > 0) {
+                             [self kb_downloadChatAudioFromURL:audioURL
+                                                   displayText:displayText];
+                             return;
+                           }
+                           if (audioBase64.length > 0) {
+                             NSData *data = [[NSData alloc]
+                                 initWithBase64EncodedString:audioBase64
+                                                      options:0];
+                             if (data.length == 0) {
+                               [KBHUD showInfo:KBLocalized(@"音频数据解析失败")];
+                               return;
+                             }
+                             [self kb_handleChatAudioData:data
+                                              fileExtension:@"m4a"
+                                                 displayText:displayText];
+                             return;
+                           }
+                           [KBHUD showInfo:KBLocalized(@"未获取到音频文件")];
+                         });
+                       }];
+}
+
+#pragma mark - New Chat API (with typewriter effect and audio preload)
+
+/// 调用新的聊天接口（返回文本和 audioId）
+- (void)kb_requestChatMessageWithContent:(NSString *)content {
+  if (content.length == 0) {
+    [self.chatPanelView kb_removeLoadingAssistantMessage];
+    return;
+  }
+
+  NSInteger companionId = [[KBVM shared] selectedCompanionIdFromAppGroup];
+  NSLog(@"[KB] 请求聊天: companionId=%ld", (long)companionId);
+
+  __weak typeof(self) weakSelf = self;
+  [[KBVM shared] sendChatMessageWithContent:content
+                                companionId:companionId
+                                 completion:^(KBChatResponse *response) {
+                                   __strong typeof(weakSelf) self = weakSelf;
+                                   if (!self)
+                                     return;
+
+                                   if (response.code != 0) {
+                                     if (response.code == 50030) {
+                                       NSLog(@"[KB] ⚠️ 次数用尽: %@",
+                                             response.message);
+                                       [self.chatPanelView
+                                           kb_removeLoadingAssistantMessage];
+                                       [self kb_showChatLimitPopWithMessage:
+                                                 response.message];
+                                       return;
+                                     }
+                                     NSLog(@"[KB] ❌ 请求失败: %@",
+                                           response.message);
+                                     [self.chatPanelView
+                                         kb_removeLoadingAssistantMessage];
+                                     [KBHUD showInfo:response.message
+                                                        ?: KBLocalized(@"请求失败")];
+                                     return;
+                                   }
+
+                                   NSLog(@"[KB] ✅ 收到回复: %@",
+                                         response.data.aiResponse);
+
+                                   if (response.data.aiResponse.length == 0) {
+                                     [self.chatPanelView
+                                         kb_removeLoadingAssistantMessage];
+                                     [KBHUD showInfo:KBLocalized(@"未获取到回复内容")];
+                                     return;
+                                   }
+
+                                   // 添加 AI 消息（带打字机效果）
+                                   NSLog(@"[KB] 准备添加 AI 消息");
+                                   [self.chatPanelView
+                                       kb_addAssistantMessage:response.data.aiResponse
+                                                     audioId:response.data.audioId];
+                                   NSLog(@"[KB] AI 消息添加完成");
+
+                                   // 如果有 audioId，开始预加载音频
+                                   if (response.data.audioId.length > 0) {
+                                     [self kb_preloadAudioWithAudioId:
+                                               response.data.audioId];
+                                   }
+                                 }];
+}
+
+/// 从 AppGroup 获取选中的 persona companionId
+- (NSInteger)kb_selectedCompanionId {
+  return [[KBVM shared] selectedCompanionIdFromAppGroup];
+}
+
+#pragma mark - Audio Preload
+
+/// 预加载音频（轮询获取 audioURL）
+- (void)kb_preloadAudioWithAudioId:(NSString *)audioId {
+  if (audioId.length == 0)
+    return;
+
+  NSLog(@"[Keyboard] 开始预加载音频，audioId: %@", audioId);
+
+  __weak typeof(self) weakSelf = self;
+  [[KBVM shared] pollAudioURLWithAudioId:audioId
+                              maxRetries:10
+                                interval:1.0
+                              completion:^(KBAudioResponse *response) {
+                                __strong typeof(weakSelf) self = weakSelf;
+                                if (!self)
+                                  return;
+
+                                if (!response.success ||
+                                    response.audioURL.length == 0) {
+                                  NSLog(@"[Keyboard] ❌ 预加载音频 URL 获取失败: %@",
+                                        response.errorMessage);
+                                  return;
+                                }
+
+                                NSLog(@"[Keyboard] ✅ 预加载音频 URL 获取成功");
+
+                                // 下载音频
+                                [[KBVM shared]
+                                    downloadAudioFromURL:response.audioURL
+                                             completion:^(
+                                                 KBAudioResponse *audioResponse) {
+                                               if (!audioResponse.success) {
+                                                 NSLog(@"[Keyboard] ❌ 预加载音频下载失败: %@",
+                                                       audioResponse.errorMessage);
+                                                 return;
+                                               }
+
+                                               // 更新最后一条 AI 消息的音频数据
+                                               [self.chatPanelView
+                                                   kb_updateLastAssistantMessageWithAudioData:
+                                                       audioResponse.audioData
+                                                                                 duration:
+                                                                                     audioResponse.duration];
+                                               NSLog(@"[Keyboard] ✅ 预加载音频完成，音频时长: %.2f秒",
+                                                     audioResponse.duration);
+                                             }];
+                              }];
+}
+
+- (void)kb_downloadChatAudioFromURL:(NSString *)audioURL
+                        displayText:(NSString *)displayText {
+  __weak typeof(self) weakSelf = self;
+  [[KBVM shared] downloadAudioFromURL:audioURL
+                           completion:^(KBAudioResponse *response) {
+                             __strong typeof(weakSelf) self = weakSelf;
+                             if (!self)
+                               return;
+
+                             if (!response.success) {
+                               [KBHUD showInfo:response.errorMessage
+                                                   ?: KBLocalized(@"下载失败")];
+                               return;
+                             }
+
+                             if (!response.audioData ||
+                                 response.audioData.length == 0) {
+                               [KBHUD showInfo:KBLocalized(@"未获取到音频数据")];
+                               return;
+                             }
+
+                             NSString *ext = @"m4a";
+                             NSURL *url = [NSURL URLWithString:audioURL];
+                             if (url.pathExtension.length > 0) {
+                               ext = url.pathExtension;
+                             }
+                             [self kb_handleChatAudioData:response.audioData
+                                            fileExtension:ext
+                                               displayText:displayText];
+                           }];
+}
+
+- (void)kb_handleChatAudioData:(NSData *)data
+                 fileExtension:(NSString *)extension
+                    displayText:(NSString *)displayText {
+  if (data.length == 0) {
+    [KBHUD showInfo:KBLocalized(@"音频数据为空")];
+    return;
+  }
+  NSString *ext = extension.length > 0 ? extension : @"m4a";
+  NSString *fileName = [NSString
+      stringWithFormat:@"kb_chat_%@.%@",
+                       @((long long)([NSDate date].timeIntervalSince1970 *
+                                     1000)),
+                       ext];
+  NSString *filePath =
+      [NSTemporaryDirectory() stringByAppendingPathComponent:fileName];
+  if (![data writeToFile:filePath atomically:YES]) {
+    [KBHUD showInfo:KBLocalized(@"音频保存失败")];
+    return;
+  }
+  NSString *text =
+      displayText.length > 0 ? displayText : KBLocalized(@"语音消息");
+  KBChatMessage *incoming =
+      [KBChatMessage messageWithText:text outgoing:NO audioFilePath:filePath];
+  incoming.displayName = KBLocalized(@"AI助手");
+  [self kb_appendChatMessage:incoming];
+}
+
+- (void)kb_appendChatMessage:(KBChatMessage *)message {
+  if (!message) {
+    return;
+  }
+  [self.chatMessages addObject:message];
+  if (self.chatMessages.count > kKBChatMessageLimit) {
+    NSUInteger overflow = self.chatMessages.count - kKBChatMessageLimit;
+    NSArray<KBChatMessage *> *removed =
+        [self.chatMessages subarrayWithRange:NSMakeRange(0, overflow)];
+    [self.chatMessages removeObjectsInRange:NSMakeRange(0, overflow)];
+    for (KBChatMessage *msg in removed) {
+      if (msg.audioFilePath.length > 0) {
+        NSString *tmpRoot = NSTemporaryDirectory();
+        if (tmpRoot.length > 0 && [msg.audioFilePath hasPrefix:tmpRoot]) {
+          [[NSFileManager defaultManager] removeItemAtPath:msg.audioFilePath
+                                                     error:nil];
+        }
+      }
+    }
+  }
+  [self.chatPanelView kb_reloadWithMessages:self.chatMessages];
+}
+
+- (NSString *)kb_mockChatAudioPath {
+  NSString *path = [[NSBundle mainBundle] pathForResource:@"ai_test"
+                                                   ofType:@"m4a"];
+  return path ?: @"";
+}
+
+- (NSString *)kb_chatTextFromJSON:(NSDictionary *)json {
+  NSDictionary *data = [self kb_chatDataDictionaryFromJSON:json];
+  NSString *text =
+      [self kb_stringValueInDict:data keys:@[ @"text", @"message", @"content" ]];
+  if (text.length == 0) {
+    text = [self kb_stringValueInDict:json
+                                  keys:@[ @"text", @"message", @"content" ]];
+  }
+  return text ?: @"";
+}
+
+- (NSString *)kb_chatAudioURLFromJSON:(NSDictionary *)json {
+  NSDictionary *data = [self kb_chatDataDictionaryFromJSON:json];
+  NSArray<NSString *> *keys =
+      @[ @"audioUrl", @"audioURL", @"audio_url", @"url", @"fileUrl",
+         @"file_url", @"audioFileUrl", @"audio_file_url" ];
+  NSString *url = [self kb_stringValueInDict:data keys:keys];
+  if (url.length == 0) {
+    url = [self kb_stringValueInDict:json keys:keys];
+  }
+  return url ?: @"";
+}
+
+- (NSString *)kb_chatAudioBase64FromJSON:(NSDictionary *)json {
+  NSDictionary *data = [self kb_chatDataDictionaryFromJSON:json];
+  NSArray<NSString *> *keys =
+      @[ @"audioBase64", @"audio_base64", @"audioData", @"audio_data",
+         @"base64" ];
+  NSString *b64 = [self kb_stringValueInDict:data keys:keys];
+  if (b64.length == 0) {
+    b64 = [self kb_stringValueInDict:json keys:keys];
+  }
+  return b64 ?: @"";
+}
+
+- (NSDictionary *)kb_chatDataDictionaryFromJSON:(NSDictionary *)json {
+  if (![json isKindOfClass:[NSDictionary class]]) {
+    return @{};
+  }
+  id dataObj = json[@"data"] ?: json[@"result"] ?: json[@"response"];
+  if ([dataObj isKindOfClass:[NSDictionary class]]) {
+    return (NSDictionary *)dataObj;
+  }
+  return @{};
+}
+
+- (NSString *)kb_stringValueInDict:(NSDictionary *)dict
+                               keys:(NSArray<NSString *> *)keys {
+  if (![dict isKindOfClass:[NSDictionary class]]) {
+    return @"";
+  }
+  for (NSString *key in keys) {
+    id value = dict[key];
+    if ([value isKindOfClass:[NSString class]] &&
+        ((NSString *)value).length > 0) {
+      return (NSString *)value;
+    }
+  }
+  return @"";
+}
+
+- (void)kb_playChatAudioAtPath:(NSString *)path {
+  if (path.length == 0) {
+    return;
+  }
+  NSURL *url = [NSURL fileURLWithPath:path];
+  if (![NSFileManager.defaultManager fileExistsAtPath:path]) {
+    [KBHUD showInfo:KBLocalized(@"音频文件不存在")];
+    return;
+  }
+
+  if (self.chatAudioPlayer && self.chatAudioPlayer.isPlaying) {
+    NSURL *currentURL = self.chatAudioPlayer.url;
+    if ([currentURL isEqual:url]) {
+      [self.chatAudioPlayer stop];
+      self.chatAudioPlayer = nil;
+      return;
+    }
+    [self.chatAudioPlayer stop];
+    self.chatAudioPlayer = nil;
+  }
+
+  NSError *sessionError = nil;
+  AVAudioSession *session = [AVAudioSession sharedInstance];
+  if ([session respondsToSelector:@selector(setCategory:options:error:)]) {
+    [session setCategory:AVAudioSessionCategoryPlayback
+             withOptions:AVAudioSessionCategoryOptionDuckOthers
+                   error:&sessionError];
+  } else {
+    [session setCategory:AVAudioSessionCategoryPlayback error:&sessionError];
+  }
+  [session setActive:YES error:nil];
+
+  NSError *playerError = nil;
+  AVAudioPlayer *player =
+      [[AVAudioPlayer alloc] initWithContentsOfURL:url error:&playerError];
+  if (playerError || !player) {
+    [KBHUD showInfo:KBLocalized(@"音频播放失败")];
+    return;
+  }
+  self.chatAudioPlayer = player;
+  [player prepareToPlay];
+  [player play];
+}
+
+/// 播放音频数据
+- (void)kb_playChatAudioData:(NSData *)audioData {
+  if (!audioData || audioData.length == 0) {
+    NSLog(@"[Keyboard] 音频数据为空");
+    return;
+  }
+
+  // 如果正在播放，先停止
+  if (self.chatAudioPlayer && self.chatAudioPlayer.isPlaying) {
+    [self.chatAudioPlayer stop];
+    self.chatAudioPlayer = nil;
+  }
+
+  // 配置音频会话
+  NSError *sessionError = nil;
+  AVAudioSession *session = [AVAudioSession sharedInstance];
+  if ([session respondsToSelector:@selector(setCategory:options:error:)]) {
+    [session setCategory:AVAudioSessionCategoryPlayback
+             withOptions:AVAudioSessionCategoryOptionDuckOthers
+                   error:&sessionError];
+  } else {
+    [session setCategory:AVAudioSessionCategoryPlayback error:&sessionError];
+  }
+  [session setActive:YES error:nil];
+
+  // 创建播放器
+  NSError *playerError = nil;
+  AVAudioPlayer *player =
+      [[AVAudioPlayer alloc] initWithData:audioData error:&playerError];
+  if (playerError || !player) {
+    NSLog(@"[Keyboard] 音频播放器初始化失败: %@",
+          playerError.localizedDescription);
+    [KBHUD showInfo:KBLocalized(@"音频播放失败")];
+    return;
+  }
+
+  self.chatAudioPlayer = player;
+  player.volume = 1.0;
+  [player prepareToPlay];
+  [player play];
+
+  NSLog(@"[Keyboard] 开始播放音频，时长: %.2f秒", player.duration);
+}
+
+#pragma mark - KBChatLimitPopViewDelegate
+
+- (void)chatLimitPopViewDidTapCancel:(KBChatLimitPopView *)view {
+  [self kb_dismissChatLimitPop];
+}
+
+- (void)chatLimitPopViewDidTapRecharge:(KBChatLimitPopView *)view {
+  [self kb_dismissChatLimitPop];
+  NSString *urlString =
+      [NSString stringWithFormat:@"%@://recharge?src=keyboard&vipType=svip",
+                                 KB_APP_SCHEME];
+  NSURL *scheme = [NSURL URLWithString:urlString];
+  BOOL success = [KBHostAppLauncher openHostAppURL:scheme
+                                     fromResponder:self.view];
+  if (!success) {
+    [KBHUD showInfo:KBLocalized(@"Please open the App to finish purchase")];
+  }
+}
+
+@end

CustomKeyboard/KeyboardViewControllerHelp/KeyboardViewController+Layout.m

@@ -0,0 +1,96 @@
+//
+//  KeyboardViewController+Layout.m
+//  CustomKeyboard
+//
+//  Created by Codex on 2026/02/22.
+//
+
+#import "KeyboardViewController+Private.h"
+
+// 以 375 宽设计稿为基准的键盘总高度
+static const CGFloat kKBKeyboardBaseHeight = 250.0f;
+static const CGFloat kKBChatPanelHeight = 180;
+
+@implementation KeyboardViewController (Layout)
+
+- (CGFloat)kb_portraitWidth {
+  CGSize s = [UIScreen mainScreen].bounds.size;
+  return MIN(s.width, s.height);
+}
+
+- (CGFloat)kb_keyboardHeightForWidth:(CGFloat)width {
+  if (width <= 0) {
+    width = KB_DESIGN_WIDTH;
+  }
+  CGFloat scale = width / KB_DESIGN_WIDTH;
+  CGFloat baseHeight = kKBKeyboardBaseHeight * scale;
+  CGFloat chatHeight = kKBChatPanelHeight * scale;
+  if (self.chatPanelVisible) {
+    return baseHeight + chatHeight;
+  }
+  return baseHeight;
+}
+
+- (CGFloat)kb_keyboardBaseHeightForWidth:(CGFloat)width {
+  if (width <= 0) {
+    width = KB_DESIGN_WIDTH;
+  }
+  CGFloat scale = width / KB_DESIGN_WIDTH;
+  return kKBKeyboardBaseHeight * scale;
+}
+
+- (CGFloat)kb_chatPanelHeightForWidth:(CGFloat)width {
+  if (width <= 0) {
+    width = KB_DESIGN_WIDTH;
+  }
+  CGFloat scale = width / KB_DESIGN_WIDTH;
+  return kKBChatPanelHeight * scale;
+}
+
+- (void)kb_updateKeyboardLayoutIfNeeded {
+  CGFloat portraitWidth = [self kb_portraitWidth];
+  CGFloat keyboardHeight = [self kb_keyboardHeightForWidth:portraitWidth];
+  CGFloat keyboardBaseHeight =
+      [self kb_keyboardBaseHeightForWidth:portraitWidth];
+  CGFloat chatPanelHeight = [self kb_chatPanelHeightForWidth:portraitWidth];
+  CGFloat containerWidth = CGRectGetWidth(self.view.superview.bounds);
+  if (containerWidth <= 0) {
+    containerWidth = CGRectGetWidth(self.view.window.bounds);
+  }
+  if (containerWidth <= 0) {
+    containerWidth = CGRectGetWidth([UIScreen mainScreen].bounds);
+  }
+
+  BOOL widthChanged = (fabs(self.kb_lastPortraitWidth - portraitWidth) >= 0.5);
+  BOOL heightChanged =
+      (fabs(self.kb_lastKeyboardHeight - keyboardHeight) >= 0.5);
+  if (!widthChanged && !heightChanged && containerWidth > 0 &&
+      self.kb_widthConstraint.constant == containerWidth) {
+    return;
+  }
+  self.kb_lastPortraitWidth = portraitWidth;
+  self.kb_lastKeyboardHeight = keyboardHeight;
+
+  if (self.kb_heightConstraint) {
+    self.kb_heightConstraint.constant = keyboardHeight;
+  }
+  if (containerWidth > 0 && self.kb_widthConstraint) {
+    self.kb_widthConstraint.constant = containerWidth;
+  }
+  if (self.contentWidthConstraint) {
+    [self.contentWidthConstraint setOffset:portraitWidth];
+  }
+  if (self.contentHeightConstraint) {
+    [self.contentHeightConstraint setOffset:keyboardHeight];
+  }
+  if (self.keyBoardMainHeightConstraint) {
+    [self.keyBoardMainHeightConstraint setOffset:keyboardBaseHeight];
+  }
+  if (self.chatPanelHeightConstraint) {
+    [self.chatPanelHeightConstraint setOffset:chatPanelHeight];
+  }
+  [self.view layoutIfNeeded];
+}
+
+@end
+

CustomKeyboard/KeyboardViewControllerHelp/KeyboardViewController+Panels.m

@@ -0,0 +1,631 @@
+//
+//  KeyboardViewController+Panels.m
+//  CustomKeyboard
+//
+//  Created by Codex on 2026/02/22.
+//
+
+#import "KeyboardViewController+Private.h"
+
+#import "KBAuthManager.h"
+#import "KBBackspaceUndoManager.h"
+#import "KBChatMessage.h"
+#import "KBChatPanelView.h"
+#import "KBFunctionView.h"
+#import "KBHostAppLauncher.h"
+#import "KBInputBufferManager.h"
+#import "KBKey.h"
+#import "KBKeyBoardMainView.h"
+#import "KBKeyboardSubscriptionView.h"
+#import "KBSettingView.h"
+#import "Masonry.h"
+#import <SDWebImage/SDWebImage.h>
+#import <AVFoundation/AVAudioPlayer.h>
+
+@implementation KeyboardViewController (Panels)
+
+#pragma mark - Panel Mode
+
+- (void)kb_setPanelMode:(KBKeyboardPanelMode)mode animated:(BOOL)animated {
+  if (mode == self.kb_panelMode) {
+    return;
+  }
+
+  KBKeyboardPanelMode fromMode = self.kb_panelMode;
+  self.kb_panelMode = mode;
+
+  // 主键盘视图是基础承载：确保存在（键盘隐藏后会被释放）
+  [self kb_ensureKeyBoardMainViewIfNeeded];
+
+  // 1) 先收起所有面板（再展开目标面板），避免互相调用导致漏关/层级错乱
+  [self kb_setSubscriptionPanelVisible:NO animated:animated];
+  [self kb_setSettingViewVisible:NO animated:animated];
+  [self kb_setChatPanelVisible:NO animated:animated];
+  [self kb_setFunctionPanelVisible:NO];
+
+  // 2) 再展开目标面板
+    switch (mode) {
+        case KBKeyboardPanelModeFunction:
+            if (!KBAuthManager.shared.isLoggedIn) {
+                NSString *schemeStr =
+                [NSString stringWithFormat:@"%@://login?src=keyboard", KB_APP_SCHEME];
+                NSURL *scheme = [NSURL URLWithString:schemeStr];
+                // 从当前视图作为起点，通过响应链找到 UIApplication 再调起主 App
+                BOOL ok = [KBHostAppLauncher openHostAppURL:scheme fromResponder:self.view];
+                return;
+            }
+            [self kb_setFunctionPanelVisible:YES];
+            break;
+        case KBKeyboardPanelModeChat:
+            [self kb_setChatPanelVisible:YES animated:animated];
+            break;
+        case KBKeyboardPanelModeSettings:
+            [self kb_setSettingViewVisible:YES animated:animated];
+            break;
+        case KBKeyboardPanelModeSubscription:
+            [self kb_setSubscriptionPanelVisible:YES animated:animated];
+            break;
+        case KBKeyboardPanelModeMain:
+        default:
+            break;
+    }
+
+  // 3) 事件埋点：保持原逻辑（仅功能面板/主面板会互相曝光）
+  if (mode == KBKeyboardPanelModeFunction) {
+    [[KBMaiPointReporter sharedReporter]
+        reportPageExposureWithEventName:@"enter_keyboard_function_panel"
+                                 pageId:@"keyboard_function_panel"
+                                  extra:nil
+                             completion:nil];
+  } else if (mode == KBKeyboardPanelModeMain &&
+             fromMode == KBKeyboardPanelModeFunction) {
+    [[KBMaiPointReporter sharedReporter]
+        reportPageExposureWithEventName:@"enter_keyboard_main_panel"
+                                 pageId:@"keyboard_main_panel"
+                                  extra:nil
+                             completion:nil];
+  } else if (mode == KBKeyboardPanelModeSettings) {
+    [[KBMaiPointReporter sharedReporter]
+        reportPageExposureWithEventName:@"enter_keyboard_settings"
+                                 pageId:@"keyboard_settings"
+                                  extra:nil
+                             completion:nil];
+  } else if (mode == KBKeyboardPanelModeSubscription) {
+    [[KBMaiPointReporter sharedReporter]
+        reportPageExposureWithEventName:@"enter_keyboard_subscription_panel"
+                               pageId:@"keyboard_subscription_panel"
+                                extra:nil
+                           completion:nil];
+  }
+
+  // 4) 层级：保证当前面板在最上层
+  if (mode == KBKeyboardPanelModeSubscription) {
+    [self.contentView bringSubviewToFront:self.subscriptionView];
+  } else if (mode == KBKeyboardPanelModeSettings) {
+    [self.contentView bringSubviewToFront:self.settingView];
+  } else if (mode == KBKeyboardPanelModeChat) {
+    [self.contentView bringSubviewToFront:self.chatPanelView];
+  } else if (mode == KBKeyboardPanelModeFunction) {
+    [self.contentView bringSubviewToFront:self.functionView];
+  } else {
+    [self.contentView bringSubviewToFront:self.keyBoardMainView];
+  }
+}
+
+/// 对外兼容：切换显示功能面板/键盘主视图
+- (void)showFunctionPanel:(BOOL)show {
+  if (show) {
+    [self kb_setPanelMode:KBKeyboardPanelModeFunction animated:NO];
+    return;
+  }
+  if (self.kb_panelMode == KBKeyboardPanelModeFunction) {
+    [self kb_setPanelMode:KBKeyboardPanelModeMain animated:NO];
+  }
+}
+
+/// 对外兼容：显示/隐藏设置页（高度与 keyBoardMainView 一致），右侧滑入/滑出
+- (void)showSettingView:(BOOL)show {
+  if (show) {
+    [self kb_setPanelMode:KBKeyboardPanelModeSettings animated:YES];
+    return;
+  }
+  if (self.kb_panelMode == KBKeyboardPanelModeSettings) {
+    [self kb_setPanelMode:KBKeyboardPanelModeMain animated:YES];
+  }
+}
+
+/// 对外兼容：显示/隐藏聊天面板（覆盖整个键盘区域）
+- (void)showChatPanel:(BOOL)show {
+  if (show) {
+    [self kb_setPanelMode:KBKeyboardPanelModeChat animated:YES];
+    return;
+  }
+  if (self.kb_panelMode == KBKeyboardPanelModeChat) {
+    [self kb_setPanelMode:KBKeyboardPanelModeMain animated:YES];
+  }
+}
+
+- (void)kb_setFunctionPanelVisible:(BOOL)visible {
+  if (visible) {
+    [self kb_ensureFunctionViewIfNeeded];
+  }
+  if (_functionView) {
+    _functionView.hidden = !visible;
+  } else if (visible) {
+    // ensure 后按理已存在；这里兜底一次，避免异常情况下状态不一致
+    self.functionView.hidden = NO;
+  }
+  self.keyBoardMainView.hidden = visible;
+}
+
+- (void)kb_setChatPanelVisible:(BOOL)visible animated:(BOOL)animated {
+  if (visible == self.chatPanelVisible) {
+    return;
+  }
+  self.chatPanelVisible = visible;
+
+  if (visible) {
+    // 记录打开聊天面板时宿主输入框已有的文本，发送时只取新增部分
+    [[KBInputBufferManager shared]
+        refreshFromProxyIfPossible:self.textDocumentProxy];
+    self.chatPanelBaselineText = [KBInputBufferManager shared].liveText ?: @"";
+    [self kb_ensureChatPanelViewIfNeeded];
+    self.chatPanelView.hidden = NO;
+    self.chatPanelView.alpha = 0.0;
+    if (animated) {
+      [UIView animateWithDuration:0.2
+                            delay:0
+                          options:UIViewAnimationOptionCurveEaseOut
+                       animations:^{
+                         self.chatPanelView.alpha = 1.0;
+                       }
+                       completion:nil];
+    } else {
+      self.chatPanelView.alpha = 1.0;
+    }
+  } else {
+    // 从未创建过聊天面板时，直接返回，避免 show/hide 触发额外内存分配
+    if (!_chatPanelView) {
+      [self kb_updateKeyboardLayoutIfNeeded];
+      return;
+    }
+    if (animated) {
+      [UIView animateWithDuration:0.18
+          delay:0
+          options:UIViewAnimationOptionCurveEaseIn
+          animations:^{
+            self.chatPanelView.alpha = 0.0;
+          }
+          completion:^(BOOL finished) {
+            self.chatPanelView.hidden = YES;
+          }];
+    } else {
+      self.chatPanelView.alpha = 0.0;
+      self.chatPanelView.hidden = YES;
+    }
+  }
+  [self kb_updateKeyboardLayoutIfNeeded];
+}
+
+- (void)kb_setSettingViewVisible:(BOOL)visible animated:(BOOL)animated {
+  if (visible) {
+    KBSettingView *settingView = self.settingView;
+    if (!settingView.superview) {
+      settingView.hidden = YES;
+      [self.contentView addSubview:settingView];
+      [settingView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.edges.equalTo(self.contentView);
+      }];
+      [settingView.backButton addTarget:self
+                                 action:@selector(onTapSettingsBack)
+                       forControlEvents:UIControlEventTouchUpInside];
+    }
+    [self.contentView bringSubviewToFront:settingView];
+    // 以 keyBoardMainView 的实际宽度为准，避免首次添加时 self.view 宽度尚未计算
+    [self.contentView layoutIfNeeded];
+    CGFloat w = CGRectGetWidth(self.keyBoardMainView.bounds);
+    if (w <= 0) {
+      w = CGRectGetWidth(self.contentView.bounds);
+    }
+    if (w <= 0) {
+      w = [self kb_portraitWidth];
+    }
+    settingView.transform = CGAffineTransformMakeTranslation(w, 0);
+    settingView.hidden = NO;
+    if (animated) {
+      [UIView animateWithDuration:0.25
+                            delay:0
+                          options:UIViewAnimationOptionCurveEaseOut
+                       animations:^{
+                         settingView.transform = CGAffineTransformIdentity;
+                       }
+                       completion:nil];
+    } else {
+      settingView.transform = CGAffineTransformIdentity;
+    }
+  } else {
+    KBSettingView *settingView = _settingView;
+    if (!settingView) {
+      return;
+    }
+    if (!settingView.superview || settingView.hidden) {
+      return;
+    }
+    CGFloat w = CGRectGetWidth(self.keyBoardMainView.bounds);
+    if (w <= 0) {
+      w = CGRectGetWidth(self.contentView.bounds);
+    }
+    if (w <= 0) {
+      w = [self kb_portraitWidth];
+    }
+    if (animated) {
+      [UIView animateWithDuration:0.22
+          delay:0
+          options:UIViewAnimationOptionCurveEaseIn
+          animations:^{
+            settingView.transform = CGAffineTransformMakeTranslation(w, 0);
+          }
+          completion:^(BOOL finished) {
+            settingView.hidden = YES;
+          }];
+    } else {
+      settingView.transform = CGAffineTransformMakeTranslation(w, 0);
+      settingView.hidden = YES;
+    }
+  }
+}
+
+- (void)kb_setSubscriptionPanelVisible:(BOOL)visible animated:(BOOL)animated {
+  if (visible) {
+    KBKeyboardSubscriptionView *panel = self.subscriptionView;
+    if (!panel.superview) {
+      panel.hidden = YES;
+      [self.contentView addSubview:panel];
+      [panel mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.edges.equalTo(self.contentView);
+      }];
+    }
+    [self.contentView bringSubviewToFront:panel];
+    panel.hidden = NO;
+    panel.alpha = 0.0;
+    CGFloat height = CGRectGetHeight(self.contentView.bounds);
+    if (height <= 0) {
+      height = 260;
+    }
+    panel.transform = CGAffineTransformMakeTranslation(0, height);
+    [panel refreshProductsIfNeeded];
+    if (animated) {
+      [UIView animateWithDuration:0.25
+                            delay:0
+                          options:UIViewAnimationOptionCurveEaseOut
+                       animations:^{
+                         panel.alpha = 1.0;
+                         panel.transform = CGAffineTransformIdentity;
+                       }
+                       completion:nil];
+    } else {
+      panel.alpha = 1.0;
+      panel.transform = CGAffineTransformIdentity;
+    }
+    return;
+  }
+
+  KBKeyboardSubscriptionView *panel = _subscriptionView;
+  if (!panel) {
+    return;
+  }
+  if (!panel.superview || panel.hidden) {
+    return;
+  }
+  CGFloat height = CGRectGetHeight(panel.bounds);
+  if (height <= 0) {
+    height = CGRectGetHeight(self.contentView.bounds);
+  }
+  if (animated) {
+    [UIView animateWithDuration:0.22
+        delay:0
+        options:UIViewAnimationOptionCurveEaseIn
+        animations:^{
+          panel.alpha = 0.0;
+          panel.transform = CGAffineTransformMakeTranslation(0, height);
+        }
+        completion:^(BOOL finished) {
+          panel.hidden = YES;
+          panel.alpha = 1.0;
+          panel.transform = CGAffineTransformIdentity;
+        }];
+  } else {
+    panel.hidden = YES;
+    panel.alpha = 1.0;
+    panel.transform = CGAffineTransformIdentity;
+  }
+}
+
+// 延迟创建：仅在用户真正打开功能面板时才创建/布局，降低默认内存占用。
+- (void)kb_ensureFunctionViewIfNeeded {
+  if (_functionView && _functionView.superview) {
+    return;
+  }
+  KBFunctionView *v = self.functionView;
+  if (!v.superview) {
+    v.hidden = YES;
+    [self.contentView addSubview:v];
+    [v mas_makeConstraints:^(MASConstraintMaker *make) {
+      make.edges.equalTo(self.contentView);
+    }];
+  }
+}
+
+// 延迟创建：仅在用户打开聊天面板时才创建/布局。
+- (void)kb_ensureChatPanelViewIfNeeded {
+  if (_chatPanelView && _chatPanelView.superview) {
+    return;
+  }
+  CGFloat portraitWidth = [self kb_portraitWidth];
+  CGFloat chatPanelHeight = [self kb_chatPanelHeightForWidth:portraitWidth];
+  KBChatPanelView *v = self.chatPanelView;
+  if (!v.superview) {
+    [self.contentView addSubview:v];
+    [v mas_makeConstraints:^(MASConstraintMaker *make) {
+      make.left.right.equalTo(self.contentView);
+      make.bottom.equalTo(self.keyBoardMainView.mas_top);
+      self.chatPanelHeightConstraint =
+          make.height.mas_equalTo(chatPanelHeight);
+    }];
+    v.hidden = YES;
+  }
+}
+
+// 延迟创建：键盘主面板（按键区）在隐藏时会被释放；再次显示时需要重建。
+- (void)kb_ensureKeyBoardMainViewIfNeeded {
+  if (_keyBoardMainView && _keyBoardMainView.superview) {
+    return;
+  }
+  CGFloat portraitWidth = [self kb_portraitWidth];
+  CGFloat keyboardBaseHeight =
+      [self kb_keyboardBaseHeightForWidth:portraitWidth];
+  KBKeyBoardMainView *v = self.keyBoardMainView;
+  if (!v.superview) {
+    [self.contentView addSubview:v];
+    [v mas_makeConstraints:^(MASConstraintMaker *make) {
+      make.left.right.equalTo(self.contentView);
+      make.bottom.equalTo(self.contentView);
+      self.keyBoardMainHeightConstraint =
+          make.height.mas_equalTo(keyboardBaseHeight);
+    }];
+  }
+  [self.contentView bringSubviewToFront:v];
+}
+
+// 键盘隐藏时释放可重建资源（背景图/缓存/非必需面板），降低扩展内存峰值。
+- (void)kb_releaseMemoryWhenKeyboardHidden {
+  [KBHUD setContainerView:nil];
+  self.bgImageView.image = nil;
+  self.kb_cachedGradientImage = nil;
+  [self.kb_defaultGradientLayer removeFromSuperlayer];
+  self.kb_defaultGradientLayer = nil;
+  [[SDImageCache sharedImageCache] clearMemory];
+
+  // 聊天相关可能持有音频数据/临时文件，键盘隐藏时直接清空，避免累计占用。
+  if (self.chatAudioPlayer) {
+    [self.chatAudioPlayer stop];
+    self.chatAudioPlayer = nil;
+  }
+  if (_chatMessages.count > 0) {
+    NSString *tmpRoot = NSTemporaryDirectory();
+    for (KBChatMessage *msg in _chatMessages.copy) {
+      if (tmpRoot.length > 0 && msg.audioFilePath.length > 0 &&
+          [msg.audioFilePath hasPrefix:tmpRoot]) {
+        [[NSFileManager defaultManager] removeItemAtPath:msg.audioFilePath
+                                                   error:nil];
+      }
+    }
+    [_chatMessages removeAllObjects];
+  }
+
+  if (_keyBoardMainView) {
+    [_keyBoardMainView removeFromSuperview];
+    _keyBoardMainView = nil;
+  }
+  self.keyBoardMainHeightConstraint = nil;
+
+  if (_functionView) {
+    [_functionView removeFromSuperview];
+    _functionView = nil;
+  }
+  if (_chatPanelView) {
+    [_chatPanelView removeFromSuperview];
+    _chatPanelView = nil;
+  }
+  self.chatPanelVisible = NO;
+  self.kb_panelMode = KBKeyboardPanelModeMain;
+
+  if (_subscriptionView) {
+    [_subscriptionView removeFromSuperview];
+    _subscriptionView = nil;
+  }
+  if (_settingView) {
+    [_settingView removeFromSuperview];
+    _settingView = nil;
+  }
+}
+
+// MARK: - KBKeyBoardMainViewDelegate
+
+- (void)keyBoardMainView:(KBKeyBoardMainView *)keyBoardMainView
+               didTapKey:(KBKey *)key {
+  switch (key.type) {
+  case KBKeyTypeCharacter: {
+    [[KBBackspaceUndoManager shared] registerNonClearAction];
+    NSString *text = key.output ?: key.title ?: @"";
+    [self.textDocumentProxy insertText:text];
+    [self kb_updateCurrentWordWithInsertedText:text];
+    [[KBInputBufferManager shared] appendText:text];
+  } break;
+  case KBKeyTypeBackspace:
+    [[KBInputBufferManager shared]
+        refreshFromProxyIfPossible:self.textDocumentProxy];
+    [[KBInputBufferManager shared]
+        prepareSnapshotForDeleteWithContextBefore:
+            self.textDocumentProxy.documentContextBeforeInput
+                                            after:
+                                                self.textDocumentProxy
+                                                    .documentContextAfterInput];
+    [[KBBackspaceUndoManager shared]
+        captureAndDeleteBackwardFromProxy:self.textDocumentProxy
+                                    count:1];
+    [self kb_scheduleContextRefreshResetSuppression:NO];
+    [[KBInputBufferManager shared] applyHoldDeleteCount:1];
+    break;
+  case KBKeyTypeSpace:
+    [[KBBackspaceUndoManager shared] registerNonClearAction];
+    [self.textDocumentProxy insertText:@" "];
+    [self kb_clearCurrentWord];
+    [[KBInputBufferManager shared] appendText:@" "];
+    break;
+  case KBKeyTypeReturn:
+    if (self.chatPanelVisible) {
+      [self kb_handleChatSendAction];
+      break;
+    }
+    [[KBBackspaceUndoManager shared] registerNonClearAction];
+    [self.textDocumentProxy insertText:@"\n"];
+    [self kb_clearCurrentWord];
+    [[KBInputBufferManager shared] appendText:@"\n"];
+    break;
+  case KBKeyTypeGlobe:
+    [self advanceToNextInputMode];
+    break;
+  case KBKeyTypeCustom:
+    [[KBBackspaceUndoManager shared] registerNonClearAction];
+    // 点击自定义键切换到功能面板
+    [self kb_setPanelMode:KBKeyboardPanelModeFunction animated:NO];
+    [self kb_clearCurrentWord];
+    break;
+  case KBKeyTypeModeChange:
+  case KBKeyTypeShift:
+    // 这些已在 KBKeyBoardMainView/KBKeyboardView 内部处理
+    break;
+  }
+}
+
+- (void)keyBoardMainView:(KBKeyBoardMainView *)keyBoardMainView
+    didTapToolActionAtIndex:(NSInteger)index {
+  NSDictionary *extra = @{@"index" : @(index)};
+  [[KBMaiPointReporter sharedReporter]
+      reportClickWithEventName:@"click_keyboard_toolbar_action"
+                        pageId:@"keyboard_main_panel"
+                     elementId:@"toolbar_action"
+                         extra:extra
+                    completion:nil];
+  if (index == 0) {
+    [self kb_setPanelMode:KBKeyboardPanelModeFunction animated:YES];
+    [self kb_clearCurrentWord];
+    return;
+  }
+  if (index == 1) {
+    [self kb_setPanelMode:KBKeyboardPanelModeChat animated:YES];
+    return;
+  }
+  [self kb_setPanelMode:KBKeyboardPanelModeMain animated:YES];
+}
+
+- (void)keyBoardMainViewDidTapSettings:(KBKeyBoardMainView *)keyBoardMainView {
+  [[KBMaiPointReporter sharedReporter]
+      reportClickWithEventName:@"click_keyboard_settings_btn"
+                        pageId:@"keyboard_main_panel"
+                     elementId:@"settings_btn"
+                         extra:nil
+                    completion:nil];
+  [self kb_setPanelMode:KBKeyboardPanelModeSettings animated:YES];
+}
+
+- (void)keyBoardMainView:(KBKeyBoardMainView *)keyBoardMainView
+          didSelectEmoji:(NSString *)emoji {
+  if (emoji.length == 0) {
+    return;
+  }
+  [[KBBackspaceUndoManager shared] registerNonClearAction];
+  [self.textDocumentProxy insertText:emoji];
+  [self kb_clearCurrentWord];
+  [[KBInputBufferManager shared] appendText:emoji];
+}
+
+- (void)keyBoardMainViewDidTapUndo:(KBKeyBoardMainView *)keyBoardMainView {
+  [[KBMaiPointReporter sharedReporter]
+      reportClickWithEventName:@"click_keyboard_undo_btn"
+                        pageId:@"keyboard_main_panel"
+                     elementId:@"undo_btn"
+                         extra:nil
+                    completion:nil];
+  [[KBBackspaceUndoManager shared] performUndoFromResponder:self.view];
+  [self kb_scheduleContextRefreshResetSuppression:YES];
+}
+
+- (void)keyBoardMainViewDidTapEmojiSearch:
+    (KBKeyBoardMainView *)keyBoardMainView {
+  //  [[KBMaiPointReporter sharedReporter]
+  //      reportClickWithEventName:@"click_keyboard_emoji_search_btn"
+  //                        pageId:@"keyboard_main_panel"
+  //                     elementId:@"emoji_search_btn"
+  //                         extra:nil
+  //                    completion:nil];
+  [KBHUD showInfo:KBLocalized(@"Search coming soon")];
+}
+
+// MARK: - KBFunctionViewDelegate
+
+- (void)functionView:(KBFunctionView *)functionView
+    didTapToolActionAtIndex:(NSInteger)index {
+  // 需求：当 index == 0 时，切回键盘主视图
+  if (index == 0) {
+    [self kb_setPanelMode:KBKeyboardPanelModeMain animated:NO];
+  }
+}
+
+- (void)functionView:(KBFunctionView *_Nullable)functionView
+    didRightTapToolActionAtIndex:(NSInteger)index {
+  [[KBMaiPointReporter sharedReporter]
+      reportClickWithEventName:@"click_keyboard_function_right_action"
+                        pageId:@"keyboard_function_panel"
+                     elementId:@"right_action"
+                         extra:@{@"action" : @"login_or_recharge"}
+                    completion:nil];
+  if (!KBAuthManager.shared.isLoggedIn) {
+    NSString *schemeStr =
+        [NSString stringWithFormat:@"%@://login?src=keyboard", KB_APP_SCHEME];
+    NSURL *scheme = [NSURL URLWithString:schemeStr];
+    // 从当前视图作为起点，通过响应链找到 UIApplication 再调起主 App
+    BOOL ok = [KBHostAppLauncher openHostAppURL:scheme fromResponder:self.view];
+    return;
+  }
+  NSString *schemeStr =
+      [NSString stringWithFormat:@"%@://recharge?src=keyboard", KB_APP_SCHEME];
+  NSURL *scheme = [NSURL URLWithString:schemeStr];
+  // 从当前视图作为起点，通过响应链找到 UIApplication 再调起主 App
+  BOOL ok = [KBHostAppLauncher openHostAppURL:scheme fromResponder:self.view];
+
+  if (!ok) {
+    // 失败兜底：给个文案提示
+    // 比如：请回到桌面手动打开 XXX App 进行设置/充值
+    [KBHUD showInfo:@"请回到桌面手动打开App进行充值"];
+  }
+}
+
+- (void)functionViewDidRequestSubscription:(KBFunctionView *)functionView {
+  [self showSubscriptionPanel];
+}
+
+#pragma mark - Actions
+
+- (void)onTapSettingsBack {
+  [[KBMaiPointReporter sharedReporter]
+      reportClickWithEventName:@"click_keyboard_settings_back_btn"
+                        pageId:@"keyboard_settings"
+                     elementId:@"back_btn"
+                         extra:nil
+                    completion:nil];
+  [self kb_setPanelMode:KBKeyboardPanelModeMain animated:YES];
+}
+
+@end

CustomKeyboard/KeyboardViewControllerHelp/KeyboardViewController+Private.h

@@ -0,0 +1,154 @@
+//
+//  KeyboardViewController+Private.h
+//  CustomKeyboard
+//
+//  Created by Codex on 2026/02/22.
+//
+
+#import "KeyboardViewController.h"
+#import "Masonry.h"
+
+@class AVAudioPlayer;
+@class CAGradientLayer;
+@class KBChatMessage;
+@class KBChatPanelView;
+@class KBFunctionView;
+@class KBKeyBoardMainView;
+@class KBKeyboardSubscriptionView;
+@class KBSettingView;
+@class KBSuggestionEngine;
+
+@protocol KBChatLimitPopViewDelegate;
+@protocol KBChatPanelViewDelegate;
+@protocol KBFunctionViewDelegate;
+@protocol KBKeyBoardMainViewDelegate;
+@protocol KBKeyboardSubscriptionViewDelegate;
+
+typedef NS_ENUM(NSInteger, KBKeyboardPanelMode) {
+  KBKeyboardPanelModeMain = 0,
+  KBKeyboardPanelModeFunction,
+  KBKeyboardPanelModeChat,
+  KBKeyboardPanelModeSettings,
+  KBKeyboardPanelModeSubscription,
+};
+
+@interface KeyboardViewController () <KBKeyBoardMainViewDelegate,
+                                      KBFunctionViewDelegate,
+                                      KBKeyboardSubscriptionViewDelegate,
+                                      KBChatPanelViewDelegate,
+                                      KBChatLimitPopViewDelegate>
+{
+  UIButton *_nextKeyboardButton;
+  UIView *_contentView;
+  KBKeyBoardMainView *_keyBoardMainView;
+  KBFunctionView *_functionView;
+  KBSettingView *_settingView;
+  UIImageView *_bgImageView;
+  KBChatPanelView *_chatPanelView;
+  KBKeyboardSubscriptionView *_subscriptionView;
+  KBSuggestionEngine *_suggestionEngine;
+  NSString *_currentWord;
+  UIControl *_chatLimitMaskView;
+  MASConstraint *_contentWidthConstraint;
+  MASConstraint *_contentHeightConstraint;
+  MASConstraint *_keyBoardMainHeightConstraint;
+  MASConstraint *_chatPanelHeightConstraint;
+  NSLayoutConstraint *_kb_heightConstraint;
+  NSLayoutConstraint *_kb_widthConstraint;
+  CGFloat _kb_lastPortraitWidth;
+  CGFloat _kb_lastKeyboardHeight;
+  UIImage *_kb_cachedGradientImage;
+  CGSize _kb_cachedGradientSize;
+  CAGradientLayer *_kb_defaultGradientLayer;
+  NSString *_kb_lastAppliedThemeKey;
+  NSMutableArray<KBChatMessage *> *_chatMessages;
+  AVAudioPlayer *_chatAudioPlayer;
+  BOOL _suppressSuggestions;
+  BOOL _chatPanelVisible;
+  NSString *_chatPanelBaselineText;
+  id _kb_fullAccessObserverToken;
+  id _kb_skinObserverToken;
+  KBKeyboardPanelMode _kb_panelMode;
+}
+
+@property(nonatomic, strong)
+    UIButton *nextKeyboardButton; // 系统“下一个键盘”按钮（可选）
+@property(nonatomic, strong) UIView *contentView;
+@property(nonatomic, strong) KBKeyBoardMainView
+    *keyBoardMainView; // 功能面板视图（点击工具栏第0个时显示）
+@property(nonatomic, strong)
+    KBFunctionView *functionView; // 功能面板视图（点击工具栏第0个时显示）
+@property(nonatomic, strong) KBSettingView *settingView; // 设置页
+@property(nonatomic, strong) UIImageView *bgImageView;   // 背景图（在底层）
+@property(nonatomic, strong) KBChatPanelView *chatPanelView;
+@property(nonatomic, strong) KBKeyboardSubscriptionView *subscriptionView;
+@property(nonatomic, strong) KBSuggestionEngine *suggestionEngine;
+@property(nonatomic, copy) NSString *currentWord;
+@property(nonatomic, assign) BOOL suppressSuggestions;
+@property(nonatomic, strong) UIControl *chatLimitMaskView;
+@property(nonatomic, strong) MASConstraint *contentWidthConstraint;
+@property(nonatomic, strong) MASConstraint *contentHeightConstraint;
+@property(nonatomic, strong) MASConstraint *keyBoardMainHeightConstraint;
+@property(nonatomic, strong) MASConstraint *chatPanelHeightConstraint;
+@property(nonatomic, strong) NSLayoutConstraint *kb_heightConstraint;
+@property(nonatomic, strong) NSLayoutConstraint *kb_widthConstraint;
+@property(nonatomic, assign) CGFloat kb_lastPortraitWidth;
+@property(nonatomic, assign) CGFloat kb_lastKeyboardHeight;
+@property(nonatomic, strong) UIImage *kb_cachedGradientImage;
+@property(nonatomic, assign) CGSize kb_cachedGradientSize;
+@property(nonatomic, strong, nullable) CAGradientLayer *kb_defaultGradientLayer;
+@property(nonatomic, copy, nullable) NSString *kb_lastAppliedThemeKey;
+@property(nonatomic, strong) NSMutableArray<KBChatMessage *> *chatMessages;
+@property(nonatomic, strong) AVAudioPlayer *chatAudioPlayer;
+@property(nonatomic, assign) BOOL chatPanelVisible;
+@property(nonatomic, copy) NSString *chatPanelBaselineText; // 打开聊天面板时宿主输入框已有的文本
+@property(nonatomic, strong, nullable) id kb_fullAccessObserverToken;
+@property(nonatomic, strong, nullable) id kb_skinObserverToken;
+@property(nonatomic, assign) KBKeyboardPanelMode kb_panelMode;
+
+@end
+
+@interface KeyboardViewController (KBPrivate)
+
+// UI
+- (void)setupUI;
+- (nullable KBFunctionView *)kb_functionViewIfCreated;
+
+// Panels
+- (void)showFunctionPanel:(BOOL)show;
+- (void)showSettingView:(BOOL)show;
+- (void)showChatPanel:(BOOL)show;
+- (void)showSubscriptionPanel;
+- (void)hideSubscriptionPanel;
+- (void)kb_setPanelMode:(KBKeyboardPanelMode)mode animated:(BOOL)animated;
+- (void)kb_ensureFunctionViewIfNeeded;
+- (void)kb_ensureChatPanelViewIfNeeded;
+- (void)kb_ensureKeyBoardMainViewIfNeeded;
+- (void)kb_releaseMemoryWhenKeyboardHidden;
+
+// Suggestions
+- (void)kb_updateCurrentWordWithInsertedText:(NSString *)text;
+- (void)kb_clearCurrentWord;
+- (void)kb_scheduleContextRefreshResetSuppression:(BOOL)resetSuppression;
+- (void)kb_refreshCurrentWordFromDocumentContextResetSuppression:
+    (BOOL)resetSuppression;
+- (void)kb_updateSuggestionsForCurrentWord;
+
+// Chat
+- (void)kb_handleChatSendAction;
+
+// Theme
+- (void)kb_applyTheme;
+- (void)kb_applyDefaultSkinIfNeeded;
+- (void)kb_consumePendingShopSkin;
+- (void)kb_registerDarwinSkinInstallObserver;
+- (void)kb_unregisterDarwinSkinInstallObserver;
+
+// Layout
+- (CGFloat)kb_portraitWidth;
+- (CGFloat)kb_keyboardHeightForWidth:(CGFloat)width;
+- (CGFloat)kb_keyboardBaseHeightForWidth:(CGFloat)width;
+- (CGFloat)kb_chatPanelHeightForWidth:(CGFloat)width;
+- (void)kb_updateKeyboardLayoutIfNeeded;
+
+@end

CustomKeyboard/KeyboardViewControllerHelp/KeyboardViewController+Subscription.m

@@ -0,0 +1,117 @@
+//
+//  KeyboardViewController+Subscription.m
+//  CustomKeyboard
+//
+//  Created by Codex on 2026/02/22.
+//
+
+#import "KeyboardViewController+Private.h"
+
+#import "KBAuthManager.h"
+#import "KBFullAccessManager.h"
+#import "KBHostAppLauncher.h"
+#import "KBKeyboardSubscriptionProduct.h"
+#import "KBKeyboardSubscriptionView.h"
+
+@implementation KeyboardViewController (Subscription)
+
+- (void)showSubscriptionPanel {
+  // 1) 先判断权限：未开启“完全访问”则走引导逻辑
+  if (![[KBFullAccessManager shared] hasFullAccess]) {
+    // 未开启完全访问：保持原有引导路径
+    //        [KBHUD showInfo:KBLocalized(@"处理中…")];
+    [[KBFullAccessManager shared] ensureFullAccessOrGuideInView:self.view];
+    return;
+  }
+  // 点击充值要先判断是否登录
+  // 2) 权限没问题，再判断是否登录：未登录 -> 直接拉起主 App，由主 App 负责完成登录
+  if (!KBAuthManager.shared.isLoggedIn) {
+    NSString *schemeStr =
+        [NSString stringWithFormat:@"%@://login?src=keyboard", KB_APP_SCHEME];
+    NSURL *scheme = [NSURL URLWithString:schemeStr];
+    // 从当前视图作为起点，通过响应链找到 UIApplication 再调起主 App
+    BOOL ok = [KBHostAppLauncher openHostAppURL:scheme fromResponder:self.view];
+    return;
+  }
+  [self kb_setPanelMode:KBKeyboardPanelModeSubscription animated:YES];
+}
+
+- (void)hideSubscriptionPanel {
+  if (self.kb_panelMode != KBKeyboardPanelModeSubscription) {
+    return;
+  }
+  [self kb_setPanelMode:KBKeyboardPanelModeMain animated:YES];
+}
+
+#pragma mark - KBKeyboardSubscriptionViewDelegate
+
+- (void)subscriptionViewDidTapClose:(KBKeyboardSubscriptionView *)view {
+  [[KBMaiPointReporter sharedReporter]
+      reportClickWithEventName:@"click_keyboard_subscription_close_btn"
+                        pageId:@"keyboard_subscription_panel"
+                     elementId:@"close_btn"
+                         extra:nil
+                    completion:nil];
+  [self hideSubscriptionPanel];
+}
+
+- (void)subscriptionView:(KBKeyboardSubscriptionView *)view
+    didTapPurchaseForProduct:(KBKeyboardSubscriptionProduct *)product {
+  NSMutableDictionary *extra = [NSMutableDictionary dictionary];
+  if ([product.productId isKindOfClass:NSString.class] &&
+      product.productId.length > 0) {
+    extra[@"product_id"] = product.productId;
+  }
+  [[KBMaiPointReporter sharedReporter]
+      reportClickWithEventName:@"click_keyboard_subscription_product_btn"
+                        pageId:@"keyboard_subscription_panel"
+                     elementId:@"product_btn"
+                         extra:extra.copy
+                    completion:nil];
+  [self hideSubscriptionPanel];
+  [self kb_openRechargeForProduct:product];
+}
+
+#pragma mark - Actions
+
+- (void)kb_openRechargeForProduct:(KBKeyboardSubscriptionProduct *)product {
+  if (![product isKindOfClass:KBKeyboardSubscriptionProduct.class] ||
+      product.productId.length == 0) {
+    [KBHUD showInfo:KBLocalized(@"Product unavailable")];
+    return;
+  }
+  NSString *encodedId = [self.class kb_urlEncodedString:product.productId];
+  NSString *title = [product displayTitle];
+  NSString *encodedTitle = [self.class kb_urlEncodedString:title];
+  NSMutableArray<NSString *> *params =
+      [NSMutableArray arrayWithObjects:@"autoPay=1", @"prefill=1", nil];
+  if (encodedId.length) {
+    [params addObject:[NSString stringWithFormat:@"productId=%@", encodedId]];
+  }
+  if (encodedTitle.length) {
+    [params
+        addObject:[NSString stringWithFormat:@"productTitle=%@", encodedTitle]];
+  }
+  NSString *query = [params componentsJoinedByString:@"&"];
+  NSString *urlString = [NSString
+      stringWithFormat:@"%@://recharge?src=keyboard&%@", KB_APP_SCHEME, query];
+  NSURL *scheme = [NSURL URLWithString:urlString];
+  BOOL success = [KBHostAppLauncher openHostAppURL:scheme fromResponder:self.view];
+  if (!success) {
+    [KBHUD showInfo:KBLocalized(@"Please open the App to finish purchase")];
+  }
+}
+
++ (NSString *)kb_urlEncodedString:(NSString *)value {
+  if (value.length == 0) {
+    return @"";
+  }
+  NSString *reserved = @"!*'();:@&=+$,/?%#[]";
+  NSMutableCharacterSet *allowed =
+      [[NSCharacterSet URLQueryAllowedCharacterSet] mutableCopy];
+  [allowed removeCharactersInString:reserved];
+  return [value stringByAddingPercentEncodingWithAllowedCharacters:allowed]
+             ?: @"";
+}
+
+@end

CustomKeyboard/KeyboardViewControllerHelp/KeyboardViewController+Suggestions.m

@@ -0,0 +1,178 @@
+//
+//  KeyboardViewController+Suggestions.m
+//  CustomKeyboard
+//
+//  Created by Codex on 2026/02/22.
+//
+
+#import "KeyboardViewController+Private.h"
+
+#import "KBBackspaceUndoManager.h"
+#import "KBInputBufferManager.h"
+#import "KBKeyBoardMainView.h"
+#import "KBSuggestionEngine.h"
+
+@implementation KeyboardViewController (Suggestions)
+
+// MARK: - Suggestions
+
+- (void)kb_updateCurrentWordWithInsertedText:(NSString *)text {
+  if (text.length == 0) {
+    return;
+  }
+  if ([self kb_isAlphabeticString:text]) {
+    NSString *current = self.currentWord ?: @"";
+    self.currentWord = [current stringByAppendingString:text];
+    self.suppressSuggestions = NO;
+    [self kb_updateSuggestionsForCurrentWord];
+  } else {
+    [self kb_clearCurrentWord];
+  }
+}
+
+- (void)kb_clearCurrentWord {
+  self.currentWord = @"";
+  [self.keyBoardMainView kb_setSuggestions:@[]];
+  self.suppressSuggestions = NO;
+}
+
+- (void)kb_scheduleContextRefreshResetSuppression:(BOOL)resetSuppression {
+  dispatch_async(dispatch_get_main_queue(), ^{
+    [self kb_refreshCurrentWordFromDocumentContextResetSuppression:
+              resetSuppression];
+  });
+}
+
+- (void)kb_refreshCurrentWordFromDocumentContextResetSuppression:
+    (BOOL)resetSuppression {
+  NSString *context = self.textDocumentProxy.documentContextBeforeInput ?: @"";
+  NSString *word = [self kb_extractTrailingWordFromContext:context];
+  self.currentWord = word ?: @"";
+  if (resetSuppression) {
+    self.suppressSuggestions = NO;
+  }
+  [self kb_updateSuggestionsForCurrentWord];
+}
+
+- (NSString *)kb_extractTrailingWordFromContext:(NSString *)context {
+  if (context.length == 0) {
+    return @"";
+  }
+  static NSCharacterSet *letters = nil;
+  static dispatch_once_t onceToken;
+  dispatch_once(&onceToken, ^{
+    letters = [NSCharacterSet
+        characterSetWithCharactersInString:
+            @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"];
+  });
+
+  NSInteger idx = (NSInteger)context.length - 1;
+  while (idx >= 0) {
+    unichar ch = [context characterAtIndex:(NSUInteger)idx];
+    if (![letters characterIsMember:ch]) {
+      break;
+    }
+    idx -= 1;
+  }
+  NSUInteger start = (NSUInteger)(idx + 1);
+  if (start >= context.length) {
+    return @"";
+  }
+  return [context substringFromIndex:start];
+}
+
+- (BOOL)kb_isAlphabeticString:(NSString *)text {
+  if (text.length == 0) {
+    return NO;
+  }
+  static NSCharacterSet *letters = nil;
+  static dispatch_once_t onceToken;
+  dispatch_once(&onceToken, ^{
+    letters = [NSCharacterSet
+        characterSetWithCharactersInString:
+            @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"];
+  });
+  for (NSUInteger i = 0; i < text.length; i++) {
+    if (![letters characterIsMember:[text characterAtIndex:i]]) {
+      return NO;
+    }
+  }
+  return YES;
+}
+
+- (void)kb_updateSuggestionsForCurrentWord {
+  NSString *prefix = self.currentWord ?: @"";
+  if (prefix.length == 0) {
+    [self.keyBoardMainView kb_setSuggestions:@[]];
+    return;
+  }
+  if (self.suppressSuggestions) {
+    [self.keyBoardMainView kb_setSuggestions:@[]];
+    return;
+  }
+  NSArray<NSString *> *items =
+      [self.suggestionEngine suggestionsForPrefix:prefix limit:5];
+  NSArray<NSString *> *cased = [self kb_applyCaseToSuggestions:items
+                                                        prefix:prefix];
+  [self.keyBoardMainView kb_setSuggestions:cased];
+}
+
+- (NSArray<NSString *> *)kb_applyCaseToSuggestions:(NSArray<NSString *> *)items
+                                            prefix:(NSString *)prefix {
+  if (items.count == 0 || prefix.length == 0) {
+    return items;
+  }
+  BOOL allUpper = [prefix isEqualToString:prefix.uppercaseString];
+  BOOL firstUpper = [[prefix substringToIndex:1]
+      isEqualToString:[[prefix substringToIndex:1] uppercaseString]];
+
+  if (!allUpper && !firstUpper) {
+    return items;
+  }
+
+  NSMutableArray<NSString *> *result =
+      [NSMutableArray arrayWithCapacity:items.count];
+  for (NSString *word in items) {
+    if (allUpper) {
+      [result addObject:word.uppercaseString];
+    } else {
+      NSString *first = [[word substringToIndex:1] uppercaseString];
+      NSString *rest = (word.length > 1) ? [word substringFromIndex:1] : @"";
+      [result addObject:[first stringByAppendingString:rest]];
+    }
+  }
+  return result.copy;
+}
+
+// MARK: - KBKeyBoardMainViewDelegate (Suggestion)
+
+- (void)keyBoardMainView:(KBKeyBoardMainView *)keyBoardMainView
+     didSelectSuggestion:(NSString *)suggestion {
+  if (suggestion.length == 0) {
+    return;
+  }
+  NSDictionary *extra = @{@"suggestion_len" : @(suggestion.length)};
+  //  [[KBMaiPointReporter sharedReporter]
+  //      reportClickWithEventName:@"click_keyboard_suggestion_item"
+  //                        pageId:@"keyboard_main_panel"
+  //                     elementId:@"suggestion_item"
+  //                         extra:extra
+  //                    completion:nil];
+  [[KBBackspaceUndoManager shared] registerNonClearAction];
+  NSString *current = self.currentWord ?: @"";
+  if (current.length > 0) {
+    for (NSUInteger i = 0; i < current.length; i++) {
+      [self.textDocumentProxy deleteBackward];
+    }
+  }
+  [self.textDocumentProxy insertText:suggestion];
+  self.currentWord = suggestion;
+  [self.suggestionEngine recordSelection:suggestion];
+  self.suppressSuggestions = YES;
+  [self.keyBoardMainView kb_setSuggestions:@[]];
+  [[KBInputBufferManager shared] replaceTailWithText:suggestion
+                                         deleteCount:current.length];
+}
+
+@end
+

CustomKeyboard/KeyboardViewControllerHelp/KeyboardViewController+Theme.m

@@ -0,0 +1,376 @@
+//
+//  KeyboardViewController+Theme.m
+//  CustomKeyboard
+//
+//  Created by Codex on 2026/02/22.
+//
+
+#import "KeyboardViewController+Private.h"
+
+#import "KBFunctionView.h"
+#import "KBKeyBoardMainView.h"
+#import "KBSkinInstallBridge.h"
+#import "KBSkinManager.h"
+#import "UIImage+KBColor.h"
+#import <QuartzCore/QuartzCore.h>
+
+static NSString *const kKBDefaultSkinIdLight = @"normal_them";
+static NSString *const kKBDefaultSkinZipNameLight = @"normal_them";
+static NSString *const kKBDefaultSkinIdDark = @"normal_hei_them";
+static NSString *const kKBDefaultSkinZipNameDark = @"normal_hei_them";
+
+// 提前声明一个类别，使编译器在 static 回调中识别 kb_consumePendingShopSkin 方法。
+@interface KeyboardViewController (KBSkinShopBridge)
+- (void)kb_consumePendingShopSkin;
+@end
+
+static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
+                                              void *observer, CFStringRef name,
+                                              const void *object,
+                                              CFDictionaryRef userInfo) {
+  KeyboardViewController *strongSelf =
+      (__bridge KeyboardViewController *)observer;
+  if (!strongSelf) {
+    return;
+  }
+  dispatch_async(dispatch_get_main_queue(), ^{
+    if ([strongSelf respondsToSelector:@selector(kb_consumePendingShopSkin)]) {
+      [strongSelf kb_consumePendingShopSkin];
+    }
+  });
+}
+
+@implementation KeyboardViewController (Theme)
+
+- (void)kb_registerDarwinSkinInstallObserver {
+  CFNotificationCenterAddObserver(
+      CFNotificationCenterGetDarwinNotifyCenter(),
+      (__bridge const void *)(self), KBSkinInstallNotificationCallback,
+      (__bridge CFStringRef)KBDarwinSkinInstallRequestNotification, NULL,
+      CFNotificationSuspensionBehaviorDeliverImmediately);
+}
+
+- (void)kb_unregisterDarwinSkinInstallObserver {
+  CFNotificationCenterRemoveObserver(
+      CFNotificationCenterGetDarwinNotifyCenter(),
+      (__bridge const void *)(self),
+      (__bridge CFStringRef)KBDarwinSkinInstallRequestNotification, NULL);
+}
+
+- (void)kb_applyTheme {
+  @autoreleasepool {
+    KBSkinTheme *t = [KBSkinManager shared].current;
+    UIImage *img = nil;
+    BOOL isDefaultTheme = [self kb_isDefaultKeyboardTheme:t];
+    BOOL isDarkMode = [self kb_isDarkModeActive];
+
+    NSString *skinId = t.skinId ?: @"";
+    NSString *themeKey =
+        [NSString stringWithFormat:@"%@|default=%d|dark=%d", skinId,
+                                   isDefaultTheme, isDarkMode];
+    BOOL themeChanged =
+        (self.kb_lastAppliedThemeKey.length == 0 ||
+         ![self.kb_lastAppliedThemeKey isEqualToString:themeKey]);
+    if (themeChanged) {
+      self.kb_lastAppliedThemeKey = themeKey;
+    }
+
+    CGSize size = self.bgImageView.bounds.size;
+    if (isDefaultTheme) {
+      if (isDarkMode) {
+        // 暗黑模式：直接使用背景色，不使用图片渲染
+        // 这样可以避免图片渲染时的色彩空间转换导致颜色不一致
+        img = nil;
+        self.bgImageView.image = nil;
+        [self.kb_defaultGradientLayer removeFromSuperlayer];
+        self.kb_defaultGradientLayer = nil;
+        // 使用与系统键盘底部完全相同的颜色
+        if (@available(iOS 13.0, *)) {
+          // iOS 系统键盘使用的实际颜色 (RGB: 44, 44, 46 in sRGB, 或 #2C2C2E)
+          // 但为了完美匹配，我们使用动态颜色并直接设置为背景
+          UIColor *kbBgColor =
+              [UIColor colorWithDynamicProvider:^UIColor *_Nonnull(
+                           UITraitCollection *_Nonnull traitCollection) {
+                if (traitCollection.userInterfaceStyle ==
+                    UIUserInterfaceStyleDark) {
+                  // 暗黑模式下系统键盘实际背景色
+                  return [UIColor colorWithRed:43.0 / 255.0
+                                         green:43.0 / 255.0
+                                          blue:43.0 / 255.0
+                                         alpha:1.0];
+                } else {
+                  return [UIColor colorWithRed:209.0 / 255.0
+                                         green:211.0 / 255.0
+                                          blue:219.0 / 255.0
+                                         alpha:1.0];
+                }
+              }];
+          self.contentView.backgroundColor = kbBgColor;
+          self.bgImageView.backgroundColor = kbBgColor;
+        } else {
+          UIColor *darkColor = [UIColor colorWithRed:43.0 / 255.0
+                                               green:43.0 / 255.0
+                                                blue:43.0 / 255.0
+                                               alpha:1.0];
+          self.contentView.backgroundColor = darkColor;
+          self.bgImageView.backgroundColor = darkColor;
+        }
+      } else {
+        // 浅色模式：使用渐变层（避免生成大位图导致内存上涨）
+        if (size.width <= 0 || size.height <= 0) {
+          [self.view layoutIfNeeded];
+          size = self.bgImageView.bounds.size;
+        }
+        if (size.width <= 0 || size.height <= 0) {
+          size = self.view.bounds.size;
+        }
+        if (size.width <= 0 || size.height <= 0) {
+          size = [UIScreen mainScreen].bounds.size;
+        }
+        UIColor *topColor = [UIColor colorWithHex:0xDEDFE4];
+        UIColor *bottomColor = [UIColor colorWithHex:0xD1D3DB];
+        UIColor *resolvedTopColor = topColor;
+        UIColor *resolvedBottomColor = bottomColor;
+        if (@available(iOS 13.0, *)) {
+          resolvedTopColor =
+              [topColor resolvedColorWithTraitCollection:self.traitCollection];
+          resolvedBottomColor =
+              [bottomColor resolvedColorWithTraitCollection:self.traitCollection];
+        }
+        CAGradientLayer *layer = self.kb_defaultGradientLayer;
+        if (!layer) {
+          layer = [CAGradientLayer layer];
+          layer.startPoint = CGPointMake(0.5, 0.0);
+          layer.endPoint = CGPointMake(0.5, 1.0);
+          [self.bgImageView.layer insertSublayer:layer atIndex:0];
+          self.kb_defaultGradientLayer = layer;
+        }
+        layer.colors =
+            @[ (id)resolvedTopColor.CGColor, (id)resolvedBottomColor.CGColor ];
+        layer.frame = (CGRect){CGPointZero, size};
+        img = nil;
+        self.bgImageView.image = nil;
+        self.contentView.backgroundColor = [UIColor clearColor];
+        self.bgImageView.backgroundColor = [UIColor clearColor];
+      }
+      NSLog(@"===");
+    } else {
+      // 自定义皮肤：清除背景色，使用皮肤图片
+      self.contentView.backgroundColor = [UIColor clearColor];
+      self.bgImageView.backgroundColor = [UIColor clearColor];
+      [self.kb_defaultGradientLayer removeFromSuperlayer];
+      self.kb_defaultGradientLayer = nil;
+      img = [[KBSkinManager shared] currentBackgroundImage];
+    }
+    NSLog(@"⌨️[Keyboard] apply theme id=%@ hasBg=%d", t.skinId, (img != nil));
+    [self kb_logSkinDiagnosticsWithTheme:t backgroundImage:img];
+    self.bgImageView.image = img;
+
+	    // 触发键区按主题重绘
+	    if (themeChanged &&
+	        [self.keyBoardMainView respondsToSelector:@selector(kb_applyTheme)]) {
+	      // method declared in KBKeyBoardMainView.h
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
+	      [self.keyBoardMainView performSelector:@selector(kb_applyTheme)];
+#pragma clang diagnostic pop
+	    }
+	    // 注意：这里不能直接访问 self.functionView，否则会导致功能面板提前创建，占用内存。
+	    KBFunctionView *functionView = [self kb_functionViewIfCreated];
+	    if (themeChanged && functionView &&
+	        [functionView respondsToSelector:@selector(kb_applyTheme)]) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
+	      [functionView performSelector:@selector(kb_applyTheme)];
+#pragma clang diagnostic pop
+	    }
+	  }
+	}
+
+- (BOOL)kb_isDefaultKeyboardTheme:(KBSkinTheme *)theme {
+  NSString *skinId = theme.skinId ?: @"";
+  if (skinId.length == 0 || [skinId isEqualToString:@"default"]) {
+    return YES;
+  }
+  if ([skinId isEqualToString:kKBDefaultSkinIdLight]) {
+    return YES;
+  }
+  return [skinId isEqualToString:kKBDefaultSkinIdDark];
+}
+
+- (BOOL)kb_isDarkModeActive {
+  if (@available(iOS 13.0, *)) {
+    return self.traitCollection.userInterfaceStyle == UIUserInterfaceStyleDark;
+  }
+  return NO;
+}
+
+- (NSString *)kb_defaultSkinIdForCurrentStyle {
+  return [self kb_isDarkModeActive] ? kKBDefaultSkinIdDark
+                                    : kKBDefaultSkinIdLight;
+}
+
+- (NSString *)kb_defaultSkinZipNameForCurrentStyle {
+  return [self kb_isDarkModeActive] ? kKBDefaultSkinZipNameDark
+                                    : kKBDefaultSkinZipNameLight;
+}
+
+- (UIImage *)kb_defaultGradientImageWithSize:(CGSize)size
+                                    topColor:(UIColor *)topColor
+                                 bottomColor:(UIColor *)bottomColor {
+  if (size.width <= 0 || size.height <= 0) {
+    return nil;
+  }
+
+  // 尺寸未变则复用缓存，避免反复创建图片撑爆键盘扩展内存
+  if (self.kb_cachedGradientImage &&
+      CGSizeEqualToSize(self.kb_cachedGradientSize, size)) {
+    return self.kb_cachedGradientImage;
+  }
+
+  UIColor *resolvedTopColor = topColor;
+  UIColor *resolvedBottomColor = bottomColor;
+  if (@available(iOS 13.0, *)) {
+    resolvedTopColor =
+        [topColor resolvedColorWithTraitCollection:self.traitCollection];
+    resolvedBottomColor =
+        [bottomColor resolvedColorWithTraitCollection:self.traitCollection];
+  }
+
+  CAGradientLayer *layer = [CAGradientLayer layer];
+  layer.frame = CGRectMake(0, 0, size.width, size.height);
+  layer.startPoint = CGPointMake(0.5, 0.0);
+  layer.endPoint = CGPointMake(0.5, 1.0);
+  layer.colors =
+      @[ (id)resolvedTopColor.CGColor, (id)resolvedBottomColor.CGColor ];
+
+  UIGraphicsBeginImageContextWithOptions(size, YES, 0);
+  [layer renderInContext:UIGraphicsGetCurrentContext()];
+  UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
+  UIGraphicsEndImageContext();
+
+  self.kb_cachedGradientImage = image;
+  self.kb_cachedGradientSize = size;
+  return image;
+}
+
+- (void)kb_logSkinDiagnosticsWithTheme:(KBSkinTheme *)theme
+                       backgroundImage:(UIImage *)image {
+#if DEBUG
+  NSString *skinId = theme.skinId ?: @"";
+  NSString *name = theme.name ?: @"";
+  NSMutableArray<NSString *> *roots = [NSMutableArray array];
+  NSURL *containerURL = [[NSFileManager defaultManager]
+      containerURLForSecurityApplicationGroupIdentifier:AppGroup];
+  if (containerURL.path.length > 0) {
+    [roots addObject:containerURL.path];
+  }
+  NSString *cacheRoot = NSSearchPathForDirectoriesInDomains(
+                            NSCachesDirectory, NSUserDomainMask, YES)
+                            .firstObject;
+  if (cacheRoot.length > 0) {
+    [roots addObject:cacheRoot];
+  }
+
+  NSFileManager *fm = [NSFileManager defaultManager];
+  NSMutableArray<NSString *> *lines = [NSMutableArray array];
+  for (NSString *root in roots) {
+    NSString *iconsDir = [[root stringByAppendingPathComponent:@"Skins"]
+        stringByAppendingPathComponent:skinId];
+    iconsDir = [iconsDir stringByAppendingPathComponent:@"icons"];
+    BOOL isDir = NO;
+    BOOL exists = [fm fileExistsAtPath:iconsDir isDirectory:&isDir] && isDir;
+    NSArray *contents =
+        exists ? [fm contentsOfDirectoryAtPath:iconsDir error:nil] : nil;
+    NSUInteger count = contents.count;
+    BOOL hasQ =
+        exists &&
+        [fm fileExistsAtPath:[iconsDir
+                                 stringByAppendingPathComponent:@"key_q.png"]];
+    BOOL hasQUp =
+        exists && [fm fileExistsAtPath:[iconsDir stringByAppendingPathComponent:
+                                                     @"key_q_up.png"]];
+    BOOL hasDel =
+        exists && [fm fileExistsAtPath:[iconsDir stringByAppendingPathComponent:
+                                                     @"key_del.png"]];
+    BOOL hasShift =
+        exists &&
+        [fm fileExistsAtPath:[iconsDir
+                                 stringByAppendingPathComponent:@"key_up.png"]];
+    BOOL hasShiftUpper =
+        exists && [fm fileExistsAtPath:[iconsDir stringByAppendingPathComponent:
+                                                     @"key_up_upper.png"]];
+    NSString *line = [NSString
+        stringWithFormat:@"root=%@ icons=%@ exist=%d count=%tu key_q=%d "
+                         @"key_q_up=%d key_del=%d key_up=%d key_up_upper=%d",
+                         root, iconsDir, exists, count, hasQ, hasQUp, hasDel,
+                         hasShift, hasShiftUpper];
+    [lines addObject:line];
+  }
+
+  NSLog(@"[Keyboard] theme id=%@ name=%@ hasBg=%d\n%@", skinId, name,
+        (image != nil), [lines componentsJoinedByString:@"\n"]);
+#endif
+}
+
+- (void)kb_consumePendingShopSkin {
+  KBWeakSelf [KBSkinInstallBridge
+      consumePendingRequestFromBundle:NSBundle.mainBundle
+                           completion:^(BOOL success,
+                                        NSError *_Nullable error) {
+                             if (!success) {
+                               if (error) {
+                                 NSLog(@"[Keyboard] skin request failed: %@",
+                                       error);
+                                 [KBHUD
+                                     showInfo:
+                                         KBLocalized(
+                                             @"皮肤资源准备失败，请稍后再试")];
+                               }
+                               return;
+                             }
+                             [weakSelf kb_applyTheme];
+                             [KBHUD showInfo:KBLocalized(
+                                                 @"皮肤已更新，立即体验吧")];
+                           }];
+}
+
+- (void)kb_applyDefaultSkinIfNeeded {
+  NSDictionary *pending = [KBSkinInstallBridge pendingRequestPayload];
+  if (pending.count > 0) {
+    return;
+  }
+
+  NSString *currentId = [KBSkinManager shared].current.skinId ?: @"";
+  BOOL isDefault =
+      (currentId.length == 0 || [currentId isEqualToString:@"default"]);
+  BOOL isLightDefault = [currentId isEqualToString:kKBDefaultSkinIdLight];
+  BOOL isDarkDefault = [currentId isEqualToString:kKBDefaultSkinIdDark];
+  if (!isDefault && !isLightDefault && !isDarkDefault) {
+    // 用户已应用自定义皮肤：不随深色模式切换默认皮肤
+    return;
+  }
+  NSString *targetId = [self kb_defaultSkinIdForCurrentStyle];
+  NSString *targetZip = [self kb_defaultSkinZipNameForCurrentStyle];
+  if (currentId.length > 0 && [currentId isEqualToString:targetId]) {
+    return;
+  }
+
+  NSError *applyError = nil;
+  if ([KBSkinInstallBridge applyInstalledSkinWithId:targetId error:&applyError]) {
+    return;
+  }
+
+  [KBSkinInstallBridge publishBundleSkinRequestWithId:targetId
+                                                 name:targetId
+                                              zipName:targetZip
+                                       iconShortNames:nil];
+  [KBSkinInstallBridge
+      consumePendingRequestFromBundle:NSBundle.mainBundle
+                           completion:^(__unused BOOL success,
+                                        __unused NSError *_Nullable error) {
+                             // 已通过通知触发主题刷新，这里无需额外处理
+                           }];
+}
+
+@end

CustomKeyboard/KeyboardViewControllerHelp/KeyboardViewController+UI.m

@@ -0,0 +1,151 @@
+//
+//  KeyboardViewController+UI.m
+//  CustomKeyboard
+//
+//  Created by Codex on 2026/02/22.
+//
+
+#import "KeyboardViewController+Private.h"
+
+#import "KBChatMessage.h"
+#import "KBChatPanelView.h"
+#import "KBFunctionView.h"
+#import "KBKeyBoardMainView.h"
+#import "KBKeyboardSubscriptionView.h"
+#import "KBSettingView.h"
+#import "Masonry.h"
+
+@implementation KeyboardViewController (UI)
+
+- (void)setupUI {
+  self.view.translatesAutoresizingMaskIntoConstraints = NO;
+
+  // 按“短边”宽度等比缩放，横屏保持竖屏布局比例
+  CGFloat portraitWidth = [self kb_portraitWidth];
+  CGFloat keyboardHeight = [self kb_keyboardHeightForWidth:portraitWidth];
+  CGFloat keyboardBaseHeight = [self kb_keyboardBaseHeightForWidth:portraitWidth];
+  CGFloat screenWidth = CGRectGetWidth([UIScreen mainScreen].bounds);
+
+  // FIX: iOS 26 键盘闪烁问题
+  // iOS 26 在键盘滑入动画开始前，会对 self.view 做一次离屏预渲染快照（非实时 view），
+  // 该快照会短暂显示在屏幕中间。如果此时 view 已有完整高度和内容，用户就会看到
+  // 键盘 UI 在屏幕中间闪现一帧，然后键盘才从底部正常滑入。
+  // 解决方案：初始高度设为 0，让系统快照时无内容可渲染；
+  // 在 viewWillAppear: 中恢复正确高度，此时系统已准备好滑入动画。
+  // （iOS 18 及更早版本无此预渲染机制，不受影响）
+  NSLayoutConstraint *h = [self.view.heightAnchor constraintEqualToConstant:0];
+  NSLayoutConstraint *w =
+      [self.view.widthAnchor constraintEqualToConstant:screenWidth];
+  self.kb_heightConstraint = h;
+  self.kb_widthConstraint = w;
+
+  h.priority = UILayoutPriorityRequired;
+  w.priority = UILayoutPriorityRequired;
+  [NSLayoutConstraint activateConstraints:@[ h, w ]];
+  // 关闭 UIInputView 自适应（某些系统版本会尝试放大为全屏高度导致冲突）
+  if ([self.view isKindOfClass:[UIInputView class]]) {
+    UIInputView *iv = (UIInputView *)self.view;
+    if ([iv respondsToSelector:@selector(setAllowsSelfSizing:)]) {
+      iv.allowsSelfSizing = NO;
+    }
+  }
+  // 内容容器：横屏时保持竖屏宽度，居中显示
+  [self.view addSubview:self.contentView];
+  [self.contentView mas_makeConstraints:^(MASConstraintMaker *make) {
+    make.centerX.equalTo(self.view);
+    make.bottom.equalTo(self.view);
+    self.contentWidthConstraint = make.width.mas_equalTo(portraitWidth);
+    self.contentHeightConstraint = make.height.mas_equalTo(keyboardHeight);
+  }];
+
+  // 背景图铺底（仅在内容容器内）
+  [self.contentView addSubview:self.bgImageView];
+  [self.bgImageView mas_makeConstraints:^(MASConstraintMaker *make) {
+    make.edges.equalTo(self.contentView);
+  }];
+
+  [self.contentView addSubview:self.keyBoardMainView];
+  [self.keyBoardMainView mas_makeConstraints:^(MASConstraintMaker *make) {
+    make.left.right.equalTo(self.contentView);
+    make.bottom.equalTo(self.contentView);
+    self.keyBoardMainHeightConstraint =
+        make.height.mas_equalTo(keyboardBaseHeight);
+  }];
+
+  // 初始隐藏，避免布局完成前闪烁
+  self.contentView.hidden = YES;
+}
+
+#pragma mark - Lazy
+
+- (nullable KBFunctionView *)kb_functionViewIfCreated {
+  return _functionView;
+}
+
+- (UIView *)contentView {
+  if (!_contentView) {
+    _contentView = [[UIView alloc] init];
+    _contentView.backgroundColor = [UIColor clearColor];
+  }
+  return _contentView;
+}
+
+- (UIImageView *)bgImageView {
+  if (!_bgImageView) {
+    _bgImageView = [[UIImageView alloc] init];
+    _bgImageView.contentMode = UIViewContentModeScaleAspectFill;
+    _bgImageView.clipsToBounds = YES;
+  }
+  return _bgImageView;
+}
+
+- (KBKeyBoardMainView *)keyBoardMainView {
+  if (!_keyBoardMainView) {
+    _keyBoardMainView = [[KBKeyBoardMainView alloc] init];
+    _keyBoardMainView.delegate = self;
+  }
+  return _keyBoardMainView;
+}
+
+- (KBFunctionView *)functionView {
+  if (!_functionView) {
+    _functionView = [[KBFunctionView alloc] init];
+    _functionView.delegate = self; // 监听功能面板顶部Bar点击
+  }
+  return _functionView;
+}
+
+- (KBSettingView *)settingView {
+  if (!_settingView) {
+    _settingView = [[KBSettingView alloc] init];
+  }
+  return _settingView;
+}
+
+- (KBChatPanelView *)chatPanelView {
+  if (!_chatPanelView) {
+    NSLog(@"[Keyboard] ⚠️ chatPanelView 被创建！");
+    _chatPanelView = [[KBChatPanelView alloc] init];
+    _chatPanelView.delegate = self;
+  }
+  return _chatPanelView;
+}
+
+- (NSMutableArray<KBChatMessage *> *)chatMessages {
+  if (!_chatMessages) {
+    _chatMessages = [NSMutableArray array];
+  }
+  return _chatMessages;
+}
+
+- (KBKeyboardSubscriptionView *)subscriptionView {
+  if (!_subscriptionView) {
+    _subscriptionView = [[KBKeyboardSubscriptionView alloc] init];
+    _subscriptionView.delegate = self;
+    _subscriptionView.hidden = YES;
+    _subscriptionView.alpha = 0.0;
+  }
+  return _subscriptionView;
+}
+
+@end

CustomKeyboard/Manager/KBSuggestionEngine.h

@@ -0,0 +1,23 @@
+//
+//  KBSuggestionEngine.h
+//  CustomKeyboard
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+/// Simple local suggestion engine (prefix match + lightweight ranking).
+@interface KBSuggestionEngine : NSObject
+
++ (instancetype)shared;
+
+/// Returns suggestions for prefix (lowercase expected), limited by count.
+- (NSArray<NSString *> *)suggestionsForPrefix:(NSString *)prefix limit:(NSUInteger)limit;
+
+/// Record a selection to slightly boost ranking next time.
+- (void)recordSelection:(NSString *)word;
+
+@end
+
+NS_ASSUME_NONNULL_END

CustomKeyboard/Manager/KBSuggestionEngine.m

@@ -0,0 +1,167 @@
+//
+//  KBSuggestionEngine.m
+//  CustomKeyboard
+//
+
+#import "KBSuggestionEngine.h"
+#import "KBConfig.h"
+
+@interface KBSuggestionEngine ()
+@property (nonatomic, copy) NSArray<NSString *> *words;
+@property (nonatomic, strong) NSMutableDictionary<NSString *, NSNumber *> *selectionCounts;
+@property (nonatomic, strong) NSSet<NSString *> *priorityWords;
+@end
+
+@implementation KBSuggestionEngine
+
++ (instancetype)shared {
+    static KBSuggestionEngine *engine;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        engine = [[KBSuggestionEngine alloc] init];
+    });
+    return engine;
+}
+
+- (instancetype)init {
+    if (self = [super init]) {
+        _selectionCounts = [NSMutableDictionary dictionary];
+        NSArray<NSString *> *defaults = [self.class kb_defaultWords];
+        _priorityWords = [NSSet setWithArray:defaults];
+        _words = [self kb_loadWords];
+    }
+    return self;
+}
+
+- (NSArray<NSString *> *)suggestionsForPrefix:(NSString *)prefix limit:(NSUInteger)limit {
+    if (prefix.length == 0 || limit == 0) { return @[]; }
+    NSString *lower = prefix.lowercaseString;
+    NSMutableArray<NSString *> *matches = [NSMutableArray array];
+
+    for (NSString *word in self.words) {
+        if ([word hasPrefix:lower]) {
+            [matches addObject:word];
+            if (matches.count >= limit * 3) {
+                // Avoid scanning too many matches for long lists.
+                break;
+            }
+        }
+    }
+
+    if (matches.count == 0) { return @[]; }
+
+    [matches sortUsingComparator:^NSComparisonResult(NSString *a, NSString *b) {
+        NSInteger ca = self.selectionCounts[a].integerValue;
+        NSInteger cb = self.selectionCounts[b].integerValue;
+        if (ca != cb) {
+            return (cb > ca) ? NSOrderedAscending : NSOrderedDescending;
+        }
+        BOOL pa = [self.priorityWords containsObject:a];
+        BOOL pb = [self.priorityWords containsObject:b];
+        if (pa != pb) {
+            return pa ? NSOrderedAscending : NSOrderedDescending;
+        }
+        return [a compare:b];
+    }];
+
+    if (matches.count > limit) {
+        return [matches subarrayWithRange:NSMakeRange(0, limit)];
+    }
+    return matches.copy;
+}
+
+- (void)recordSelection:(NSString *)word {
+    if (word.length == 0) { return; }
+    NSString *key = word.lowercaseString;
+    NSInteger count = self.selectionCounts[key].integerValue + 1;
+    self.selectionCounts[key] = @(count);
+}
+
+#pragma mark - Defaults
+
+- (NSArray<NSString *> *)kb_loadWords {
+    NSMutableOrderedSet<NSString *> *set = [[NSMutableOrderedSet alloc] init];
+    [set addObjectsFromArray:[self.class kb_defaultWords]];
+
+    NSArray<NSString *> *paths = [self kb_wordListPaths];
+    for (NSString *path in paths) {
+        if (path.length == 0) { continue; }
+        NSString *content = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
+        if (content.length == 0) { continue; }
+        NSArray<NSString *> *lines = [content componentsSeparatedByCharactersInSet:[NSCharacterSet newlineCharacterSet]];
+        for (NSString *line in lines) {
+            NSString *word = [self kb_sanitizedWordFromLine:line];
+            if (word.length == 0) { continue; }
+            [set addObject:word];
+        }
+    }
+
+    NSArray<NSString *> *result = set.array ?: @[];
+    return result;
+}
+
+- (NSArray<NSString *> *)kb_wordListPaths {
+    NSMutableArray<NSString *> *paths = [NSMutableArray array];
+    // 1) App Group override (allows server-downloaded large list).
+    NSURL *containerURL = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:AppGroup];
+    if (containerURL.path.length > 0) {
+        NSString *groupPath = [[containerURL path] stringByAppendingPathComponent:@"kb_words.txt"];
+        [paths addObject:groupPath];
+    }
+    // 2) Bundle fallback.
+    NSString *bundlePath = [[NSBundle mainBundle] pathForResource:@"kb_words" ofType:@"txt"];
+    if (bundlePath.length > 0) {
+        [paths addObject:bundlePath];
+    }
+    return paths;
+}
+
+- (NSString *)kb_sanitizedWordFromLine:(NSString *)line {
+    NSString *trimmed = [[line stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] lowercaseString];
+    if (trimmed.length == 0) { return @""; }
+    static NSCharacterSet *letters = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        letters = [NSCharacterSet characterSetWithCharactersInString:@"abcdefghijklmnopqrstuvwxyz"];
+    });
+    for (NSUInteger i = 0; i < trimmed.length; i++) {
+        if (![letters characterIsMember:[trimmed characterAtIndex:i]]) {
+            return @"";
+        }
+    }
+    return trimmed;
+}
+
++ (NSArray<NSString *> *)kb_defaultWords {
+    return @[
+        @"a", @"an", @"and", @"are", @"as", @"at",
+        @"app", @"ap", @"apple", @"apply", @"april", @"application",
+        @"about", @"above", @"after", @"again", @"against", @"all",
+        @"am", @"among", @"amount", @"any", @"around",
+        @"be", @"because", @"been", @"before", @"being", @"below",
+        @"best", @"between", @"both", @"but", @"by",
+        @"can", @"could", @"come", @"common", @"case",
+        @"do", @"does", @"down", @"day",
+        @"each", @"early", @"end", @"even", @"every",
+        @"for", @"from", @"first", @"found", @"free",
+        @"get", @"good", @"great", @"go",
+        @"have", @"has", @"had", @"help", @"how",
+        @"in", @"is", @"it", @"if", @"into",
+        @"just", @"keep", @"kind", @"know",
+        @"like", @"look", @"long", @"last",
+        @"make", @"more", @"most", @"my",
+        @"new", @"no", @"not", @"now",
+        @"of", @"on", @"one", @"or", @"other", @"our", @"out",
+        @"people", @"place", @"please",
+        @"quick", @"quite",
+        @"right", @"read", @"real",
+        @"see", @"say", @"some", @"such", @"so",
+        @"the", @"to", @"this", @"that", @"them", @"then", @"there", @"they", @"these", @"time",
+        @"use", @"up", @"under",
+        @"very",
+        @"we", @"with", @"what", @"when", @"where", @"who", @"why", @"will", @"would",
+        @"you", @"your"
+    ];
+}
+
+@end

CustomKeyboard/Model/KBChatMessage.h

@@ -0,0 +1,49 @@
+//
+//  KBChatMessage.h
+//  CustomKeyboard
+//
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface KBChatMessage : NSObject
+
+@property (nonatomic, copy) NSString *text;
+@property (nonatomic, assign) BOOL outgoing;
+@property (nonatomic, copy, nullable) NSString *audioFilePath;
+@property (nonatomic, copy, nullable) NSString *avatarURL;
+@property (nonatomic, copy, nullable) NSString *displayName;
+@property (nonatomic, strong, nullable) UIImage *avatarImage;
+
+/// 是否处于加载状态
+@property (nonatomic, assign) BOOL isLoading;
+/// 是否完成（用于打字机效果）
+@property (nonatomic, assign) BOOL isComplete;
+/// 是否需要打字机效果
+@property (nonatomic, assign) BOOL needsTypewriterEffect;
+/// 音频 ID（用于异步加载音频）
+@property (nonatomic, copy, nullable) NSString *audioId;
+/// 音频数据（缓存）
+@property (nonatomic, strong, nullable) NSData *audioData;
+/// 音频时长（秒）
+@property (nonatomic, assign) NSTimeInterval audioDuration;
+
++ (instancetype)messageWithText:(NSString *)text
+                        outgoing:(BOOL)outgoing
+                   audioFilePath:(nullable NSString *)audioFilePath;
+
+/// 创建用户消息
++ (instancetype)userMessageWithText:(NSString *)text;
+
+/// 创建 AI 消息（带 audioId）
++ (instancetype)assistantMessageWithText:(NSString *)text
+                                 audioId:(nullable NSString *)audioId;
+
+/// 创建加载中的 AI 消息
++ (instancetype)loadingAssistantMessage;
+
+@end
+
+NS_ASSUME_NONNULL_END

CustomKeyboard/Model/KBChatMessage.m

@@ -0,0 +1,55 @@
+//
+//  KBChatMessage.m
+//  CustomKeyboard
+//
+
+#import "KBChatMessage.h"
+
+@implementation KBChatMessage
+
++ (instancetype)messageWithText:(NSString *)text
+                        outgoing:(BOOL)outgoing
+                   audioFilePath:(NSString *)audioFilePath {
+    KBChatMessage *msg = [[KBChatMessage alloc] init];
+    msg.text = text ?: @"";
+    msg.outgoing = outgoing;
+    msg.audioFilePath = audioFilePath;
+    msg.isComplete = YES;
+    msg.isLoading = NO;
+    msg.needsTypewriterEffect = NO;
+    return msg;
+}
+
++ (instancetype)userMessageWithText:(NSString *)text {
+    KBChatMessage *msg = [[KBChatMessage alloc] init];
+    msg.text = text ?: @"";
+    msg.outgoing = YES;
+    msg.isComplete = YES;
+    msg.isLoading = NO;
+    msg.needsTypewriterEffect = NO;
+    return msg;
+}
+
++ (instancetype)assistantMessageWithText:(NSString *)text
+                                 audioId:(NSString *)audioId {
+    KBChatMessage *msg = [[KBChatMessage alloc] init];
+    msg.text = text ?: @"";
+    msg.outgoing = NO;
+    msg.audioId = audioId;
+    msg.isComplete = NO;
+    msg.isLoading = NO;
+    msg.needsTypewriterEffect = YES;
+    return msg;
+}
+
++ (instancetype)loadingAssistantMessage {
+    KBChatMessage *msg = [[KBChatMessage alloc] init];
+    msg.text = @"";
+    msg.outgoing = NO;
+    msg.isComplete = NO;
+    msg.isLoading = YES;
+    msg.needsTypewriterEffect = NO;
+    return msg;
+}
+
+@end

CustomKeyboard/Model/KBKeyboardLayoutConfig.h

@@ -0,0 +1,96 @@
+//
+//  KBKeyboardLayoutConfig.h
+//  CustomKeyboard
+//
+//  键盘布局配置模型（由 JSON 驱动）
+//
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface KBKeyboardLayoutMetrics : NSObject
+@property (nonatomic, strong, nullable) NSNumber *rowSpacing;
+@property (nonatomic, strong, nullable) NSNumber *topInset;
+@property (nonatomic, strong, nullable) NSNumber *bottomInset;
+@property (nonatomic, strong, nullable) NSNumber *keyHeight;
+@property (nonatomic, strong, nullable) NSNumber *edgeInset;
+@property (nonatomic, strong, nullable) NSNumber *gap;
+@property (nonatomic, strong, nullable) NSNumber *letterWidth;
+@property (nonatomic, strong, nullable) NSNumber *controlWidth;
+@property (nonatomic, strong, nullable) NSNumber *sendWidth;
+@property (nonatomic, strong, nullable) NSNumber *symbolsWideWidth;
+@property (nonatomic, strong, nullable) NSNumber *symbolsSideWidth;
+@end
+
+@interface KBKeyboardLayoutFonts : NSObject
+@property (nonatomic, strong, nullable) NSNumber *letter;
+@property (nonatomic, strong, nullable) NSNumber *digit;
+@property (nonatomic, strong, nullable) NSNumber *symbol;
+@property (nonatomic, strong, nullable) NSNumber *mode;
+@property (nonatomic, strong, nullable) NSNumber *space;
+@property (nonatomic, strong, nullable) NSNumber *send;
+@end
+
+@interface KBKeyboardKeyDef : NSObject
+@property (nonatomic, copy, nullable) NSString *type;
+@property (nonatomic, copy, nullable) NSString *title;
+@property (nonatomic, copy, nullable) NSString *selectedTitle;
+@property (nonatomic, copy, nullable) NSString *symbolName;
+@property (nonatomic, copy, nullable) NSString *selectedSymbolName;
+@property (nonatomic, copy, nullable) NSString *font;
+@property (nonatomic, copy, nullable) NSString *width;
+@property (nonatomic, strong, nullable) NSNumber *widthValue;
+@property (nonatomic, copy, nullable) NSString *backgroundColor;
+@end
+
+@interface KBKeyboardRowItem : NSObject
+@property (nonatomic, copy, nullable) NSString *itemId;
+@property (nonatomic, copy, nullable) NSString *width;
+@property (nonatomic, strong, nullable) NSNumber *widthValue;
++ (NSArray<KBKeyboardRowItem *> *)itemsFromRawArray:(NSArray *)raw;
+@end
+
+@interface KBKeyboardRowSegments : NSObject
+@property (nonatomic, strong, nullable) NSArray *left;
+@property (nonatomic, strong, nullable) NSArray *center;
+@property (nonatomic, strong, nullable) NSArray *right;
+- (NSArray<KBKeyboardRowItem *> *)leftItems;
+- (NSArray<KBKeyboardRowItem *> *)centerItems;
+- (NSArray<KBKeyboardRowItem *> *)rightItems;
+@end
+
+@interface KBKeyboardRowConfig : NSObject
+@property (nonatomic, strong, nullable) NSNumber *height;
+@property (nonatomic, strong, nullable) NSNumber *insetLeft;
+@property (nonatomic, strong, nullable) NSNumber *insetRight;
+@property (nonatomic, strong, nullable) NSNumber *gap;
+@property (nonatomic, copy, nullable) NSString *align;
+@property (nonatomic, strong, nullable) NSArray *items;
+@property (nonatomic, strong, nullable) KBKeyboardRowSegments *segments;
+- (NSArray<KBKeyboardRowItem *> *)resolvedItems;
+@end
+
+@interface KBKeyboardLayout : NSObject
+@property (nonatomic, strong, nullable) NSArray<KBKeyboardRowConfig *> *rows;
+@end
+
+@interface KBKeyboardLayoutConfig : NSObject
+@property (nonatomic, assign) CGFloat designWidth;
+@property (nonatomic, strong, nullable) KBKeyboardLayoutMetrics *metrics;
+@property (nonatomic, strong, nullable) KBKeyboardLayoutFonts *fonts;
+@property (nonatomic, copy, nullable) NSString *defaultKeyBackground;
+@property (nonatomic, strong, nullable) NSDictionary<NSString *, KBKeyboardKeyDef *> *keyDefs;
+@property (nonatomic, strong, nullable) NSDictionary<NSString *, KBKeyboardLayout *> *layouts;
+
++ (nullable instancetype)sharedConfig;
++ (nullable instancetype)configFromJSONData:(NSData *)data;
+- (CGFloat)scaledValue:(CGFloat)designValue;
+- (CGFloat)keyboardAreaDesignHeight;
+- (CGFloat)keyboardAreaScaledHeight;
+- (nullable KBKeyboardLayout *)layoutForName:(NSString *)name;
+- (nullable KBKeyboardKeyDef *)keyDefForIdentifier:(NSString *)identifier;
+@end
+
+NS_ASSUME_NONNULL_END

CustomKeyboard/Model/KBKeyboardLayoutConfig.m

@@ -0,0 +1,187 @@
+//
+//  KBKeyboardLayoutConfig.m
+//  CustomKeyboard
+//
+
+#import "KBKeyboardLayoutConfig.h"
+#import <MJExtension/MJExtension.h>
+#import "KBConfig.h"
+
+static NSString * const kKBKeyboardLayoutConfigFileName = @"kb_keyboard_layout_config";
+
+@implementation KBKeyboardLayoutMetrics
+@end
+
+@implementation KBKeyboardLayoutFonts
+@end
+
+@implementation KBKeyboardKeyDef
+@end
+
+@implementation KBKeyboardRowItem
+
++ (NSDictionary *)mj_replacedKeyFromPropertyName {
+    return @{ @"itemId": @"id" };
+}
+
++ (NSArray<KBKeyboardRowItem *> *)itemsFromRawArray:(NSArray *)raw {
+    if (![raw isKindOfClass:[NSArray class]] || raw.count == 0) {
+        return @[];
+    }
+    NSMutableArray<KBKeyboardRowItem *> *items = [NSMutableArray arrayWithCapacity:raw.count];
+    for (id obj in raw) {
+        if ([obj isKindOfClass:[NSString class]]) {
+            KBKeyboardRowItem *item = [KBKeyboardRowItem new];
+            item.itemId = (NSString *)obj;
+            [items addObject:item];
+            continue;
+        }
+        if ([obj isKindOfClass:[NSDictionary class]]) {
+            KBKeyboardRowItem *item = [KBKeyboardRowItem mj_objectWithKeyValues:obj];
+            if (item.itemId.length == 0) {
+                NSString *fallback = ((NSDictionary *)obj)[@"id"];
+                if ([fallback isKindOfClass:[NSString class]]) {
+                    item.itemId = fallback;
+                }
+            }
+            if (item.itemId.length > 0) {
+                [items addObject:item];
+            }
+        }
+    }
+    return items.copy;
+}
+
+@end
+
+@implementation KBKeyboardRowSegments
+
+- (NSArray<KBKeyboardRowItem *> *)leftItems {
+    return [KBKeyboardRowItem itemsFromRawArray:self.left ?: @[]];
+}
+
+- (NSArray<KBKeyboardRowItem *> *)centerItems {
+    return [KBKeyboardRowItem itemsFromRawArray:self.center ?: @[]];
+}
+
+- (NSArray<KBKeyboardRowItem *> *)rightItems {
+    return [KBKeyboardRowItem itemsFromRawArray:self.right ?: @[]];
+}
+
+@end
+
+@implementation KBKeyboardRowConfig
+
+- (NSArray<KBKeyboardRowItem *> *)resolvedItems {
+    return [KBKeyboardRowItem itemsFromRawArray:self.items ?: @[]];
+}
+
+@end
+
+@implementation KBKeyboardLayout
+
++ (NSDictionary *)mj_objectClassInArray {
+    return @{ @"rows": [KBKeyboardRowConfig class] };
+}
+
+@end
+
+@implementation KBKeyboardLayoutConfig
+
++ (instancetype)sharedConfig {
+    static KBKeyboardLayoutConfig *config = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        NSString *path = [[NSBundle mainBundle] pathForResource:kKBKeyboardLayoutConfigFileName ofType:@"json"];
+        NSData *data = path.length ? [NSData dataWithContentsOfFile:path] : nil;
+        config = data ? [KBKeyboardLayoutConfig configFromJSONData:data] : nil;
+    });
+    return config;
+}
+
++ (instancetype)configFromJSONData:(NSData *)data {
+    if (data.length == 0) { return nil; }
+    NSError *error = nil;
+    id json = [NSJSONSerialization JSONObjectWithData:data options:0 error:&error];
+    if (error || ![json isKindOfClass:[NSDictionary class]]) {
+        return nil;
+    }
+    NSDictionary *dict = (NSDictionary *)json;
+    KBKeyboardLayoutConfig *config = [KBKeyboardLayoutConfig mj_objectWithKeyValues:dict];
+
+    NSDictionary *keyDefsRaw = dict[@"keyDefs"];
+    if ([keyDefsRaw isKindOfClass:[NSDictionary class]]) {
+        NSMutableDictionary<NSString *, KBKeyboardKeyDef *> *defs = [NSMutableDictionary dictionaryWithCapacity:keyDefsRaw.count];
+        [keyDefsRaw enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
+            if (![key isKindOfClass:[NSString class]] || ![obj isKindOfClass:[NSDictionary class]]) {
+                return;
+            }
+            KBKeyboardKeyDef *def = [KBKeyboardKeyDef mj_objectWithKeyValues:obj];
+            if (def) {
+                defs[key] = def;
+            }
+        }];
+        config.keyDefs = defs.copy;
+    }
+
+    NSDictionary *layoutsRaw = dict[@"layouts"];
+    if ([layoutsRaw isKindOfClass:[NSDictionary class]]) {
+        NSMutableDictionary<NSString *, KBKeyboardLayout *> *layouts = [NSMutableDictionary dictionaryWithCapacity:layoutsRaw.count];
+        [layoutsRaw enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
+            if (![key isKindOfClass:[NSString class]] || ![obj isKindOfClass:[NSDictionary class]]) {
+                return;
+            }
+            KBKeyboardLayout *layout = [KBKeyboardLayout mj_objectWithKeyValues:obj];
+            if (layout) {
+                layouts[key] = layout;
+            }
+        }];
+        config.layouts = layouts.copy;
+    }
+
+    return config;
+}
+
+- (CGFloat)scaledValue:(CGFloat)designValue {
+    CGFloat baseWidth = (self.designWidth > 0.0) ? self.designWidth : KB_DESIGN_WIDTH;
+    CGFloat scale = KBScreenWidth() / baseWidth;
+    return designValue * scale;
+}
+
+- (CGFloat)keyboardAreaDesignHeight {
+    KBKeyboardLayout *layout = [self layoutForName:@"letters"] ?: self.layouts.allValues.firstObject;
+    NSUInteger rowCount = layout.rows.count;
+    if (rowCount == 0) { return 0.0; }
+
+    CGFloat rowSpacing = self.metrics.rowSpacing.doubleValue;
+    CGFloat topInset = self.metrics.topInset.doubleValue;
+    CGFloat bottomInset = self.metrics.bottomInset.doubleValue;
+
+    CGFloat total = topInset + bottomInset + rowSpacing * (rowCount - 1);
+    for (KBKeyboardRowConfig *row in layout.rows) {
+        CGFloat height = row.height.doubleValue;
+        if (height <= 0.0) {
+            height = self.metrics.keyHeight.doubleValue;
+        }
+        if (height <= 0.0) { height = 40.0; }
+        total += height;
+    }
+    return total;
+}
+
+- (CGFloat)keyboardAreaScaledHeight {
+    CGFloat designHeight = [self keyboardAreaDesignHeight];
+    return designHeight > 0.0 ? [self scaledValue:designHeight] : 0.0;
+}
+
+- (KBKeyboardLayout *)layoutForName:(NSString *)name {
+    if (name.length == 0) { return nil; }
+    return self.layouts[name];
+}
+
+- (KBKeyboardKeyDef *)keyDefForIdentifier:(NSString *)identifier {
+    if (identifier.length == 0) { return nil; }
+    return self.keyDefs[identifier];
+}
+
+@end

CustomKeyboard/Network/KBNetworkManager.h

@@ -64,6 +64,15 @@ typedef void(^KBNetworkDataCompletion)(NSData *_Nullable data,
                                 headers:(nullable NSDictionary<NSString *, NSString *> *)headers
                               completion:(KBNetworkCompletion)completion;
 
+/// POST multipart 上传文件（常用于语音/图片等文件）
+- (nullable NSURLSessionDataTask *)uploadFile:(NSString *)path
+                                      fileURL:(NSURL *)fileURL
+                                         name:(NSString *)name
+                                     mimeType:(NSString *)mimeType
+                                   parameters:(nullable NSDictionary *)parameters
+                                      headers:(nullable NSDictionary<NSString *, NSString *> *)headers
+                                   completion:(KBNetworkCompletion)completion;
+
 @end
 
 NS_ASSUME_NONNULL_END

CustomKeyboard/Network/KBNetworkManager.m

@@ -41,38 +41,10 @@ NSErrorDomain const KBNetworkErrorDomain = @"com.company.keyboard.network";
 }
 
 - (void)getSignWithParare:(NSDictionary *)bodyParams{
-   
-    NSString *appId    = @"loveKeyboard";
-    NSString *secret   = @"kZJM39HYvhxwbJkG1fmquQRVkQiLAh2H"; // 和服务端保持一致
-    NSString *timestamp = [KBSignUtils currentTimestamp];
-    NSString *nonce     = [KBSignUtils generateNonceWithLength:16];
-    // 1. 组装参与签名的所有参数
-    NSMutableDictionary<NSString *, NSString *> *signParams = [NSMutableDictionary dictionary];
-    signParams[@"appId"]     = appId;
-    signParams[@"timestamp"] = timestamp;
-    signParams[@"nonce"]     = nonce;
-    // 把 body 里的字段也加入签名参数
-    [bodyParams enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
-        if ([obj isKindOfClass:[NSString class]]) {
-            signParams[key] = obj;
-        } else {
-            signParams[key] = [obj description];
-        }
-    }];
-    NSString *sign = [KBSignUtils signWithParams:signParams secret:secret];
-
-    // 将签名相关字段合并进默认请求头
+    NSDictionary<NSString *, NSString *> *signHeaders = [KBSignUtils signHeadersWithBodyParams:bodyParams];
     NSMutableDictionary<NSString *, NSString *> *headers =
     [self.defaultHeaders mutableCopy] ?: [NSMutableDictionary dictionary];
-
-    if (sign.length > 0) {
-        headers[@"X-Sign"] = sign;
-    }
-    headers[@"X-App-Id"]    = appId;
-    headers[@"X-Timestamp"] = timestamp;
-    headers[@"X-Nonce"]     = nonce;
-
-    // 触发 copy 语义，确保对外仍是不可变字典
+    [headers addEntriesFromDictionary:signHeaders ?: @{}];
     self.defaultHeaders = headers;
 }
 
@@ -124,6 +96,84 @@ NSErrorDomain const KBNetworkErrorDomain = @"com.company.keyboard.network";
     return [self startAFJSONTaskWithRequest:req completion:completion];
 }
 
+- (NSURLSessionDataTask *)uploadFile:(NSString *)path
+                             fileURL:(NSURL *)fileURL
+                                name:(NSString *)name
+                            mimeType:(NSString *)mimeType
+                          parameters:(NSDictionary *)parameters
+                             headers:(NSDictionary<NSString *, NSString *> *)headers
+                          completion:(KBNetworkCompletion)completion {
+    [self getSignWithParare:parameters];
+    if (![self ensureEnabled:completion]) return nil;
+    NSString *urlString = [self buildURLStringWithPath:path];
+    if (!urlString) { [self fail:KBNetworkErrorInvalidURL completion:completion]; return nil; }
+    if (!fileURL) {
+        if (completion) completion(nil, nil, [NSError errorWithDomain:KBNetworkErrorDomain code:KBNetworkErrorInvalidResponse userInfo:@{NSLocalizedDescriptionKey: KBLocalized(@"Invalid file")}]);
+        return nil;
+    }
+    AFHTTPRequestSerializer *serializer = [AFHTTPRequestSerializer serializer];
+    serializer.timeoutInterval = self.timeout;
+    NSError *error = nil;
+    NSMutableURLRequest *req = [serializer multipartFormRequestWithMethod:@"POST"
+                                                                URLString:urlString
+                                                               parameters:parameters
+                                                constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
+        NSString *safeName = (name.length > 0) ? name : @"file";
+        NSString *fileName = fileURL.lastPathComponent ?: @"upload.bin";
+        NSString *type = (mimeType.length > 0) ? mimeType : @"application/octet-stream";
+        [formData appendPartWithFileURL:fileURL name:safeName fileName:fileName mimeType:type error:nil];
+    } error:&error];
+    if (error || !req) {
+        if (completion) completion(nil, nil, error ?: [NSError errorWithDomain:KBNetworkErrorDomain code:KBNetworkErrorInvalidURL userInfo:@{NSLocalizedDescriptionKey: KBLocalized(@"Invalid URL")}]);
+        return nil;
+    }
+    [self applyHeaders:headers toMutableRequest:req contentType:nil];
+    self.manager.responseSerializer = [AFHTTPResponseSerializer serializer];
+    NSURLSessionUploadTask *task = [self.manager uploadTaskWithStreamedRequest:req progress:nil completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) {
+        if (error) {
+            if (completion) completion(nil, response, error);
+            return;
+        }
+        NSData *data = (NSData *)responseObject;
+        if (![data isKindOfClass:[NSData class]]) {
+            if (completion) completion(nil, response, [NSError errorWithDomain:KBNetworkErrorDomain code:KBNetworkErrorInvalidResponse userInfo:@{NSLocalizedDescriptionKey:KBLocalized(@"No data")}]);
+            return;
+        }
+        NSString *ct = nil;
+        if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
+            ct = ((NSHTTPURLResponse *)response).allHeaderFields[@"Content-Type"];
+        }
+        BOOL looksJSON = (ct && [[ct lowercaseString] containsString:@"json"]);
+        if (!looksJSON) {
+            const unsigned char *bytes = data.bytes;
+            NSUInteger len = data.length;
+            for (NSUInteger i = 0; !looksJSON && i < len; i++) {
+                unsigned char c = bytes[i];
+                if (c == ' ' || c == '\n' || c == '\r' || c == '\t') continue;
+                looksJSON = (c == '{' || c == '[');
+                break;
+            }
+        }
+        if (looksJSON) {
+            NSError *jsonErr = nil;
+            id json = [NSJSONSerialization JSONObjectWithData:data options:0 error:&jsonErr];
+            if (jsonErr) {
+                if (completion) completion(nil, response, [NSError errorWithDomain:KBNetworkErrorDomain code:KBNetworkErrorDecodeFailed userInfo:@{NSLocalizedDescriptionKey:KBLocalized(@"Failed to parse JSON")}]);
+                return;
+            }
+            if (![json isKindOfClass:[NSDictionary class]]) {
+                if (completion) completion(nil, response, [NSError errorWithDomain:KBNetworkErrorDomain code:KBNetworkErrorInvalidResponse userInfo:@{NSLocalizedDescriptionKey:KBLocalized(@"Invalid response")}]);
+                return;
+            }
+            if (completion) completion((NSDictionary *)json, response, nil);
+        } else {
+            if (completion) completion(nil, response, [NSError errorWithDomain:KBNetworkErrorDomain code:KBNetworkErrorInvalidResponse userInfo:@{NSLocalizedDescriptionKey:KBLocalized(@"Invalid response")}]);
+        }
+    }];
+    [task resume];
+    return task;
+}
+
 - (NSURLSessionDataTask *)GETData:(NSString *)path
                        parameters:(NSDictionary *)parameters
                           headers:(NSDictionary<NSString *,NSString *> *)headers

CustomKeyboard/Network/KBStreamFetcher.h

@@ -8,7 +8,7 @@
 //  - 兼容后端“/t”作为分段标记：可自动替换为制表符“\t”
 //  - 首段去首个“\t”：若首次正文以一个制表符起始（允许前导空白），可只移除“一个”\t
 //
-
+// 暂未使用
 #import <Foundation/Foundation.h>
 
 NS_ASSUME_NONNULL_BEGIN

CustomKeyboard/Network/NetworkStreamHandler.h

@@ -4,7 +4,7 @@
 //
 //  Created by Mac on 2025/11/12.
 //
-
+// 暂未使用
 #import <Foundation/Foundation.h>
 
 NS_ASSUME_NONNULL_BEGIN

CustomKeyboard/PrefixHeader.pch

@@ -21,6 +21,9 @@
 #import "Masonry.h"
 #import "KBHUD.h"   // 复用 App 内的 HUD 封装
 #import "KBLocalizationManager.h" // 复用多语言封装（可在扩展内使用）
+#import "KBMaiPointReporter.h"
+//#import "KBLog.h"
+
 
 // 通用链接（Universal Links）统一配置
 // 配置好 AASA 与 Associated Domains 后，只需修改这里即可切换域名/path。

CustomKeyboard/Resource/KBSkinIconMap.strings

@@ -71,7 +71,7 @@
 /* 字母 g（小写） */
 "letter_g_lower" = "key_g";
 /* 字母 G（大写） */
-"letter_g_upper" = "key_f_up";
+"letter_g_upper" = "key_g_up";
 
 /* 字母 h（小写） */
 "letter_h_lower" = "key_h";
@@ -242,7 +242,7 @@
 /* 自定义 AI 功能键 */
 "ai" = "key_ai";
 /* Emoji功能键 */
-"emoji" = "key_emoji";
+//"emoji" = "key_emoji";
+"emoji_panel" = "key_emoji";
 /* 发送/换行键 */
 "return" = "key_send";
-

CustomKeyboard/Resource/kb_keyboard_layout_config.json

@@ -0,0 +1,414 @@
+{
+  "__comment": "键盘布局配置：所有尺寸为设计稿值（会按 designWidth 等比缩放）",
+  "designWidth": 375,
+  "__comment_designWidth": "设计稿宽度（如 375），用于计算缩放比例",
+  "defaultKeyBackground": "#FFFFFF",
+  "__comment_defaultKeyBackground": "无皮肤时按键默认背景色",
+  "metrics": {
+    "__comment": "全局尺寸参数（单位：pt，按 designWidth 缩放）",
+    "rowSpacing": 8,
+    "__comment_rowSpacing": "行间距（垂直）",
+    "topInset": 8,
+    "__comment_topInset": "键盘顶部内边距",
+    "bottomInset": 6,
+    "__comment_bottomInset": "键盘底部内边距",
+    "keyHeight": 41,
+    "__comment_keyHeight": "默认按键高度",
+    "edgeInset": 4,
+    "__comment_edgeInset": "行左右内边距（默认）",
+    "gap": 5,
+    "__comment_gap": "按键之间水平间距",
+    "letterWidth": 32,
+    "__comment_letterWidth": "字母键默认宽度",
+    "controlWidth": 41,
+    "__comment_controlWidth": "控制键宽度（如 shift/backspace/123）",
+    "sendWidth": 88,
+    "__comment_sendWidth": "send 键宽度",
+    "symbolsWideWidth": 47,
+    "__comment_symbolsWideWidth": "符号第3行中间大键宽度",
+    "symbolsSideWidth": 41,
+    "__comment_symbolsSideWidth": "符号第3行左右控制键宽度"
+  },
+  "fonts": {
+    "__comment": "字体大小（pt）",
+    "letter": 20,
+    "__comment_letter": "字母键字体大小",
+    "digit": 20,
+    "__comment_digit": "数字键字体大小",
+    "symbol": 18,
+    "__comment_symbol": "符号键字体大小",
+    "mode": 14,
+    "__comment_mode": "模式切换键字体大小（ABC/#+=/123）",
+    "space": 18,
+    "__comment_space": "空格键字体大小",
+    "send": 18,
+    "__comment_send": "发送键字体大小"
+  },
+  "keyDefs": {
+    "__comment": "特殊功能键配置（id 对应布局中的 item）",
+    "shift": {
+      "__comment": "大小写切换键",
+      "type": "shift",
+      "__comment_type": "类型：shift/backspace/mode/symbolsToggle/space/return/custom",
+      "title": "⇧",
+      "__comment_title": "按钮文本（无皮肤时显示）",
+      "symbolName": "shift",
+      "__comment_symbolName": "无皮肤时使用 SF Symbol 名称",
+      "selectedSymbolName": "shift.fill",
+      "__comment_selectedSymbolName": "选中态 SF Symbol 名称",
+      "font": "symbol",
+      "__comment_font": "使用 fonts 中哪一类字号",
+      "width": "controlWidth",
+      "__comment_width": "宽度：引用 metrics 中字段或具体数值",
+      "backgroundColor": "#B7BBC4",
+      "__comment_backgroundColor": "按键背景色"
+    },
+    "backspace": {
+      "__comment": "删除键",
+      "type": "backspace",
+      "__comment_type": "类型：shift/backspace/mode/symbolsToggle/space/return/custom",
+      "title": "⌫",
+      "__comment_title": "按钮文本（无皮肤时显示）",
+      "font": "symbol",
+      "__comment_font": "使用 fonts 中哪一类字号",
+      "width": "controlWidth",
+      "__comment_width": "宽度：引用 metrics 中字段或具体数值",
+      "backgroundColor": "#B7BBC4",
+      "__comment_backgroundColor": "按键背景色"
+    },
+    "mode_123": {
+      "__comment": "字母面板左下角 123",
+      "type": "mode",
+      "__comment_type": "类型：shift/backspace/mode/symbolsToggle/space/return/custom",
+      "title": "123",
+      "__comment_title": "按钮文本（无皮肤时显示）",
+      "font": "mode",
+      "__comment_font": "使用 fonts 中哪一类字号",
+      "width": "controlWidth",
+      "__comment_width": "宽度：引用 metrics 中字段或具体数值",
+      "backgroundColor": "#B7BBC4",
+      "__comment_backgroundColor": "按键背景色"
+    },
+    "mode_abc": {
+      "__comment": "数字面板左下角 ABC",
+      "type": "mode",
+      "__comment_type": "类型：shift/backspace/mode/symbolsToggle/space/return/custom",
+      "title": "ABC",
+      "__comment_title": "按钮文本（无皮肤时显示）",
+      "font": "mode",
+      "__comment_font": "使用 fonts 中哪一类字号",
+      "width": "controlWidth",
+      "__comment_width": "宽度：引用 metrics 中字段或具体数值",
+      "backgroundColor": "#B7BBC4",
+      "__comment_backgroundColor": "按键背景色"
+    },
+    "symbols_toggle_more": {
+      "__comment": "数字面板内 123 -> #+=",
+      "type": "symbolsToggle",
+      "__comment_type": "类型：shift/backspace/mode/symbolsToggle/space/return/custom",
+      "title": "#+=",
+      "__comment_title": "按钮文本（无皮肤时显示）",
+      "font": "mode",
+      "__comment_font": "使用 fonts 中哪一类字号",
+      "width": "symbolsSideWidth",
+      "__comment_width": "宽度：引用 metrics 中字段或具体数值",
+      "backgroundColor": "#B7BBC4",
+      "__comment_backgroundColor": "按键背景色"
+    },
+    "symbols_toggle_123": {
+      "__comment": "数字面板内 #+= -> 123",
+      "type": "symbolsToggle",
+      "__comment_type": "类型：shift/backspace/mode/symbolsToggle/space/return/custom",
+      "title": "123",
+      "__comment_title": "按钮文本（无皮肤时显示）",
+      "font": "mode",
+      "__comment_font": "使用 fonts 中哪一类字号",
+      "width": "symbolsSideWidth",
+      "__comment_width": "宽度：引用 metrics 中字段或具体数值",
+      "backgroundColor": "#B7BBC4",
+      "__comment_backgroundColor": "按键背景色"
+    },
+    "emoji": {
+      "__comment": "emoji 功能键",
+      "type": "custom",
+      "__comment_type": "类型：shift/backspace/mode/symbolsToggle/space/return/custom",
+      "title": "😁",
+      "__comment_title": "按钮文本（无皮肤时显示）",
+      "font": "symbol",
+      "__comment_font": "使用 fonts 中哪一类字号",
+      "width": "controlWidth",
+      "__comment_width": "宽度：引用 metrics 中字段或具体数值",
+      "backgroundColor": "#B7BBC4",
+      "__comment_backgroundColor": "按键背景色"
+    },
+    "space": {
+      "__comment": "空格键",
+      "type": "space",
+      "__comment_type": "类型：shift/backspace/mode/symbolsToggle/space/return/custom",
+      "title": "space",
+      "__comment_title": "按钮文本（无皮肤时显示）",
+      "font": "space",
+      "__comment_font": "使用 fonts 中哪一类字号",
+      "width": "flex",
+      "__comment_width": "flex 表示自动占满剩余空间"
+    },
+    "send": {
+      "__comment": "发送键",
+      "type": "return",
+      "__comment_type": "类型：shift/backspace/mode/symbolsToggle/space/return/custom",
+      "title": "send",
+      "__comment_title": "按钮文本（无皮肤时显示）",
+      "font": "send",
+      "__comment_font": "使用 fonts 中哪一类字号",
+      "width": "sendWidth",
+      "__comment_width": "宽度：引用 metrics 中字段或具体数值",
+      "backgroundColor": "#B7BBC4",
+      "__comment_backgroundColor": "按键背景色"
+    }
+  },
+  "layouts": {
+    "__comment": "布局集合：letters/numbers/symbolsMore",
+    "letters": {
+      "__comment": "字母布局（小写/大写共用）",
+      "rows": [
+        {
+          "__comment": "字母第一行 qwertyuiop",
+          "align": "left",
+          "__comment_align": "对齐方式：left/center",
+          "insetLeft": 4,
+          "__comment_insetLeft": "本行左边距（覆盖 metrics.edgeInset）",
+          "insetRight": 4,
+          "__comment_insetRight": "本行右边距（覆盖 metrics.edgeInset）",
+          "gap": 5,
+          "__comment_gap": "本行按键间距（覆盖 metrics.gap）",
+          "items": [
+            "letter:q", "letter:w", "letter:e", "letter:r", "letter:t",
+            "letter:y", "letter:u", "letter:i", "letter:o", "letter:p"
+          ],
+          "__comment_items": "本行按键列表；letter:x/digit:x/sym:x 或 keyDefs 中的 id"
+        },
+        {
+          "__comment": "字母第二行 asdfghjkl",
+          "align": "center",
+          "__comment_align": "对齐方式：left/center",
+          "insetLeft": 0,
+          "__comment_insetLeft": "本行左边距（覆盖 metrics.edgeInset）",
+          "insetRight": 0,
+          "__comment_insetRight": "本行右边距（覆盖 metrics.edgeInset）",
+          "gap": 5,
+          "__comment_gap": "本行按键间距（覆盖 metrics.gap）",
+          "items": [
+            "letter:a", "letter:s", "letter:d", "letter:f", "letter:g",
+            "letter:h", "letter:j", "letter:k", "letter:l"
+          ],
+          "__comment_items": "本行按键列表；letter:x/digit:x/sym:x 或 keyDefs 中的 id"
+        },
+        {
+          "__comment": "字母第三行：左 shift，中间字母，右 backspace",
+          "align": "left",
+          "__comment_align": "对齐方式：left/center",
+          "insetLeft": 4,
+          "__comment_insetLeft": "本行左边距（覆盖 metrics.edgeInset）",
+          "insetRight": 4,
+          "__comment_insetRight": "本行右边距（覆盖 metrics.edgeInset）",
+          "gap": 5,
+          "__comment_gap": "本行按键间距（覆盖 metrics.gap）",
+          "segments": {
+            "__comment": "分段布局：left/center/right",
+            "left": [
+              { "id": "shift", "width": "controlWidth", "__comment_id": "引用 keyDefs 的 id", "__comment_width": "宽度引用 metrics.controlWidth" }
+            ],
+            "__comment_left": "左侧固定按钮",
+            "center": [
+              "letter:z", "letter:x", "letter:c", "letter:v", "letter:b", "letter:n", "letter:m"
+            ],
+            "__comment_center": "中间字母键集合，整体居中",
+            "right": [
+              { "id": "backspace", "width": "controlWidth", "__comment_id": "引用 keyDefs 的 id", "__comment_width": "宽度引用 metrics.controlWidth" }
+            ],
+            "__comment_right": "右侧固定按钮"
+          }
+        },
+        {
+          "__comment": "字母第四行：123/emoji/space/send",
+          "align": "left",
+          "__comment_align": "对齐方式：left/center",
+          "insetLeft": 4,
+          "__comment_insetLeft": "本行左边距（覆盖 metrics.edgeInset）",
+          "insetRight": 4,
+          "__comment_insetRight": "本行右边距（覆盖 metrics.edgeInset）",
+          "gap": 5,
+          "__comment_gap": "本行按键间距（覆盖 metrics.gap）",
+          "items": [
+            "mode_123", "emoji", "space", "send"
+          ],
+          "__comment_items": "本行按键列表；letter:x/digit:x/sym:x 或 keyDefs 中的 id"
+        }
+      ]
+    },
+    "numbers": {
+      "__comment": "数字面板布局（123 页）",
+      "rows": [
+        {
+          "__comment": "数字第一行 1234567890",
+          "align": "left",
+          "__comment_align": "对齐方式：left/center",
+          "insetLeft": 4,
+          "__comment_insetLeft": "本行左边距（覆盖 metrics.edgeInset）",
+          "insetRight": 4,
+          "__comment_insetRight": "本行右边距（覆盖 metrics.edgeInset）",
+          "gap": 5,
+          "__comment_gap": "本行按键间距（覆盖 metrics.gap）",
+          "items": [
+            "digit:1", "digit:2", "digit:3", "digit:4", "digit:5",
+            "digit:6", "digit:7", "digit:8", "digit:9", "digit:0"
+          ],
+          "__comment_items": "本行按键列表；letter:x/digit:x/sym:x 或 keyDefs 中的 id"
+        },
+        {
+          "__comment": "数字第二行 - / : ; ( ) ￥ & @ “",
+          "align": "left",
+          "__comment_align": "对齐方式：left/center",
+          "insetLeft": 4,
+          "__comment_insetLeft": "本行左边距（覆盖 metrics.edgeInset）",
+          "insetRight": 4,
+          "__comment_insetRight": "本行右边距（覆盖 metrics.edgeInset）",
+          "gap": 5,
+          "__comment_gap": "本行按键间距（覆盖 metrics.gap）",
+          "items": [
+            "sym:-", "sym:/", "sym::", "sym:;", "sym:(",
+            "sym:)", "sym:￥", "sym:&", "sym:@", "sym:“"
+          ],
+          "__comment_items": "本行按键列表；letter:x/digit:x/sym:x 或 keyDefs 中的 id"
+        },
+        {
+          "__comment": "数字第三行：#+= / 中间符号 / 删除",
+          "align": "center",
+          "__comment_align": "对齐方式：left/center",
+          "insetLeft": 4,
+          "__comment_insetLeft": "本行左边距（覆盖 metrics.edgeInset）",
+          "insetRight": 4,
+          "__comment_insetRight": "本行右边距（覆盖 metrics.edgeInset）",
+          "gap": 5,
+          "__comment_gap": "本行按键间距（覆盖 metrics.gap）",
+          "segments": {
+            "__comment": "分段布局：left/center/right",
+            "left": [
+              { "id": "symbols_toggle_more", "width": "symbolsSideWidth", "__comment_id": "引用 keyDefs 的 id", "__comment_width": "宽度引用 metrics.symbolsSideWidth" }
+            ],
+            "__comment_left": "左侧切换按钮",
+            "center": [
+              { "id": "sym:.", "width": "symbolsWideWidth", "__comment_id": "符号键 id", "__comment_width": "宽度引用 metrics.symbolsWideWidth" },
+              { "id": "sym:,", "width": "symbolsWideWidth", "__comment_id": "符号键 id", "__comment_width": "宽度引用 metrics.symbolsWideWidth" },
+              { "id": "sym:?", "width": "symbolsWideWidth", "__comment_id": "符号键 id", "__comment_width": "宽度引用 metrics.symbolsWideWidth" },
+              { "id": "sym:!", "width": "symbolsWideWidth", "__comment_id": "符号键 id", "__comment_width": "宽度引用 metrics.symbolsWideWidth" },
+              { "id": "sym:‘", "width": "symbolsWideWidth", "__comment_id": "符号键 id", "__comment_width": "宽度引用 metrics.symbolsWideWidth" }
+            ],
+            "__comment_center": "中间符号键集合，整体居中",
+            "right": [
+              { "id": "backspace", "width": "symbolsSideWidth", "__comment_id": "引用 keyDefs 的 id", "__comment_width": "宽度引用 metrics.symbolsSideWidth" }
+            ],
+            "__comment_right": "右侧删除键"
+          }
+        },
+        {
+          "__comment": "数字第四行：ABC/emoji/space/send",
+          "align": "left",
+          "__comment_align": "对齐方式：left/center",
+          "insetLeft": 4,
+          "__comment_insetLeft": "本行左边距（覆盖 metrics.edgeInset）",
+          "insetRight": 4,
+          "__comment_insetRight": "本行右边距（覆盖 metrics.edgeInset）",
+          "gap": 5,
+          "__comment_gap": "本行按键间距（覆盖 metrics.gap）",
+          "items": [
+            "mode_abc", "emoji", "space", "send"
+          ],
+          "__comment_items": "本行按键列表；letter:x/digit:x/sym:x 或 keyDefs 中的 id"
+        }
+      ]
+    },
+    "symbolsMore": {
+      "__comment": "符号面板布局（#+= 页）",
+      "rows": [
+        {
+          "__comment": "符号第一行 [ ] { } # % ^ * + =",
+          "align": "left",
+          "__comment_align": "对齐方式：left/center",
+          "insetLeft": 4,
+          "__comment_insetLeft": "本行左边距（覆盖 metrics.edgeInset）",
+          "insetRight": 4,
+          "__comment_insetRight": "本行右边距（覆盖 metrics.edgeInset）",
+          "gap": 5,
+          "__comment_gap": "本行按键间距（覆盖 metrics.gap）",
+          "items": [
+            "sym:[", "sym:]", "sym:{", "sym:}", "sym:#",
+            "sym:%", "sym:^", "sym:*", "sym:+", "sym:="
+          ],
+          "__comment_items": "本行按键列表；letter:x/digit:x/sym:x 或 keyDefs 中的 id"
+        },
+        {
+          "__comment": "符号第二行 _ \\ | ~ < > € ￥ $ ·",
+          "align": "left",
+          "__comment_align": "对齐方式：left/center",
+          "insetLeft": 4,
+          "__comment_insetLeft": "本行左边距（覆盖 metrics.edgeInset）",
+          "insetRight": 4,
+          "__comment_insetRight": "本行右边距（覆盖 metrics.edgeInset）",
+          "gap": 5,
+          "__comment_gap": "本行按键间距（覆盖 metrics.gap）",
+          "items": [
+            "sym:_", "sym:\\", "sym:|", "sym:~", "sym:<",
+            "sym:>", "sym:€", "sym:￥", "sym:$", "sym:·"
+          ],
+          "__comment_items": "本行按键列表；letter:x/digit:x/sym:x 或 keyDefs 中的 id"
+        },
+        {
+          "__comment": "符号第三行：123 / 中间符号 / 删除",
+          "align": "center",
+          "__comment_align": "对齐方式：left/center",
+          "insetLeft": 4,
+          "__comment_insetLeft": "本行左边距（覆盖 metrics.edgeInset）",
+          "insetRight": 4,
+          "__comment_insetRight": "本行右边距（覆盖 metrics.edgeInset）",
+          "gap": 5,
+          "__comment_gap": "本行按键间距（覆盖 metrics.gap）",
+          "segments": {
+            "__comment": "分段布局：left/center/right",
+            "left": [
+              { "id": "symbols_toggle_123", "width": "symbolsSideWidth", "__comment_id": "引用 keyDefs 的 id", "__comment_width": "宽度引用 metrics.symbolsSideWidth" }
+            ],
+            "__comment_left": "左侧切换按钮",
+            "center": [
+              { "id": "sym:.", "width": "symbolsWideWidth", "__comment_id": "符号键 id", "__comment_width": "宽度引用 metrics.symbolsWideWidth" },
+              { "id": "sym:,", "width": "symbolsWideWidth", "__comment_id": "符号键 id", "__comment_width": "宽度引用 metrics.symbolsWideWidth" },
+              { "id": "sym:?", "width": "symbolsWideWidth", "__comment_id": "符号键 id", "__comment_width": "宽度引用 metrics.symbolsWideWidth" },
+              { "id": "sym:!", "width": "symbolsWideWidth", "__comment_id": "符号键 id", "__comment_width": "宽度引用 metrics.symbolsWideWidth" },
+              { "id": "sym:‘", "width": "symbolsWideWidth", "__comment_id": "符号键 id", "__comment_width": "宽度引用 metrics.symbolsWideWidth" }
+            ],
+            "__comment_center": "中间符号键集合，整体居中",
+            "right": [
+              { "id": "backspace", "width": "symbolsSideWidth", "__comment_id": "引用 keyDefs 的 id", "__comment_width": "宽度引用 metrics.symbolsSideWidth" }
+            ],
+            "__comment_right": "右侧删除键"
+          }
+        },
+        {
+          "__comment": "符号第四行：ABC/emoji/space/send",
+          "align": "left",
+          "__comment_align": "对齐方式：left/center",
+          "insetLeft": 4,
+          "__comment_insetLeft": "本行左边距（覆盖 metrics.edgeInset）",
+          "insetRight": 4,
+          "__comment_insetRight": "本行右边距（覆盖 metrics.edgeInset）",
+          "gap": 5,
+          "__comment_gap": "本行按键间距（覆盖 metrics.gap）",
+          "items": [
+            "mode_abc", "emoji", "space", "send"
+          ],
+          "__comment_items": "本行按键列表；letter:x/digit:x/sym:x 或 keyDefs 中的 id"
+        }
+      ]
+    }
+  }
+}

CustomKeyboard/Utils/KBBackspaceLongPressHandler.h

@@ -11,10 +11,10 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (instancetype)initWithContainerView:(UIView *)containerView;
 
-/// 配置删除按钮（包含长按删除；可选是否显示“立刻清空”提示）
+/// 配置删除按钮（包含长按删除；可选是否显示“上滑清空”提示）
 - (void)bindDeleteButton:(nullable UIView *)button showClearLabel:(BOOL)showClearLabel;
 
-/// 触发“立刻清空”逻辑（可用于功能面板的清空按钮）
+/// 触发“上滑清空”逻辑（可用于功能面板的清空按钮）
 - (void)performClearAction;
 
 @end

CustomKeyboard/Utils/KBBackspaceLongPressHandler.m

@@ -7,24 +7,25 @@
 #import "KBResponderUtils.h"
 #import "KBSkinManager.h"
 #import "KBBackspaceUndoManager.h"
+#import "KBInputBufferManager.h"
 
 static const NSTimeInterval kKBBackspaceLongPressMinDuration = 0.35;
 static const NSTimeInterval kKBBackspaceRepeatInterval = 0.06;
-static const NSTimeInterval kKBBackspaceChunkStartDelay = 1.0;
+static const NSTimeInterval kKBBackspaceChunkStartDelay = 0.6;
 static const NSTimeInterval kKBBackspaceChunkRepeatInterval = 0.1;
-static const NSTimeInterval kKBBackspaceChunkFastDelay = 1.4;
-static const NSInteger kKBBackspaceChunkSize = 6;
-static const NSInteger kKBBackspaceChunkSizeFast = 12;
+static const NSTimeInterval kKBBackspaceChunkFastDelay = 1.2;
+static const NSInteger kKBBackspaceChunkSize = 8;
+static const NSInteger kKBBackspaceChunkSizeFast = 16;
 static const CGFloat kKBBackspaceClearLabelCornerRadius = 8.0;
-static const CGFloat kKBBackspaceClearLabelHeight = 26.0;
+static const CGFloat kKBBackspaceClearLabelHeight = 34;
 static const CGFloat kKBBackspaceClearLabelPaddingX = 10.0;
 static const CGFloat kKBBackspaceClearLabelTopGap = 6.0;
 static const CGFloat kKBBackspaceClearLabelHorizontalInset = 6.0;
-static const NSInteger kKBBackspaceClearBatchSize = 24;
-static const NSTimeInterval kKBBackspaceClearBatchInterval = 0.005;
+static const NSTimeInterval kKBBackspaceClearBatchInterval = 0.02;
 static const NSInteger kKBBackspaceClearMaxDeletes = 10000;
 static const NSInteger kKBBackspaceClearEmptyContextMaxRounds = 40;
 static const NSInteger kKBBackspaceClearMaxStep = 80;
+static const NSInteger kKBBackspaceClearDeletesPerTick = 10;
 
 typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
     KBBackspaceChunkClassUnknown = 0,
@@ -34,6 +35,12 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
     KBBackspaceChunkClassOther
 };
 
+typedef NS_ENUM(NSInteger, KBClearPhase) {
+    KBClearPhaseSkipWhitespace = 0,
+    KBClearPhaseSkipTrailingBoundary,
+    KBClearPhaseDeleteUntilBoundary
+};
+
 @interface KBBackspaceLongPressHandler ()
 @property (nonatomic, weak) UIView *containerView;
 @property (nonatomic, weak) UIView *backspaceButton;
@@ -48,6 +55,9 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
 @property (nonatomic, assign) CGPoint backspaceLastTouchPointInSelf;
 @property (nonatomic, assign) NSUInteger backspaceClearToken;
 @property (nonatomic, strong) UILabel *backspaceClearLabel;
+@property (nonatomic, copy) NSString *pendingClearBefore;
+@property (nonatomic, copy) NSString *pendingClearAfter;
+@property (nonatomic, assign) KBClearPhase backspaceClearPhase;
 @end
 
 @implementation KBBackspaceLongPressHandler
@@ -55,6 +65,7 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
 - (instancetype)initWithContainerView:(UIView *)containerView {
     if (self = [super init]) {
         _containerView = containerView;
+        _backspaceClearPhase = KBClearPhaseSkipWhitespace;
     }
     return self;
 }
@@ -73,6 +84,8 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
     self.backspaceHasLastTouchPoint = NO;
     self.backspaceHoldToken += 1;
     [self kb_hideBackspaceClearLabel];
+    self.pendingClearBefore = nil;
+    self.pendingClearAfter = nil;
 
     if (!button) { return; }
 
@@ -99,7 +112,18 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
     }
     switch (gr.state) {
         case UIGestureRecognizerStateBegan: {
-            [[KBBackspaceUndoManager shared] registerNonClearAction];
+            UIResponder *start = (UIResponder *)([self kb_hostView] ?: self.backspaceButton);
+            UIInputViewController *ivc = KBFindInputViewController(start);
+            if (ivc) {
+                id<UITextDocumentProxy> proxy = ivc.textDocumentProxy;
+                [[KBInputBufferManager shared] refreshFromProxyIfPossible:proxy];
+                [[KBInputBufferManager shared] prepareSnapshotForDeleteWithContextBefore:proxy.documentContextBeforeInput
+                                                                                   after:proxy.documentContextAfterInput];
+            }
+            if (self.showClearLabelEnabled) {
+                [self kb_capturePendingClearSnapshotIfNeeded];
+                [[KBInputBufferManager shared] beginPendingClearSnapshot];
+            }
             self.backspaceHoldToken += 1;
             NSUInteger token = self.backspaceHoldToken;
             self.backspaceHoldActive = YES;
@@ -134,6 +158,7 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
     if (!ivc) { self.backspaceHoldActive = NO; return; }
     id<UITextDocumentProxy> proxy = ivc.textDocumentProxy;
     NSString *before = proxy.documentContextBeforeInput ?: @"";
+    if (before.length == 0) { before = [KBInputBufferManager shared].liveText ?: @""; }
     NSTimeInterval elapsed = [NSDate date].timeIntervalSinceReferenceDate - self.backspaceHoldStartTime;
     NSInteger deleteCount = 1;
     if (before.length > 0) {
@@ -145,9 +170,8 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
             [self kb_showBackspaceClearLabelIfNeeded];
         }
     }
-    for (NSInteger i = 0; i < deleteCount; i++) {
-        [proxy deleteBackward];
-    }
+    [[KBBackspaceUndoManager shared] captureAndDeleteBackwardFromProxy:proxy count:(NSUInteger)deleteCount];
+    [[KBInputBufferManager shared] applyHoldDeleteCount:(NSUInteger)deleteCount];
 
     NSTimeInterval interval = [self kb_backspaceRepeatIntervalForElapsed:elapsed];
     __weak typeof(self) weakSelf = self;
@@ -186,34 +210,77 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
         whitespaceSet = [NSCharacterSet whitespaceAndNewlineCharacterSet];
         asciiWordSet = [NSCharacterSet characterSetWithCharactersInString:
                         @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_"];
-        punctuationSet = [NSCharacterSet punctuationCharacterSet];
+        NSMutableCharacterSet *punct = [[NSCharacterSet punctuationCharacterSet] mutableCopy];
+        // 补齐常见中文/全角标点（避免 chunk 总是只删 1 个符号）
+        [punct addCharactersInString:@"，。！？；：、（）【】《》“”‘’·…—"];
+        punctuationSet = [punct copy];
     });
 
     __block NSInteger deleteCount = 0;
-    __block KBBackspaceChunkClass chunkClass = KBBackspaceChunkClassUnknown;
+    typedef NS_ENUM(NSInteger, KBBackspaceChunkPhase) {
+        KBBackspaceChunkPhaseWhitespace = 0,
+        KBBackspaceChunkPhasePunctuation,
+        KBBackspaceChunkPhaseCore
+    };
+    __block KBBackspaceChunkPhase phase = KBBackspaceChunkPhaseWhitespace;
+    __block KBBackspaceChunkClass coreClass = KBBackspaceChunkClassUnknown;
+
     [context enumerateSubstringsInRange:NSMakeRange(0, context.length)
                                 options:NSStringEnumerationByComposedCharacterSequences | NSStringEnumerationReverse
                              usingBlock:^(NSString *substring, __unused NSRange substringRange, __unused NSRange enclosingRange, BOOL *stop) {
         if (substring.length == 0) { return; }
-        KBBackspaceChunkClass currentClass = KBBackspaceChunkClassOther;
-        if ([substring rangeOfCharacterFromSet:whitespaceSet].location != NSNotFound) {
-            currentClass = KBBackspaceChunkClassWhitespace;
-        } else if ([substring rangeOfCharacterFromSet:asciiWordSet].location != NSNotFound) {
-            currentClass = KBBackspaceChunkClassASCIIWord;
-        } else if ([substring rangeOfCharacterFromSet:punctuationSet].location != NSNotFound) {
-            currentClass = KBBackspaceChunkClassPunctuation;
-        }
-
-        if (chunkClass == KBBackspaceChunkClassUnknown) {
-            chunkClass = currentClass;
-        } else if (chunkClass != currentClass) {
+        if (deleteCount >= maxCount) {
             *stop = YES;
             return;
         }
 
-        deleteCount += 1;
+        KBBackspaceChunkClass currentClass = KBBackspaceChunkClassOther;
+        if ([substring rangeOfCharacterFromSet:whitespaceSet].location != NSNotFound) {
+            currentClass = KBBackspaceChunkClassWhitespace;
+        } else if ([substring rangeOfCharacterFromSet:punctuationSet].location != NSNotFound) {
+            currentClass = KBBackspaceChunkClassPunctuation;
+        } else if ([substring rangeOfCharacterFromSet:asciiWordSet].location != NSNotFound) {
+            currentClass = KBBackspaceChunkClassASCIIWord;
+        }
+
+        BOOL consumed = NO;
+        while (!consumed) {
+            if (phase == KBBackspaceChunkPhaseWhitespace) {
+                if (currentClass == KBBackspaceChunkClassWhitespace) {
+                    deleteCount += 1;
+                    consumed = YES;
+                } else {
+                    phase = KBBackspaceChunkPhasePunctuation;
+                }
+                continue;
+            }
+
+            if (phase == KBBackspaceChunkPhasePunctuation) {
+                if (currentClass == KBBackspaceChunkClassPunctuation) {
+                    deleteCount += 1;
+                    consumed = YES;
+                } else {
+                    phase = KBBackspaceChunkPhaseCore;
+                }
+                continue;
+            }
+
+            // phase == Core：连续删同一类（ASCII 单词 / 其它），让效果更像微信“几个字一组”
+            if (coreClass == KBBackspaceChunkClassUnknown) {
+                coreClass = currentClass;
+            }
+            if (currentClass != coreClass) {
+                *stop = YES;
+                consumed = YES;
+                continue;
+            }
+            deleteCount += 1;
+            consumed = YES;
+        }
+
         if (deleteCount >= maxCount) {
             *stop = YES;
+            return;
         }
     }];
 
@@ -222,13 +289,16 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
 
 - (NSInteger)kb_clearDeleteCountForContext:(NSString *)context
                                hitBoundary:(BOOL *)hitBoundary {
-    if (context.length == 0) { return kKBBackspaceClearBatchSize; }
+    if (context.length == 0) {
+        if (hitBoundary) { *hitBoundary = NO; }
+        return 1;
+    }
 
     static NSCharacterSet *sentenceBoundarySet = nil;
     static NSCharacterSet *whitespaceSet = nil;
     static dispatch_once_t onceToken;
     dispatch_once(&onceToken, ^{
-        sentenceBoundarySet = [NSCharacterSet characterSetWithCharactersInString:@".!?;。！？；…\n"];
+        sentenceBoundarySet = [NSCharacterSet characterSetWithCharactersInString:@".!?。！？"];
         whitespaceSet = [NSCharacterSet whitespaceAndNewlineCharacterSet];
     });
 
@@ -303,6 +373,12 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
             shouldClear = [self kb_isPointInsideBackspaceClearLabel:point];
         }
     }
+#if DEBUG
+    NSLog(@"[kb_handleBackspaceLongPressEnded] shouldClear=%@ highlighted=%@ labelHidden=%@",
+          shouldClear ? @"YES" : @"NO",
+          self.backspaceClearHighlighted ? @"YES" : @"NO",
+          self.backspaceClearLabel.hidden ? @"YES" : @"NO");
+#endif
     self.backspaceHoldActive = NO;
     self.backspaceChunkModeActive = NO;
     self.backspaceHoldToken += 1;
@@ -310,6 +386,11 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
     [self kb_hideBackspaceClearLabel];
     if (shouldClear) {
         [self kb_clearAllInput];
+    } else {
+        self.pendingClearBefore = nil;
+        self.pendingClearAfter = nil;
+        [[KBInputBufferManager shared] clearPendingClearSnapshot];
+        [[KBInputBufferManager shared] commitLiveToManual];
     }
 }
 
@@ -401,9 +482,9 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
 - (UILabel *)backspaceClearLabel {
     if (!_backspaceClearLabel) {
         UILabel *label = [[UILabel alloc] initWithFrame:CGRectZero];
-        label.text = @"立刻清空";
+        label.text = KBLocalized(@"Clear");
         label.textAlignment = NSTextAlignmentCenter;
-        label.font = [UIFont systemFontOfSize:12 weight:UIFontWeightSemibold];
+        label.font = [UIFont systemFontOfSize:16 weight:UIFontWeightSemibold];
         label.textColor = [KBSkinManager shared].current.keyTextColor ?: UIColor.blackColor;
         label.backgroundColor = [self kb_backspaceClearLabelNormalColor];
         label.layer.cornerRadius = kKBBackspaceClearLabelCornerRadius;
@@ -421,10 +502,14 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
     UIResponder *start = (UIResponder *)([self kb_hostView] ?: self.backspaceButton);
     UIInputViewController *ivc = KBFindInputViewController(start);
     if (ivc) {
-        NSString *before = ivc.textDocumentProxy.documentContextBeforeInput ?: @"";
-        [[KBBackspaceUndoManager shared] recordClearWithContext:before];
+        id<UITextDocumentProxy> proxy = ivc.textDocumentProxy;
+        [[KBInputBufferManager shared] refreshFromProxyIfPossible:proxy];
     }
+    self.pendingClearBefore = nil;
+    self.pendingClearAfter = nil;
+    [[KBInputBufferManager shared] clearPendingClearSnapshot];
     self.backspaceClearToken += 1;
+    self.backspaceClearPhase = KBClearPhaseSkipWhitespace;
     NSUInteger token = self.backspaceClearToken;
     [self kb_clearAllInputStepForToken:token guard:0 emptyRounds:0];
 }
@@ -437,40 +522,101 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
     UIInputViewController *ivc = KBFindInputViewController(start);
     if (!ivc) { return; }
     id<UITextDocumentProxy> proxy = ivc.textDocumentProxy;
-    NSString *before = proxy.documentContextBeforeInput ?: @"";
-    NSInteger count = before.length;
-    NSInteger batch = 0;
     NSInteger nextEmptyRounds = emptyRounds;
-    BOOL hitBoundary = NO;
-    if (count > 0) {
-        batch = [self kb_clearDeleteCountForContext:before hitBoundary:&hitBoundary];
-        nextEmptyRounds = 0;
-    } else {
-        batch = kKBBackspaceClearBatchSize;
-        nextEmptyRounds = emptyRounds + 1;
-    }
-    if (batch <= 0) { batch = 1; }
+    static NSCharacterSet *stopBoundarySet = nil;
+    static NSCharacterSet *trailingBoundarySet = nil;
+    static NSCharacterSet *trailingWhitespaceSet = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        // stopBoundary: 遇到这些符号就停（不删除它）
+        // - 句末符号：. ! ? 。！？
+        // - 省略号：…（中文里“……”常用作句/段落的停顿）
+        // - 换行：\n \r（段落边界，避免一次“清空”跨段把全文删完）
+        stopBoundarySet = [NSCharacterSet characterSetWithCharactersInString:@".!?。！？…\n\r\u2028\u2029"];
 
-    if (guard >= kKBBackspaceClearMaxDeletes ||
-        nextEmptyRounds > kKBBackspaceClearEmptyContextMaxRounds) {
+        // trailingBoundary: 允许作为“尾部句末符号”先删掉，再继续删上一句（更接近微信体验）
+        // 注意：不要把换行/省略号放进来，否则可能跨段/跨停顿继续删。
+        trailingBoundarySet = [NSCharacterSet characterSetWithCharactersInString:@".!?。！？"];
+
+        // trailingWhitespace: 只跳过空格/Tab（不包含换行，换行由 stopBoundarySet 处理）
+        trailingWhitespaceSet = [NSCharacterSet whitespaceCharacterSet];
+    });
+    KBClearPhase phase = self.backspaceClearPhase;
+
+    NSInteger deletedThisTick = 0;
+    BOOL shouldStop = NO;
+    NSString *lastBefore = nil;
+    for (NSInteger i = 0; i < kKBBackspaceClearDeletesPerTick; i++) {
+        NSString *before = proxy.documentContextBeforeInput ?: @"";
+        if (before.length == 0) {
+            nextEmptyRounds += 1;
+            // 宿主（微信/QQ 等）可能在长文本场景下返回空 context，即使还有很多内容。
+            // 为了避免一次“清空”误删全文：一旦拿不到 before，就立刻停止本次清空。
+            shouldStop = YES;
+            break;
+        }
+        nextEmptyRounds = 0;
+
+        if (lastBefore && [before isEqualToString:lastBefore] && deletedThisTick > 0) {
+            // 宿主未及时刷新 context，留到下一 tick 再继续，避免越界/重复记录
+            break;
+        }
+        lastBefore = before;
+
+        // 取最后一个组合字符
+        __block NSString *lastChar = @"";
+        [before enumerateSubstringsInRange:NSMakeRange(0, before.length)
+                                   options:NSStringEnumerationByComposedCharacterSequences | NSStringEnumerationReverse
+                                usingBlock:^(NSString *substring, __unused NSRange substringRange, __unused NSRange enclosingRange, BOOL *stop) {
+            lastChar = substring ?: @"";
+            *stop = YES;
+        }];
+        if (lastChar.length == 0) { break; }
+
+        BOOL isWhitespace = ([lastChar rangeOfCharacterFromSet:trailingWhitespaceSet].location != NSNotFound);
+        BOOL isStopBoundary = ([lastChar rangeOfCharacterFromSet:stopBoundarySet].location != NSNotFound);
+        BOOL isTrailingBoundary = ([lastChar rangeOfCharacterFromSet:trailingBoundarySet].location != NSNotFound);
+
+        if (phase == KBClearPhaseSkipWhitespace) {
+            if (isWhitespace) {
+                [[KBBackspaceUndoManager shared] captureAndDeleteBackwardFromProxy:proxy count:1];
+                [[KBInputBufferManager shared] applyClearDeleteCount:1];
+                deletedThisTick += 1;
+                continue;
+            }
+            phase = KBClearPhaseSkipTrailingBoundary;
+        }
+
+        if (phase == KBClearPhaseSkipTrailingBoundary) {
+            if (isTrailingBoundary) {
+                [[KBBackspaceUndoManager shared] captureAndDeleteBackwardFromProxy:proxy count:1];
+                [[KBInputBufferManager shared] applyClearDeleteCount:1];
+                deletedThisTick += 1;
+                continue;
+            }
+            phase = KBClearPhaseDeleteUntilBoundary;
+        }
+
+        // phase == DeleteUntilBoundary
+        if (isStopBoundary) {
+            shouldStop = YES; // 保留该句末符号
+            break;
+        }
+        [[KBBackspaceUndoManager shared] captureAndDeleteBackwardFromProxy:proxy count:1];
+        [[KBInputBufferManager shared] applyClearDeleteCount:1];
+        deletedThisTick += 1;
+        if (guard + deletedThisTick >= kKBBackspaceClearMaxDeletes) { break; }
+        if (deletedThisTick >= kKBBackspaceClearMaxStep) { break; }
+    }
+
+    self.backspaceClearPhase = phase;
+    NSInteger nextGuard = guard + deletedThisTick;
+    if (nextGuard >= kKBBackspaceClearMaxDeletes ||
+        nextEmptyRounds > kKBBackspaceClearEmptyContextMaxRounds ||
+        shouldStop) {
         return;
     }
 
-    for (NSInteger i = 0; i < batch; i++) {
-        [proxy deleteBackward];
-    }
-
-    NSInteger nextGuard = guard + batch;
-    BOOL shouldContinue = NO;
-    if (count > 0 && !hitBoundary) {
-        if (count > batch) {
-            shouldContinue = YES;
-        } else if ([proxy hasText]) {
-            shouldContinue = YES;
-        }
-    }
-
-    if (!shouldContinue) { return; }
     __weak typeof(self) weakSelf = self;
     dispatch_after(dispatch_time(DISPATCH_TIME_NOW,
                                  (int64_t)(kKBBackspaceClearBatchInterval * NSEC_PER_SEC)),
@@ -489,4 +635,28 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
     return self.backspaceButton.superview;
 }
 
+- (void)kb_captureDeletionSnapshotIfNeeded {
+    if ([KBBackspaceUndoManager shared].hasUndo) { return; }
+    UIResponder *start = (UIResponder *)([self kb_hostView] ?: self.backspaceButton);
+    UIInputViewController *ivc = KBFindInputViewController(start);
+    if (!ivc) { return; }
+    id<UITextDocumentProxy> proxy = ivc.textDocumentProxy;
+    [[KBBackspaceUndoManager shared] recordDeletionSnapshotBefore:proxy.documentContextBeforeInput
+                                                             after:proxy.documentContextAfterInput];
+}
+
+- (void)kb_capturePendingClearSnapshotIfNeeded {
+    if (self.pendingClearBefore.length > 0 || self.pendingClearAfter.length > 0) { return; }
+    UIResponder *start = (UIResponder *)([self kb_hostView] ?: self.backspaceButton);
+    UIInputViewController *ivc = KBFindInputViewController(start);
+    if (!ivc) { return; }
+    id<UITextDocumentProxy> proxy = ivc.textDocumentProxy;
+    self.pendingClearBefore = proxy.documentContextBeforeInput ?: @"";
+    self.pendingClearAfter = proxy.documentContextAfterInput ?: @"";
+#if DEBUG
+    NSLog(@"[kb_capturePendingClearSnapshotIfNeeded/before] len=%lu text=%@", (unsigned long)self.pendingClearBefore.length, self.pendingClearBefore);
+    NSLog(@"[kb_capturePendingClearSnapshotIfNeeded/after] len=%lu text=%@", (unsigned long)self.pendingClearAfter.length, self.pendingClearAfter);
+#endif
+}
+
 @end

CustomKeyboard/Utils/KBBackspaceUndoManager.h

@@ -15,13 +15,19 @@ extern NSNotificationName const KBBackspaceUndoStateDidChangeNotification;
 
 + (instancetype)shared;
 
-/// 记录一次“立刻清空”删除的内容（基于 documentContextBeforeInput）
-- (void)recordClearWithContext:(NSString *)context;
+/// 记录一次删除前的快照（不改变撤销按钮显示）。
+- (void)recordDeletionSnapshotBefore:(NSString *)before after:(NSString *)after;
+
+/// 记录一次“立刻清空”删除的内容（基于 documentContextBeforeInput/AfterInput）。
+- (void)recordClearWithContextBefore:(NSString *)before after:(NSString *)after;
+
+/// 记录本次将被 deleteBackward 的内容，并执行 deleteBackward（支持多次累计，撤销时一次性插回）。
+- (void)captureAndDeleteBackwardFromProxy:(id<UITextDocumentProxy>)proxy count:(NSUInteger)count;
 
 /// 在指定 responder 处执行撤销（向光标处插回删除的内容）
 - (void)performUndoFromResponder:(UIResponder *)responder;
 
-/// 非清空行为触发时，清理撤销状态
+/// 非删除行为触发时，清理撤销状态
 - (void)registerNonClearAction;
 
 @end

CustomKeyboard/Utils/KBBackspaceUndoManager.m

@@ -5,13 +5,38 @@
 
 #import "KBBackspaceUndoManager.h"
 #import "KBResponderUtils.h"
+#import "KBInputBufferManager.h"
 
 NSNotificationName const KBBackspaceUndoStateDidChangeNotification = @"KBBackspaceUndoStateDidChangeNotification";
 
+#if DEBUG
+static NSString *KBLogString(NSString *tag, NSString *text) {
+    NSString *safeTag = tag ?: @"";
+    NSString *safeText = text ?: @"";
+    if (safeText.length <= 2000) {
+        return [NSString stringWithFormat:@"[%@] len=%lu text=%@", safeTag, (unsigned long)safeText.length, safeText];
+    }
+    NSString *head = [safeText substringToIndex:800];
+    NSString *tail = [safeText substringFromIndex:safeText.length - 800];
+    return [NSString stringWithFormat:@"[%@] len=%lu head=%@ ... tail=%@", safeTag, (unsigned long)safeText.length, head, tail];
+}
+#define KB_UNDO_LOG(tag, text) NSLog(@"%@", KBLogString((tag), (text)))
+#else
+#define KB_UNDO_LOG(tag, text) do {} while(0)
+#endif
+
+typedef NS_ENUM(NSInteger, KBUndoSnapshotSource) {
+    KBUndoSnapshotSourceNone = 0,
+    KBUndoSnapshotSourceDeletionSnapshot,
+    KBUndoSnapshotSourceClear
+};
+
 @interface KBBackspaceUndoManager ()
-@property (nonatomic, strong) NSMutableArray<NSString *> *segments; // deletion order (last -> first)
-@property (nonatomic, assign) BOOL lastActionWasClear;
+@property (nonatomic, copy) NSString *undoText;
+@property (nonatomic, assign) NSInteger undoAfterLength;
 @property (nonatomic, assign) BOOL hasUndo;
+@property (nonatomic, assign) KBUndoSnapshotSource snapshotSource;
+@property (nonatomic, strong) NSMutableArray<NSString *> *undoDeletedPieces;
 @end
 
 @implementation KBBackspaceUndoManager
@@ -27,42 +52,191 @@ NSNotificationName const KBBackspaceUndoStateDidChangeNotification = @"KBBackspa
 
 - (instancetype)init {
     if (self = [super init]) {
-        _segments = [NSMutableArray array];
+        _undoText = @"";
+        _undoAfterLength = 0;
+        _snapshotSource = KBUndoSnapshotSourceNone;
+        _undoDeletedPieces = [NSMutableArray array];
     }
     return self;
 }
 
-- (void)recordClearWithContext:(NSString *)context {
-    if (context.length == 0) { return; }
-    NSString *segment = [self kb_segmentForClearFromContext:context];
-    if (segment.length == 0) { return; }
+- (void)captureAndDeleteBackwardFromProxy:(id<UITextDocumentProxy>)proxy count:(NSUInteger)count {
+    if (!proxy || count == 0) { return; }
 
-    if (!self.lastActionWasClear) {
-        [self.segments removeAllObjects];
+    NSString *selected = proxy.selectedText ?: @"";
+    NSString *ctxBefore = proxy.documentContextBeforeInput ?: @"";
+    NSString *ctxAfter = proxy.documentContextAfterInput ?: @"";
+    NSUInteger ctxLen = ctxBefore.length + ctxAfter.length;
+    BOOL isSelectAllLike = (selected.length > 0 &&
+                            (ctxLen == 0 || selected.length >= MAX((NSUInteger)40, ctxLen * 2)));
+    if (isSelectAllLike) {
+        // “全选删除”在微信/QQ中通常拿不到可靠的全文，因此禁用撤销，避免插回错误/不完整内容。
+        if (self.hasUndo) {
+            [self registerNonClearAction];
+        }
+#if DEBUG
+        KB_UNDO_LOG(@"captureAndDelete/selectAllDisableUndo", selected);
+#endif
+        [proxy deleteBackward];
+        [[KBInputBufferManager shared] resetWithText:@""];
+        return;
     }
-    [self.segments addObject:segment];
-    self.lastActionWasClear = YES;
+
+    if (!self.hasUndo) {
+        [self.undoDeletedPieces removeAllObjects];
+        self.undoText = @"";
+        self.undoAfterLength = 0;
+        self.snapshotSource = KBUndoSnapshotSourceDeletionSnapshot;
+        [self kb_updateHasUndo:YES];
+    }
+
+    BOOL didAppend = NO;
+    NSString *lastObservedBefore = nil;
+    for (NSUInteger i = 0; i < count; i++) {
+        NSString *before = proxy.documentContextBeforeInput ?: @"";
+        if (before.length > 0) {
+            // 若宿主在同一 runloop 内不更新 context，则跳过记录，避免把同一个字符重复记录成“多句”。
+            if (lastObservedBefore && [before isEqualToString:lastObservedBefore]) {
+                // still delete, but don't record
+            } else {
+                NSString *piece = [self kb_lastComposedCharacterFromString:before];
+                if (piece.length > 0) {
+                    [self.undoDeletedPieces addObject:piece];
+                    didAppend = YES;
+                }
+                lastObservedBefore = before;
+            }
+        }
+        [proxy deleteBackward];
+    }
+
+#if DEBUG
+    if (didAppend) {
+        NSUInteger piecesCount = self.undoDeletedPieces.count;
+        if (piecesCount <= 20) {
+            KB_UNDO_LOG(@"captureAndDelete/undoInsertTextNow", [self kb_buildUndoInsertTextFromPieces]);
+        } else if (piecesCount % 50 == 0) {
+            NSString *lastPiece = self.undoDeletedPieces.lastObject ?: @"";
+            NSLog(@"[captureAndDelete/undoPieces] pieces=%lu lastPiece=%@",
+                  (unsigned long)piecesCount,
+                  lastPiece);
+        }
+    }
+#endif
+}
+
+- (void)recordDeletionSnapshotBefore:(NSString *)before after:(NSString *)after {
+    if (self.hasUndo) { return; }
+    NSString *pending = [KBInputBufferManager shared].pendingClearSnapshot;
+    NSString *manual = [KBInputBufferManager shared].manualSnapshot;
+    NSString *fallbackText = (pending.length > 0) ? pending : ((manual.length > 0) ? manual : [KBInputBufferManager shared].liveText);
+    if (fallbackText.length > 0) {
+        self.undoText = fallbackText;
+        self.undoAfterLength = 0;
+        self.snapshotSource = KBUndoSnapshotSourceDeletionSnapshot;
+        KB_UNDO_LOG(@"recordDeletionSnapshot/fallback", self.undoText);
+        [self kb_updateHasUndo:YES];
+        return;
+    }
+    NSString *safeBefore = before ?: @"";
+    NSString *safeAfter = after ?: @"";
+    NSString *full = [safeBefore stringByAppendingString:safeAfter];
+    if (full.length == 0) { return; }
+    self.undoText = full;
+    self.undoAfterLength = (NSInteger)safeAfter.length;
+    self.snapshotSource = KBUndoSnapshotSourceDeletionSnapshot;
+    KB_UNDO_LOG(@"recordDeletionSnapshot/context", self.undoText);
+    [self kb_updateHasUndo:YES];
+}
+
+- (void)recordClearWithContextBefore:(NSString *)before after:(NSString *)after {
+    NSString *pending = [KBInputBufferManager shared].pendingClearSnapshot;
+    NSString *manual = [KBInputBufferManager shared].manualSnapshot;
+    NSString *fallbackText = (pending.length > 0) ? pending : ((manual.length > 0) ? manual : [KBInputBufferManager shared].liveText);
+
+    NSString *safeBefore = before ?: @"";
+    NSString *safeAfter = after ?: @"";
+    NSString *contextText = [[safeBefore stringByAppendingString:safeAfter] copy];
+
+    NSString *candidate = (fallbackText.length > 0) ? fallbackText : contextText;
+    NSInteger candidateAfterLen = (fallbackText.length > 0) ? 0 : (NSInteger)safeAfter.length;
+
+    if (candidate.length == 0) { return; }
+
+    KB_UNDO_LOG(@"recordClear/candidate", candidate);
+
+    if (self.undoText.length > 0) {
+        if (self.snapshotSource == KBUndoSnapshotSourceClear) {
+            KB_UNDO_LOG(@"recordClear/ignored(alreadyClear)", self.undoText);
+            [self kb_updateHasUndo:YES];
+            return;
+        }
+        if (self.snapshotSource == KBUndoSnapshotSourceDeletionSnapshot) {
+            if (candidate.length > self.undoText.length) {
+                self.undoText = candidate;
+                self.undoAfterLength = candidateAfterLen;
+                KB_UNDO_LOG(@"recordClear/upgradedFromDeletion", self.undoText);
+            } else {
+                KB_UNDO_LOG(@"recordClear/keepDeletionSnapshot", self.undoText);
+            }
+            self.snapshotSource = KBUndoSnapshotSourceClear;
+            [self kb_updateHasUndo:YES];
+            return;
+        }
+    }
+
+    self.undoText = candidate;
+    self.undoAfterLength = candidateAfterLen;
+    self.snapshotSource = KBUndoSnapshotSourceClear;
+    KB_UNDO_LOG(@"recordClear/set", self.undoText);
     [self kb_updateHasUndo:YES];
 }
 
 - (void)performUndoFromResponder:(UIResponder *)responder {
-    if (self.segments.count == 0) { return; }
+    if (!self.hasUndo) { return; }
     UIInputViewController *ivc = KBFindInputViewController(responder);
     if (!ivc) { return; }
     id<UITextDocumentProxy> proxy = ivc.textDocumentProxy;
-    NSString *text = [self kb_buildUndoText];
-    if (text.length == 0) { return; }
-    [proxy insertText:text];
-
-    [self.segments removeAllObjects];
-    self.lastActionWasClear = NO;
+    NSString *curBefore = proxy.documentContextBeforeInput ?: @"";
+    NSString *curAfter = proxy.documentContextAfterInput ?: @"";
+    KB_UNDO_LOG(@"performUndo/currentBefore", curBefore);
+    KB_UNDO_LOG(@"performUndo/currentAfter", curAfter);
+    NSString *insertText = [self kb_buildUndoInsertTextFromPieces];
+    if (insertText.length > 0) {
+        KB_UNDO_LOG(@"performUndo/insertDeletedText", insertText);
+        [proxy insertText:insertText];
+        [[KBInputBufferManager shared] appendText:insertText];
+    } else if (self.undoText.length > 0) {
+        KB_UNDO_LOG(@"performUndo/fallbackUndoText", self.undoText);
+        [self kb_clearAllTextForProxy:proxy];
+        [proxy insertText:self.undoText];
+        if (self.undoAfterLength > 0 &&
+            [proxy respondsToSelector:@selector(adjustTextPositionByCharacterOffset:)]) {
+            [proxy adjustTextPositionByCharacterOffset:-self.undoAfterLength];
+        }
+        [[KBInputBufferManager shared] resetWithText:self.undoText];
+    } else {
+        return;
+    }
+    self.undoText = @"";
+    self.undoAfterLength = 0;
+    self.snapshotSource = KBUndoSnapshotSourceNone;
+    [self.undoDeletedPieces removeAllObjects];
     [self kb_updateHasUndo:NO];
 }
 
 - (void)registerNonClearAction {
-    self.lastActionWasClear = NO;
-    if (self.segments.count == 0) { return; }
-    [self.segments removeAllObjects];
+    if (!self.hasUndo) { return; }
+    if (self.undoText.length > 0) {
+        KB_UNDO_LOG(@"registerNonClearAction/clearUndoText", self.undoText);
+    }
+    if (self.undoDeletedPieces.count > 0) {
+        KB_UNDO_LOG(@"registerNonClearAction/clearDeletedPieces", [self kb_buildUndoInsertTextFromPieces]);
+    }
+    self.undoText = @"";
+    self.undoAfterLength = 0;
+    self.snapshotSource = KBUndoSnapshotSourceNone;
+    [self.undoDeletedPieces removeAllObjects];
     [self kb_updateHasUndo:NO];
 }
 
@@ -74,97 +248,57 @@ NSNotificationName const KBBackspaceUndoStateDidChangeNotification = @"KBBackspa
     [[NSNotificationCenter defaultCenter] postNotificationName:KBBackspaceUndoStateDidChangeNotification object:self];
 }
 
-- (NSString *)kb_segmentForClearFromContext:(NSString *)context {
-    NSInteger length = context.length;
-    if (length == 0) { return @""; }
+- (NSString *)kb_lastComposedCharacterFromString:(NSString *)text {
+     if (text.length == 0) { return @""; }
+     __block NSString *last = @"";
+     [text enumerateSubstringsInRange:NSMakeRange(0, text.length)
+                              options:NSStringEnumerationByComposedCharacterSequences | NSStringEnumerationReverse
+                           usingBlock:^(NSString *substring, __unused NSRange substringRange, __unused NSRange enclosingRange, BOOL *stop) {
+         last = substring ?: @"";
+         *stop = YES;
+     }];
+     return last ?: @"";
+ }
 
-    static NSCharacterSet *sentenceBoundarySet = nil;
-    static NSCharacterSet *whitespaceSet = nil;
-    static dispatch_once_t onceToken;
-    dispatch_once(&onceToken, ^{
-        sentenceBoundarySet = [NSCharacterSet characterSetWithCharactersInString:@".!?;。！？；…\n"];
-        whitespaceSet = [NSCharacterSet whitespaceAndNewlineCharacterSet];
-    });
-
-    NSInteger end = length;
-    while (end > 0) {
-        unichar ch = [context characterAtIndex:end - 1];
-        if ([whitespaceSet characterIsMember:ch]) {
-            end -= 1;
-        } else {
-            break;
-        }
-    }
-    NSInteger searchEnd = end;
-    while (searchEnd > 0) {
-        unichar ch = [context characterAtIndex:searchEnd - 1];
-        if ([sentenceBoundarySet characterIsMember:ch]) {
-            searchEnd -= 1;
-        } else {
-            break;
-        }
-    }
-
-    NSInteger boundaryIndex = NSNotFound;
-    for (NSInteger i = searchEnd - 1; i >= 0; i--) {
-        unichar ch = [context characterAtIndex:i];
-        if ([sentenceBoundarySet characterIsMember:ch]) {
-            boundaryIndex = i;
-            break;
-        }
-    }
-
-    NSInteger start = (boundaryIndex == NSNotFound) ? 0 : (boundaryIndex + 1);
-    if (start >= length) { return @""; }
-    return [context substringFromIndex:start];
-}
-
-- (NSString *)kb_buildUndoText {
-    if (self.segments.count == 0) { return @""; }
-    NSArray<NSString *> *ordered = [[self.segments reverseObjectEnumerator] allObjects];
+- (NSString *)kb_buildUndoInsertTextFromPieces {
+    if (self.undoDeletedPieces.count == 0) { return @""; }
     NSMutableString *result = [NSMutableString string];
-    for (NSInteger i = 0; i < ordered.count; i++) {
-        NSString *segment = ordered[i] ?: @"";
-        if (segment.length == 0) { continue; }
-        if (i < ordered.count - 1) {
-            segment = [self kb_replaceTrailingBoundaryWithComma:segment];
-        }
-        [result appendString:segment];
-    }
-    return result;
-}
+    for (NSInteger i = (NSInteger)self.undoDeletedPieces.count - 1; i >= 0; i--) {
+         NSString *piece = self.undoDeletedPieces[(NSUInteger)i] ?: @"";
+         if (piece.length == 0) { continue; }
+         [result appendString:piece];
+     }
+     return result;
+ }
 
-- (NSString *)kb_replaceTrailingBoundaryWithComma:(NSString *)segment {
-    if (segment.length == 0) { return segment; }
+static const NSInteger kKBUndoClearMaxRounds = 200;
 
-    static NSCharacterSet *boundarySet = nil;
-    static NSCharacterSet *englishBoundarySet = nil;
-    static NSCharacterSet *whitespaceSet = nil;
-    static dispatch_once_t onceToken;
-    dispatch_once(&onceToken, ^{
-        boundarySet = [NSCharacterSet characterSetWithCharactersInString:@".!?;。！？；…\n"];
-        englishBoundarySet = [NSCharacterSet characterSetWithCharactersInString:@".!?;"];
-        whitespaceSet = [NSCharacterSet whitespaceAndNewlineCharacterSet];
-    });
+- (void)kb_clearAllTextForProxy:(id<UITextDocumentProxy>)proxy {
+    if (!proxy) { return; }
 
-    NSInteger idx = segment.length - 1;
-    while (idx >= 0) {
-        unichar ch = [segment characterAtIndex:idx];
-        if ([whitespaceSet characterIsMember:ch]) {
-            idx -= 1;
-            continue;
+    if ([proxy respondsToSelector:@selector(adjustTextPositionByCharacterOffset:)]) {
+        NSInteger guard = 0;
+        NSString *contextAfter = proxy.documentContextAfterInput ?: @"";
+        while (contextAfter.length > 0 && guard < kKBUndoClearMaxRounds) {
+            NSInteger offset = (NSInteger)contextAfter.length;
+            [proxy adjustTextPositionByCharacterOffset:offset];
+            for (NSUInteger i = 0; i < contextAfter.length; i++) {
+                [proxy deleteBackward];
+            }
+            guard += 1;
+            contextAfter = proxy.documentContextAfterInput ?: @"";
         }
-        if (![boundarySet characterIsMember:ch]) {
-            return segment;
-        }
-        NSString *comma = [englishBoundarySet characterIsMember:ch] ? @"," : @"，";
-        NSMutableString *mutable = [segment mutableCopy];
-        NSRange r = NSMakeRange(idx, 1);
-        [mutable replaceCharactersInRange:r withString:comma];
-        return mutable;
     }
 
-    return segment;
+    NSInteger guard = 0;
+    NSString *contextBefore = proxy.documentContextBeforeInput ?: @"";
+    while (contextBefore.length > 0 && guard < kKBUndoClearMaxRounds) {
+        for (NSUInteger i = 0; i < contextBefore.length; i++) {
+            [proxy deleteBackward];
+        }
+        guard += 1;
+        contextBefore = proxy.documentContextBeforeInput ?: @"";
+    }
 }
 
 @end

CustomKeyboard/Utils/KBInputBufferManager.h

@@ -0,0 +1,34 @@
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@protocol UITextDocumentProxy;
+
+@interface KBInputBufferManager : NSObject
+
++ (instancetype)shared;
+
+@property (nonatomic, copy, readonly) NSString *liveText;
+@property (nonatomic, copy, readonly) NSString *manualSnapshot;
+@property (nonatomic, copy, readonly) NSString *pendingClearSnapshot;
+
+- (void)seedIfEmptyWithContextBefore:(nullable NSString *)before after:(nullable NSString *)after;
+- (void)updateFromExternalContextBefore:(nullable NSString *)before after:(nullable NSString *)after;
+- (void)refreshFromProxyIfPossible:(nullable id<UITextDocumentProxy>)proxy;
+- (void)prepareSnapshotForDeleteWithContextBefore:(nullable NSString *)before
+                                            after:(nullable NSString *)after;
+- (void)beginPendingClearSnapshot;
+- (void)clearPendingClearSnapshot;
+- (void)resetWithText:(NSString *)text;
+- (void)appendText:(NSString *)text;
+- (void)deleteBackwardByCount:(NSUInteger)count;
+- (void)replaceTailWithText:(NSString *)text deleteCount:(NSUInteger)count;
+- (void)applyHoldDeleteCount:(NSUInteger)count;
+- (void)applyClearDeleteCount:(NSUInteger)count;
+- (void)clearAllLiveText;
+- (void)commitLiveToManual;
+- (void)restoreManualSnapshot;
+
+@end
+
+NS_ASSUME_NONNULL_END

CustomKeyboard/Utils/KBInputBufferManager.m

@@ -0,0 +1,279 @@
+#import "KBInputBufferManager.h"
+#import <UIKit/UIKit.h>
+
+#if DEBUG
+static NSString *KBLogString2(NSString *tag, NSString *text) {
+    NSString *safeTag = tag ?: @"";
+    NSString *safeText = text ?: @"";
+    if (safeText.length <= 2000) {
+        return [NSString stringWithFormat:@"[%@] len=%lu text=%@", safeTag, (unsigned long)safeText.length, safeText];
+    }
+    NSString *head = [safeText substringToIndex:800];
+    NSString *tail = [safeText substringFromIndex:safeText.length - 800];
+    return [NSString stringWithFormat:@"[%@] len=%lu head=%@ ... tail=%@", safeTag, (unsigned long)safeText.length, head, tail];
+}
+#define KB_BUF_LOG(tag, text) NSLog(@"❤️=%@", KBLogString2((tag), (text)))
+#else
+#define KB_BUF_LOG(tag, text) do {} while(0)
+#endif
+
+@interface KBInputBufferManager ()
+@property (nonatomic, copy, readwrite) NSString *liveText;
+@property (nonatomic, copy, readwrite) NSString *manualSnapshot;
+@property (nonatomic, copy, readwrite) NSString *pendingClearSnapshot;
+@property (nonatomic, assign) BOOL manualSnapshotDirty;
+@end
+
+@implementation KBInputBufferManager
+
++ (instancetype)shared {
+    static KBInputBufferManager *mgr = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        mgr = [[KBInputBufferManager alloc] init];
+    });
+    return mgr;
+}
+
+- (instancetype)init {
+    if (self = [super init]) {
+        _liveText = @"";
+        _manualSnapshot = @"";
+        _pendingClearSnapshot = @"";
+        _manualSnapshotDirty = NO;
+    }
+    return self;
+}
+
+- (void)seedIfEmptyWithContextBefore:(NSString *)before after:(NSString *)after {
+    if (self.liveText.length > 0 || self.manualSnapshot.length > 0) { return; }
+    NSString *safeBefore = before ?: @"";
+    NSString *safeAfter = after ?: @"";
+    NSString *full = [safeBefore stringByAppendingString:safeAfter];
+    if (full.length == 0) { return; }
+    self.liveText = full;
+    self.manualSnapshot = full;
+    self.manualSnapshotDirty = NO;
+    KB_BUF_LOG(@"seedIfEmpty", full);
+}
+
+- (void)updateFromExternalContextBefore:(NSString *)before after:(NSString *)after {
+    NSString *safeBefore = before ?: @"";
+    NSString *safeAfter = after ?: @"";
+    NSString *context = [safeBefore stringByAppendingString:safeAfter];
+    if (context.length == 0) { return; }
+
+    // 微信/QQ 等宿主通常只提供光标附近“截断窗口”，不应当作为全文快照。
+    // 这里只更新 liveText，给删除/清空逻辑做参考；manualSnapshot 仅由键盘自身输入/撤销来维护。
+    self.liveText = context;
+    self.manualSnapshotDirty = YES;
+#if DEBUG
+    static NSUInteger sExternalLogCounter = 0;
+    sExternalLogCounter += 1;
+    if (sExternalLogCounter % 12 == 0) {
+        KB_BUF_LOG(@"updateFromExternalContext/liveOnly", context);
+    }
+#endif
+}
+
+- (void)refreshFromProxyIfPossible:(id<UITextDocumentProxy>)proxy {
+    NSString *harvested = [self kb_harvestFullTextFromProxy:proxy];
+    if (harvested.length == 0) {
+        KB_BUF_LOG(@"refreshFromProxy/failedOrUnsupported", @"");
+        return;
+    }
+
+    BOOL manualEmpty = (self.manualSnapshot.length == 0);
+    BOOL longerThanManual = (harvested.length > self.manualSnapshot.length);
+    if (!(manualEmpty || longerThanManual)) {
+        KB_BUF_LOG(@"refreshFromProxy/ignoredShorter", harvested);
+        return;
+    }
+
+    self.liveText = harvested;
+    self.manualSnapshot = harvested;
+    self.manualSnapshotDirty = NO;
+    KB_BUF_LOG(@"refreshFromProxy/accepted", harvested);
+}
+
+- (void)prepareSnapshotForDeleteWithContextBefore:(NSString *)before
+                                            after:(NSString *)after {
+    NSString *safeBefore = before ?: @"";
+    NSString *safeAfter = after ?: @"";
+    NSString *context = [safeBefore stringByAppendingString:safeAfter];
+
+    BOOL manualValid = (self.manualSnapshot.length > 0 &&
+                        (context.length == 0 ||
+                         (self.manualSnapshot.length >= context.length &&
+                          [self.manualSnapshot rangeOfString:context].location != NSNotFound)));
+    if (manualValid) { return; }
+
+    if (self.liveText.length > 0) {
+        self.manualSnapshot = self.liveText;
+        self.manualSnapshotDirty = NO;
+        KB_BUF_LOG(@"prepareSnapshotForDelete/fromLiveText", self.manualSnapshot);
+        return;
+    }
+    if (context.length > 0) {
+        self.manualSnapshot = context;
+        self.manualSnapshotDirty = NO;
+        KB_BUF_LOG(@"prepareSnapshotForDelete/fromContext", self.manualSnapshot);
+    }
+}
+
+- (void)beginPendingClearSnapshot {
+    if (self.pendingClearSnapshot.length > 0) { return; }
+    if (self.manualSnapshot.length > 0) {
+        self.pendingClearSnapshot = self.manualSnapshot;
+        KB_BUF_LOG(@"beginPendingClearSnapshot/fromManual", self.pendingClearSnapshot);
+        return;
+    }
+    if (self.liveText.length > 0) {
+        self.pendingClearSnapshot = self.liveText;
+        KB_BUF_LOG(@"beginPendingClearSnapshot/fromLive", self.pendingClearSnapshot);
+    }
+}
+
+- (void)clearPendingClearSnapshot {
+    self.pendingClearSnapshot = @"";
+}
+
+- (void)resetWithText:(NSString *)text {
+    NSString *safe = text ?: @"";
+    self.liveText = safe;
+    self.manualSnapshot = safe;
+    self.pendingClearSnapshot = @"";
+    self.manualSnapshotDirty = NO;
+    KB_BUF_LOG(@"resetWithText", safe);
+}
+
+- (void)appendText:(NSString *)text {
+    if (text.length == 0) { return; }
+    [self kb_syncManualSnapshotIfNeeded];
+    self.liveText = [self.liveText stringByAppendingString:text];
+    self.manualSnapshot = [self.manualSnapshot stringByAppendingString:text];
+}
+
+- (void)deleteBackwardByCount:(NSUInteger)count {
+    if (count == 0) { return; }
+    self.liveText = [self kb_stringByDeletingComposedCharacters:count from:self.liveText];
+    self.manualSnapshot = [self kb_stringByDeletingComposedCharacters:count from:self.manualSnapshot];
+}
+
+- (void)replaceTailWithText:(NSString *)text deleteCount:(NSUInteger)count {
+    [self kb_syncManualSnapshotIfNeeded];
+    [self deleteBackwardByCount:count];
+    [self appendText:text];
+}
+
+- (void)applyHoldDeleteCount:(NSUInteger)count {
+    if (count == 0) { return; }
+    self.liveText = [self kb_stringByDeletingComposedCharacters:count from:self.liveText];
+    self.manualSnapshotDirty = YES;
+}
+
+- (void)applyClearDeleteCount:(NSUInteger)count {
+    if (count == 0) { return; }
+    self.liveText = [self kb_stringByDeletingComposedCharacters:count from:self.liveText];
+    self.manualSnapshotDirty = YES;
+}
+
+- (void)clearAllLiveText {
+    self.liveText = @"";
+    self.pendingClearSnapshot = @"";
+    self.manualSnapshotDirty = YES;
+}
+
+- (void)commitLiveToManual {
+    self.manualSnapshot = self.liveText ?: @"";
+    self.manualSnapshotDirty = NO;
+    KB_BUF_LOG(@"commitLiveToManual", self.manualSnapshot);
+}
+
+- (void)restoreManualSnapshot {
+    self.liveText = self.manualSnapshot ?: @"";
+}
+
+#pragma mark - Helpers
+
+- (void)kb_syncManualSnapshotIfNeeded {
+    if (!self.manualSnapshotDirty) { return; }
+    self.manualSnapshot = self.liveText ?: @"";
+    self.manualSnapshotDirty = NO;
+}
+
+- (NSString *)kb_stringByDeletingComposedCharacters:(NSUInteger)count
+                                               from:(NSString *)text {
+    if (count == 0) { return text ?: @""; }
+    NSString *source = text ?: @"";
+    if (source.length == 0) { return @""; }
+
+    __block NSUInteger removed = 0;
+    __block NSUInteger endIndex = source.length;
+    [source enumerateSubstringsInRange:NSMakeRange(0, source.length)
+                               options:NSStringEnumerationByComposedCharacterSequences | NSStringEnumerationReverse
+                            usingBlock:^(__unused NSString *substring, NSRange substringRange, __unused NSRange enclosingRange, BOOL *stop) {
+        removed += 1;
+        endIndex = substringRange.location;
+        if (removed >= count) {
+            *stop = YES;
+        }
+    }];
+    if (removed < count) { return @""; }
+    return [source substringToIndex:endIndex];
+}
+
+- (NSString *)kb_harvestFullTextFromProxy:(id<UITextDocumentProxy>)proxy {
+    if (!proxy) { return @""; }
+    if (![proxy respondsToSelector:@selector(adjustTextPositionByCharacterOffset:)]) { return @""; }
+
+    static const NSInteger kKBHarvestMaxRounds = 160;
+    static const NSInteger kKBHarvestMaxChars = 50000;
+
+    NSInteger movedToEnd = 0;
+    NSInteger movedLeft = 0;
+    NSMutableArray<NSString *> *chunks = [NSMutableArray array];
+    NSInteger totalChars = 0;
+
+    @try {
+        NSInteger guard = 0;
+        NSString *after = proxy.documentContextAfterInput ?: @"";
+        while (after.length > 0 && guard < kKBHarvestMaxRounds) {
+            NSInteger step = (NSInteger)after.length;
+            [(id)proxy adjustTextPositionByCharacterOffset:step];
+            movedToEnd += step;
+            guard += 1;
+            after = proxy.documentContextAfterInput ?: @"";
+        }
+
+        guard = 0;
+        NSString *before = proxy.documentContextBeforeInput ?: @"";
+        while (before.length > 0 && guard < kKBHarvestMaxRounds && totalChars < kKBHarvestMaxChars) {
+            [chunks addObject:before];
+            totalChars += (NSInteger)before.length;
+            NSInteger step = (NSInteger)before.length;
+            [(id)proxy adjustTextPositionByCharacterOffset:-step];
+            movedLeft += step;
+            guard += 1;
+            before = proxy.documentContextBeforeInput ?: @"";
+        }
+    } @finally {
+        if (movedLeft != 0) {
+            [(id)proxy adjustTextPositionByCharacterOffset:movedLeft];
+        }
+        if (movedToEnd != 0) {
+            [(id)proxy adjustTextPositionByCharacterOffset:-movedToEnd];
+        }
+    }
+
+    if (chunks.count == 0) { return @""; }
+    NSMutableString *result = [NSMutableString stringWithCapacity:(NSUInteger)totalChars];
+    for (NSInteger i = (NSInteger)chunks.count - 1; i >= 0; i--) {
+        NSString *part = chunks[(NSUInteger)i] ?: @"";
+        if (part.length == 0) { continue; }
+        [result appendString:part];
+    }
+    return result;
+}
+
+@end

CustomKeyboard/VM/KBVM.h

@@ -0,0 +1,105 @@
+//
+//  KBVM.h
+//  CustomKeyboard
+//
+//  键盘扩展的 ViewModel，封装网络请求逻辑
+//
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+@class KBChatDataModel;
+NS_ASSUME_NONNULL_BEGIN
+
+/// 聊天响应模型
+@interface KBChatResponse : NSObject
+@property (nonatomic, strong, nullable) KBChatDataModel *data;
+//@property (nonatomic, copy, nullable) NSString *audioId;
+@property (nonatomic, copy, nullable) NSString *message;
+@property (nonatomic, assign) BOOL success;
+@property (nonatomic, assign) NSInteger code;
+
+@end
+
+@interface KBChatDataModel : NSObject
+@property (nonatomic, copy, nullable) NSString *aiResponse;
+@property (nonatomic, copy, nullable) NSString *audioId;
+@property (nonatomic, copy, nullable) NSString *llmDuration;
+
+
+@end
+
+/// 音频响应模型
+@interface KBAudioResponse : NSObject
+@property (nonatomic, copy, nullable) NSString *audioURL;
+@property (nonatomic, strong, nullable) NSData *audioData;
+@property (nonatomic, assign) NSTimeInterval duration;
+@property (nonatomic, copy, nullable) NSString *errorMessage;
+@property (nonatomic, assign) BOOL success;
+@end
+
+/// 聊天请求回调
+typedef void(^KBChatCompletion)(KBChatResponse *response);
+/// 音频 URL 回调
+typedef void(^KBAudioURLCompletion)(KBAudioResponse *response);
+/// 音频数据回调
+typedef void(^KBAudioDataCompletion)(KBAudioResponse *response);
+/// 头像回调
+typedef void(^KBAvatarCompletion)(UIImage * _Nullable image, NSError * _Nullable error);
+
+@interface KBVM : NSObject
+
++ (instancetype)shared;
+
+#pragma mark - Chat API
+
+/// 发送聊天消息
+/// @param content 消息内容
+/// @param companionId 人设 ID
+/// @param completion 回调
+- (void)sendChatMessageWithContent:(NSString *)content
+                       companionId:(NSInteger)companionId
+                        completion:(KBChatCompletion)completion;
+
+#pragma mark - Audio API
+
+/// 获取音频 URL（单次请求）
+/// @param audioId 音频 ID
+/// @param completion 回调
+- (void)fetchAudioURLWithAudioId:(NSString *)audioId
+                      completion:(KBAudioURLCompletion)completion;
+
+/// 轮询获取音频 URL（自动重试）
+/// @param audioId 音频 ID
+/// @param maxRetries 最大重试次数
+/// @param interval 重试间隔（秒）
+/// @param completion 回调
+- (void)pollAudioURLWithAudioId:(NSString *)audioId
+                     maxRetries:(NSInteger)maxRetries
+                       interval:(NSTimeInterval)interval
+                     completion:(KBAudioURLCompletion)completion;
+
+/// 下载音频数据
+/// @param urlString 音频 URL
+/// @param completion 回调
+- (void)downloadAudioFromURL:(NSString *)urlString
+                  completion:(KBAudioDataCompletion)completion;
+
+#pragma mark - Avatar API
+
+/// 下载头像图片
+/// @param urlString 头像 URL
+/// @param completion 回调
+- (void)downloadAvatarFromURL:(NSString *)urlString
+                   completion:(KBAvatarCompletion)completion;
+
+#pragma mark - Helper
+
+/// 从 AppGroup 获取选中的 persona companionId
+- (NSInteger)selectedCompanionIdFromAppGroup;
+
+/// 从 AppGroup 获取选中的 persona 信息
+- (nullable NSDictionary *)selectedPersonaFromAppGroup;
+
+@end
+
+NS_ASSUME_NONNULL_END

CustomKeyboard/VM/KBVM.m

@@ -0,0 +1,337 @@
+//
+//  KBVM.m
+//  CustomKeyboard
+//
+
+#import "KBVM.h"
+#import "KBNetworkManager.h"
+#import "KBConfig.h"
+#import <AVFoundation/AVFoundation.h>
+#import <MJExtension/MJExtension.h>
+
+@implementation KBChatResponse
+@end
+
+@implementation KBChatDataModel
+@end
+
+@implementation KBAudioResponse
+@end
+
+@interface KBVM ()
+@property (nonatomic, strong) NSCache<NSString *, UIImage *> *avatarCache;
+@end
+
+@implementation KBVM
+
++ (instancetype)shared {
+    static KBVM *instance = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        instance = [[KBVM alloc] init];
+    });
+    return instance;
+}
+
+- (instancetype)init {
+    if (self = [super init]) {
+        _avatarCache = [[NSCache alloc] init];
+        _avatarCache.countLimit = 20;
+    }
+    return self;
+}
+
+#pragma mark - Chat API
+
+- (void)sendChatMessageWithContent:(NSString *)content
+                       companionId:(NSInteger)companionId
+                        completion:(KBChatCompletion)completion {
+    if (content.length == 0) {
+        if (completion) {
+            KBChatResponse *response = [[KBChatResponse alloc] init];
+            response.success = NO;
+            response.message = @"内容为空";
+            completion(response);
+        }
+        return;
+    }
+    
+    NSString *encodedContent = [content stringByAddingPercentEncodingWithAllowedCharacters:
+                                [NSCharacterSet URLQueryAllowedCharacterSet]];
+    NSString *path = [NSString stringWithFormat:@"%@?content=%@&companionId=%ld",
+                      API_AI_CHAT_MESSAGE, encodedContent ?: @"", (long)companionId];
+    NSDictionary *params = @{
+        @"content": content ?: @"",
+        @"companionId": @(companionId)
+    };
+    
+    [[KBNetworkManager shared] POST:path
+                           jsonBody:params
+                            headers:nil
+                         completion:^(NSDictionary *json, NSURLResponse *response, NSError *error) {
+        dispatch_async(dispatch_get_main_queue(), ^{
+            KBChatResponse *chatResponse = [KBChatResponse mj_objectWithKeyValues:json];
+            if (chatResponse.code != 0) {
+                chatResponse.success = NO;
+//                chatResponse.errorMessage = error.localizedDescription ?: @"请求失败";
+                if (completion) completion(chatResponse);
+                return;
+            }
+            
+//            // 解析文本
+//            chatResponse.text = [self p_parseTextFromJSON:json];
+//            // 解析 audioId
+//            chatResponse.audioId = [self p_parseAudioIdFromJSON:json];
+            
+//            chatResponse.success = (chatResponse.text.length > 0);
+//            if (!chatResponse.success) {
+//                chatResponse.errorMessage = @"未获取到回复内容";
+//            }
+            
+            if (completion) completion(chatResponse);
+        });
+    }];
+}
+
+#pragma mark - Audio API
+
+- (void)fetchAudioURLWithAudioId:(NSString *)audioId
+                      completion:(KBAudioURLCompletion)completion {
+    if (audioId.length == 0) {
+        if (completion) {
+            KBAudioResponse *response = [[KBAudioResponse alloc] init];
+            response.success = NO;
+            response.errorMessage = @"audioId 为空";
+            completion(response);
+        }
+        return;
+    }
+    
+    NSString *path = [NSString stringWithFormat:@"/chat/audio/%@", audioId];
+    
+    [[KBNetworkManager shared] GET:path
+                        parameters:nil
+                           headers:nil
+                        completion:^(NSDictionary *json, NSURLResponse *response, NSError *error) {
+        dispatch_async(dispatch_get_main_queue(), ^{
+            KBAudioResponse *audioResponse = [[KBAudioResponse alloc] init];
+            
+            if (error) {
+                audioResponse.success = NO;
+                audioResponse.errorMessage = error.localizedDescription;
+                if (completion) completion(audioResponse);
+                return;
+            }
+            
+            // 解析 audioURL
+            NSString *audioURL = [self p_parseAudioURLFromJSON:json];
+            audioResponse.audioURL = audioURL;
+            audioResponse.success = (audioURL.length > 0);
+            
+            if (completion) completion(audioResponse);
+        });
+    }];
+}
+
+- (void)pollAudioURLWithAudioId:(NSString *)audioId
+                     maxRetries:(NSInteger)maxRetries
+                       interval:(NSTimeInterval)interval
+                     completion:(KBAudioURLCompletion)completion {
+    [self p_pollAudioURLWithAudioId:audioId
+                         retryCount:0
+                         maxRetries:maxRetries
+                           interval:interval
+                         completion:completion];
+}
+
+- (void)p_pollAudioURLWithAudioId:(NSString *)audioId
+                       retryCount:(NSInteger)retryCount
+                       maxRetries:(NSInteger)maxRetries
+                         interval:(NSTimeInterval)interval
+                       completion:(KBAudioURLCompletion)completion {
+    
+    [self fetchAudioURLWithAudioId:audioId completion:^(KBAudioResponse *response) {
+        if (response.success && response.audioURL.length > 0) {
+            // 成功获取到 URL
+            if (completion) completion(response);
+            return;
+        }
+        
+        // 如果还没达到最大重试次数，继续轮询
+        if (retryCount < maxRetries - 1) {
+            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(interval * NSEC_PER_SEC)),
+                          dispatch_get_main_queue(), ^{
+                [self p_pollAudioURLWithAudioId:audioId
+                                     retryCount:retryCount + 1
+                                     maxRetries:maxRetries
+                                       interval:interval
+                                     completion:completion];
+            });
+        } else {
+            // 达到最大重试次数
+            KBAudioResponse *failResponse = [[KBAudioResponse alloc] init];
+            failResponse.success = NO;
+            failResponse.errorMessage = [NSString stringWithFormat:@"轮询失败，已重试 %ld 次", (long)maxRetries];
+            if (completion) completion(failResponse);
+        }
+    }];
+}
+
+- (void)downloadAudioFromURL:(NSString *)urlString
+                  completion:(KBAudioDataCompletion)completion {
+    if (urlString.length == 0) {
+        if (completion) {
+            KBAudioResponse *response = [[KBAudioResponse alloc] init];
+            response.success = NO;
+            response.errorMessage = @"URL 为空";
+            completion(response);
+        }
+        return;
+    }
+    
+    [[KBNetworkManager shared] GETData:urlString
+                            parameters:nil
+                               headers:nil
+                            completion:^(NSData *data, NSURLResponse *response, NSError *error) {
+        dispatch_async(dispatch_get_main_queue(), ^{
+            KBAudioResponse *audioResponse = [[KBAudioResponse alloc] init];
+            
+            if (error || !data || data.length == 0) {
+                audioResponse.success = NO;
+                audioResponse.errorMessage = error.localizedDescription ?: @"下载失败";
+                if (completion) completion(audioResponse);
+                return;
+            }
+            
+            audioResponse.audioData = data;
+            
+            // 计算音频时长
+            NSError *playerError = nil;
+            AVAudioPlayer *player = [[AVAudioPlayer alloc] initWithData:data error:&playerError];
+            if (!playerError && player) {
+                audioResponse.duration = player.duration;
+            }
+            
+            audioResponse.success = YES;
+            if (completion) completion(audioResponse);
+        });
+    }];
+}
+
+#pragma mark - Avatar API
+
+- (void)downloadAvatarFromURL:(NSString *)urlString
+                   completion:(KBAvatarCompletion)completion {
+    if (urlString.length == 0) {
+        if (completion) completion(nil, nil);
+        return;
+    }
+    
+    // 检查缓存
+    UIImage *cached = [self.avatarCache objectForKey:urlString];
+    if (cached) {
+        if (completion) completion(cached, nil);
+        return;
+    }
+    
+    [[KBNetworkManager shared] GETData:urlString
+                            parameters:nil
+                               headers:nil
+                            completion:^(NSData *data, NSURLResponse *response, NSError *error) {
+        dispatch_async(dispatch_get_main_queue(), ^{
+            if (error || data.length == 0) {
+                if (completion) completion(nil, error);
+                return;
+            }
+            
+            UIImage *image = [UIImage imageWithData:data];
+            if (image) {
+                [self.avatarCache setObject:image forKey:urlString];
+            }
+            if (completion) completion(image, nil);
+        });
+    }];
+}
+
+#pragma mark - Helper
+
+- (NSInteger)selectedCompanionIdFromAppGroup {
+    NSDictionary *persona = [self selectedPersonaFromAppGroup];
+    if (persona) {
+        id companionIdObj = persona[@"personaId"] ?: persona[@"companionId"] ?: persona[@"id"];
+        if ([companionIdObj respondsToSelector:@selector(integerValue)]) {
+            return [companionIdObj integerValue];
+        }
+    }
+    return 0;
+}
+
+- (nullable NSDictionary *)selectedPersonaFromAppGroup {
+    NSUserDefaults *shared = [[NSUserDefaults alloc] initWithSuiteName:AppGroup];
+    return [shared objectForKey:@"AppGroup_SelectedPersona"];
+}
+
+#pragma mark - Private Parse Methods
+
+/// 解析聊天文本
+- (NSString *)p_parseTextFromJSON:(NSDictionary *)json {
+    if (![json isKindOfClass:[NSDictionary class]]) return @"";
+    
+    id dataObj = json[@"data"];
+    if ([dataObj isKindOfClass:[NSDictionary class]]) {
+        NSDictionary *data = (NSDictionary *)dataObj;
+        // 优先读取 aiResponse 字段
+        NSArray *keys = @[@"aiResponse", @"content", @"text", @"message"];
+        for (NSString *key in keys) {
+            id value = data[key];
+            if ([value isKindOfClass:[NSString class]] && ((NSString *)value).length > 0) {
+                return (NSString *)value;
+            }
+        }
+    } else if ([dataObj isKindOfClass:[NSString class]]) {
+        return (NSString *)dataObj;
+    }
+    
+    return @"";
+}
+
+/// 解析 audioId
+- (NSString *)p_parseAudioIdFromJSON:(NSDictionary *)json {
+    if (![json isKindOfClass:[NSDictionary class]]) return nil;
+    
+    id dataObj = json[@"data"];
+    if ([dataObj isKindOfClass:[NSDictionary class]]) {
+        NSDictionary *data = (NSDictionary *)dataObj;
+        NSString *audioId = data[@"audioId"];
+        if ([audioId isKindOfClass:[NSString class]] && audioId.length > 0) {
+            return audioId;
+        }
+    }
+    
+    // 兼容其他字段名
+    NSArray *keys = @[@"audioId", @"audio_id"];
+    for (NSString *key in keys) {
+        id value = json[key];
+        if ([value isKindOfClass:[NSString class]] && ((NSString *)value).length > 0) {
+            return (NSString *)value;
+        }
+    }
+    return nil;
+}
+
+/// 解析 audioURL
+- (NSString *)p_parseAudioURLFromJSON:(NSDictionary *)json {
+    if (![json isKindOfClass:[NSDictionary class]]) return nil;
+    
+    id dataObj = json[@"data"];
+    if ([dataObj isKindOfClass:[NSDictionary class]]) {
+        NSDictionary *data = (NSDictionary *)dataObj;
+        id audioUrlObj = data[@"audioUrl"] ?: data[@"url"];
+        if (audioUrlObj && ![audioUrlObj isKindOfClass:[NSNull class]] && [audioUrlObj isKindOfClass:[NSString class]]) {
+            return (NSString *)audioUrlObj;
+        }
+    }
+    return nil;
+}
+
+@end

CustomKeyboard/View/Chat/KBChatAssistantCell.h

@@ -0,0 +1,40 @@
+//
+//  KBChatAssistantCell.h
+//  CustomKeyboard
+//
+//  AI 消息 Cell（左侧显示，带语音按钮和打字机效果）
+//
+
+#import <UIKit/UIKit.h>
+@class KBChatMessage;
+@class KBChatAssistantCell;
+
+NS_ASSUME_NONNULL_BEGIN
+
+@protocol KBChatAssistantCellDelegate <NSObject>
+@optional
+/// 点击语音播放按钮
+- (void)assistantCell:(KBChatAssistantCell *)cell didTapVoiceButtonForMessage:(KBChatMessage *)message;
+@end
+
+@interface KBChatAssistantCell : UITableViewCell
+
+@property (nonatomic, weak) id<KBChatAssistantCellDelegate> delegate;
+
+- (void)configureWithMessage:(KBChatMessage *)message;
+
+/// 更新语音播放状态
+- (void)updateVoicePlayingState:(BOOL)isPlaying;
+
+/// 显示语音加载动画
+- (void)showVoiceLoadingAnimation;
+
+/// 隐藏语音加载动画
+- (void)hideVoiceLoadingAnimation;
+
+/// 停止打字机效果
+- (void)stopTypewriterEffect;
+
+@end
+
+NS_ASSUME_NONNULL_END

CustomKeyboard/View/Chat/KBChatAssistantCell.m

@@ -0,0 +1,346 @@
+//
+//  KBChatAssistantCell.m
+//  CustomKeyboard
+//
+//  AI 消息 Cell（左侧显示，带语音按钮和打字机效果）
+//
+
+#import "KBChatAssistantCell.h"
+#import "KBChatMessage.h"
+#import "Masonry.h"
+
+@interface KBChatAssistantCell ()
+
+@property (nonatomic, strong) UIButton *voiceButton;
+@property (nonatomic, strong) UILabel *durationLabel;
+@property (nonatomic, strong) UIView *bubbleView;
+@property (nonatomic, strong) UILabel *messageLabel;
+@property (nonatomic, strong) UIActivityIndicatorView *voiceLoadingIndicator;
+@property (nonatomic, strong) UIActivityIndicatorView *messageLoadingIndicator;
+@property (nonatomic, strong) KBChatMessage *currentMessage;
+
+/// 打字机效果
+@property (nonatomic, strong) NSTimer *typewriterTimer;
+@property (nonatomic, copy) NSString *fullText;
+@property (nonatomic, assign) NSInteger currentCharIndex;
+
+@end
+
+@implementation KBChatAssistantCell
+
+- (instancetype)initWithStyle:(UITableViewCellStyle)style
+              reuseIdentifier:(NSString *)reuseIdentifier {
+    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
+    if (self) {
+        self.backgroundColor = [UIColor clearColor];
+        self.contentView.backgroundColor = [UIColor clearColor];
+        self.selectionStyle = UITableViewCellSelectionStyleNone;
+        [self setupUI];
+    }
+    return self;
+}
+
+- (void)setupUI {
+    [self.contentView addSubview:self.voiceButton];
+    [self.contentView addSubview:self.durationLabel];
+    [self.contentView addSubview:self.voiceLoadingIndicator];
+    [self.contentView addSubview:self.messageLoadingIndicator];
+    [self.contentView addSubview:self.bubbleView];
+    [self.bubbleView addSubview:self.messageLabel];
+    
+    // 语音按钮
+    [self.voiceButton mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.left.equalTo(self.contentView).offset(12);
+        make.top.equalTo(self.contentView).offset(6);
+        make.width.height.mas_equalTo(20);
+    }];
+    
+    // 语音时长
+    [self.durationLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.left.equalTo(self.voiceButton.mas_right).offset(4);
+        make.centerY.equalTo(self.voiceButton);
+    }];
+    
+    // 语音加载指示器
+    [self.voiceLoadingIndicator mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.center.equalTo(self.voiceButton);
+    }];
+    
+    // 消息加载指示器
+    [self.messageLoadingIndicator mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.left.equalTo(self.contentView).offset(12);
+        make.top.equalTo(self.voiceButton);
+    }];
+    
+    // 气泡
+    [self.bubbleView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.top.equalTo(self.voiceButton.mas_bottom).offset(4);
+        make.bottom.equalTo(self.contentView).offset(-4);
+        make.left.equalTo(self.contentView).offset(12);
+        make.width.lessThanOrEqualTo(self.contentView).multipliedBy(0.7);
+    }];
+    
+    // 消息文本
+    [self.messageLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.top.equalTo(self.bubbleView).offset(8);
+        make.bottom.equalTo(self.bubbleView).offset(-8);
+        make.left.equalTo(self.bubbleView).offset(12);
+        make.right.equalTo(self.bubbleView).offset(-12);
+        make.height.greaterThanOrEqualTo(@18);
+    }];
+}
+
+- (void)configureWithMessage:(KBChatMessage *)message {
+    NSLog(@"[KBChatAssistantCell] ========== configureWithMessage ==========");
+    NSLog(@"[KBChatAssistantCell] text: %@", message.text);
+    NSLog(@"[KBChatAssistantCell] outgoing: %d, isLoading: %d, isComplete: %d, needsTypewriter: %d", 
+          message.outgoing, message.isLoading, message.isComplete, message.needsTypewriterEffect);
+    
+    // 先停止之前的打字机效果
+    [self stopTypewriterEffect];
+    
+    self.currentMessage = message;
+    
+    // 处理 loading 状态
+    if (message.isLoading) {
+        NSLog(@"[KBChatAssistantCell] 显示 loading 状态");
+        self.messageLabel.attributedText = nil;
+        self.messageLabel.text = @"";
+        self.bubbleView.hidden = YES;
+        self.voiceButton.hidden = YES;
+        self.durationLabel.hidden = YES;
+        [self.messageLoadingIndicator startAnimating];
+        return;
+    }
+    
+    // 非 loading 状态
+    [self.messageLoadingIndicator stopAnimating];
+    self.bubbleView.hidden = NO;
+    
+    // 语音按钮显示逻辑
+    BOOL hasAudio = (message.audioId.length > 0) || (message.audioData.length > 0);
+    self.voiceButton.hidden = !hasAudio;
+    self.durationLabel.hidden = !hasAudio;
+    NSLog(@"[KBChatAssistantCell] hasAudio: %d, audioId: %@", hasAudio, message.audioId);
+    
+    // 语音时长
+    if (message.audioDuration > 0) {
+        NSInteger seconds = (NSInteger)ceil(message.audioDuration);
+        self.durationLabel.text = [NSString stringWithFormat:@"%ld\"", (long)seconds];
+    } else {
+        self.durationLabel.text = @"";
+    }
+    
+    // 打字机效果
+    if (message.needsTypewriterEffect && !message.isComplete && message.text.length > 0) {
+        NSLog(@"[KBChatAssistantCell] ✅ 启动打字机效果");
+        [self startTypewriterEffectWithText:message.text];
+    } else {
+        NSLog(@"[KBChatAssistantCell] 直接显示文本（不使用打字机）");
+        self.messageLabel.attributedText = nil;
+        self.messageLabel.text = message.text ?: @"";
+    }
+}
+
+#pragma mark - Typewriter Effect
+
+- (void)startTypewriterEffectWithText:(NSString *)text {
+    if (text.length == 0) return;
+    
+    self.fullText = text;
+    self.currentCharIndex = 0;
+    
+    // 先设置完整文本让布局计算正确高度
+    self.messageLabel.text = text;
+    [self.contentView setNeedsLayout];
+    [self.contentView layoutIfNeeded];
+    
+    // 应用打字机效果
+    dispatch_async(dispatch_get_main_queue(), ^{
+        NSMutableAttributedString *attributedText = [[NSMutableAttributedString alloc] initWithString:text];
+        [attributedText addAttribute:NSForegroundColorAttributeName
+                               value:[UIColor clearColor]
+                               range:NSMakeRange(0, text.length)];
+        [attributedText addAttribute:NSFontAttributeName
+                               value:self.messageLabel.font
+                               range:NSMakeRange(0, text.length)];
+        self.messageLabel.attributedText = attributedText;
+        
+        self.typewriterTimer = [NSTimer scheduledTimerWithTimeInterval:0.03
+                                                                target:self
+                                                              selector:@selector(typewriterTick)
+                                                              userInfo:nil
+                                                               repeats:YES];
+        [[NSRunLoop currentRunLoop] addTimer:self.typewriterTimer forMode:NSRunLoopCommonModes];
+        [self typewriterTick];
+    });
+}
+
+- (void)typewriterTick {
+    NSString *text = self.fullText;
+    if (!text || text.length == 0) {
+        [self stopTypewriterEffect];
+        return;
+    }
+    
+    if (self.currentCharIndex < text.length) {
+        self.currentCharIndex++;
+        
+        NSMutableAttributedString *attributedText = [[NSMutableAttributedString alloc] initWithString:text];
+        UIColor *textColor = [UIColor whiteColor];
+        
+        if (self.currentCharIndex > 0) {
+            [attributedText addAttribute:NSForegroundColorAttributeName
+                                   value:textColor
+                                   range:NSMakeRange(0, self.currentCharIndex)];
+        }
+        if (self.currentCharIndex < text.length) {
+            [attributedText addAttribute:NSForegroundColorAttributeName
+                                   value:[UIColor clearColor]
+                                   range:NSMakeRange(self.currentCharIndex, text.length - self.currentCharIndex)];
+        }
+        [attributedText addAttribute:NSFontAttributeName
+                               value:self.messageLabel.font
+                               range:NSMakeRange(0, text.length)];
+        
+        self.messageLabel.attributedText = attributedText;
+    } else {
+        [self stopTypewriterEffect];
+        
+        // 显示完整文本
+        NSMutableAttributedString *attributedText = [[NSMutableAttributedString alloc] initWithString:text];
+        [attributedText addAttribute:NSForegroundColorAttributeName
+                               value:[UIColor whiteColor]
+                               range:NSMakeRange(0, text.length)];
+        [attributedText addAttribute:NSFontAttributeName
+                               value:self.messageLabel.font
+                               range:NSMakeRange(0, text.length)];
+        self.messageLabel.attributedText = attributedText;
+        
+        // 标记完成
+        if (self.currentMessage) {
+            self.currentMessage.isComplete = YES;
+            self.currentMessage.needsTypewriterEffect = NO;
+        }
+    }
+}
+
+- (void)stopTypewriterEffect {
+    if (self.typewriterTimer && self.typewriterTimer.isValid) {
+        [self.typewriterTimer invalidate];
+    }
+    self.typewriterTimer = nil;
+    self.currentCharIndex = 0;
+    self.fullText = nil;
+}
+
+#pragma mark - Voice Button
+
+- (void)updateVoicePlayingState:(BOOL)isPlaying {
+    UIImage *icon = nil;
+    if (@available(iOS 13.0, *)) {
+        icon = isPlaying ? [UIImage systemImageNamed:@"pause.circle.fill"] : [UIImage systemImageNamed:@"play.circle.fill"];
+    }
+    [self.voiceButton setImage:icon forState:UIControlStateNormal];
+}
+
+- (void)showVoiceLoadingAnimation {
+    [self.voiceButton setImage:nil forState:UIControlStateNormal];
+    [self.voiceLoadingIndicator startAnimating];
+}
+
+- (void)hideVoiceLoadingAnimation {
+    [self.voiceLoadingIndicator stopAnimating];
+    UIImage *icon = nil;
+    if (@available(iOS 13.0, *)) {
+        icon = [UIImage systemImageNamed:@"play.circle.fill"];
+    }
+    [self.voiceButton setImage:icon forState:UIControlStateNormal];
+}
+
+- (void)voiceButtonTapped {
+    if ([self.delegate respondsToSelector:@selector(assistantCell:didTapVoiceButtonForMessage:)]) {
+        [self.delegate assistantCell:self didTapVoiceButtonForMessage:self.currentMessage];
+    }
+}
+
+#pragma mark - Reuse
+
+- (void)prepareForReuse {
+    [super prepareForReuse];
+    [self stopTypewriterEffect];
+    self.messageLabel.text = @"";
+    self.messageLabel.attributedText = nil;
+    [self.messageLoadingIndicator stopAnimating];
+    [self.voiceLoadingIndicator stopAnimating];
+}
+
+- (void)dealloc {
+    [self stopTypewriterEffect];
+}
+
+#pragma mark - Lazy
+
+- (UIButton *)voiceButton {
+    if (!_voiceButton) {
+        _voiceButton = [UIButton buttonWithType:UIButtonTypeCustom];
+        UIImage *icon = nil;
+        if (@available(iOS 13.0, *)) {
+            icon = [UIImage systemImageNamed:@"play.circle.fill"];
+        }
+        [_voiceButton setImage:icon forState:UIControlStateNormal];
+        _voiceButton.tintColor = [UIColor whiteColor];
+        [_voiceButton addTarget:self action:@selector(voiceButtonTapped) forControlEvents:UIControlEventTouchUpInside];
+    }
+    return _voiceButton;
+}
+
+- (UILabel *)durationLabel {
+    if (!_durationLabel) {
+        _durationLabel = [[UILabel alloc] init];
+        _durationLabel.font = [UIFont systemFontOfSize:11];
+        _durationLabel.textColor = [UIColor whiteColor];
+    }
+    return _durationLabel;
+}
+
+- (UIActivityIndicatorView *)voiceLoadingIndicator {
+    if (!_voiceLoadingIndicator) {
+        _voiceLoadingIndicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleMedium];
+        _voiceLoadingIndicator.color = [UIColor whiteColor];
+        _voiceLoadingIndicator.hidesWhenStopped = YES;
+    }
+    return _voiceLoadingIndicator;
+}
+
+- (UIActivityIndicatorView *)messageLoadingIndicator {
+    if (!_messageLoadingIndicator) {
+        _messageLoadingIndicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleMedium];
+        _messageLoadingIndicator.color = [UIColor whiteColor];
+        _messageLoadingIndicator.hidesWhenStopped = YES;
+    }
+    return _messageLoadingIndicator;
+}
+
+- (UIView *)bubbleView {
+    if (!_bubbleView) {
+        _bubbleView = [[UIView alloc] init];
+        _bubbleView.backgroundColor = [UIColor colorWithRed:0.2 green:0.2 blue:0.2 alpha:0.7];
+        _bubbleView.layer.cornerRadius = 12;
+        _bubbleView.layer.masksToBounds = YES;
+    }
+    return _bubbleView;
+}
+
+- (UILabel *)messageLabel {
+    if (!_messageLabel) {
+        _messageLabel = [[UILabel alloc] init];
+        _messageLabel.numberOfLines = 0;
+        _messageLabel.font = [UIFont systemFontOfSize:14];
+        _messageLabel.textColor = [UIColor whiteColor];
+        _messageLabel.lineBreakMode = NSLineBreakByWordWrapping;
+    }
+    return _messageLabel;
+}
+
+@end

CustomKeyboard/View/Chat/KBChatPanelView.h

@@ -0,0 +1,49 @@
+//
+//  KBChatPanelView.h
+//  CustomKeyboard
+//
+
+#import <UIKit/UIKit.h>
+@class KBChatPanelView, KBChatMessage;
+
+NS_ASSUME_NONNULL_BEGIN
+
+@protocol KBChatPanelViewDelegate <NSObject>
+@optional
+- (void)chatPanelView:(KBChatPanelView *)view didSendText:(NSString *)text;
+- (void)chatPanelView:(KBChatPanelView *)view didTapMessage:(KBChatMessage *)message;
+- (void)chatPanelViewDidTapClose:(KBChatPanelView *)view;
+/// 点击语音播放按钮
+- (void)chatPanelView:(KBChatPanelView *)view didTapVoiceButtonForMessage:(KBChatMessage *)message;
+@end
+
+@interface KBChatPanelView : UIView
+
+@property (nonatomic, weak) id<KBChatPanelViewDelegate> delegate;
+
+@property (nonatomic, strong, readonly) UITableView *tableView;
+
+//- (void)kb_setBackgroundImage:(nullable UIImage *)image;
+- (void)kb_reloadWithMessages:(NSArray<KBChatMessage *> *)messages;
+
+/// 添加用户消息
+- (void)kb_addUserMessage:(NSString *)text;
+
+/// 添加 loading 状态的 AI 消息
+- (void)kb_addLoadingAssistantMessage;
+
+/// 移除 loading 状态的 AI 消息
+- (void)kb_removeLoadingAssistantMessage;
+
+/// 添加 AI 消息（带打字机效果）
+- (void)kb_addAssistantMessage:(NSString *)text audioId:(nullable NSString *)audioId;
+
+/// 更新最后一条 AI 消息的音频数据
+- (void)kb_updateLastAssistantMessageWithAudioData:(NSData *)audioData duration:(NSTimeInterval)duration;
+
+/// 滚动到底部
+- (void)kb_scrollToBottom;
+
+@end
+
+NS_ASSUME_NONNULL_END

CustomKeyboard/View/Chat/KBChatPanelView.m

@@ -0,0 +1,348 @@
+//
+//  KBChatPanelView.m
+//  CustomKeyboard
+//
+
+#import "KBChatPanelView.h"
+#import "KBChatMessage.h"
+#import "KBChatUserCell.h"
+#import "KBChatAssistantCell.h"
+#import "Masonry.h"
+
+static NSString * const kUserCellIdentifier = @"KBChatUserCell";
+static NSString * const kAssistantCellIdentifier = @"KBChatAssistantCell";
+static const NSUInteger kKBChatMessageLimit = 10;
+
+@interface KBChatPanelView () <UITableViewDataSource, UITableViewDelegate, KBChatAssistantCellDelegate>
+@property (nonatomic, strong) UIView *headerView;
+@property (nonatomic, strong) UILabel *titleLabel;
+@property (nonatomic, strong) UIButton *closeButton;
+@property (nonatomic, strong) UITableView *tableViewInternal;
+@property (nonatomic, strong) NSMutableArray<KBChatMessage *> *messages;
+@end
+
+@implementation KBChatPanelView
+
+- (instancetype)initWithFrame:(CGRect)frame {
+    if (self = [super initWithFrame:frame]) {
+        self.backgroundColor = [UIColor clearColor];
+        self.messages = [NSMutableArray array];
+
+        [self addSubview:self.headerView];
+        [self addSubview:self.tableViewInternal];
+
+        [self.headerView mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.left.right.equalTo(self);
+            make.top.equalTo(self.mas_top);
+            make.height.mas_equalTo(KBFit(36.0f));
+        }];
+
+        [self.tableViewInternal mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.left.right.equalTo(self);
+            make.top.equalTo(self.headerView.mas_bottom).offset(4);
+            make.bottom.equalTo(self.mas_bottom).offset(-8);
+        }];
+    }
+    return self;
+}
+
+#pragma mark - Public
+
+- (void)kb_reloadWithMessages:(NSArray<KBChatMessage *> *)messages {
+    NSLog(@"[Panel] ⚠️ kb_reloadWithMessages 被调用，传入 %lu 条消息", (unsigned long)messages.count);
+    
+    [self.messages removeAllObjects];
+    if (messages.count > 0) {
+        [self.messages addObjectsFromArray:messages];
+    }
+    [self.tableViewInternal reloadData];
+    [self kb_scrollToBottom];
+}
+
+- (void)kb_addUserMessage:(NSString *)text {
+    if (text.length == 0) return;
+    
+    NSLog(@"[Panel] 添加用户消息: %@，当前消息数: %lu", text, (unsigned long)self.messages.count);
+    
+    KBChatMessage *msg = [KBChatMessage userMessageWithText:text];
+    [self kb_appendMessage:msg];
+    
+    NSLog(@"[Panel] 添加后消息数: %lu", (unsigned long)self.messages.count);
+}
+
+- (void)kb_addLoadingAssistantMessage {
+    NSLog(@"[Panel] 添加 loading 消息，当前消息数: %lu", (unsigned long)self.messages.count);
+    
+    KBChatMessage *msg = [KBChatMessage loadingAssistantMessage];
+    [self kb_appendMessage:msg];
+    
+    NSLog(@"[Panel] 添加后消息数: %lu", (unsigned long)self.messages.count);
+}
+
+- (void)kb_removeLoadingAssistantMessage {
+    NSLog(@"[Panel] 移除 loading 消息，当前消息数: %lu", (unsigned long)self.messages.count);
+    
+    for (NSInteger i = self.messages.count - 1; i >= 0; i--) {
+        KBChatMessage *msg = self.messages[i];
+        // 只移除 AI 消息（outgoing == NO）且是 loading 状态的
+        if (!msg.outgoing && msg.isLoading) {
+            NSLog(@"[Panel] ✅ 找到 loading 消息，移除索引: %ld", (long)i);
+            [self.messages removeObjectAtIndex:i];
+            
+            // 使用 beginUpdates/endUpdates 包裹删除操作
+            [self.tableViewInternal beginUpdates];
+            NSIndexPath *indexPath = [NSIndexPath indexPathForRow:i inSection:0];
+            [self.tableViewInternal deleteRowsAtIndexPaths:@[indexPath] 
+                                          withRowAnimation:UITableViewRowAnimationNone];
+            [self.tableViewInternal endUpdates];
+            
+            NSLog(@"[Panel] 移除后消息数: %lu", (unsigned long)self.messages.count);
+            break;
+        }
+    }
+}
+
+- (void)kb_addAssistantMessage:(NSString *)text audioId:(NSString *)audioId {
+    NSLog(@"[Panel] ========== kb_addAssistantMessage ==========");
+    NSLog(@"[Panel] 当前消息数: %lu", (unsigned long)self.messages.count);
+    
+    // 查找 loading 消息的索引
+    NSInteger loadingIndex = -1;
+    for (NSInteger i = self.messages.count - 1; i >= 0; i--) {
+        KBChatMessage *msg = self.messages[i];
+        if (!msg.outgoing && msg.isLoading) {
+            loadingIndex = i;
+            break;
+        }
+    }
+    
+    // 创建 AI 消息
+    KBChatMessage *msg = [KBChatMessage assistantMessageWithText:text audioId:audioId];
+    msg.displayName = KBLocalized(@"AI助手");
+    NSLog(@"[Panel] 创建 AI 消息，needsTypewriter: %d", msg.needsTypewriterEffect);
+    
+    // 使用批量更新，避免界面跳动
+    [self.tableViewInternal beginUpdates];
+    
+    if (loadingIndex >= 0) {
+        // 移除 loading 消息
+        NSLog(@"[Panel] 移除 loading 索引: %ld", (long)loadingIndex);
+        [self.messages removeObjectAtIndex:loadingIndex];
+        NSIndexPath *deleteIndexPath = [NSIndexPath indexPathForRow:loadingIndex inSection:0];
+        [self.tableViewInternal deleteRowsAtIndexPaths:@[deleteIndexPath] 
+                                      withRowAnimation:UITableViewRowAnimationNone];
+    }
+    
+    // 添加 AI 消息
+    NSInteger insertIndex = self.messages.count;
+    [self.messages addObject:msg];
+    NSLog(@"[Panel] 插入 AI 消息索引: %ld", (long)insertIndex);
+    NSIndexPath *insertIndexPath = [NSIndexPath indexPathForRow:insertIndex inSection:0];
+    [self.tableViewInternal insertRowsAtIndexPaths:@[insertIndexPath] 
+                                  withRowAnimation:UITableViewRowAnimationNone];
+    
+    [self.tableViewInternal endUpdates];
+    
+    // 滚动到底部
+    [self kb_scrollToBottom];
+    
+    NSLog(@"[Panel] 添加后消息数: %lu", (unsigned long)self.messages.count);
+}
+
+- (void)kb_updateLastAssistantMessageWithAudioData:(NSData *)audioData duration:(NSTimeInterval)duration {
+    NSLog(@"[Panel] 更新音频数据，duration: %.2f", duration);
+    for (NSInteger i = self.messages.count - 1; i >= 0; i--) {
+        KBChatMessage *msg = self.messages[i];
+        // 只更新 AI 消息（outgoing == NO）且非 loading 状态的
+        if (!msg.outgoing && !msg.isLoading) {
+            msg.audioData = audioData;
+            msg.audioDuration = duration;
+            
+            // 不刷新 Cell，避免打断打字机效果
+            if (duration > 0) {
+                msg.needsTypewriterEffect = NO;
+                msg.isComplete = YES;
+            }
+            NSLog(@"[Panel] ✅ 音频数据已更新");
+            break;
+        }
+    }
+}
+
+- (void)kb_scrollToBottom {
+    if (self.messages.count == 0) return;
+    
+    NSLog(@"[Panel] 滚动到底部，消息数: %lu", (unsigned long)self.messages.count);
+    
+    [self.tableViewInternal layoutIfNeeded];
+    NSIndexPath *indexPath = [NSIndexPath indexPathForRow:self.messages.count - 1 inSection:0];
+    [self.tableViewInternal scrollToRowAtIndexPath:indexPath
+                                  atScrollPosition:UITableViewScrollPositionBottom
+                                          animated:NO]; // 改为 NO，避免动画导致跳动
+}
+
+#pragma mark - Private
+
+- (void)kb_appendMessage:(KBChatMessage *)message {
+    if (!message) return;
+    
+    NSInteger oldCount = self.messages.count;
+    [self.messages addObject:message];
+    NSLog(@"[Panel] kb_appendMessage: oldCount=%ld, newCount=%lu", (long)oldCount, (unsigned long)self.messages.count);
+    
+    // 限制消息数量
+    if (self.messages.count > kKBChatMessageLimit) {
+        NSUInteger overflow = self.messages.count - kKBChatMessageLimit;
+        [self.messages removeObjectsInRange:NSMakeRange(0, overflow)];
+        NSLog(@"[Panel] 消息超限，reloadData");
+        [self.tableViewInternal reloadData];
+    } else {
+        NSLog(@"[Panel] 插入新行: %ld", (long)oldCount);
+        [self.tableViewInternal beginUpdates];
+        NSIndexPath *indexPath = [NSIndexPath indexPathForRow:oldCount inSection:0];
+        [self.tableViewInternal insertRowsAtIndexPaths:@[indexPath] 
+                                      withRowAnimation:UITableViewRowAnimationNone];
+        [self.tableViewInternal endUpdates];
+    }
+    
+    // 直接滚动，不用 dispatch_async
+    [self kb_scrollToBottom];
+}
+
+#pragma mark - Actions
+
+- (void)kb_onTapClose {
+    if ([self.delegate respondsToSelector:@selector(chatPanelViewDidTapClose:)]) {
+        [self.delegate chatPanelViewDidTapClose:self];
+    }
+}
+
+#pragma mark - UITableViewDataSource
+
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
+    return self.messages.count;
+}
+
+- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
+    if (indexPath.row >= self.messages.count) {
+        NSLog(@"[Panel] ❌ cellForRow 索引越界: %ld >= %lu", (long)indexPath.row, (unsigned long)self.messages.count);
+        return [[UITableViewCell alloc] init];
+    }
+    
+    KBChatMessage *msg = self.messages[indexPath.row];
+    NSLog(@"[Panel] cellForRow[%ld]: outgoing=%d, isLoading=%d", (long)indexPath.row, msg.outgoing, msg.isLoading);
+    
+    if (msg.outgoing) {
+        // 用户消息（右侧）
+        KBChatUserCell *cell = [tableView dequeueReusableCellWithIdentifier:kUserCellIdentifier forIndexPath:indexPath];
+        [cell configureWithMessage:msg];
+        return cell;
+    } else {
+        // AI 消息（左侧）
+        KBChatAssistantCell *cell = [tableView dequeueReusableCellWithIdentifier:kAssistantCellIdentifier forIndexPath:indexPath];
+        cell.delegate = self;
+        [cell configureWithMessage:msg];
+        return cell;
+    }
+}
+
+#pragma mark - UITableViewDelegate
+
+- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
+    return UITableViewAutomaticDimension;
+}
+
+- (CGFloat)tableView:(UITableView *)tableView estimatedHeightForRowAtIndexPath:(NSIndexPath *)indexPath {
+    return 60.0;
+}
+
+- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
+    if (indexPath.row >= self.messages.count) { return; }
+    KBChatMessage *msg = self.messages[indexPath.row];
+    if ([self.delegate respondsToSelector:@selector(chatPanelView:didTapMessage:)]) {
+        [self.delegate chatPanelView:self didTapMessage:msg];
+    }
+}
+
+#pragma mark - KBChatAssistantCellDelegate
+
+- (void)assistantCell:(KBChatAssistantCell *)cell didTapVoiceButtonForMessage:(KBChatMessage *)message {
+    if ([self.delegate respondsToSelector:@selector(chatPanelView:didTapVoiceButtonForMessage:)]) {
+        [self.delegate chatPanelView:self didTapVoiceButtonForMessage:message];
+    }
+}
+
+#pragma mark - Lazy
+
+- (UITableView *)tableViewInternal {
+    if (!_tableViewInternal) {
+        _tableViewInternal = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain];
+        _tableViewInternal.backgroundColor = [UIColor clearColor];
+        _tableViewInternal.backgroundView = nil;
+        _tableViewInternal.separatorStyle = UITableViewCellSeparatorStyleNone;
+        _tableViewInternal.dataSource = self;
+        _tableViewInternal.delegate = self;
+        _tableViewInternal.estimatedRowHeight = 60.0;
+        _tableViewInternal.rowHeight = UITableViewAutomaticDimension;
+        // 注册两种 Cell
+        [_tableViewInternal registerClass:KBChatUserCell.class forCellReuseIdentifier:kUserCellIdentifier];
+        [_tableViewInternal registerClass:KBChatAssistantCell.class forCellReuseIdentifier:kAssistantCellIdentifier];
+        if (@available(iOS 11.0, *)) {
+            _tableViewInternal.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
+        }
+    }
+    return _tableViewInternal;
+}
+
+- (UIView *)headerView {
+    if (!_headerView) {
+        _headerView = [[UIView alloc] init];
+        _headerView.backgroundColor = [UIColor clearColor];
+        [_headerView addSubview:self.titleLabel];
+        [_headerView addSubview:self.closeButton];
+
+        [self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.left.equalTo(_headerView.mas_left).offset(12);
+            make.centerY.equalTo(_headerView);
+        }];
+
+        [self.closeButton mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.right.equalTo(_headerView.mas_right).offset(-12);
+            make.centerY.equalTo(_headerView);
+            make.width.height.mas_equalTo(KBFit(24.0f));
+        }];
+    }
+    return _headerView;
+}
+
+- (UILabel *)titleLabel {
+    if (!_titleLabel) {
+        _titleLabel = [[UILabel alloc] init];
+        _titleLabel.hidden = true;
+        _titleLabel.font = [UIFont systemFontOfSize:13 weight:UIFontWeightMedium];
+        _titleLabel.textColor =
+            [UIColor kb_dynamicColorWithLightColor:[UIColor colorWithHex:0x1B1F1A]
+                                         darkColor:[UIColor whiteColor]];
+        _titleLabel.text = KBLocalized(@"AI对话");
+    }
+    return _titleLabel;
+}
+
+- (UIButton *)closeButton {
+    if (!_closeButton) {
+        _closeButton = [UIButton buttonWithType:UIButtonTypeCustom];
+        UIImage *icon = [UIImage imageNamed:@"close_icon"];
+        [_closeButton setImage:icon forState:UIControlStateNormal];
+        _closeButton.backgroundColor = [UIColor clearColor];
+        [_closeButton addTarget:self
+                         action:@selector(kb_onTapClose)
+               forControlEvents:UIControlEventTouchUpInside];
+    }
+    return _closeButton;
+}
+
+#pragma mark - Expose
+
+- (UITableView *)tableView { return self.tableViewInternal; }
+
+@end

CustomKeyboard/View/Chat/KBChatUserCell.h

@@ -0,0 +1,19 @@
+//
+//  KBChatUserCell.h
+//  CustomKeyboard
+//
+//  用户消息 Cell（右侧显示）
+//
+
+#import <UIKit/UIKit.h>
+@class KBChatMessage;
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface KBChatUserCell : UITableViewCell
+
+- (void)configureWithMessage:(KBChatMessage *)message;
+
+@end
+
+NS_ASSUME_NONNULL_END

CustomKeyboard/View/Chat/KBChatUserCell.m

@@ -0,0 +1,85 @@
+//
+//  KBChatUserCell.m
+//  CustomKeyboard
+//
+//  用户消息 Cell（右侧显示）
+//
+
+#import "KBChatUserCell.h"
+#import "KBChatMessage.h"
+#import "Masonry.h"
+
+@interface KBChatUserCell ()
+
+@property (nonatomic, strong) UIView *bubbleView;
+@property (nonatomic, strong) UILabel *messageLabel;
+
+@end
+
+@implementation KBChatUserCell
+
+- (instancetype)initWithStyle:(UITableViewCellStyle)style
+              reuseIdentifier:(NSString *)reuseIdentifier {
+    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
+    if (self) {
+        self.backgroundColor = [UIColor clearColor];
+        self.contentView.backgroundColor = [UIColor clearColor];
+        self.selectionStyle = UITableViewCellSelectionStyleNone;
+        [self setupUI];
+    }
+    return self;
+}
+
+- (void)setupUI {
+    [self.contentView addSubview:self.bubbleView];
+    [self.bubbleView addSubview:self.messageLabel];
+    
+    [self.bubbleView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.top.equalTo(self.contentView).offset(4);
+        make.bottom.equalTo(self.contentView).offset(-4);
+        make.right.equalTo(self.contentView).offset(-12);
+        make.width.lessThanOrEqualTo(self.contentView).multipliedBy(0.7);
+        make.height.greaterThanOrEqualTo(@36);
+    }];
+    
+    [self.messageLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.top.equalTo(self.bubbleView).offset(8);
+        make.bottom.equalTo(self.bubbleView).offset(-8);
+        make.left.equalTo(self.bubbleView).offset(12);
+        make.right.equalTo(self.bubbleView).offset(-12);
+    }];
+}
+
+- (void)configureWithMessage:(KBChatMessage *)message {
+    self.messageLabel.text = message.text ?: @"";
+}
+
+- (void)prepareForReuse {
+    [super prepareForReuse];
+    self.messageLabel.text = @"";
+}
+
+#pragma mark - Lazy
+
+- (UIView *)bubbleView {
+    if (!_bubbleView) {
+        _bubbleView = [[UIView alloc] init];
+        _bubbleView.backgroundColor = [UIColor colorWithHex:0x02BEAC];
+        _bubbleView.layer.cornerRadius = 12;
+        _bubbleView.layer.masksToBounds = YES;
+    }
+    return _bubbleView;
+}
+
+- (UILabel *)messageLabel {
+    if (!_messageLabel) {
+        _messageLabel = [[UILabel alloc] init];
+        _messageLabel.numberOfLines = 0;
+        _messageLabel.font = [UIFont systemFontOfSize:14];
+        _messageLabel.textColor = [UIColor whiteColor];
+        _messageLabel.lineBreakMode = NSLineBreakByWordWrapping;
+    }
+    return _messageLabel;
+}
+
+@end

CustomKeyboard/View/Function/KBFunctionTagListView.m

@@ -4,6 +4,7 @@
 
 #import "KBFunctionTagListView.h"
 #import "KBFunctionTagCell.h"
+#import "KBMaiPointReporter.h"
 
 static NSString * const kKBFunctionTagCellId2 = @"KBFunctionTagCellId2";
 static CGFloat  const kKBItemSpace = 4;
@@ -66,8 +67,23 @@ static CGFloat  const kKBItemSpace = 4;
 - (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout minimumLineSpacingForSectionAtIndex:(NSInteger)section { return kKBItemSpace; }
 
 - (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
+    KBTagItemModel *model = (indexPath.item < self.items.count) ? self.items[indexPath.item] : [KBTagItemModel new];
+    NSInteger personaId = 0;
+    if ([model isKindOfClass:KBTagItemModel.class]) {
+        personaId = model.characterId > 0 ? model.characterId : model.tagId;
+    }
+    NSMutableDictionary *extra = [NSMutableDictionary dictionary];
+    extra[@"index"] = @(indexPath.item);
+    extra[@"id"] = @(personaId);
+    if ([model.characterName isKindOfClass:NSString.class] && model.characterName.length > 0) {
+        extra[@"name"] = model.characterName;
+    }
+    [[KBMaiPointReporter sharedReporter] reportClickWithEventName:@"click_keyboard_function_tag_item"
+                                                          pageId:@"keyboard_function_panel"
+                                                       elementId:@"renshe_item"
+                                                           extra:extra.copy
+                                                      completion:nil];
     if ([self.delegate respondsToSelector:@selector(tagListView:didSelectIndex:title:)]) {
-        KBTagItemModel *model = (indexPath.item < self.items.count) ? self.items[indexPath.item] : [KBTagItemModel new];
         [self.delegate tagListView:self didSelectIndex:indexPath.item title:model.characterName];
     }
 }

CustomKeyboard/View/KBChatMessageCell.h

@@ -0,0 +1,38 @@
+//
+//  KBChatMessageCell.h
+//  CustomKeyboard
+//
+
+#import <UIKit/UIKit.h>
+@class KBChatMessage;
+@class KBChatMessageCell;
+
+NS_ASSUME_NONNULL_BEGIN
+
+@protocol KBChatMessageCellDelegate <NSObject>
+@optional
+/// 点击语音播放按钮
+- (void)chatMessageCell:(KBChatMessageCell *)cell didTapVoiceButtonForMessage:(KBChatMessage *)message;
+@end
+
+@interface KBChatMessageCell : UITableViewCell
+
+@property (nonatomic, weak) id<KBChatMessageCellDelegate> delegate;
+
+- (void)kb_configureWithMessage:(KBChatMessage *)message;
+
+/// 更新语音播放状态
+- (void)kb_updateVoicePlayingState:(BOOL)isPlaying;
+
+/// 显示语音加载动画
+- (void)kb_showVoiceLoadingAnimation;
+
+/// 隐藏语音加载动画
+- (void)kb_hideVoiceLoadingAnimation;
+
+/// 停止打字机效果
+- (void)kb_stopTypewriterEffect;
+
+@end
+
+NS_ASSUME_NONNULL_END

CustomKeyboard/View/KBChatMessageCell.m

@@ -0,0 +1,495 @@
+//
+//  KBChatMessageCell.m
+//  CustomKeyboard
+//
+
+#import "KBChatMessageCell.h"
+#import "KBChatMessage.h"
+#import "Masonry.h"
+
+@interface KBChatMessageCell ()
+
+@property (nonatomic, strong) UIImageView *avatarView;
+@property (nonatomic, strong) UILabel *nameLabel;
+@property (nonatomic, strong) UIView *bubbleView;
+@property (nonatomic, strong) UILabel *messageLabel;
+@property (nonatomic, strong) UIImageView *audioIconView;
+@property (nonatomic, strong) UILabel *audioLabel;
+
+/// 语音播放按钮
+@property (nonatomic, strong) UIButton *voiceButton;
+/// 语音时长标签
+@property (nonatomic, strong) UILabel *durationLabel;
+/// 语音加载指示器
+@property (nonatomic, strong) UIActivityIndicatorView *voiceLoadingIndicator;
+/// 消息加载指示器（AI 回复 loading）
+@property (nonatomic, strong) UIActivityIndicatorView *messageLoadingIndicator;
+
+/// 当前消息
+@property (nonatomic, strong) KBChatMessage *currentMessage;
+
+/// 打字机效果
+@property (nonatomic, strong) NSTimer *typewriterTimer;
+@property (nonatomic, copy) NSString *fullText;
+@property (nonatomic, assign) NSInteger currentCharIndex;
+
+@end
+
+@implementation KBChatMessageCell
+
+- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {
+    if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {
+        self.backgroundColor = [UIColor clearColor];
+        self.contentView.backgroundColor = [UIColor clearColor];
+        self.selectionStyle = UITableViewCellSelectionStyleNone;
+
+        [self.contentView addSubview:self.avatarView];
+        [self.contentView addSubview:self.nameLabel];
+        [self.contentView addSubview:self.voiceButton];
+        [self.contentView addSubview:self.durationLabel];
+        [self.contentView addSubview:self.voiceLoadingIndicator];
+        [self.contentView addSubview:self.messageLoadingIndicator];
+        [self.contentView addSubview:self.bubbleView];
+        [self.bubbleView addSubview:self.messageLabel];
+        [self.bubbleView addSubview:self.audioIconView];
+        [self.bubbleView addSubview:self.audioLabel];
+    }
+    return self;
+}
+
+- (void)kb_configureWithMessage:(KBChatMessage *)message {
+    // 先停止之前的打字机效果
+    [self kb_stopTypewriterEffect];
+    
+    self.currentMessage = message;
+    
+    BOOL outgoing = message.outgoing;
+    BOOL audioMessage = (!outgoing && message.audioFilePath.length > 0);
+    UIColor *bubbleColor = outgoing ? [UIColor colorWithHex:0x02BEAC] : [UIColor colorWithWhite:1 alpha:0.95];
+    UIColor *incomingTextColor =
+        [UIColor kb_dynamicColorWithLightColor:[UIColor colorWithHex:0x1B1F1A]
+                                     darkColor:[UIColor whiteColor]];
+    UIColor *textColor = outgoing ? [UIColor whiteColor] : incomingTextColor;
+    UIColor *nameColor =
+        [UIColor kb_dynamicColorWithLightColor:[UIColor colorWithHex:0x6B6F7A]
+                                     darkColor:[UIColor colorWithHex:0xC7CBD4]];
+
+    self.bubbleView.backgroundColor = bubbleColor;
+    self.messageLabel.textColor = textColor;
+    self.audioLabel.textColor = textColor;
+    self.audioIconView.tintColor = textColor;
+    self.audioLabel.text =
+        (message.text.length > 0) ? message.text : KBLocalized(@"语音回复");
+    self.messageLabel.hidden = audioMessage;
+    self.audioIconView.hidden = !audioMessage;
+    self.audioLabel.hidden = !audioMessage;
+
+    UIImage *avatarImage = message.avatarImage;
+    if (!avatarImage) {
+        avatarImage = [self kb_defaultAvatarImage];
+    }
+    self.avatarView.image = avatarImage;
+    self.avatarView.backgroundColor =
+        avatarImage ? [UIColor clearColor] : [UIColor colorWithWhite:0.9 alpha:1.0];
+    self.nameLabel.hidden = outgoing;
+    self.nameLabel.textColor = nameColor;
+    self.nameLabel.text =
+        (message.displayName.length > 0) ? message.displayName : KBLocalized(@"AI助手");
+
+    // 处理 loading 状态
+    if (message.isLoading && !outgoing) {
+        self.bubbleView.hidden = YES;
+        self.voiceButton.hidden = YES;
+        self.durationLabel.hidden = YES;
+        [self.messageLoadingIndicator startAnimating];
+        [self kb_layoutForOutgoing:outgoing audioMessage:NO];
+        return;
+    }
+    
+    // 非 loading 状态
+    [self.messageLoadingIndicator stopAnimating];
+    self.bubbleView.hidden = NO;
+    
+    // 语音按钮显示逻辑（仅 AI 消息且有 audioId 或 audioData）
+    BOOL hasAudio = (!outgoing) && (message.audioId.length > 0 || message.audioData.length > 0);
+    self.voiceButton.hidden = !hasAudio;
+    self.durationLabel.hidden = !hasAudio;
+    if (hasAudio && message.audioDuration > 0) {
+        NSInteger seconds = (NSInteger)ceil(message.audioDuration);
+        self.durationLabel.text = [NSString stringWithFormat:@"%ld\"", (long)seconds];
+    } else {
+        self.durationLabel.text = @"";
+    }
+    
+    // 打字机效果
+    if (!outgoing && message.needsTypewriterEffect && !message.isComplete && message.text.length > 0) {
+        [self kb_startTypewriterEffectWithText:message.text];
+    } else {
+        self.messageLabel.attributedText = nil;
+        self.messageLabel.text = message.text ?: @"";
+    }
+
+    [self kb_layoutForOutgoing:outgoing audioMessage:audioMessage];
+}
+
+- (void)kb_layoutForOutgoing:(BOOL)outgoing audioMessage:(BOOL)audioMessage {
+    CGFloat avatarSize = 28.0;
+    [self.avatarView mas_remakeConstraints:^(MASConstraintMaker *make) {
+        make.width.height.mas_equalTo(avatarSize);
+        make.top.equalTo(self.contentView.mas_top).offset(6);
+        if (outgoing) {
+            make.right.equalTo(self.contentView.mas_right).offset(-8);
+        } else {
+            make.left.equalTo(self.contentView.mas_left).offset(8);
+        }
+    }];
+
+    if (outgoing) {
+        [self.nameLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
+            make.top.equalTo(self.contentView.mas_top).offset(0);
+            make.left.equalTo(self.contentView.mas_left);
+        }];
+        // 用户消息不显示语音按钮
+        [self.voiceButton mas_remakeConstraints:^(MASConstraintMaker *make) {
+            make.width.height.mas_equalTo(0);
+            make.left.top.equalTo(self.contentView);
+        }];
+        [self.durationLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
+            make.width.height.mas_equalTo(0);
+            make.left.top.equalTo(self.contentView);
+        }];
+    } else {
+        [self.nameLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
+            make.left.equalTo(self.avatarView.mas_right).offset(6);
+            make.top.equalTo(self.contentView.mas_top).offset(2);
+            make.right.lessThanOrEqualTo(self.contentView.mas_right).offset(-12);
+        }];
+        // AI 消息语音按钮
+        [self.voiceButton mas_remakeConstraints:^(MASConstraintMaker *make) {
+            make.left.equalTo(self.avatarView.mas_right).offset(6);
+            make.top.equalTo(self.nameLabel.mas_bottom).offset(4);
+            make.width.height.mas_equalTo(20);
+        }];
+        [self.durationLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
+            make.left.equalTo(self.voiceButton.mas_right).offset(4);
+            make.centerY.equalTo(self.voiceButton);
+        }];
+        [self.voiceLoadingIndicator mas_remakeConstraints:^(MASConstraintMaker *make) {
+            make.center.equalTo(self.voiceButton);
+        }];
+    }
+    
+    // 消息加载指示器
+    [self.messageLoadingIndicator mas_remakeConstraints:^(MASConstraintMaker *make) {
+        if (outgoing) {
+            make.right.equalTo(self.avatarView.mas_left).offset(-10);
+        } else {
+            make.left.equalTo(self.avatarView.mas_right).offset(10);
+        }
+        make.top.equalTo(self.nameLabel.mas_bottom).offset(8);
+    }];
+
+    [self.bubbleView mas_remakeConstraints:^(MASConstraintMaker *make) {
+        make.width.lessThanOrEqualTo(self.contentView.mas_width).multipliedBy(0.65);
+        if (outgoing) {
+            make.top.equalTo(self.contentView.mas_top).offset(6);
+            make.bottom.equalTo(self.contentView.mas_bottom).offset(-6);
+            make.right.equalTo(self.avatarView.mas_left).offset(-6);
+        } else {
+            // AI 消息：气泡在语音按钮下方
+            make.top.equalTo(self.voiceButton.mas_bottom).offset(4);
+            make.bottom.equalTo(self.contentView.mas_bottom).offset(-6);
+            make.left.equalTo(self.avatarView.mas_right).offset(6);
+            make.right.lessThanOrEqualTo(self.contentView.mas_right).offset(-12);
+        }
+    }];
+
+    if (audioMessage) {
+        [self.messageLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
+            make.width.height.mas_equalTo(0);
+            make.left.equalTo(self.bubbleView.mas_left);
+            make.top.equalTo(self.bubbleView.mas_top);
+        }];
+        [self.audioIconView mas_remakeConstraints:^(MASConstraintMaker *make) {
+            make.left.equalTo(self.bubbleView.mas_left).offset(10);
+            make.centerY.equalTo(self.bubbleView);
+            make.width.height.mas_equalTo(16);
+        }];
+        [self.audioLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
+            make.left.equalTo(self.audioIconView.mas_right).offset(6);
+            make.centerY.equalTo(self.bubbleView);
+            make.right.equalTo(self.bubbleView.mas_right).offset(-10);
+            make.top.greaterThanOrEqualTo(self.bubbleView.mas_top).offset(8);
+            make.bottom.lessThanOrEqualTo(self.bubbleView.mas_bottom).offset(-8);
+        }];
+    } else {
+        [self.audioIconView mas_remakeConstraints:^(MASConstraintMaker *make) {
+            make.width.height.mas_equalTo(0);
+            make.left.equalTo(self.bubbleView.mas_left);
+            make.top.equalTo(self.bubbleView.mas_top);
+        }];
+        [self.audioLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
+            make.width.height.mas_equalTo(0);
+            make.left.equalTo(self.audioIconView.mas_right);
+            make.top.equalTo(self.bubbleView.mas_top);
+        }];
+        [self.messageLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
+            make.edges.equalTo(self.bubbleView).insets(UIEdgeInsetsMake(8, 10, 8, 10));
+        }];
+    }
+}
+
+#pragma mark - Typewriter Effect
+
+- (void)kb_startTypewriterEffectWithText:(NSString *)text {
+    if (text.length == 0) return;
+    
+    self.fullText = text;
+    self.currentCharIndex = 0;
+    
+    // 先设置完整文本让布局计算正确高度
+    self.messageLabel.text = text;
+    [self.contentView setNeedsLayout];
+    [self.contentView layoutIfNeeded];
+    
+    // 应用打字机效果
+    dispatch_async(dispatch_get_main_queue(), ^{
+        NSMutableAttributedString *attributedText = [[NSMutableAttributedString alloc] initWithString:text];
+        [attributedText addAttribute:NSForegroundColorAttributeName
+                               value:[UIColor clearColor]
+                               range:NSMakeRange(0, text.length)];
+        [attributedText addAttribute:NSFontAttributeName
+                               value:self.messageLabel.font
+                               range:NSMakeRange(0, text.length)];
+        self.messageLabel.attributedText = attributedText;
+        
+        self.typewriterTimer = [NSTimer scheduledTimerWithTimeInterval:0.03
+                                                                target:self
+                                                              selector:@selector(kb_typewriterTick)
+                                                              userInfo:nil
+                                                               repeats:YES];
+        [[NSRunLoop currentRunLoop] addTimer:self.typewriterTimer forMode:NSRunLoopCommonModes];
+        [self kb_typewriterTick];
+    });
+}
+
+- (void)kb_typewriterTick {
+    NSString *text = self.fullText;
+    if (!text || text.length == 0) {
+        [self kb_stopTypewriterEffect];
+        return;
+    }
+    
+    if (self.currentCharIndex < text.length) {
+        self.currentCharIndex++;
+        
+        NSMutableAttributedString *attributedText = [[NSMutableAttributedString alloc] initWithString:text];
+        UIColor *textColor = self.messageLabel.textColor ?: [UIColor blackColor];
+        
+        if (self.currentCharIndex > 0) {
+            [attributedText addAttribute:NSForegroundColorAttributeName
+                                   value:textColor
+                                   range:NSMakeRange(0, self.currentCharIndex)];
+        }
+        if (self.currentCharIndex < text.length) {
+            [attributedText addAttribute:NSForegroundColorAttributeName
+                                   value:[UIColor clearColor]
+                                   range:NSMakeRange(self.currentCharIndex, text.length - self.currentCharIndex)];
+        }
+        [attributedText addAttribute:NSFontAttributeName
+                               value:self.messageLabel.font
+                               range:NSMakeRange(0, text.length)];
+        
+        self.messageLabel.attributedText = attributedText;
+    } else {
+        [self kb_stopTypewriterEffect];
+        
+        // 显示完整文本
+        NSMutableAttributedString *attributedText = [[NSMutableAttributedString alloc] initWithString:text];
+        UIColor *textColor = self.messageLabel.textColor ?: [UIColor blackColor];
+        [attributedText addAttribute:NSForegroundColorAttributeName
+                               value:textColor
+                               range:NSMakeRange(0, text.length)];
+        [attributedText addAttribute:NSFontAttributeName
+                               value:self.messageLabel.font
+                               range:NSMakeRange(0, text.length)];
+        self.messageLabel.attributedText = attributedText;
+        
+        // 标记完成
+        if (self.currentMessage) {
+            self.currentMessage.isComplete = YES;
+            self.currentMessage.needsTypewriterEffect = NO;
+        }
+    }
+}
+
+- (void)kb_stopTypewriterEffect {
+    if (self.typewriterTimer && self.typewriterTimer.isValid) {
+        [self.typewriterTimer invalidate];
+    }
+    self.typewriterTimer = nil;
+    self.currentCharIndex = 0;
+    self.fullText = nil;
+}
+
+#pragma mark - Voice Button
+
+- (void)kb_updateVoicePlayingState:(BOOL)isPlaying {
+    UIImage *icon = nil;
+    if (@available(iOS 13.0, *)) {
+        icon = isPlaying ? [UIImage systemImageNamed:@"pause.circle.fill"] : [UIImage systemImageNamed:@"play.circle.fill"];
+    }
+    [self.voiceButton setImage:icon forState:UIControlStateNormal];
+}
+
+- (void)kb_showVoiceLoadingAnimation {
+    [self.voiceButton setImage:nil forState:UIControlStateNormal];
+    [self.voiceLoadingIndicator startAnimating];
+}
+
+- (void)kb_hideVoiceLoadingAnimation {
+    [self.voiceLoadingIndicator stopAnimating];
+    UIImage *icon = nil;
+    if (@available(iOS 13.0, *)) {
+        icon = [UIImage systemImageNamed:@"play.circle.fill"];
+    }
+    [self.voiceButton setImage:icon forState:UIControlStateNormal];
+}
+
+- (void)kb_onVoiceButtonTapped {
+    if ([self.delegate respondsToSelector:@selector(chatMessageCell:didTapVoiceButtonForMessage:)]) {
+        [self.delegate chatMessageCell:self didTapVoiceButtonForMessage:self.currentMessage];
+    }
+}
+
+#pragma mark - Reuse
+
+- (void)prepareForReuse {
+    [super prepareForReuse];
+    [self kb_stopTypewriterEffect];
+    self.messageLabel.text = @"";
+    self.messageLabel.attributedText = nil;
+    [self.messageLoadingIndicator stopAnimating];
+    [self.voiceLoadingIndicator stopAnimating];
+}
+
+- (void)dealloc {
+    [self kb_stopTypewriterEffect];
+}
+
+#pragma mark - Lazy
+
+- (UIImageView *)avatarView {
+    if (!_avatarView) {
+        _avatarView = [[UIImageView alloc] init];
+        _avatarView.contentMode = UIViewContentModeScaleAspectFill;
+        _avatarView.layer.cornerRadius = 14;
+        _avatarView.layer.masksToBounds = YES;
+        _avatarView.backgroundColor = [UIColor colorWithWhite:0.9 alpha:1.0];
+        _avatarView.tintColor =
+            [UIColor kb_dynamicColorWithLightColor:[UIColor colorWithHex:0xB9BDC8]
+                                         darkColor:[UIColor colorWithHex:0x6B6F7A]];
+    }
+    return _avatarView;
+}
+
+- (UILabel *)nameLabel {
+    if (!_nameLabel) {
+        _nameLabel = [[UILabel alloc] init];
+        _nameLabel.font = [UIFont systemFontOfSize:11];
+        _nameLabel.textColor = [UIColor colorWithHex:0x6B6F7A];
+        _nameLabel.numberOfLines = 1;
+    }
+    return _nameLabel;
+}
+
+- (UIView *)bubbleView {
+    if (!_bubbleView) {
+        _bubbleView = [[UIView alloc] init];
+        _bubbleView.layer.cornerRadius = 12;
+        _bubbleView.layer.masksToBounds = YES;
+    }
+    return _bubbleView;
+}
+
+- (UILabel *)messageLabel {
+    if (!_messageLabel) {
+        _messageLabel = [[UILabel alloc] init];
+        _messageLabel.font = [UIFont systemFontOfSize:14];
+        _messageLabel.numberOfLines = 0;
+    }
+    return _messageLabel;
+}
+
+- (UIImageView *)audioIconView {
+    if (!_audioIconView) {
+        _audioIconView = [[UIImageView alloc] init];
+        _audioIconView.contentMode = UIViewContentModeScaleAspectFit;
+        _audioIconView.tintColor = [UIColor colorWithHex:0x1B1F1A];
+        UIImage *icon = nil;
+        if (@available(iOS 13.0, *)) {
+            icon = [UIImage systemImageNamed:@"waveform"];
+        }
+        _audioIconView.image = icon;
+    }
+    return _audioIconView;
+}
+
+- (UILabel *)audioLabel {
+    if (!_audioLabel) {
+        _audioLabel = [[UILabel alloc] init];
+        _audioLabel.font = [UIFont systemFontOfSize:14 weight:UIFontWeightMedium];
+        _audioLabel.numberOfLines = 1;
+    }
+    return _audioLabel;
+}
+
+- (UIButton *)voiceButton {
+    if (!_voiceButton) {
+        _voiceButton = [UIButton buttonWithType:UIButtonTypeCustom];
+        UIImage *icon = nil;
+        if (@available(iOS 13.0, *)) {
+            icon = [UIImage systemImageNamed:@"play.circle.fill"];
+        }
+        [_voiceButton setImage:icon forState:UIControlStateNormal];
+        _voiceButton.tintColor = [UIColor whiteColor];
+        [_voiceButton addTarget:self action:@selector(kb_onVoiceButtonTapped) forControlEvents:UIControlEventTouchUpInside];
+    }
+    return _voiceButton;
+}
+
+- (UILabel *)durationLabel {
+    if (!_durationLabel) {
+        _durationLabel = [[UILabel alloc] init];
+        _durationLabel.font = [UIFont systemFontOfSize:11];
+        _durationLabel.textColor = [UIColor whiteColor];
+    }
+    return _durationLabel;
+}
+
+- (UIActivityIndicatorView *)voiceLoadingIndicator {
+    if (!_voiceLoadingIndicator) {
+        _voiceLoadingIndicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleMedium];
+        _voiceLoadingIndicator.color = [UIColor whiteColor];
+        _voiceLoadingIndicator.hidesWhenStopped = YES;
+    }
+    return _voiceLoadingIndicator;
+}
+
+- (UIActivityIndicatorView *)messageLoadingIndicator {
+    if (!_messageLoadingIndicator) {
+        _messageLoadingIndicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleMedium];
+        _messageLoadingIndicator.color = [UIColor whiteColor];
+        _messageLoadingIndicator.hidesWhenStopped = YES;
+    }
+    return _messageLoadingIndicator;
+}
+
+- (UIImage *)kb_defaultAvatarImage {
+    if (@available(iOS 13.0, *)) {
+        return [UIImage systemImageNamed:@"person.circle.fill"];
+    }
+    return nil;
+}
+
+@end

CustomKeyboard/View/KBFunctionBarView.m

@@ -18,6 +18,7 @@
 @end
 
 @implementation KBFunctionBarView
+static const CGFloat kKBBackButtonWidth = 40;
 
 - (instancetype)initWithFrame:(CGRect)frame{
     if (self = [super initWithFrame:frame]) {
@@ -83,14 +84,14 @@
     UIButton *appButton = [UIButton buttonWithType:UIButtonTypeCustom];
     appButton.tag = 100; // 左侧 index = 0
     UIImage *appImage = [UIImage imageNamed:@"App_icon"];
-    [appButton setImage:appImage forState:UIControlStateNormal];
+    [appButton setBackgroundImage:appImage forState:UIControlStateNormal];
     appButton.imageView.contentMode = UIViewContentModeScaleAspectFit;
     appButton.adjustsImageWhenHighlighted = YES;
     [appButton addTarget:self action:@selector(onLeftTap:) forControlEvents:UIControlEventTouchUpInside];
     [self.leftContainer addSubview:appButton];
     [appButton mas_makeConstraints:^(MASConstraintMaker *make) {
         make.center.equalTo(self.leftContainer);
-        make.width.height.mas_equalTo(34); // 设计图尺寸
+        make.width.height.mas_equalTo(kKBBackButtonWidth); // 设计图尺寸
     }];
     self.leftButtonsInternal = @[appButton];
 

CustomKeyboard/View/KBFunctionTagCell.m

@@ -6,118 +6,125 @@
 //
 
 #import "KBFunctionTagCell.h"
+#import "KBFunctionView.h"
 #import "Masonry.h"
 
 @interface KBFunctionTagCell ()
-@property (nonatomic, strong) UILabel *emojiLabel;
-@property (nonatomic, strong) UILabel *titleLabelInternal;
-@property (nonatomic, strong) UIActivityIndicatorView *loadingView;
+@property(nonatomic, strong) UILabel *emojiLabel;
+@property(nonatomic, strong) UILabel *titleLabelInternal;
+@property(nonatomic, strong) UIActivityIndicatorView *loadingView;
 @end
 
 @implementation KBFunctionTagCell
 
 - (instancetype)initWithFrame:(CGRect)frame {
-    if (self = [super initWithFrame:frame]) {
-        self.contentView.backgroundColor = [UIColor colorWithWhite:1 alpha:0.9];
-        self.contentView.layer.cornerRadius = 12;
-        self.contentView.layer.masksToBounds = YES;
+  if (self = [super initWithFrame:frame]) {
+    self.contentView.backgroundColor = [KBFunctionView kb_cellBackgroundColor];
+    self.contentView.layer.cornerRadius = 12;
+    self.contentView.layer.masksToBounds = YES;
 
-        // 小菊花：默认隐藏，放在整体内容右侧偏内的位置
-        [self.contentView addSubview:self.loadingView];
-        [self.loadingView mas_makeConstraints:^(MASConstraintMaker *make) {
-            make.center.equalTo(self.contentView);
-            make.width.height.mas_equalTo(16);
-        }];
+    // 小菊花：默认隐藏，放在整体内容右侧偏内的位置
+    [self.contentView addSubview:self.loadingView];
+    [self.loadingView mas_makeConstraints:^(MASConstraintMaker *make) {
+      make.center.equalTo(self.contentView);
+      make.width.height.mas_equalTo(16);
+    }];
 
-        // 中心容器：将 icon + title 组合整体水平居中
-        UIView *centerContainer = [[UIView alloc] init];
-        centerContainer.backgroundColor = [UIColor clearColor];
-        [self.contentView addSubview:centerContainer];
-        [centerContainer mas_makeConstraints:^(MASConstraintMaker *make) {
-            make.centerX.equalTo(self.contentView.mas_centerX);
-            make.centerY.equalTo(self.contentView.mas_centerY);
-            make.left.greaterThanOrEqualTo(self.contentView.mas_left).offset(6);
-            make.right.lessThanOrEqualTo(self.contentView).offset(-6);
-        }];
+    // 中心容器：将 icon + title 组合整体水平居中
+    UIView *centerContainer = [[UIView alloc] init];
+    centerContainer.backgroundColor = [UIColor clearColor];
+    [self.contentView addSubview:centerContainer];
+    [centerContainer mas_makeConstraints:^(MASConstraintMaker *make) {
+      make.centerX.equalTo(self.contentView.mas_centerX);
+      make.centerY.equalTo(self.contentView.mas_centerY);
+      make.left.greaterThanOrEqualTo(self.contentView.mas_left).offset(6);
+      make.right.lessThanOrEqualTo(self.contentView).offset(-6);
+    }];
 
-        [centerContainer addSubview:self.emojiLabel];
-        [centerContainer addSubview:self.titleLabelInternal];
+    [centerContainer addSubview:self.emojiLabel];
+    [centerContainer addSubview:self.titleLabelInternal];
 
-        [self.emojiLabel mas_makeConstraints:^(MASConstraintMaker *make) {
-            make.left.equalTo(centerContainer.mas_left);
-            make.centerY.equalTo(centerContainer.mas_centerY);
-            // 留出一点余量，避免 emoji 字形在右侧被裁剪
-            make.width.height.mas_equalTo(24);
-        }];
-        [self.titleLabelInternal mas_makeConstraints:^(MASConstraintMaker *make) {
-            make.left.equalTo(self.emojiLabel.mas_right).offset(3);
-            make.top.equalTo(centerContainer.mas_top);
-            make.bottom.equalTo(centerContainer.mas_bottom);
-            make.right.equalTo(centerContainer.mas_right);
-        }];
-    }
-    return self;
+    [self.emojiLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+      make.left.equalTo(centerContainer.mas_left);
+      make.centerY.equalTo(centerContainer.mas_centerY);
+      // 留出一点余量，避免 emoji 字形在右侧被裁剪
+      make.width.height.mas_equalTo(24);
+    }];
+    [self.titleLabelInternal mas_makeConstraints:^(MASConstraintMaker *make) {
+      make.left.equalTo(self.emojiLabel.mas_right).offset(3);
+      make.top.equalTo(centerContainer.mas_top);
+      make.bottom.equalTo(centerContainer.mas_bottom);
+      make.right.equalTo(centerContainer.mas_right);
+    }];
+  }
+  return self;
 }
 
-- (void)setItemModel:(KBTagItemModel *)itemModel{
-    _itemModel = itemModel;
-    self.emojiLabel.text = itemModel.emoji;
-    self.titleLabelInternal.text = itemModel.characterName;
+- (void)setItemModel:(KBTagItemModel *)itemModel {
+  _itemModel = itemModel;
+  self.emojiLabel.text = itemModel.emoji;
+  self.titleLabelInternal.text = itemModel.characterName;
 }
 
 #pragma mark - Lazy
 
 - (UILabel *)emojiLabel {
-    if (!_emojiLabel) {
-        _emojiLabel = [[UILabel alloc] init];
-        _emojiLabel.textAlignment = NSTextAlignmentCenter;
-        _emojiLabel.font = [KBFont medium:20];
-        _emojiLabel.adjustsFontSizeToFitWidth = YES;
-
-    }
-    return _emojiLabel;
+  if (!_emojiLabel) {
+    _emojiLabel = [[UILabel alloc] init];
+    _emojiLabel.textAlignment = NSTextAlignmentCenter;
+    _emojiLabel.font = [KBFont medium:20];
+    _emojiLabel.adjustsFontSizeToFitWidth = YES;
+  }
+  return _emojiLabel;
 }
 
 - (UILabel *)titleLabelInternal {
-    if (!_titleLabelInternal) {
-        _titleLabelInternal = [[UILabel alloc] init];
-        _titleLabelInternal.font = [KBFont medium:10];
-        _titleLabelInternal.textColor = [UIColor colorWithHex:0x1B1F1A];
-        // 最多两行，文本过长时末尾截断
-        _titleLabelInternal.numberOfLines = 2;
-        _titleLabelInternal.lineBreakMode = NSLineBreakByTruncatingTail;
-    }
-    return _titleLabelInternal;
+  if (!_titleLabelInternal) {
+    _titleLabelInternal = [[UILabel alloc] init];
+    _titleLabelInternal.font = [KBFont medium:10];
+    _titleLabelInternal.textColor = [KBFunctionView kb_cellTextColor];
+    // 最多两行，文本过长时末尾截断
+    _titleLabelInternal.numberOfLines = 2;
+    _titleLabelInternal.lineBreakMode = NSLineBreakByTruncatingTail;
+  }
+  return _titleLabelInternal;
 }
 
 #if __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000
-static UIActivityIndicatorViewStyle KBSpinnerStyle(void) { return UIActivityIndicatorViewStyleMedium; }
+static UIActivityIndicatorViewStyle KBSpinnerStyle(void) {
+  return UIActivityIndicatorViewStyleMedium;
+}
 #else
-static UIActivityIndicatorViewStyle KBSpinnerStyle(void) { return UIActivityIndicatorViewStyleGray; }
+static UIActivityIndicatorViewStyle KBSpinnerStyle(void) {
+  return UIActivityIndicatorViewStyleGray;
+}
 #endif
 
 - (UIActivityIndicatorView *)loadingView {
-    if (!_loadingView) {
-        _loadingView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:KBSpinnerStyle()];
-        _loadingView.hidesWhenStopped = YES;
-        _loadingView.color = [UIColor grayColor];
-        _loadingView.hidden = YES;
-    }
-    return _loadingView;
+  if (!_loadingView) {
+    _loadingView = [[UIActivityIndicatorView alloc]
+        initWithActivityIndicatorStyle:KBSpinnerStyle()];
+    _loadingView.hidesWhenStopped = YES;
+    _loadingView.color = [UIColor grayColor];
+    _loadingView.hidden = YES;
+  }
+  return _loadingView;
 }
 
 #pragma mark - Expose
 
-- (UILabel *)titleLabel { return self.titleLabelInternal; }
+- (UILabel *)titleLabel {
+  return self.titleLabelInternal;
+}
 
 - (void)setLoading:(BOOL)loading {
-    if (loading) {
-        self.loadingView.hidden = NO;
-        [self.loadingView startAnimating];
-    } else {
-        [self.loadingView stopAnimating];
-        self.loadingView.hidden = YES;
-    }
+  if (loading) {
+    self.loadingView.hidden = NO;
+    [self.loadingView startAnimating];
+  } else {
+    [self.loadingView stopAnimating];
+    self.loadingView.hidden = YES;
+  }
 }
 
 @end

CustomKeyboard/View/KBFunctionView.h

@@ -6,13 +6,16 @@
 //
 
 #import <UIKit/UIKit.h>
-@class KBFunctionBarView, KBFunctionPasteView,KBFunctionView;
+@class KBFunctionBarView, KBFunctionPasteView, KBFunctionView;
 
 @protocol KBFunctionViewDelegate <NSObject>
 @optional
-- (void)functionView:(KBFunctionView *_Nullable)functionView didTapToolActionAtIndex:(NSInteger)index;
-- (void)functionView:(KBFunctionView *_Nullable)functionView didRightTapToolActionAtIndex:(NSInteger)index;
-- (void)functionViewDidRequestSubscription:(KBFunctionView *_Nullable)functionView;
+- (void)functionView:(KBFunctionView *_Nullable)functionView
+    didTapToolActionAtIndex:(NSInteger)index;
+- (void)functionView:(KBFunctionView *_Nullable)functionView
+    didRightTapToolActionAtIndex:(NSInteger)index;
+- (void)functionViewDidRequestSubscription:
+    (KBFunctionView *_Nullable)functionView;
 
 @end
 
@@ -21,24 +24,33 @@ NS_ASSUME_NONNULL_BEGIN
 /// 整个功能面板视图：顶部Bar + 粘贴区 + 标签列表 + 右侧操作按钮
 @interface KBFunctionView : UIView
 
-@property (nonatomic, weak) id<KBFunctionViewDelegate> delegate;
+@property(nonatomic, weak) id<KBFunctionViewDelegate> delegate;
 
-
-@property (nonatomic, strong, readonly) UICollectionView *collectionView; // 话术分类/标签列表
-@property (nonatomic, strong, readonly) NSArray<NSString *> *items;       // 简单数据源（演示用）
+@property(nonatomic, strong, readonly)
+    UICollectionView *collectionView; // 话术分类/标签列表
+@property(nonatomic, strong, readonly)
+    NSArray<NSString *> *items; // 简单数据源（演示用）
 
 // 子视图暴露，便于外部接入事件
-@property (nonatomic, strong, readonly) KBFunctionBarView *barView;
-@property (nonatomic, strong, readonly) KBFunctionPasteView *pasteView;
+@property(nonatomic, strong, readonly) KBFunctionBarView *barView;
+@property(nonatomic, strong, readonly) KBFunctionPasteView *pasteView;
 
-@property (nonatomic, strong, readonly) UIButton *pasteButton;  // 右侧-粘贴
-@property (nonatomic, strong, readonly) UIButton *deleteButton; // 右侧-删除
-@property (nonatomic, strong, readonly) UIButton *clearButton;  // 右侧-清空
-@property (nonatomic, strong, readonly) UIButton *sendButton;   // 右侧-发送
+@property(nonatomic, strong, readonly) UIButton *pasteButton;  // 右侧-粘贴
+@property(nonatomic, strong, readonly) UIButton *deleteButton; // 右侧-删除
+@property(nonatomic, strong, readonly) UIButton *clearButton;  // 右侧-清空
+@property(nonatomic, strong, readonly) UIButton *sendButton;   // 右侧-发送
 
 /// 应用当前皮肤（更新背景/强调色）
 - (void)kb_applyTheme;
 
+#pragma mark - Theme Colors (用于 Cell 获取暗黑模式颜色)
+
+/// Cell 背景色：暗黑 #707070，浅色 白色90%透明度
++ (UIColor *)kb_cellBackgroundColor;
+
+/// Cell 文字颜色：暗黑 #FFFFFF，浅色 #1B1F1A
++ (UIColor *)kb_cellTextColor;
+
 @end
 
 NS_ASSUME_NONNULL_END

CustomKeyboard/View/KBKeyBoardMainView.h

@@ -31,6 +31,9 @@ NS_ASSUME_NONNULL_BEGIN
 
 /// emoji 面板点击搜索
 - (void)keyBoardMainViewDidTapEmojiSearch:(KBKeyBoardMainView *)keyBoardMainView;
+
+/// 选择了联想词
+- (void)keyBoardMainView:(KBKeyBoardMainView *)keyBoardMainView didSelectSuggestion:(NSString *)suggestion;
 @end
 
 @interface KBKeyBoardMainView : UIView
@@ -39,6 +42,9 @@ NS_ASSUME_NONNULL_BEGIN
 /// 应用当前皮肤（会触发键区重载以应用按键颜色）
 - (void)kb_applyTheme;
 
+/// 更新联想候选
+- (void)kb_setSuggestions:(NSArray<NSString *> *)suggestions;
+
 @end
 
 NS_ASSUME_NONNULL_END

CustomKeyboard/View/KBKeyBoardMainView.m

@@ -11,29 +11,50 @@
 #import "KBFunctionView.h"
 #import "KBKey.h"
 #import "KBEmojiPanelView.h"
+#import "KBSuggestionBarView.h"
 #import "Masonry.h"
 #import "KBSkinManager.h"
+#import "KBBackspaceUndoManager.h"
+#import "KBKeyboardLayoutConfig.h"
 
-@interface KBKeyBoardMainView ()<KBToolBarDelegate, KBKeyboardViewDelegate, KBEmojiPanelViewDelegate>
+@interface KBKeyBoardMainView ()<KBToolBarDelegate, KBKeyboardViewDelegate, KBEmojiPanelViewDelegate, KBSuggestionBarViewDelegate>
 @property (nonatomic, strong) KBToolBar *topBar;
+@property (nonatomic, strong) KBSuggestionBarView *suggestionBar;
 @property (nonatomic, strong) KBKeyboardView *keyboardView;
 @property (nonatomic, strong) KBEmojiPanelView *emojiView;
 @property (nonatomic, assign) BOOL emojiPanelVisible;
+@property (nonatomic, assign) BOOL suggestionBarHasItems;
 // 注意：功能面板的展示/隐藏由外部控制器决定，此处不再直接管理显隐
 @end
 @implementation KBKeyBoardMainView
 
 - (instancetype)initWithFrame:(CGRect)frame {
     if (self = [super initWithFrame:frame]) {
-        self.backgroundColor = [KBSkinManager shared].current.keyboardBackground;
+//        self.backgroundColor = [KBSkinManager shared].current.keyboardBackground;
+        self.backgroundColor = [UIColor colorWithHex:0xD1D3DB];
 
         // 顶部栏
         self.topBar = [[KBToolBar alloc] init];
         self.topBar.delegate = self;
         [self addSubview:self.topBar];
+
+        // 联想栏
+        self.suggestionBar = [[KBSuggestionBarView alloc] init];
+        self.suggestionBar.delegate = self;
+        self.suggestionBar.hidden = YES;
+        [self addSubview:self.suggestionBar];
+
         // 键盘区域（高度按照设计值做等比缩放，避免不同机型上按键被压缩/拉伸）
         CGFloat keyboardAreaHeight = KBFit(200.0f);
+        KBKeyboardLayoutConfig *layoutConfig = [KBKeyboardLayoutConfig sharedConfig];
+        if (layoutConfig) {
+            CGFloat configHeight = [layoutConfig keyboardAreaScaledHeight];
+            if (configHeight > 0.0) {
+                keyboardAreaHeight = configHeight;
+            }
+        }
         CGFloat bottomInset = KBFit(4.0f);
+//        CGFloat topBarHeight = KBFit(40.0f);
         CGFloat barSpacing = KBFit(6.0f);
 
         self.keyboardView = [[KBKeyboardView alloc] init];
@@ -54,16 +75,43 @@
             make.edges.equalTo(self);
         }];
 
+//        [self.topBar mas_makeConstraints:^(MASConstraintMaker *make) {
+//            make.left.right.equalTo(self);
+//            make.top.equalTo(self.mas_top).offset(0);
+//            make.height.mas_equalTo(topBarHeight);
+//        }];
         [self.topBar mas_makeConstraints:^(MASConstraintMaker *make) {
             make.left.right.equalTo(self);
             make.top.equalTo(self.mas_top).offset(0);
             make.bottom.equalTo(self.keyboardView.mas_top).offset(0);
         }];
+
+        [self.suggestionBar mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.left.right.equalTo(self);
+            make.top.equalTo(self.topBar);
+            make.bottom.equalTo(self.topBar);
+        }];
+
+        [self.keyboardView mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.top.equalTo(self.topBar.mas_bottom).offset(barSpacing);
+        }];
+        // 首次创建时立即生成按键，避免只出现 4 行容器但按键未渲染的情况。
+        [self.keyboardView reloadKeys];
+        // 同步应用一次主题，确保键盘背景与按键皮肤在首帧可见。
+        [self kb_applyTheme];
         // 功能面板切换交由外部控制器处理；此处不直接创建/管理
+        [[NSNotificationCenter defaultCenter] addObserver:self
+                                                 selector:@selector(kb_undoStateChanged)
+                                                     name:KBBackspaceUndoStateDidChangeNotification
+                                                   object:nil];
     }
     return self;
 }
 
+- (void)dealloc {
+    [[NSNotificationCenter defaultCenter] removeObserver:self];
+}
+
 - (void)setEmojiPanelVisible:(BOOL)visible animated:(BOOL)animated {
     if (self.emojiPanelVisible == visible) return;
     self.emojiPanelVisible = visible;
@@ -74,17 +122,24 @@
     } else {
         self.keyboardView.hidden = NO;
         self.topBar.hidden = NO;
+        self.suggestionBar.hidden = !self.suggestionBarHasItems;
     }
 
     void (^changes)(void) = ^{
         self.emojiView.alpha = visible ? 1.0 : 0.0;
         self.keyboardView.alpha = visible ? 0.0 : 1.0;
         self.topBar.alpha = visible ? 0.0 : 1.0;
+        self.suggestionBar.alpha = visible ? 0.0 : ([self kb_shouldShowSuggestions] ? 1.0 : 0.0);
     };
     void (^completion)(BOOL) = ^(BOOL finished) {
         self.emojiView.hidden = !visible;
         self.keyboardView.hidden = visible;
         self.topBar.hidden = visible;
+        if (visible) {
+            self.suggestionBar.hidden = YES;
+        } else {
+            self.suggestionBar.hidden = ![self kb_shouldShowSuggestions];
+        }
     };
 
     if (animated) {
@@ -204,17 +259,50 @@
 
 - (void)kb_applyTheme {
     KBSkinManager *mgr = [KBSkinManager shared];
-    BOOL hasImg = ([mgr currentBackgroundImage] != nil);
-    UIColor *bg = mgr.current.keyboardBackground;
-    self.backgroundColor = hasImg ? [UIColor clearColor] : bg;
-    self.keyboardView.backgroundColor = hasImg ? [UIColor clearColor] : bg;
+    self.backgroundColor = [UIColor clearColor];
+    self.keyboardView.backgroundColor = [UIColor clearColor];
     if ([self.topBar respondsToSelector:@selector(kb_applyTheme)]) {
         [self.topBar kb_applyTheme];
     }
+    [self.suggestionBar applyTheme:mgr.current];
     [self.keyboardView reloadKeys];
     if (self.emojiView) {
         [self.emojiView applyTheme:mgr.current];
     }
 }
 
+#pragma mark - Suggestions
+
+- (void)kb_setSuggestions:(NSArray<NSString *> *)suggestions {
+    self.suggestionBarHasItems = (suggestions.count > 0);
+    [self.suggestionBar updateSuggestions:suggestions];
+    [self kb_applySuggestionVisibility];
+}
+
+#pragma mark - KBSuggestionBarViewDelegate
+
+- (void)suggestionBarView:(KBSuggestionBarView *)view didSelectSuggestion:(NSString *)suggestion {
+    if ([self.delegate respondsToSelector:@selector(keyBoardMainView:didSelectSuggestion:)]) {
+        [self.delegate keyBoardMainView:self didSelectSuggestion:suggestion];
+    }
+}
+
+- (void)kb_undoStateChanged {
+    [self kb_applySuggestionVisibility];
+}
+
+- (BOOL)kb_shouldShowSuggestions {
+    if (self.emojiPanelVisible) { return NO; }
+    if (![KBBackspaceUndoManager shared].hasUndo && self.suggestionBarHasItems) {
+        return YES;
+    }
+    return NO;
+}
+
+- (void)kb_applySuggestionVisibility {
+    BOOL shouldShow = [self kb_shouldShowSuggestions];
+    self.suggestionBar.hidden = !shouldShow;
+    self.suggestionBar.alpha = shouldShow ? 1.0 : 0.0;
+}
+
 @end

CustomKeyboard/View/KBKeyButton.h

@@ -11,6 +11,7 @@
 
 @property (nonatomic, strong) KBKey *key;
 @property (nonatomic, strong) UIImageView *iconView;
+@property (nonatomic, strong, nullable) UIColor *customBackgroundColor;
 
 /// 配置基础样式（背景、圆角等）。创建按钮时调用。
 - (void)applyDefaultStyle;

CustomKeyboard/View/KBKeyButton.m

@@ -6,12 +6,14 @@
 #import "KBKeyButton.h"
 #import "KBKey.h"
 #import "KBSkinManager.h"
+#import <QuartzCore/QuartzCore.h>
 
 @interface KBKeyButton ()
 // 内部缓存：便于从按钮查找到所属的 KBKeyboardView
 @property (nonatomic, weak, readonly) UIView *kb_keyboardContainer;
 @property (nonatomic, strong) UIImageView *normalImageView; /// 没有皮肤的时候展示
 @property (nonatomic, strong) UIColor *baseBackgroundColor; /// 无按下状态下，由皮肤/主题决定的底色（由 normalImageView 展示）
+@property (nonatomic, strong) CAGradientLayer *bottomShadowLayer;
 
 @end
 
@@ -24,8 +26,8 @@
         [NSLayoutConstraint activateConstraints:@[
             [self.normalImageView.topAnchor constraintEqualToAnchor:self.topAnchor],
             [self.normalImageView.bottomAnchor constraintEqualToAnchor:self.bottomAnchor],
-            [self.normalImageView.leadingAnchor constraintEqualToAnchor:self.leadingAnchor constant:2],
-            [self.normalImageView.trailingAnchor constraintEqualToAnchor:self.trailingAnchor constant:-2],
+            [self.normalImageView.leadingAnchor constraintEqualToAnchor:self.leadingAnchor],
+            [self.normalImageView.trailingAnchor constraintEqualToAnchor:self.trailingAnchor],
         ]];
         [self applyDefaultStyle];
     }
@@ -48,6 +50,7 @@
 
     // 初始状态下根据主题设置底色（给没有皮肤图的按键使用）
     [self refreshStateAppearance];
+    [self kb_setupBottomShadowIfNeeded];
 
     // 懒创建图标视图，用于后续皮肤按键小图标展示
     if (!self.iconView) {
@@ -61,8 +64,8 @@
         [NSLayoutConstraint activateConstraints:@[
             [iv.topAnchor constraintEqualToAnchor:self.topAnchor],
             [iv.bottomAnchor constraintEqualToAnchor:self.bottomAnchor],
-            [iv.leadingAnchor constraintEqualToAnchor:self.leadingAnchor constant:2],
-            [iv.trailingAnchor constraintEqualToAnchor:self.trailingAnchor constant:-2],
+            [iv.leadingAnchor constraintEqualToAnchor:self.leadingAnchor],
+            [iv.trailingAnchor constraintEqualToAnchor:self.trailingAnchor],
         ]];
         self.iconView = iv;
 
@@ -72,6 +75,24 @@
     }
 }
 
+- (void)layoutSubviews {
+    [super layoutSubviews];
+    if (!self.bottomShadowLayer) { return; }
+    CGRect bounds = self.normalImageView.bounds;
+    CGFloat shadowHeight = 2;
+    if (CGRectGetHeight(bounds) <= 0 || CGRectGetWidth(bounds) <= 0) {
+        return;
+    }
+    // 有皮肤图时，强制隐藏文字，避免图标与文本叠加
+    if (self.iconView.image != nil) {
+        self.titleLabel.hidden = YES;
+    }
+    self.bottomShadowLayer.frame = CGRectMake(0,
+                                              CGRectGetHeight(bounds) - shadowHeight,
+                                              CGRectGetWidth(bounds),
+                                              shadowHeight);
+}
+
 - (void)setKey:(KBKey *)key {
     _key = key;
 }
@@ -121,14 +142,25 @@
     [self refreshStateAppearance];
 }
 
+- (void)setCustomBackgroundColor:(UIColor *)customBackgroundColor {
+    _customBackgroundColor = customBackgroundColor;
+    [self refreshStateAppearance];
+}
+
 - (void)refreshStateAppearance {
     // 选中态用于 Shift/CapsLock 等特殊按键的高亮显示
     KBSkinTheme *t = [KBSkinManager shared].current;
     UIColor *base = nil;
     if (self.isSelected) {
         base = t.keyHighlightBackground ?: t.keyBackground;
+        if (self.customBackgroundColor) {
+            base = t.keyHighlightBackground ?: self.customBackgroundColor;
+        }
     } else {
-        base = t.keyBackground;
+        base = self.customBackgroundColor ?: t.keyBackground;
+    }
+    if (self.customBackgroundColor && self.key.type == KBKeyTypeShift) {
+        base = self.customBackgroundColor;
     }
     if (!base) {
         base = [UIColor whiteColor];
@@ -138,6 +170,13 @@
     // 按键背景统一由 normalImageView 控制，按钮本身透明
     self.backgroundColor = [UIColor clearColor];
 
+    if (self.key.type == KBKeyTypeShift) {
+        UIColor *textColor = self.isSelected ? [UIColor blackColor] : (t.keyTextColor ?: [UIColor blackColor]);
+        [self setTitleColor:textColor forState:UIControlStateNormal];
+        [self setTitleColor:textColor forState:UIControlStateHighlighted];
+        [self setTitleColor:textColor forState:UIControlStateSelected];
+    }
+
     // 有皮肤图时仅展示 icon，不再显示普通背景色
     if (self.iconView.image != nil || self.normalImageView.hidden) {
         return;
@@ -169,6 +208,7 @@
 
     BOOL hasIcon = (iconImg != nil);
     self.normalImageView.hidden = hasIcon;
+    self.bottomShadowLayer.hidden = hasIcon;
     if (hasIcon) {
         // 有图标：仅显示图片，完全隐藏文字
         [self setTitle:@"" forState:UIControlStateNormal];
@@ -184,6 +224,19 @@
     }
 }
 
+- (void)kb_setupBottomShadowIfNeeded {
+    if (self.bottomShadowLayer) { return; }
+    CAGradientLayer *layer = [CAGradientLayer layer];
+    layer.startPoint = CGPointMake(0.5, 0.0);
+    layer.endPoint = CGPointMake(0.5, 1.0);
+    layer.colors = @[
+        (id)[UIColor colorWithWhite:0 alpha:0.5].CGColor,
+        (id)[UIColor colorWithWhite:0 alpha:0.7].CGColor
+    ];
+    [self.normalImageView.layer addSublayer:layer];
+//    self.bottomShadowLayer = layer;
+}
+
 - (UIImageView *)normalImageView{
     if (!_normalImageView) {
         _normalImageView = [[UIImageView alloc] init];

CustomKeyboard/View/KBKeyboardView.m

@@ -9,6 +9,7 @@
 #import "KBSkinManager.h"
 #import "KBKeyPreviewView.h"
 #import "KBBackspaceLongPressHandler.h"
+#import "KBKeyboardLayoutConfig.h"
 
 // UI 常量统一管理，方便后续调试样式（以 375 宽设计稿为基准，通过 KBFit 做等比缩放）
 #define kKBRowVerticalSpacing  KBFit(8.0f)
@@ -33,20 +34,21 @@ static const CGFloat kKBLettersRow2EdgeSpacerMultiplier = 0.5;
 @property (nonatomic, strong) NSArray<NSArray<KBKey *> *> *keysForRows;
 @property (nonatomic, strong) KBBackspaceLongPressHandler *backspaceHandler;
 @property (nonatomic, strong) KBKeyPreviewView *previewView;
+@property (nonatomic, strong) KBKeyboardLayoutConfig *layoutConfig;
 @end
 
 @implementation KBKeyboardView
 
 - (instancetype)initWithFrame:(CGRect)frame {
     if (self = [super initWithFrame:frame]) {
-        self.backgroundColor = [KBSkinManager shared].current.keyboardBackground;
+        self.backgroundColor = [UIColor clearColor];
         _layoutStyle = KBKeyboardLayoutStyleLetters;
         // 默认小写：与需求一致，初始不开启 Shift
         _shiftOn = NO;
         _symbolsMoreOn = NO; // 数字面板默认第一页（123）
+        self.layoutConfig = [KBKeyboardLayoutConfig sharedConfig];
         self.backspaceHandler = [[KBBackspaceLongPressHandler alloc] initWithContainerView:self];
         [self buildBase];
-        [self reloadKeys];
     }
     return self;
 }
@@ -67,26 +69,39 @@ static const CGFloat kKBLettersRow2EdgeSpacerMultiplier = 0.5;
     [self addSubview:self.row3];
     [self addSubview:self.row4];
 
+    KBKeyboardLayoutConfig *config = [self kb_layoutConfig];
+    KBKeyboardLayout *layout = [self kb_layoutForName:@"letters"];
+    NSArray<KBKeyboardRowConfig *> *rows = layout.rows ?: @[];
+
+    CGFloat rowSpacing = [self kb_metricValue:config.metrics.rowSpacing fallback:nil defaultValue:8.0];
+    CGFloat topInset = [self kb_metricValue:config.metrics.topInset fallback:nil defaultValue:8.0];
+    CGFloat bottomInset = [self kb_metricValue:config.metrics.bottomInset fallback:nil defaultValue:6.0];
+
+    CGFloat row1Height = [self kb_rowHeightForRow:(rows.count > 0 ? rows[0] : nil)];
+    CGFloat row2Height = [self kb_rowHeightForRow:(rows.count > 1 ? rows[1] : nil)];
+    CGFloat row3Height = [self kb_rowHeightForRow:(rows.count > 2 ? rows[2] : nil)];
+    CGFloat row4Height = [self kb_rowHeightForRow:(rows.count > 3 ? rows[3] : nil)];
+
     [self.row1 mas_makeConstraints:^(MASConstraintMaker *make) {
-        make.top.equalTo(self.mas_top).offset(kKBRowVerticalSpacing);
+        make.top.equalTo(self.mas_top).offset(topInset);
         make.left.right.equalTo(self);
-        make.height.mas_equalTo(kKBRowHeight);
+        make.height.mas_equalTo(row1Height);
     }];
     [self.row2 mas_makeConstraints:^(MASConstraintMaker *make) {
-        make.top.equalTo(self.row1.mas_bottom).offset(kKBRowVerticalSpacing);
+        make.top.equalTo(self.row1.mas_bottom).offset(rowSpacing);
         make.left.right.equalTo(self);
-        make.height.equalTo(self.row1);
+        make.height.mas_equalTo(row2Height);
     }];
     [self.row3 mas_makeConstraints:^(MASConstraintMaker *make) {
-        make.top.equalTo(self.row2.mas_bottom).offset(kKBRowVerticalSpacing);
+        make.top.equalTo(self.row2.mas_bottom).offset(rowSpacing);
         make.left.right.equalTo(self);
-        make.height.equalTo(self.row1);
+        make.height.mas_equalTo(row3Height);
     }];
     [self.row4 mas_makeConstraints:^(MASConstraintMaker *make) {
-        make.top.equalTo(self.row3.mas_bottom).offset(kKBRowVerticalSpacing);
+        make.top.equalTo(self.row3.mas_bottom).offset(rowSpacing);
         make.left.right.equalTo(self);
-        make.height.equalTo(self.row1);
-        make.bottom.equalTo(self.mas_bottom).offset(-6);
+        make.height.mas_equalTo(row4Height);
+        make.bottom.equalTo(self.mas_bottom).offset(-bottomInset);
     }];
 }
 
@@ -99,18 +114,125 @@ static const CGFloat kKBLettersRow2EdgeSpacerMultiplier = 0.5;
         [row.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
     }
 
-    self.keysForRows = [self buildKeysForCurrentLayout];
-    if (self.keysForRows.count < 4) return;
+    KBKeyboardLayout *layout = [self kb_currentLayout];
+    NSArray<KBKeyboardRowConfig *> *rows = layout.rows ?: @[];
+    if (rows.count < 4) {
+        [self kb_buildLegacyLayout];
+        return;
+    }
 
-    [self buildRow:self.row1 withKeys:self.keysForRows[0]];
+    [self buildRow:self.row1 withRowConfig:rows[0]];
+    [self buildRow:self.row2 withRowConfig:rows[1]];
+    [self buildRow:self.row3 withRowConfig:rows[2]];
+    [self buildRow:self.row4 withRowConfig:rows[3]];
 
-    // 第二行：字母布局时通过左右等宽占位让整行居中
-    CGFloat row2Spacer = (self.layoutStyle == KBKeyboardLayoutStyleLetters)
-                         ? kKBLettersRow2EdgeSpacerMultiplier : 0.0;
-    [self buildRow:self.row2 withKeys:self.keysForRows[1] edgeSpacerMultiplier:row2Spacer];
+    NSUInteger totalButtons = [self kb_totalKeyButtonCount];
+    if (totalButtons == 0) {
+        NSLog(@"[KBKeyboardView] config layout produced no keys, fallback to legacy.");
+        for (UIView *row in @[self.row1, self.row2, self.row3, self.row4]) {
+            [row.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
+        }
+        [self kb_buildLegacyLayout];
+    }
+}
 
-    [self buildRow:self.row3 withKeys:self.keysForRows[2]];
-    [self buildRow:self.row4 withKeys:self.keysForRows[3]];
+- (void)didMoveToWindow {
+    [super didMoveToWindow];
+    if (!self.window) { return; }
+    if ([self kb_totalKeyButtonCount] > 0) { return; }
+    // 兜底：系统编辑菜单切出切回等场景下，若按键丢失则自动重建。
+    [self reloadKeys];
+    // 自动重建后再触发一次上层主题应用，避免“按键恢复了但皮肤背景没恢复”。
+    UIView *container = self.superview;
+    if ([container respondsToSelector:@selector(kb_applyTheme)]) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
+        [container performSelector:@selector(kb_applyTheme)];
+#pragma clang diagnostic pop
+    }
+}
+
+- (NSUInteger)kb_totalKeyButtonCount {
+    NSUInteger total = 0;
+    for (UIView *row in @[self.row1, self.row2, self.row3, self.row4]) {
+        total += [self kb_collectKeyButtonsInView:row].count;
+    }
+    return total;
+}
+
+#pragma mark - Hit Test
+
+- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event {
+    UIView *hit = [super hitTest:point withEvent:event];
+    if ([hit isKindOfClass:[KBKeyButton class]]) {
+        return hit;
+    }
+    if ([self kb_isHitInsideKeyRows:hit]) {
+        KBKeyButton *btn = [self kb_nearestKeyButtonForPoint:point];
+        if (btn) { return btn; }
+    }
+    return hit;
+}
+
+- (BOOL)kb_isHitInsideKeyRows:(UIView *)hitView {
+    if (!hitView) { return NO; }
+    if (hitView == self) { return YES; }
+    if ([hitView isDescendantOfView:self.row1]) { return YES; }
+    if ([hitView isDescendantOfView:self.row2]) { return YES; }
+    if ([hitView isDescendantOfView:self.row3]) { return YES; }
+    if ([hitView isDescendantOfView:self.row4]) { return YES; }
+    return NO;
+}
+
+- (KBKeyButton *)kb_nearestKeyButtonForPoint:(CGPoint)point {
+    KBKeyButton *best = nil;
+    CGFloat bestDistance = CGFLOAT_MAX;
+    NSArray<UIView *> *rows = @[self.row1, self.row2, self.row3, self.row4];
+
+    UIView *targetRow = nil;
+    for (UIView *row in rows) {
+        CGRect rowFrame = [self convertRect:row.bounds fromView:row];
+        if (CGRectContainsPoint(rowFrame, point)) {
+            targetRow = row;
+            break;
+        }
+    }
+
+    NSArray<UIView *> *candidateRows = targetRow ? @[targetRow] : rows;
+    for (UIView *row in candidateRows) {
+        NSArray<KBKeyButton *> *buttons = [self kb_collectKeyButtonsInView:row];
+        for (KBKeyButton *btn in buttons) {
+            CGRect frame = [self convertRect:btn.frame fromView:btn.superview];
+            CGFloat dx = point.x - CGRectGetMidX(frame);
+            CGFloat dy = point.y - CGRectGetMidY(frame);
+            CGFloat dist = (dx * dx) + (dy * dy);
+            if (dist < bestDistance) {
+                bestDistance = dist;
+                best = btn;
+            }
+        }
+    }
+    return best;
+}
+
+- (NSArray<KBKeyButton *> *)kb_collectKeyButtonsInView:(UIView *)view {
+    if (!view) { return @[]; }
+    NSMutableArray<KBKeyButton *> *buttons = [NSMutableArray array];
+    [self kb_collectKeyButtonsInView:view into:buttons];
+    return buttons.copy;
+}
+
+- (void)kb_collectKeyButtonsInView:(UIView *)view
+                              into:(NSMutableArray<KBKeyButton *> *)buttons {
+    for (UIView *sub in view.subviews) {
+        if ([sub isKindOfClass:[KBKeyButton class]]) {
+            [buttons addObject:(KBKeyButton *)sub];
+            continue;
+        }
+        if (sub.subviews.count > 0) {
+            [self kb_collectKeyButtonsInView:sub into:buttons];
+        }
+    }
 }
 
 #pragma mark - Key Model Construction
@@ -315,6 +437,152 @@ static const CGFloat kKBLettersRow2EdgeSpacerMultiplier = 0.5;
 
 #pragma mark - Row Building
 
+- (void)buildRow:(UIView *)row withRowConfig:(KBKeyboardRowConfig *)rowConfig {
+    if (!row || !rowConfig) { return; }
+    CGFloat gap = [self kb_gapForRow:rowConfig];
+    CGFloat insetLeft = [self kb_insetLeftForRow:rowConfig];
+    CGFloat insetRight = [self kb_insetRightForRow:rowConfig];
+
+    if (rowConfig.segments) {
+        KBKeyboardRowSegments *segments = rowConfig.segments;
+        NSArray<KBKeyboardRowItem *> *leftItems = [segments leftItems];
+        NSArray<KBKeyboardRowItem *> *centerItems = [segments centerItems];
+        NSArray<KBKeyboardRowItem *> *rightItems = [segments rightItems];
+        UIView *leftContainer = [UIView new];
+        UIView *centerContainer = [UIView new];
+        UIView *rightContainer = [UIView new];
+        [row addSubview:leftContainer];
+        [row addSubview:centerContainer];
+        [row addSubview:rightContainer];
+
+        [leftContainer mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.left.equalTo(row.mas_left).offset(insetLeft);
+            make.top.bottom.equalTo(row);
+        }];
+        [rightContainer mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.right.equalTo(row.mas_right).offset(-insetRight);
+            make.top.bottom.equalTo(row);
+        }];
+        [centerContainer mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.centerX.equalTo(row);
+            make.top.bottom.equalTo(row);
+            make.left.greaterThanOrEqualTo(leftContainer.mas_right).offset(gap);
+            make.right.lessThanOrEqualTo(rightContainer.mas_left).offset(-gap);
+        }];
+
+        if (leftItems.count == 0) {
+            [leftContainer mas_makeConstraints:^(MASConstraintMaker *make) {
+                make.width.mas_equalTo(0);
+            }];
+        }
+        if (centerItems.count == 0) {
+            [centerContainer mas_makeConstraints:^(MASConstraintMaker *make) {
+                make.width.mas_equalTo(0);
+            }];
+        }
+        if (rightItems.count == 0) {
+            [rightContainer mas_makeConstraints:^(MASConstraintMaker *make) {
+                make.width.mas_equalTo(0);
+            }];
+        }
+
+        [self kb_buildButtonsInContainer:leftContainer
+                                   items:leftItems
+                                     gap:gap
+                               insetLeft:0
+                              insetRight:0
+                             alignCenter:NO];
+        [self kb_buildButtonsInContainer:centerContainer
+                                   items:centerItems
+                                     gap:gap
+                               insetLeft:0
+                              insetRight:0
+                             alignCenter:NO];
+        [self kb_buildButtonsInContainer:rightContainer
+                                   items:rightItems
+                                     gap:gap
+                               insetLeft:0
+                              insetRight:0
+                             alignCenter:NO];
+        return;
+    }
+
+    BOOL alignCenter = [rowConfig.align.lowercaseString isEqualToString:@"center"];
+    [self kb_buildButtonsInContainer:row
+                               items:[rowConfig resolvedItems]
+                                 gap:gap
+                           insetLeft:insetLeft
+                          insetRight:insetRight
+                         alignCenter:alignCenter];
+}
+
+- (void)kb_buildButtonsInContainer:(UIView *)container
+                             items:(NSArray<KBKeyboardRowItem *> *)items
+                               gap:(CGFloat)gap
+                         insetLeft:(CGFloat)insetLeft
+                        insetRight:(CGFloat)insetRight
+                       alignCenter:(BOOL)alignCenter {
+    if (items.count == 0) { return; }
+
+    UIView *leftSpacer = nil;
+    UIView *rightSpacer = nil;
+    if (alignCenter) {
+        leftSpacer = [UIView new];
+        rightSpacer = [UIView new];
+        [container addSubview:leftSpacer];
+        [container addSubview:rightSpacer];
+        [leftSpacer mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.left.equalTo(container.mas_left).offset(insetLeft);
+            make.top.bottom.equalTo(container);
+        }];
+        [rightSpacer mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.right.equalTo(container.mas_right).offset(-insetRight);
+            make.top.bottom.equalTo(container);
+        }];
+        [leftSpacer mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.width.equalTo(rightSpacer);
+        }];
+    }
+
+    KBKeyButton *previous = nil;
+    for (KBKeyboardRowItem *item in items) {
+        KBKeyButton *btn = [self kb_buttonForItem:item];
+        if (!btn) { continue; }
+        [container addSubview:btn];
+
+        [btn mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.top.bottom.equalTo(container);
+            if (previous) {
+                make.left.equalTo(previous.mas_right).offset(gap);
+            } else {
+                if (leftSpacer) {
+                    make.left.equalTo(leftSpacer.mas_right).offset(gap);
+                } else {
+                    make.left.equalTo(container.mas_left).offset(insetLeft);
+                }
+            }
+        }];
+
+        CGFloat width = [self kb_widthForItem:item key:btn.key];
+        if (width > 0.0) {
+            [btn mas_makeConstraints:^(MASConstraintMaker *make) {
+                make.width.mas_equalTo(width);
+            }];
+        }
+
+        previous = btn;
+    }
+
+    if (!previous) { return; }
+    [previous mas_makeConstraints:^(MASConstraintMaker *make) {
+        if (rightSpacer) {
+            make.right.equalTo(rightSpacer.mas_left).offset(-gap);
+        } else {
+            make.right.equalTo(container.mas_right).offset(-insetRight);
+        }
+    }];
+}
+
 - (void)buildRow:(UIView *)row withKeys:(NSArray<KBKey *> *)keys {
     [self buildRow:row withKeys:keys edgeSpacerMultiplier:0.0];
 }
@@ -358,7 +626,7 @@ edgeSpacerMultiplier:(CGFloat)edgeSpacerMultiplier {
         [btn setTitle:key.title forState:UIControlStateNormal];
         // 在设置完标题后，按当前皮肤应用图标与文字显隐
         [btn applyThemeForCurrentKey];
-        [btn addTarget:self action:@selector(onKeyTapped:) forControlEvents:UIControlEventTouchUpInside];
+        [btn addTarget:self action:@selector(onKeyTapped:) forControlEvents:UIControlEventTouchDown];
         [row addSubview:btn];
 
         if (key.type == KBKeyTypeBackspace) {
@@ -581,6 +849,386 @@ edgeSpacerMultiplier:(CGFloat)edgeSpacerMultiplier {
     // Space 不设置宽度；通过此前已建立的左右约束自动占满剩余宽度。
 }
 
+#pragma mark - Config Helpers
+
+- (KBKeyboardLayoutConfig *)kb_layoutConfig {
+    if (!self.layoutConfig) {
+        self.layoutConfig = [KBKeyboardLayoutConfig sharedConfig];
+    }
+    return self.layoutConfig;
+}
+
+- (KBKeyboardLayout *)kb_layoutForName:(NSString *)name {
+    return [[self kb_layoutConfig] layoutForName:name];
+}
+
+- (KBKeyboardLayout *)kb_currentLayout {
+    if (self.layoutStyle == KBKeyboardLayoutStyleNumbers) {
+        return [self kb_layoutForName:(self.symbolsMoreOn ? @"symbolsMore" : @"numbers")];
+    }
+    return [self kb_layoutForName:@"letters"];
+}
+
+- (void)kb_buildLegacyLayout {
+    self.keysForRows = [self buildKeysForCurrentLayout];
+    if (self.keysForRows.count < 4) { return; }
+
+    [self buildRow:self.row1 withKeys:self.keysForRows[0]];
+
+    CGFloat row2Spacer = (self.layoutStyle == KBKeyboardLayoutStyleLetters)
+                         ? kKBLettersRow2EdgeSpacerMultiplier : 0.0;
+    [self buildRow:self.row2 withKeys:self.keysForRows[1] edgeSpacerMultiplier:row2Spacer];
+
+    [self buildRow:self.row3 withKeys:self.keysForRows[2]];
+    [self buildRow:self.row4 withKeys:self.keysForRows[3]];
+}
+
+- (CGFloat)kb_scaledValue:(CGFloat)designValue {
+    KBKeyboardLayoutConfig *config = [self kb_layoutConfig];
+    if (config) {
+        return [config scaledValue:designValue];
+    }
+    return KBFit(designValue);
+}
+
+- (CGFloat)kb_numberValue:(NSNumber *)value defaultValue:(CGFloat)defaultValue {
+    if ([value isKindOfClass:[NSNumber class]]) {
+        return value.doubleValue;
+    }
+    return defaultValue;
+}
+
+- (CGFloat)kb_metricValue:(NSNumber *)value fallback:(NSNumber *)fallback defaultValue:(CGFloat)defaultValue {
+    CGFloat v = [self kb_numberValue:value defaultValue:-1.0];
+    if (v < 0.0) {
+        v = [self kb_numberValue:fallback defaultValue:defaultValue];
+    }
+    if (v < 0.0) {
+        v = defaultValue;
+    }
+    return [self kb_scaledValue:v];
+}
+
+- (CGFloat)kb_rowHeightForRow:(KBKeyboardRowConfig *)row {
+    KBKeyboardLayoutConfig *config = [self kb_layoutConfig];
+    NSNumber *height = row.height ?: config.metrics.keyHeight;
+    CGFloat value = [self kb_numberValue:height defaultValue:40.0];
+    return [self kb_scaledValue:value];
+}
+
+- (CGFloat)kb_gapForRow:(KBKeyboardRowConfig *)row {
+    KBKeyboardLayoutConfig *config = [self kb_layoutConfig];
+    return [self kb_metricValue:row.gap fallback:config.metrics.gap defaultValue:5.0];
+}
+
+- (CGFloat)kb_insetLeftForRow:(KBKeyboardRowConfig *)row {
+    KBKeyboardLayoutConfig *config = [self kb_layoutConfig];
+    return [self kb_metricValue:row.insetLeft fallback:config.metrics.edgeInset defaultValue:0.0];
+}
+
+- (CGFloat)kb_insetRightForRow:(KBKeyboardRowConfig *)row {
+    KBKeyboardLayoutConfig *config = [self kb_layoutConfig];
+    return [self kb_metricValue:row.insetRight fallback:config.metrics.edgeInset defaultValue:0.0];
+}
+
+- (KBKeyButton *)kb_buttonForItem:(KBKeyboardRowItem *)item {
+    if (item.itemId.length == 0) { return nil; }
+    KBKeyboardKeyDef *def = [[self kb_layoutConfig] keyDefForIdentifier:item.itemId];
+    KBKey *key = [self kb_keyForItemId:item.itemId];
+    if (!key) { return nil; }
+
+    KBKeyButton *btn = [[KBKeyButton alloc] init];
+    btn.key = key;
+    [btn setTitle:key.title forState:UIControlStateNormal];
+
+    UIColor *bgColor = [self kb_backgroundColorForItem:item keyDef:def];
+    if (bgColor) {
+        btn.customBackgroundColor = bgColor;
+    }
+
+    CGFloat fontSize = [self kb_fontSizeForItem:item key:key];
+    if (fontSize > 0.0) {
+        btn.titleLabel.font = [UIFont systemFontOfSize:fontSize weight:UIFontWeightSemibold];
+    }
+
+    [btn applyThemeForCurrentKey];
+    [btn addTarget:self action:@selector(onKeyTapped:) forControlEvents:UIControlEventTouchDown];
+
+    if (key.type == KBKeyTypeBackspace) {
+        [self.backspaceHandler bindDeleteButton:btn showClearLabel:YES];
+    }
+    if (key.type == KBKeyTypeShift) {
+        btn.selected = self.shiftOn;
+    }
+    [self kb_applySymbolIfNeededForButton:btn keyDef:def fontSize:fontSize];
+    return btn;
+}
+
+- (void)kb_applySymbolIfNeededForButton:(KBKeyButton *)button
+                                 keyDef:(KBKeyboardKeyDef *)def
+                               fontSize:(CGFloat)fontSize {
+    if (!button || !def) { return; }
+    if (button.iconView.image != nil) { return; }
+    NSString *symbolName = button.isSelected ? def.selectedSymbolName : def.symbolName;
+    if (symbolName.length == 0) { return; }
+
+    UIImage *image = [UIImage systemImageNamed:symbolName];
+    if (!image) { return; }
+
+    UIImageSymbolConfiguration *config = [UIImageSymbolConfiguration configurationWithPointSize:fontSize weight:UIFontWeightSemibold];
+    image = [image imageWithConfiguration:config];
+
+    button.iconView.image = image;
+    button.iconView.hidden = NO;
+    button.iconView.contentMode = UIViewContentModeCenter;
+    button.titleLabel.hidden = YES;
+
+    UIColor *textColor = [KBSkinManager shared].current.keyTextColor ?: [UIColor blackColor];
+    button.iconView.tintColor = button.isSelected ? [UIColor blackColor] : textColor;
+}
+
+- (UIColor *)kb_backgroundColorForItem:(KBKeyboardRowItem *)item keyDef:(KBKeyboardKeyDef *)def {
+    NSString *hex = def.backgroundColor;
+    if (hex.length == 0) {
+        hex = [self kb_layoutConfig].defaultKeyBackground;
+    }
+    if (hex.length == 0) { return nil; }
+    return [KBSkinManager colorFromHexString:hex defaultColor:nil];
+}
+
+- (CGFloat)kb_metricWidthForKey:(NSString *)key {
+    KBKeyboardLayoutMetrics *m = [self kb_layoutConfig].metrics;
+    if ([key isEqualToString:@"letterWidth"]) { return m.letterWidth.doubleValue; }
+    if ([key isEqualToString:@"controlWidth"]) { return m.controlWidth.doubleValue; }
+    if ([key isEqualToString:@"sendWidth"]) { return m.sendWidth.doubleValue; }
+    if ([key isEqualToString:@"symbolsWideWidth"]) { return m.symbolsWideWidth.doubleValue; }
+    if ([key isEqualToString:@"symbolsSideWidth"]) { return m.symbolsSideWidth.doubleValue; }
+    return 0.0;
+}
+
+- (CGFloat)kb_widthForItem:(KBKeyboardRowItem *)item key:(KBKey *)key {
+    CGFloat width = 0.0;
+    if (item.widthValue.doubleValue > 0.0) {
+        width = item.widthValue.doubleValue;
+    } else if (item.width.length > 0) {
+        if ([item.width.lowercaseString isEqualToString:@"flex"]) {
+            return 0.0;
+        }
+        width = [self kb_metricWidthForKey:item.width];
+        if (width <= 0.0) {
+            width = item.width.doubleValue;
+        }
+    }
+
+    if (width <= 0.0) {
+        KBKeyboardLayoutMetrics *m = [self kb_layoutConfig].metrics;
+        if ([item.itemId hasPrefix:@"letter:"] ||
+            [item.itemId hasPrefix:@"digit:"] ||
+            [item.itemId hasPrefix:@"sym:"]) {
+            width = m.letterWidth.doubleValue;
+        } else if (key.type == KBKeyTypeReturn) {
+            width = m.sendWidth.doubleValue;
+        } else if (key.type == KBKeyTypeSpace) {
+            return 0.0;
+        } else {
+            width = m.controlWidth.doubleValue;
+        }
+    }
+
+    if (width <= 0.0) {
+        if ([item.itemId hasPrefix:@"letter:"] ||
+            [item.itemId hasPrefix:@"digit:"] ||
+            [item.itemId hasPrefix:@"sym:"]) {
+            width = 32.0;
+        } else if (key.type == KBKeyTypeReturn) {
+            width = 88.0;
+        } else if (key.type == KBKeyTypeSpace) {
+            return 0.0;
+        } else {
+            width = 41.0;
+        }
+    }
+
+    return width > 0.0 ? [self kb_scaledValue:width] : 0.0;
+}
+
+- (CGFloat)kb_fontSizeForItem:(KBKeyboardRowItem *)item key:(KBKey *)key {
+    NSString *fontKey = nil;
+    if ([item.itemId hasPrefix:@"letter:"]) {
+        fontKey = @"letter";
+    } else if ([item.itemId hasPrefix:@"digit:"]) {
+        fontKey = @"digit";
+    } else if ([item.itemId hasPrefix:@"sym:"]) {
+        fontKey = @"symbol";
+    } else {
+        KBKeyboardKeyDef *def = [[self kb_layoutConfig] keyDefForIdentifier:item.itemId];
+        fontKey = def.font;
+    }
+
+    if (fontKey.length == 0) {
+        switch (key.type) {
+            case KBKeyTypeModeChange:
+            case KBKeyTypeSymbolsToggle:
+                fontKey = @"mode";
+                break;
+            case KBKeyTypeSpace:
+                fontKey = @"space";
+                break;
+            case KBKeyTypeReturn:
+                fontKey = @"send";
+                break;
+            default:
+                fontKey = @"symbol";
+                break;
+        }
+    }
+
+    return [self kb_fontSizeForFontKey:fontKey];
+}
+
+- (CGFloat)kb_fontSizeForFontKey:(NSString *)fontKey {
+    KBKeyboardLayoutFonts *fonts = [self kb_layoutConfig].fonts;
+    CGFloat size = 0.0;
+    if ([fontKey isEqualToString:@"letter"]) { size = fonts.letter.doubleValue; }
+    else if ([fontKey isEqualToString:@"digit"]) { size = fonts.digit.doubleValue; }
+    else if ([fontKey isEqualToString:@"symbol"]) { size = fonts.symbol.doubleValue; }
+    else if ([fontKey isEqualToString:@"mode"]) { size = fonts.mode.doubleValue; }
+    else if ([fontKey isEqualToString:@"space"]) { size = fonts.space.doubleValue; }
+    else if ([fontKey isEqualToString:@"send"]) { size = fonts.send.doubleValue; }
+    if (size <= 0.0) { size = 18.0; }
+    return [self kb_scaledValue:size];
+}
+
+- (KBKey *)kb_keyForItemId:(NSString *)itemId {
+    if (itemId.length == 0) { return nil; }
+    KBKeyboardKeyDef *def = [[self kb_layoutConfig] keyDefForIdentifier:itemId];
+    if (def) {
+        return [self kb_keyFromDef:def identifier:itemId];
+    }
+
+    NSRange range = [itemId rangeOfString:@":"]; 
+    if (range.location != NSNotFound) {
+        NSString *prefix = [itemId substringToIndex:range.location];
+        NSString *value = [itemId substringFromIndex:range.location + 1];
+        if ([prefix isEqualToString:@"letter"]) {
+            if (value.length == 1) {
+                return [self kb_letterKeyWithChar:value];
+            }
+            return nil;
+        }
+        if ([prefix isEqualToString:@"digit"]) {
+            NSString *identifier = [NSString stringWithFormat:@"digit_%@", value];
+            KBKey *k = [KBKey keyWithIdentifier:identifier title:value output:value type:KBKeyTypeCharacter];
+            k.caseVariant = KBKeyCaseVariantNone;
+            return k;
+        }
+        if ([prefix isEqualToString:@"sym"]) {
+            NSString *identifier = [self kb_identifierForSymbol:value];
+            KBKey *k = [KBKey keyWithIdentifier:identifier title:value output:value type:KBKeyTypeCharacter];
+            k.caseVariant = KBKeyCaseVariantNone;
+            return k;
+        }
+    }
+    return nil;
+}
+
+- (KBKey *)kb_keyFromDef:(KBKeyboardKeyDef *)def identifier:(NSString *)identifier {
+    KBKeyType type = [self kb_keyTypeForDef:def];
+    NSString *title = def.title ?: @"";
+    if (type == KBKeyTypeShift && self.shiftOn && def.selectedTitle.length > 0) {
+        title = def.selectedTitle;
+    }
+    NSString *output = @"";
+    switch (type) {
+        case KBKeyTypeSpace:
+            output = @" ";
+            break;
+        case KBKeyTypeReturn:
+            output = @"\n";
+            break;
+        default:
+            output = @"";
+            break;
+    }
+
+    NSString *finalId = identifier;
+    if ([identifier isEqualToString:@"emoji"]) {
+        finalId = KBKeyIdentifierEmojiPanel;
+    } else if ([identifier isEqualToString:@"send"]) {
+        finalId = @"return";
+    }
+
+    KBKey *k = [KBKey keyWithIdentifier:finalId title:title output:output type:type];
+    if (type == KBKeyTypeShift) {
+        k.caseVariant = self.shiftOn ? KBKeyCaseVariantUpper : KBKeyCaseVariantLower;
+    } else {
+        k.caseVariant = KBKeyCaseVariantNone;
+    }
+    return k;
+}
+
+- (KBKeyType)kb_keyTypeForDef:(KBKeyboardKeyDef *)def {
+    NSString *type = def.type.lowercaseString;
+    if ([type isEqualToString:@"shift"]) return KBKeyTypeShift;
+    if ([type isEqualToString:@"backspace"]) return KBKeyTypeBackspace;
+    if ([type isEqualToString:@"mode"]) return KBKeyTypeModeChange;
+    if ([type isEqualToString:@"symbolstoggle"]) return KBKeyTypeSymbolsToggle;
+    if ([type isEqualToString:@"space"]) return KBKeyTypeSpace;
+    if ([type isEqualToString:@"return"]) return KBKeyTypeReturn;
+    if ([type isEqualToString:@"globe"]) return KBKeyTypeGlobe;
+    return KBKeyTypeCustom;
+}
+
+- (NSString *)kb_identifierForSymbol:(NSString *)symbol {
+    if (symbol.length == 0) { return nil; }
+    static NSDictionary<NSString *, NSString *> *map = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        map = @{
+            @"-": @"sym_minus",
+            @"/": @"sym_slash",
+            @":": @"sym_colon",
+            @";": @"sym_semicolon",
+            @"(": @"sym_paren_l",
+            @")": @"sym_paren_r",
+            @"¥": @"sym_money",
+            @"￥": @"sym_money",
+            @"&": @"sym_amp",
+            @"@": @"sym_at",
+            @"\"": @"sym_quote_double",
+            @"“": @"sym_quote_double",
+            @"”": @"sym_quote_double",
+            @".": @"sym_dot",
+            @",": @"sym_comma",
+            @"?": @"sym_question",
+            @"!": @"sym_exclam",
+            @"'": @"sym_quote_single",
+            @"‘": @"sym_quote_single",
+            @"’": @"sym_quote_single",
+            @"[": @"sym_bracket_l",
+            @"]": @"sym_bracket_r",
+            @"{": @"sym_brace_l",
+            @"}": @"sym_brace_r",
+            @"#": @"sym_hash",
+            @"%": @"sym_percent",
+            @"^": @"sym_caret",
+            @"*": @"sym_asterisk",
+            @"+": @"sym_plus",
+            @"=": @"sym_equal",
+            @"_": @"sym_underscore",
+            @"\\": @"sym_backslash",
+            @"|": @"sym_pipe",
+            @"~": @"sym_tilde",
+            @"<": @"sym_lt",
+            @">": @"sym_gt",
+            @"€": @"sym_euro",
+            @"$": @"sym_dollar",
+            @"·": @"sym_bullet"
+        };
+    });
+    return map[symbol];
+}
+
 #pragma mark - Actions
 
 - (void)onKeyTapped:(KBKeyButton *)sender {

CustomKeyboard/View/KBStreamTextView.m

@@ -9,6 +9,7 @@
 
 #import "KBStreamTextView.h"
 #import "KBResponderUtils.h" // 通过响应链找到 UIInputViewController，并将文本输出到宿主
+#import "KBInputBufferManager.h"
 
 @interface KBStreamTextView ()
 
@@ -359,7 +360,6 @@ static inline NSString *KBTrimRight(NSString *s) {
                     contextAfter = proxy.documentContextAfterInput ?: @"";
                 }
             }
-
             NSString *contextBefore = proxy.documentContextBeforeInput ?: @"";
             while (contextBefore.length > 0) {
                 for (NSUInteger i = 0; i < contextBefore.length; i++) {
@@ -371,6 +371,17 @@ static inline NSString *KBTrimRight(NSString *s) {
             if (rawText.length > 0) {
                 [proxy insertText:rawText];
             }
+            NSMutableDictionary *extra = [NSMutableDictionary dictionary];
+            extra[@"send_text"] = rawText ? rawText : @"";
+            extra[@"index"] = index ? rawText : 0;
+
+            [[KBMaiPointReporter sharedReporter]
+                reportClickWithEventName:@"send_stream_text_action"
+                                  pageId:@"keyboard_StreamTextView"
+                               elementId:@"handle_label"
+                                   extra:extra.copy
+                              completion:nil];
+            [[KBInputBufferManager shared] resetWithText:rawText ?: @""];
         }
     }
 }

CustomKeyboard/View/KBSuggestionBarView.h

@@ -0,0 +1,26 @@
+//
+//  KBSuggestionBarView.h
+//  CustomKeyboard
+//
+
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class KBSuggestionBarView;
+@class KBSkinTheme;
+
+@protocol KBSuggestionBarViewDelegate <NSObject>
+- (void)suggestionBarView:(KBSuggestionBarView *)view didSelectSuggestion:(NSString *)suggestion;
+@end
+
+@interface KBSuggestionBarView : UIView
+
+@property (nonatomic, weak) id<KBSuggestionBarViewDelegate> delegate;
+
+- (void)updateSuggestions:(NSArray<NSString *> *)suggestions;
+- (void)applyTheme:(KBSkinTheme *)theme;
+
+@end
+
+NS_ASSUME_NONNULL_END

CustomKeyboard/View/KBSuggestionBarView.m

@@ -0,0 +1,114 @@
+//
+//  KBSuggestionBarView.m
+//  CustomKeyboard
+//
+
+#import "KBSuggestionBarView.h"
+#import "Masonry.h"
+#import "KBSkinManager.h"
+
+@interface KBSuggestionBarView ()
+@property (nonatomic, strong) UIScrollView *scrollView;
+@property (nonatomic, strong) UIStackView *stackView;
+@property (nonatomic, copy) NSArray<NSString *> *items;
+@property (nonatomic, strong) UIColor *pillColor;
+@property (nonatomic, strong) UIColor *textColor;
+@end
+
+@implementation KBSuggestionBarView
+
+- (instancetype)initWithFrame:(CGRect)frame {
+    if (self = [super initWithFrame:frame]) {
+        self.backgroundColor = [UIColor clearColor];
+        [self setupUI];
+    }
+    return self;
+}
+
+- (void)setupUI {
+    [self addSubview:self.scrollView];
+    [self.scrollView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.edges.equalTo(self);
+    }];
+
+    [self.scrollView addSubview:self.stackView];
+    [self.stackView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.edges.equalTo(self.scrollView).insets(UIEdgeInsetsMake(0, 8, 0, 8));
+        make.height.equalTo(self.scrollView);
+    }];
+
+    [self applyTheme:[KBSkinManager shared].current];
+}
+
+- (void)updateSuggestions:(NSArray<NSString *> *)suggestions {
+    self.items = suggestions ?: @[];
+
+    for (UIView *view in self.stackView.arrangedSubviews) {
+        [self.stackView removeArrangedSubview:view];
+        [view removeFromSuperview];
+    }
+
+    for (NSString *item in self.items) {
+        UIButton *btn = [UIButton buttonWithType:UIButtonTypeSystem];
+        btn.layer.cornerRadius = 12.0;
+        btn.layer.masksToBounds = YES;
+        btn.backgroundColor = self.pillColor ?: [UIColor colorWithWhite:1 alpha:0.9];
+        btn.titleLabel.font = [UIFont systemFontOfSize:14 weight:UIFontWeightMedium];
+        [btn setTitle:item forState:UIControlStateNormal];
+        [btn setTitleColor:self.textColor ?: [UIColor blackColor] forState:UIControlStateNormal];
+        btn.contentEdgeInsets = UIEdgeInsetsMake(4, 10, 4, 10);
+        [btn addTarget:self action:@selector(onTapSuggestion:) forControlEvents:UIControlEventTouchUpInside];
+        [self.stackView addArrangedSubview:btn];
+    }
+
+    self.hidden = (self.items.count == 0);
+}
+
+- (void)applyTheme:(KBSkinTheme *)theme {
+    UIColor *bg = theme.keyBackground ?: [UIColor whiteColor];
+    UIColor *text = theme.keyTextColor ?: [UIColor blackColor];
+    UIColor *barBg = [UIColor colorWithHex:0xD1D3DB];
+    self.backgroundColor = barBg;
+    self.pillColor = bg;
+    self.textColor = text;
+
+    for (UIView *view in self.stackView.arrangedSubviews) {
+        if (![view isKindOfClass:[UIButton class]]) { continue; }
+        UIButton *btn = (UIButton *)view;
+        btn.backgroundColor = self.pillColor;
+        [btn setTitleColor:self.textColor forState:UIControlStateNormal];
+    }
+}
+
+#pragma mark - Actions
+
+- (void)onTapSuggestion:(UIButton *)sender {
+    NSString *title = sender.currentTitle ?: @"";
+    if (title.length == 0) { return; }
+    if ([self.delegate respondsToSelector:@selector(suggestionBarView:didSelectSuggestion:)]) {
+        [self.delegate suggestionBarView:self didSelectSuggestion:title];
+    }
+}
+
+#pragma mark - Lazy
+
+- (UIScrollView *)scrollView {
+    if (!_scrollView) {
+        _scrollView = [[UIScrollView alloc] init];
+        _scrollView.showsHorizontalScrollIndicator = NO;
+        _scrollView.alwaysBounceHorizontal = YES;
+    }
+    return _scrollView;
+}
+
+- (UIStackView *)stackView {
+    if (!_stackView) {
+        _stackView = [[UIStackView alloc] init];
+        _stackView.axis = UILayoutConstraintAxisHorizontal;
+        _stackView.alignment = UIStackViewAlignmentCenter;
+        _stackView.spacing = 8.0;
+    }
+    return _stackView;
+}
+
+@end

CustomKeyboard/View/KBToolBar.m

@@ -9,22 +9,29 @@
 #import "KBResponderUtils.h" // 查找 UIInputViewController，用于系统切换输入法
 #import "KBBackspaceUndoManager.h"
 #import "KBSkinManager.h"
+#import <ImageIO/ImageIO.h>
 
 @interface KBToolBar ()
 @property (nonatomic, strong) UIView *leftContainer;
 @property (nonatomic, strong) NSArray<UIButton *> *leftButtonsInternal;
 //@property (nonatomic, strong) UIButton *settingsButtonInternal;
 @property (nonatomic, strong) UIButton *globeButtonInternal;   // 可选：系统“切换输入法”键
+@property (nonatomic, strong) UIImageView *avatarImageView;    // 右侧头像（AppGroup persona_cover.jpg）
 @property (nonatomic, strong) UIButton *undoButtonInternal;    // 右侧撤销删除
 @property (nonatomic, assign) BOOL kbNeedsInputModeSwitchKey;
 @property (nonatomic, assign) BOOL kbUndoVisible;
+@property (nonatomic, assign) BOOL kbAvatarVisible;
+@property (nonatomic, copy, nullable) NSString *kb_cachedPersonaCoverPath;
+@property (nonatomic, strong, nullable) UIImage *kb_cachedPersonaCoverImage;
 @end
 
 @implementation KBToolBar
 
-static NSString * const kKBAIKeyIdentifier = @"ai";
-static const CGFloat kKBAIButtonWidth = 40;
-static const CGFloat kKBAIButtonHeight = 40;
+	static NSString * const kKBAIKeyIdentifier = @"ai";
+	static NSString * const kKBUndoKeyIdentifier = @"key_revoke";
+	static const CGFloat kKBAIButtonWidth = 40;
+	static const CGFloat kKBAIButtonHeight = 40;
+	static const CGFloat kKBAvatarSize = 40;
 
 - (instancetype)initWithFrame:(CGRect)frame{
     if (self = [super initWithFrame:frame]) {
@@ -76,6 +83,7 @@ static const CGFloat kKBAIButtonHeight = 40;
 //    [self addSubview:self.settingsButtonInternal];
     [self addSubview:self.globeButtonInternal];
     [self addSubview:self.undoButtonInternal];
+    [self addSubview:self.avatarImageView];
 
     // 右侧设置按钮
 //    [self.settingsButtonInternal mas_makeConstraints:^(MASConstraintMaker *make) {
@@ -91,12 +99,7 @@ static const CGFloat kKBAIButtonHeight = 40;
         make.width.height.mas_equalTo(32);
     }];
 
-    // 右侧撤销按钮
-    [self.undoButtonInternal mas_makeConstraints:^(MASConstraintMaker *make) {
-        make.right.equalTo(self.mas_right).offset(-12);
-        make.centerY.equalTo(self.mas_centerY);
-        make.height.mas_equalTo(32);
-    }];
+    [self kb_updateRightControlsConstraints];
 
     [self kb_updateLeftContainerConstraints];
 
@@ -169,6 +172,8 @@ static const CGFloat kKBAIButtonHeight = 40;
 
 - (void)kb_applyTheme {
     [self kb_updateAIButtonAppearance];
+    [self kb_updateUndoButtonAppearance];
+    [self kb_updateAvatarAppearance];
 }
 
 - (void)kb_updateAIButtonAppearance {
@@ -205,6 +210,92 @@ static const CGFloat kKBAIButtonHeight = 40;
     }
 }
 
+- (void)kb_updateUndoButtonAppearance {
+    if (!self.undoButtonInternal) { return; }
+
+    KBSkinManager *skinManager = [KBSkinManager shared];
+    UIImage *icon = [skinManager iconImageForKeyIdentifier:kKBUndoKeyIdentifier caseVariant:0];
+    if (!icon) {
+        icon = [UIImage imageNamed:@"key_revoke"];
+    }
+
+    if (icon) {
+        [self.undoButtonInternal setImage:icon forState:UIControlStateNormal];
+        [self.undoButtonInternal setImage:icon forState:UIControlStateHighlighted];
+        [self.undoButtonInternal setImage:icon forState:UIControlStateSelected];
+    } else {
+        [self.undoButtonInternal setImage:nil forState:UIControlStateNormal];
+        [self.undoButtonInternal setImage:nil forState:UIControlStateHighlighted];
+        [self.undoButtonInternal setImage:nil forState:UIControlStateSelected];
+    }
+}
+
+#pragma mark - Avatar
+
+- (void)kb_updateAvatarAppearance {
+    UIImage *img = [self kb_personaCoverImageFromAppGroup];
+    BOOL shouldShow = (img != nil);
+    self.avatarImageView.image = img;
+    if (self.kbAvatarVisible == shouldShow) {
+        self.avatarImageView.hidden = !shouldShow;
+        return;
+    }
+    self.kbAvatarVisible = shouldShow;
+    self.avatarImageView.hidden = !shouldShow;
+    [self kb_updateRightControlsConstraints];
+    [self kb_updateLeftContainerConstraints];
+    [self setNeedsLayout];
+    [self layoutIfNeeded];
+}
+
+- (nullable UIImage *)kb_personaCoverImageFromAppGroup {
+    NSURL *containerURL = [[NSFileManager defaultManager]
+        containerURLForSecurityApplicationGroupIdentifier:AppGroup];
+    if (!containerURL) {
+        return nil;
+    }
+
+    NSString *imagePath =
+        [[containerURL path] stringByAppendingPathComponent:@"persona_cover.jpg"];
+    if (imagePath.length == 0 ||
+        ![[NSFileManager defaultManager] fileExistsAtPath:imagePath]) {
+        self.kb_cachedPersonaCoverPath = nil;
+        self.kb_cachedPersonaCoverImage = nil;
+        return nil;
+    }
+
+    if (self.kb_cachedPersonaCoverImage &&
+        [self.kb_cachedPersonaCoverPath isEqualToString:imagePath]) {
+        return self.kb_cachedPersonaCoverImage;
+    }
+
+    // 头像仅 40pt，直接按像素上限缩略解码，避免每次显示键盘都 full decode 一张大 JPG 顶爆扩展内存。
+    NSUInteger maxPixel = 256;
+    NSURL *url = [NSURL fileURLWithPath:imagePath];
+    CGImageSourceRef source = CGImageSourceCreateWithURL((__bridge CFURLRef)url, NULL);
+    if (!source) {
+        return nil;
+    }
+    NSDictionary *opts = @{
+        (__bridge id)kCGImageSourceCreateThumbnailFromImageAlways : @YES,
+        (__bridge id)kCGImageSourceCreateThumbnailWithTransform : @YES,
+        (__bridge id)kCGImageSourceThumbnailMaxPixelSize : @(maxPixel),
+    };
+    CGImageRef cg = CGImageSourceCreateThumbnailAtIndex(source, 0, (__bridge CFDictionaryRef)opts);
+    CFRelease(source);
+    if (!cg) {
+        return nil;
+    }
+    UIImage *img = [UIImage imageWithCGImage:cg
+                                       scale:[UIScreen mainScreen].scale
+                                 orientation:UIImageOrientationUp];
+    CGImageRelease(cg);
+
+    self.kb_cachedPersonaCoverPath = imagePath;
+    self.kb_cachedPersonaCoverImage = img;
+    return img;
+}
+
 #pragma mark - Actions
 
 - (void)onLeftAction:(UIButton *)sender {
@@ -225,6 +316,16 @@ static const CGFloat kKBAIButtonHeight = 40;
     }
 }
 
+- (void)onAvatarTap {
+    if (!self.kbAvatarVisible || self.avatarImageView.hidden) {
+        return;
+    }
+    // 复用原“语音”入口的 index=1 逻辑（外部会按 index 做面板切换）
+    if ([self.delegate respondsToSelector:@selector(toolBar:didTapActionAtIndex:)]) {
+        [self.delegate toolBar:self didTapActionAtIndex:1];
+    }
+}
+
 #pragma mark - Lazy
 
 - (UIView *)leftContainer {
@@ -235,6 +336,23 @@ static const CGFloat kKBAIButtonHeight = 40;
     return _leftContainer;
 }
 
+- (UIImageView *)avatarImageView {
+    if (!_avatarImageView) {
+        _avatarImageView = [[UIImageView alloc] init];
+        _avatarImageView.hidden = YES;
+        _avatarImageView.backgroundColor = [UIColor colorWithWhite:1 alpha:0.9];
+        _avatarImageView.contentMode = UIViewContentModeScaleAspectFill;
+        _avatarImageView.layer.cornerRadius = kKBAvatarSize * 0.5;
+        _avatarImageView.layer.masksToBounds = YES;
+        _avatarImageView.userInteractionEnabled = YES;
+        UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]
+            initWithTarget:self
+                    action:@selector(onAvatarTap)];
+        [_avatarImageView addGestureRecognizer:tap];
+    }
+    return _avatarImageView;
+}
+
 //- (UIButton *)settingsButtonInternal {
 //    if (!_settingsButtonInternal) {
 //        _settingsButtonInternal = [UIButton buttonWithType:UIButtonTypeSystem];
@@ -262,14 +380,15 @@ static const CGFloat kKBAIButtonHeight = 40;
 
 - (UIButton *)undoButtonInternal {
     if (!_undoButtonInternal) {
-        _undoButtonInternal = [UIButton buttonWithType:UIButtonTypeSystem];
-        _undoButtonInternal.layer.cornerRadius = 16;
-        _undoButtonInternal.layer.masksToBounds = YES;
-        _undoButtonInternal.backgroundColor = [UIColor colorWithWhite:1 alpha:0.9];
-        _undoButtonInternal.titleLabel.font = [UIFont systemFontOfSize:14 weight:UIFontWeightMedium];
-        [_undoButtonInternal setTitle:@"撤销删除" forState:UIControlStateNormal];
-        [_undoButtonInternal setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
-        _undoButtonInternal.contentEdgeInsets = UIEdgeInsetsMake(0, 10, 0, 10);
+        _undoButtonInternal = [UIButton buttonWithType:UIButtonTypeCustom];
+//        _undoButtonInternal.layer.cornerRadius = 16;
+//        _undoButtonInternal.layer.masksToBounds = YES;
+//        _undoButtonInternal.backgroundColor = [UIColor colorWithWhite:1 alpha:0.9];
+//        _undoButtonInternal.titleLabel.font = [UIFont systemFontOfSize:14 weight:UIFontWeightMedium];
+//        [_undoButtonInternal setTitle:@"撤销删除" forState:UIControlStateNormal];
+//        [_undoButtonInternal setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
+//        _undoButtonInternal.contentEdgeInsets = UIEdgeInsetsMake(0, 10, 0, 10);
+        [_undoButtonInternal setImage:[UIImage imageNamed:@"key_revoke"] forState:UIControlStateNormal];
         _undoButtonInternal.hidden = YES;
         _undoButtonInternal.alpha = 0.0;
         [_undoButtonInternal addTarget:self action:@selector(onUndo) forControlEvents:UIControlEventTouchUpInside];
@@ -320,6 +439,8 @@ static const CGFloat kKBAIButtonHeight = 40;
         }
         if (self.kbUndoVisible) {
             make.right.equalTo(self.undoButtonInternal.mas_left).offset(-8);
+        } else if (self.kbAvatarVisible) {
+            make.right.equalTo(self.avatarImageView.mas_left).offset(-8);
         } else {
             make.right.equalTo(self).offset(-12);
         }
@@ -329,6 +450,24 @@ static const CGFloat kKBAIButtonHeight = 40;
     }];
 }
 
+- (void)kb_updateRightControlsConstraints {
+    [self.avatarImageView mas_remakeConstraints:^(MASConstraintMaker *make) {
+        make.right.equalTo(self).offset(-12);
+        make.centerY.equalTo(self).offset(0);
+        make.width.height.mas_equalTo(kKBAvatarSize);
+    }];
+    [self.undoButtonInternal mas_remakeConstraints:^(MASConstraintMaker *make) {
+        if (self.kbAvatarVisible) {
+            make.right.equalTo(self.avatarImageView.mas_left).offset(-8);
+        } else {
+            make.right.equalTo(self).offset(-12);
+        }
+        make.centerY.equalTo(self.mas_centerY);
+        make.height.mas_equalTo(32);
+        make.width.mas_equalTo(84);
+    }];
+}
+
 - (void)kb_undoStateChanged {
     [self kb_updateUndoVisibilityAnimated:YES];
 }
@@ -363,6 +502,7 @@ static const CGFloat kKBAIButtonHeight = 40;
 - (void)didMoveToWindow {
     [super didMoveToWindow];
     [self kb_refreshGlobeVisibility];
+    [self kb_updateAvatarAppearance];
 }
 
 @end

KBMaiPointEventTable.md

@@ -0,0 +1,148 @@
+# KBMaiPoint 埋点事件表（统一口径：iOS / Android / 后端）
+
+## 统一约定（全端一致）
+
+### 1）事件类型（event_type）
+- 页面曝光：`page_exposure`
+- 点击事件：`click`
+
+> iOS 侧可映射为：`KBMaiPointGenericReportTypePage / KBMaiPointGenericReportTypeClick`
+
+### 2）事件名称（event_name）
+- 统一使用 `lower_snake_case`，不绑定任何端的类名/资源名
+- 页面曝光统一前缀：`enter_`
+- 点击事件统一前缀：`click_`
+
+### 3）事件参数（value / params）
+- **所有事件都固定带**：`token`（`NSString`，有就传真实值；没有就传空字符串 `""`）
+- 建议额外固定带：`page_id`（页面/区域统一ID）
+- 点击类事件建议固定带：`element_id`（控件/入口统一ID）
+- 列表/集合类点击建议带：`index`（`NSInteger`）与业务 `id`（如 `theme_id` / `product_id`）
+
+参数示例（最小）：
+```json
+{ "token": "", "page_id": "shop", "element_id": "search_btn" }
+```
+
+---
+
+## A. 主工程（keyBoard）
+
+### A1）页面曝光（触发：VC 的 `viewDidAppear`）
+
+| 注释 | 事件类型 | 事件名称 | page_id | iOS 对应页面 | Android 对应页面 | 触发时机 | 事件参数（示例） |
+|---|---|---|---|---|---|---|---|
+| 进入首页 | page_exposure | enter_home_main | home_main | HomeMainVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"home_main" }` |
+| 进入首页Tab容器 | page_exposure | enter_home | home | HomeVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"home" }` |
+| 进入热门页 | page_exposure | enter_home_hot | home_hot | HomeHotVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"home_hot" }` |
+| 进入排行榜页 | page_exposure | enter_home_rank | home_rank | HomeRankVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"home_rank" }` |
+| 进入排行榜内容页 | page_exposure | enter_home_rank_content | home_rank_content | HomeRankContentVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"home_rank_content" }` |
+| 进入首页底部弹层 | page_exposure | enter_home_sheet | home_sheet | HomeSheetVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"home_sheet" }` |
+| 进入社区页 | page_exposure | enter_community | community | KBCommunityVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"community" }` |
+| 进入搜索页 | page_exposure | enter_search | search | KBSearchVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"search" }` |
+| 进入搜索结果页 | page_exposure | enter_search_result | search_result | KBSearchResultVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"search_result" }` |
+| 进入商店页 | page_exposure | enter_shop | shop | KBShopVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"shop" }` |
+| 进入商店分类列表页 | page_exposure | enter_shop_item_list | shop_item_list | KBShopItemVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"shop_item_list" }` |
+| 进入皮肤详情页 | page_exposure | enter_skin_detail | skin_detail | KBSkinDetailVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"skin_detail", "theme_id":"" }` |
+| 进入我的页 | page_exposure | enter_my | my | MyVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"my" }` |
+| 进入我的皮肤页 | page_exposure | enter_my_skin | my_skin | MySkinVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"my_skin" }` |
+| 进入我的键盘配置页 | page_exposure | enter_my_keyboard | my_keyboard | KBMyKeyBoardVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"my_keyboard" }` |
+| 进入个人信息页 | page_exposure | enter_person_info | person_info | KBPersonInfoVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"person_info" }` |
+| 进入反馈页 | page_exposure | enter_feedback | feedback | KBFeedBackVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"feedback" }` |
+| 进入公告页 | page_exposure | enter_notice | notice | KBNoticeVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"notice" }` |
+| 进入消费记录页 | page_exposure | enter_consumption_record | consumption_record | KBConsumptionRecordVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"consumption_record" }` |
+| 进入VIP购买页 | page_exposure | enter_vip_pay | vip_pay | KBVipPay | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"vip_pay" }` |
+| 进入积分充值页 | page_exposure | enter_points_recharge | points_recharge | KBJfPay | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"points_recharge" }` |
+| 进入登录页 | page_exposure | enter_login | login | KBLoginVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"login" }` |
+| 进入邮箱登录页 | page_exposure | enter_login_email | login_email | KBEmailLoginVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"login_email" }` |
+| 进入邮箱注册页 | page_exposure | enter_register_email | register_email | KBEmailRegistVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"register_email" }` |
+| 进入注册验证码页 | page_exposure | enter_register_verify_email | register_verify_email | KBRegistVerEmailVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"register_verify_email" }` |
+| 进入忘记密码页 | page_exposure | enter_forgot_password_email | forgot_password_email | KBForgetPwdVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"forgot_password_email" }` |
+| 进入忘记密码验证码页 | page_exposure | enter_forgot_password_verify | forgot_password_verify | KBForgetVerPwdVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"forgot_password_verify" }` |
+| 进入忘记密码新密码页 | page_exposure | enter_forgot_password_newpwd | forgot_password_newpwd | KBForgetPwdNewPwdVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"forgot_password_newpwd" }` |
+| 进入键盘权限引导页（App内） | page_exposure | enter_keyboard_permission_guide | keyboard_permission_guide | KBPermissionViewController | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"keyboard_permission_guide" }` |
+| 进入首次引导页 | page_exposure | enter_guide | guide | KBGuideVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"guide" }` |
+| 进入性别选择页 | page_exposure | enter_sex_select | sex_select | KBSexSelVC | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"sex_select" }` |
+| 进入WebView页 | page_exposure | enter_webview | webview | KBWebViewViewController | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"webview", "url":"" }` |
+
+> 测试/工具页（建议仅 DEBUG 或按需接入）：`KBTestVC / KBLangTestVC / KBSkinCenterVC / ViewController / LoginViewController / KBLoginSheetViewController`。
+
+### A2）点击事件（按钮/列表/入口）
+
+| 注释 | 事件类型 | 事件名称 | page_id | element_id | iOS 对应控件/方法 | Android 对应控件 | 触发时机 | 事件参数（示例） |
+|---|---|---|---|---|---|---|---|---|
+| 首页点击“购买会员” | click | click_home_buy_vip_btn | home_main | buy_vip_btn | HomeHeadView `onTapBuyAction` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"home_main", "element_id":"buy_vip_btn" }` |
+| 首页点击“权限悬浮按钮” | click | click_home_permission_float_btn | home_main | permission_float_btn | HomeMainVC `keyPermissButton.clickDragViewBlock` | Android 自定义 | 点击悬浮按钮 | `{ "token":"", "page_id":"home_main", "element_id":"permission_float_btn" }` |
+| 权限引导页点击“去设置” | click | click_permission_open_settings_btn | keyboard_permission_guide | open_settings_btn | KBPermissionViewController `openSettings` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"keyboard_permission_guide", "element_id":"open_settings_btn" }` |
+| 权限引导页点击“关闭” | click | click_permission_close_btn | keyboard_permission_guide | close_btn | KBPermissionViewController `closeButtonAction` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"keyboard_permission_guide", "element_id":"close_btn" }` |
+| 商店页点击“搜索” | click | click_shop_search_btn | shop | search_btn | KBShopVC `searchBtnAction` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"shop", "element_id":"search_btn" }` |
+| 商店页点击“我的皮肤” | click | click_shop_my_skin_btn | shop | my_skin_btn | KBShopVC `skinBtnAction` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"shop", "element_id":"my_skin_btn" }` |
+| 商店列表点击皮肤卡片 | click | click_shop_theme_card | shop_item_list | theme_card | KBShopItemVC `didSelectItemAtIndexPath` | Android 自定义 | didSelect | `{ "token":"", "page_id":"shop_item_list", "element_id":"theme_card", "theme_id":"", "index":0 }` |
+| 皮肤详情点击“下载/购买” | click | click_skin_download_btn | skin_detail | download_btn | KBSkinDetailVC `handleDownloadAction` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"skin_detail", "element_id":"download_btn", "theme_id":"", "purchased":0 }` |
+| 皮肤详情点击“推荐皮肤” | click | click_skin_recommend_card | skin_detail | recommend_card | KBSkinDetailVC `didSelectItemAtIndexPath` | Android 自定义 | didSelect | `{ "token":"", "page_id":"skin_detail", "element_id":"recommend_card", "from_theme_id":"", "to_theme_id":"", "index":0 }` |
+| 搜索栏点击搜索 | click | click_search_submit | search | search_submit | KBSearchBarView `onSearch` | Android 自定义 | 点击搜索 | `{ "token":"", "page_id":"search", "element_id":"search_submit", "keyword_len":0 }` |
+| 搜索页点击历史词条 | click | click_search_history_item | search | history_item | KBSearchVC `didSelectItemAtIndexPath` | Android 自定义 | didSelect | `{ "token":"", "page_id":"search", "element_id":"history_item", "index":0 }` |
+| 搜索页点击“展开更多历史” | click | click_search_history_more | search | history_more | KBSearchVC `didSelectItemAtIndexPath` | Android 自定义 | didSelect | `{ "token":"", "page_id":"search", "element_id":"history_more" }` |
+| 搜索页点击“清空历史” | click | click_search_clear_history | search | clear_history | KBSearchVC `clearHistory`（header trash） | Android 自定义 | 点击垃圾桶 | `{ "token":"", "page_id":"search", "element_id":"clear_history" }` |
+| 搜索页点击推荐皮肤 | click | click_search_recommend_theme | search | recommend_theme_card | KBSearchVC `didSelectItemAtIndexPath` | Android 自定义 | didSelect | `{ "token":"", "page_id":"search", "element_id":"recommend_theme_card", "theme_id":"", "index":0 }` |
+| 搜索结果页点击皮肤 | click | click_search_result_theme | search_result | result_theme_card | KBSearchResultVC `didSelectItemAtIndexPath` | Android 自定义 | didSelect | `{ "token":"", "page_id":"search_result", "element_id":"result_theme_card", "theme_id":"", "index":0 }` |
+| 我的页点击菜单项 | click | click_my_menu_item | my | menu_item | MyVC `didSelectRowAtIndexPath` | Android 自定义 | didSelect | `{ "token":"", "page_id":"my", "element_id":"menu_item", "item_id":"", "item_title":"" }` |
+| 我的页点击“邀请”成功复制 | click | click_my_invite_copy | my | invite_copy | MyVC（邀请分支） | Android 自定义 | 复制时机 | `{ "token":"", "page_id":"my", "element_id":"invite_copy" }` |
+| 反馈页点击提交 | click | click_feedback_commit_btn | feedback | commit_btn | KBFeedBackVC `onTapCommit` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"feedback", "element_id":"commit_btn", "content_len":0 }` |
+| 个人信息点击更换头像 | click | click_person_avatar_edit | person_info | avatar_edit | KBPersonInfoVC `onTapAvatarEdit` | Android 自定义 | tapGesture | `{ "token":"", "page_id":"person_info", "element_id":"avatar_edit" }` |
+| 个人信息点击退出登录 | click | click_person_logout_btn | person_info | logout_btn | KBPersonInfoVC `onTapLogout` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"person_info", "element_id":"logout_btn" }` |
+| 我的键盘页点击保存 | click | click_my_keyboard_save_btn | my_keyboard | save_btn | KBMyKeyBoardVC `onSave` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"my_keyboard", "element_id":"save_btn" }` |
+| 我的皮肤页点击编辑/取消 | click | click_my_skin_toggle_edit | my_skin | toggle_edit | MySkinVC `onToggleEdit` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"my_skin", "element_id":"toggle_edit", "editing":0 }` |
+| 我的皮肤页点击删除 | click | click_my_skin_delete_btn | my_skin | delete_btn | MySkinVC `onDelete` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"my_skin", "element_id":"delete_btn", "selected_count":0 }` |
+| 我的皮肤页点击皮肤（进入详情） | click | click_my_skin_theme_card | my_skin | theme_card | MySkinVC `didSelectItemAtIndexPath` | Android 自定义 | didSelect | `{ "token":"", "page_id":"my_skin", "element_id":"theme_card", "theme_id":"", "index":0 }` |
+| 登录页点击 Apple 登录 | click | click_login_apple_btn | login | apple_btn | KBLoginVC `onTapAppleLogin` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"login", "element_id":"apple_btn" }` |
+| 登录页点击邮箱登录 | click | click_login_email_btn | login | email_btn | KBLoginVC `onTapEmailLogin` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"login", "element_id":"email_btn" }` |
+| 登录页点击注册 | click | click_login_signup_btn | login | signup_btn | KBLoginVC `onTapSignUp` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"login", "element_id":"signup_btn" }` |
+| 登录页点击忘记密码 | click | click_login_forgot_btn | login | forgot_btn | KBLoginVC `onTapForgotPassword` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"login", "element_id":"forgot_btn" }` |
+| 邮箱登录页点击提交 | click | click_login_email_submit_btn | login_email | submit_btn | KBEmailLoginVC `onTapSubmit` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"login_email", "element_id":"submit_btn" }` |
+| 邮箱注册页点击提交 | click | click_register_email_submit_btn | register_email | submit_btn | KBEmailRegistVC `onTapSubmit` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"register_email", "element_id":"submit_btn" }` |
+| 注册验证码页点击确认 | click | click_register_verify_confirm_btn | register_verify_email | confirm_btn | KBRegistVerEmailVC `onTapConfirm` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"register_verify_email", "element_id":"confirm_btn" }` |
+| 忘记密码（邮箱）点击下一步 | click | click_forgot_email_next_btn | forgot_password_email | next_btn | KBForgetPwdVC `onTapNext` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"forgot_password_email", "element_id":"next_btn" }` |
+| 忘记密码（验证码）点击下一步 | click | click_forgot_verify_next_btn | forgot_password_verify | next_btn | KBForgetVerPwdVC `onTapNext` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"forgot_password_verify", "element_id":"next_btn" }` |
+| 忘记密码（新密码）点击下一步 | click | click_forgot_newpwd_next_btn | forgot_password_newpwd | next_btn | KBForgetPwdNewPwdVC `onTapNext` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"forgot_password_newpwd", "element_id":"next_btn" }` |
+| VIP页选择套餐 | click | click_vip_select_plan | vip_pay | plan_item | KBVipPay `didSelectItemAtIndexPath` | Android 自定义 | didSelect | `{ "token":"", "page_id":"vip_pay", "element_id":"plan_item", "product_id":"", "index":0 }` |
+| VIP页点击支付 | click | click_vip_pay_btn | vip_pay | pay_btn | KBVipPay `onTapPayButton` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"vip_pay", "element_id":"pay_btn", "product_id":"" }` |
+| VIP页点击恢复购买 | click | click_vip_restore_btn | vip_pay | restore_btn | KBVipPay `onTapRestoreButton` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"vip_pay", "element_id":"restore_btn" }` |
+| VIP页点击关闭 | click | click_vip_close_btn | vip_pay | close_btn | KBVipPay `onTapClose` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"vip_pay", "element_id":"close_btn" }` |
+| 积分充值页选择商品 | click | click_points_select_product | points_recharge | product_item | KBJfPay `didSelectItemAtIndexPath` | Android 自定义 | didSelect | `{ "token":"", "page_id":"points_recharge", "element_id":"product_item", "product_id":"", "index":0 }` |
+| 积分充值页点击充值 | click | click_points_pay_btn | points_recharge | pay_btn | KBJfPay `onTapPayButton` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"points_recharge", "element_id":"pay_btn", "product_id":"" }` |
+| 引导页点击复制示例1 | click | click_guide_copy_example_1 | guide | copy_example_1 | KBGuideTopCell `kb_onTapQ1` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"guide", "element_id":"copy_example_1" }` |
+| 引导页点击复制示例2 | click | click_guide_copy_example_2 | guide | copy_example_2 | KBGuideTopCell `kb_onTapQ2` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"guide", "element_id":"copy_example_2" }` |
+
+---
+
+## B. 键盘扩展（CustomKeyboard）
+
+### B1）页面曝光（触发：显示/切换时机）
+
+| 注释 | 事件类型 | 事件名称 | page_id | iOS 对应页面/视图 | Android 对应页面 | 触发时机 | 事件参数（示例） |
+|---|---|---|---|---|---|---|---|
+| 键盘首次显示 | page_exposure | enter_keyboard | keyboard | KeyboardViewController | Android 自定义 | viewDidAppear | `{ "token":"", "page_id":"keyboard" }` |
+| 打开功能面板 | page_exposure | enter_keyboard_function_panel | keyboard_function_panel | KBFunctionView | Android 自定义 | showFunctionPanel:YES | `{ "token":"", "page_id":"keyboard_function_panel" }` |
+| 关闭功能面板（回到主键盘） | page_exposure | enter_keyboard_main_panel | keyboard_main_panel | KBKeyBoardMainView | Android 自定义 | showFunctionPanel:NO | `{ "token":"", "page_id":"keyboard_main_panel" }` |
+| 打开设置页 | page_exposure | enter_keyboard_settings | keyboard_settings | KBSettingView | Android 自定义 | showSettingView:YES | `{ "token":"", "page_id":"keyboard_settings" }` |
+| 打开订阅/充值面板 | page_exposure | enter_keyboard_subscription_panel | keyboard_subscription_panel | KBKeyboardSubscriptionView | Android 自定义 | showSubscriptionPanel | `{ "token":"", "page_id":"keyboard_subscription_panel" }` |
+
+### B2）点击事件（键盘工具栏 / 功能面板 / 订阅面板）
+
+| 注释 | 事件类型 | 事件名称 | page_id | element_id | iOS 对应控件/方法 | Android 对应控件 | 触发时机 | 事件参数（示例） |
+|---|---|---|---|---|---|---|---|---|
+| 点击键盘顶部工具栏（index=0 打开功能面板） | click | click_keyboard_toolbar_action | keyboard_main_panel | toolbar_action | KBKeyBoardMainViewDelegate `didTapToolActionAtIndex:` | Android 自定义 | 点击工具栏 | `{ "token":"", "page_id":"keyboard_main_panel", "element_id":"toolbar_action", "index":0 }` |
+| 点击键盘设置按钮 | click | click_keyboard_settings_btn | keyboard_main_panel | settings_btn | `keyBoardMainViewDidTapSettings:` | Android 自定义 | 点击设置 | `{ "token":"", "page_id":"keyboard_main_panel", "element_id":"settings_btn" }` |
+| 点击设置页返回 | click | click_keyboard_settings_back_btn | keyboard_settings | back_btn | KeyboardViewController `onTapSettingsBack` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"keyboard_settings", "element_id":"back_btn" }` |
+| 点击撤销删除 | click | click_keyboard_undo_btn | keyboard_main_panel | undo_btn | `keyBoardMainViewDidTapUndo:` | Android 自定义 | 点击撤销 | `{ "token":"", "page_id":"keyboard_main_panel", "element_id":"undo_btn" }` |
+| 点击表情面板搜索 | click | click_keyboard_emoji_search_btn | keyboard_main_panel | emoji_search_btn | `keyBoardMainViewDidTapEmojiSearch:` | Android 自定义 | 点击搜索 | `{ "token":"", "page_id":"keyboard_main_panel", "element_id":"emoji_search_btn" }` |
+| 点击联想词条 | click | click_keyboard_suggestion_item | keyboard_main_panel | suggestion_item | `didSelectSuggestion:` | Android 自定义 | 点击候选 | `{ "token":"", "page_id":"keyboard_main_panel", "element_id":"suggestion_item", "index":0 }` |
+| 功能面板点击“粘贴” | click | click_keyboard_function_paste_btn | keyboard_function_panel | paste_btn | KBFunctionView `onTapPaste` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"keyboard_function_panel", "element_id":"paste_btn" }` |
+| 功能面板点击“删除” | click | click_keyboard_function_delete_btn | keyboard_function_panel | delete_btn | KBFunctionView `onTapDelete` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"keyboard_function_panel", "element_id":"delete_btn" }` |
+| 功能面板点击“清空” | click | click_keyboard_function_clear_btn | keyboard_function_panel | clear_btn | KBFunctionView `onTapClear` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"keyboard_function_panel", "element_id":"clear_btn" }` |
+| 功能面板点击“发送” | click | click_keyboard_function_send_btn | keyboard_function_panel | send_btn | KBFunctionView `onTapSend` | Android 自定义 | touchUpInside | `{ "token":"", "page_id":"keyboard_function_panel", "element_id":"send_btn" }` |
+| 功能面板点击“人设/标签”条目 | click | click_keyboard_function_tag_item | keyboard_function_panel | renshe_item | KBFunctionTagListView `didSelectItemAtIndexPath` | Android 自定义 | didSelect | `{ "token":"", "page_id":"keyboard_function_panel", "element_id":"renshe_item", "index":0, "id":456, "name":"" }` |
+| 功能面板右侧点击“登录/充值”入口（未登录走登录） | click | click_keyboard_function_right_action | keyboard_function_panel | right_action | KeyboardViewController `didRightTapToolActionAtIndex:` | Android 自定义 | 点击右侧入口 | `{ "token":"", "page_id":"keyboard_function_panel", "element_id":"right_action", "action":"login_or_recharge" }` |
+| 订阅面板点击关闭 | click | click_keyboard_subscription_close_btn | keyboard_subscription_panel | close_btn | `subscriptionViewDidTapClose:` | Android 自定义 | 点击关闭 | `{ "token":"", "page_id":"keyboard_subscription_panel", "element_id":"close_btn" }` |
+| 订阅面板点击购买某商品 | click | click_keyboard_subscription_product_btn | keyboard_subscription_panel | product_btn | `didTapPurchaseForProduct:` | Android 自定义 | 点击购买 | `{ "token":"", "page_id":"keyboard_subscription_panel", "element_id":"product_btn", "product_id":"", "index":0 }` |

Library/Logs/CoreSimulator/CoreSimulator.com.apple.dt.xcodebuild.log

@@ -0,0 +1,42 @@
+Feb  5 20:30:09 macbookpro com.apple.dt.xcodebuild[56551] <Error>: Unable to deliver request ({
+	    "developer_dir" = "/Applications/Xcode.app/Contents/Developer";
+	    request = "set_developer_dir";
+	}) because we are not connected to CoreSimulatorService.
+Feb  5 20:30:22 macbookpro com.apple.dt.xcodebuild[56567] <Error>: Unable to deliver request ({
+	    "developer_dir" = "/Applications/Xcode.app/Contents/Developer";
+	    request = "set_developer_dir";
+	}) because we are not connected to CoreSimulatorService.
+Feb  5 20:31:06 macbookpro com.apple.dt.xcodebuild[56684] <Error>: Unable to deliver request ({
+	    "developer_dir" = "/Applications/Xcode.app/Contents/Developer";
+	    request = "set_developer_dir";
+	}) because we are not connected to CoreSimulatorService.
+Feb  5 20:31:06 macbookpro com.apple.dt.xcodebuild[56684] <Warning>: Unable to discover any Simulator runtimes. Developer Directory is /Applications/Xcode.app/Contents/Developer.
+Feb  5 20:31:06 macbookpro com.apple.dt.xcodebuild[56684] <Error>: Could not kickstart simdiskimaged; SimDiskImageManager services will not be available: Error Domain=NSPOSIXErrorDomain Code=53 "Software caused connection abort" UserInfo={NSLocalizedDescription=Error returned in reply from CoreSimulatorService: Connection invalid}
+Feb  5 20:31:06 macbookpro com.apple.dt.xcodebuild[56684] <Error>: simdiskimaged returned error (invalid), marking disconnected.
+Feb  5 20:31:06 macbookpro com.apple.dt.xcodebuild[56684] <Error>: Could not get list of trusted mount directories: Error Domain=com.apple.CoreSimulator.SimError Code=410 "The service used to manage runtime disk images (simdiskimaged) crashed or is not responding" UserInfo={NSLocalizedDescription=The service used to manage runtime disk images (simdiskimaged) crashed or is not responding}
+Feb  5 20:31:06 macbookpro com.apple.dt.xcodebuild[56684] <Error>: simdiskimaged returned error (invalid), marking disconnected.
+Feb  5 20:31:06 macbookpro com.apple.dt.xcodebuild[56684] <Error>: Unable to deliver request ({
+	    request = "notification_subscription";
+	    "set_path" = "/Users/mac/Library/Developer/CoreSimulator/Devices";
+	}) because we are not connected to CoreSimulatorService.
+Feb  5 20:31:06 macbookpro com.apple.dt.xcodebuild[56684] <Error>: Unable to deliver request ({
+	    request = "notification_subscription";
+	    "set_path" = "/Users/mac/Library/Developer/CoreSimulator/Devices";
+	}) because we are not connected to CoreSimulatorService.
+Feb  5 20:31:55 macbookpro com.apple.dt.xcodebuild[56806] <Error>: Unable to deliver request ({
+	    "developer_dir" = "/Applications/Xcode.app/Contents/Developer";
+	    request = "set_developer_dir";
+	}) because we are not connected to CoreSimulatorService.
+Feb  5 20:31:55 macbookpro com.apple.dt.xcodebuild[56806] <Warning>: Unable to discover any Simulator runtimes. Developer Directory is /Applications/Xcode.app/Contents/Developer.
+Feb  5 20:31:55 macbookpro com.apple.dt.xcodebuild[56806] <Error>: Could not kickstart simdiskimaged; SimDiskImageManager services will not be available: Error Domain=NSPOSIXErrorDomain Code=53 "Software caused connection abort" UserInfo={NSLocalizedDescription=Error returned in reply from CoreSimulatorService: Connection invalid}
+Feb  5 20:31:55 macbookpro com.apple.dt.xcodebuild[56806] <Error>: simdiskimaged returned error (invalid), marking disconnected.
+Feb  5 20:31:55 macbookpro com.apple.dt.xcodebuild[56806] <Error>: Could not get list of trusted mount directories: Error Domain=com.apple.CoreSimulator.SimError Code=410 "The service used to manage runtime disk images (simdiskimaged) crashed or is not responding" UserInfo={NSLocalizedDescription=The service used to manage runtime disk images (simdiskimaged) crashed or is not responding}
+Feb  5 20:31:55 macbookpro com.apple.dt.xcodebuild[56806] <Error>: simdiskimaged returned error (invalid), marking disconnected.
+Feb  5 20:31:55 macbookpro com.apple.dt.xcodebuild[56806] <Error>: Unable to deliver request ({
+	    request = "notification_subscription";
+	    "set_path" = "/Users/mac/Library/Developer/CoreSimulator/Devices";
+	}) because we are not connected to CoreSimulatorService.
+Feb  5 20:31:55 macbookpro com.apple.dt.xcodebuild[56806] <Error>: Unable to deliver request ({
+	    request = "notification_subscription";
+	    "set_path" = "/Users/mac/Library/Developer/CoreSimulator/Devices";
+	}) because we are not connected to CoreSimulatorService.

Podfile

@@ -29,6 +29,7 @@ target 'CustomKeyboard' do
   use_frameworks!
 
   pod 'AFNetworking','4.0.1'
+  pod 'SDWebImage', '5.21.1'
 
   pod 'Masonry', '1.1.0'
   pod 'MBProgressHUD', '1.2.0'

Podfile.lock

@@ -96,6 +96,6 @@ SPEC CHECKSUMS:
   SDWebImage: f29024626962457f3470184232766516dee8dfea
   SSZipArchive: fe6a26b2a54d5a0890f2567b5cc6de5caa600aef
 
-PODFILE CHECKSUM: acf7541bd40dd969fa4950d6c000005b2889c85b
+PODFILE CHECKSUM: 890d1710715c017d7364a19c871e9bdf0d685fbf
 
 COCOAPODS: 1.16.2

Pods/Manifest.lock

@@ -96,6 +96,6 @@ SPEC CHECKSUMS:
   SDWebImage: f29024626962457f3470184232766516dee8dfea
   SSZipArchive: fe6a26b2a54d5a0890f2567b5cc6de5caa600aef
 
-PODFILE CHECKSUM: acf7541bd40dd969fa4950d6c000005b2889c85b
+PODFILE CHECKSUM: 890d1710715c017d7364a19c871e9bdf0d685fbf
 
 COCOAPODS: 1.16.2

Pods/Target Support Files/Pods-CustomKeyboard/Pods-CustomKeyboard-acknowledgements.markdown

@@ -104,6 +104,30 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 
+## SDWebImage
+
+Copyright (c) 2009-2020 Olivier Poitrey rs@dailymotion.com
+ 
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+ 
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+ 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+
+
 ## SSZipArchive
 
 Copyright (c) 2013-2021, ZipArchive, https://github.com/ZipArchive

Pods/Target Support Files/Pods-CustomKeyboard/Pods-CustomKeyboard-acknowledgements.plist

@@ -145,6 +145,36 @@ THE SOFTWARE.</string>
 			<key>Type</key>
 			<string>PSGroupSpecifier</string>
 		</dict>
+		<dict>
+			<key>FooterText</key>
+			<string>Copyright (c) 2009-2020 Olivier Poitrey rs@dailymotion.com
+ 
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+ 
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+ 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+</string>
+			<key>License</key>
+			<string>MIT</string>
+			<key>Title</key>
+			<string>SDWebImage</string>
+			<key>Type</key>
+			<string>PSGroupSpecifier</string>
+		</dict>
 		<dict>
 			<key>FooterText</key>
 			<string>Copyright (c) 2013-2021, ZipArchive, https://github.com/ZipArchive

Pods/Target Support Files/Pods-CustomKeyboard/Pods-CustomKeyboard.debug.xcconfig

@@ -1,10 +1,10 @@
 CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = NO
-FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking" "${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet" "${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD" "${PODS_CONFIGURATION_BUILD_DIR}/MJExtension" "${PODS_CONFIGURATION_BUILD_DIR}/Masonry" "${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive"
+FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking" "${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet" "${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD" "${PODS_CONFIGURATION_BUILD_DIR}/MJExtension" "${PODS_CONFIGURATION_BUILD_DIR}/Masonry" "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage" "${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive"
 GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1
-HEADER_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking/AFNetworking.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet/DZNEmptyDataSet.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD/MBProgressHUD.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MJExtension/MJExtension.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/Masonry/Masonry.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive/SSZipArchive.framework/Headers"
+HEADER_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking/AFNetworking.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet/DZNEmptyDataSet.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD/MBProgressHUD.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MJExtension/MJExtension.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/Masonry/Masonry.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage/SDWebImage.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive/SSZipArchive.framework/Headers"
 LD_RUNPATH_SEARCH_PATHS = $(inherited) '@executable_path/Frameworks' '@loader_path/Frameworks' '@executable_path/../../Frameworks'
-OTHER_LDFLAGS = $(inherited) -l"iconv" -l"z" -framework "AFNetworking" -framework "CoreGraphics" -framework "DZNEmptyDataSet" -framework "Foundation" -framework "MBProgressHUD" -framework "MJExtension" -framework "Masonry" -framework "QuartzCore" -framework "SSZipArchive" -framework "Security" -framework "UIKit"
-OTHER_MODULE_VERIFIER_FLAGS = $(inherited) "-F${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking" "-F${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet" "-F${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD" "-F${PODS_CONFIGURATION_BUILD_DIR}/MJExtension" "-F${PODS_CONFIGURATION_BUILD_DIR}/Masonry" "-F${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive"
+OTHER_LDFLAGS = $(inherited) -l"iconv" -l"z" -framework "AFNetworking" -framework "CoreGraphics" -framework "DZNEmptyDataSet" -framework "Foundation" -framework "ImageIO" -framework "MBProgressHUD" -framework "MJExtension" -framework "Masonry" -framework "QuartzCore" -framework "SDWebImage" -framework "SSZipArchive" -framework "Security" -framework "UIKit"
+OTHER_MODULE_VERIFIER_FLAGS = $(inherited) "-F${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking" "-F${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet" "-F${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD" "-F${PODS_CONFIGURATION_BUILD_DIR}/MJExtension" "-F${PODS_CONFIGURATION_BUILD_DIR}/Masonry" "-F${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage" "-F${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive"
 PODS_BUILD_DIR = ${BUILD_DIR}
 PODS_CONFIGURATION_BUILD_DIR = ${PODS_BUILD_DIR}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)
 PODS_PODFILE_DIR_PATH = ${SRCROOT}/.

Pods/Target Support Files/Pods-CustomKeyboard/Pods-CustomKeyboard.release.xcconfig

@@ -1,10 +1,10 @@
 CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = NO
-FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking" "${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet" "${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD" "${PODS_CONFIGURATION_BUILD_DIR}/MJExtension" "${PODS_CONFIGURATION_BUILD_DIR}/Masonry" "${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive"
+FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking" "${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet" "${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD" "${PODS_CONFIGURATION_BUILD_DIR}/MJExtension" "${PODS_CONFIGURATION_BUILD_DIR}/Masonry" "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage" "${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive"
 GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1
-HEADER_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking/AFNetworking.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet/DZNEmptyDataSet.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD/MBProgressHUD.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MJExtension/MJExtension.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/Masonry/Masonry.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive/SSZipArchive.framework/Headers"
+HEADER_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking/AFNetworking.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet/DZNEmptyDataSet.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD/MBProgressHUD.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MJExtension/MJExtension.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/Masonry/Masonry.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage/SDWebImage.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive/SSZipArchive.framework/Headers"
 LD_RUNPATH_SEARCH_PATHS = $(inherited) '@executable_path/Frameworks' '@loader_path/Frameworks' '@executable_path/../../Frameworks'
-OTHER_LDFLAGS = $(inherited) -l"iconv" -l"z" -framework "AFNetworking" -framework "CoreGraphics" -framework "DZNEmptyDataSet" -framework "Foundation" -framework "MBProgressHUD" -framework "MJExtension" -framework "Masonry" -framework "QuartzCore" -framework "SSZipArchive" -framework "Security" -framework "UIKit"
-OTHER_MODULE_VERIFIER_FLAGS = $(inherited) "-F${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking" "-F${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet" "-F${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD" "-F${PODS_CONFIGURATION_BUILD_DIR}/MJExtension" "-F${PODS_CONFIGURATION_BUILD_DIR}/Masonry" "-F${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive"
+OTHER_LDFLAGS = $(inherited) -l"iconv" -l"z" -framework "AFNetworking" -framework "CoreGraphics" -framework "DZNEmptyDataSet" -framework "Foundation" -framework "ImageIO" -framework "MBProgressHUD" -framework "MJExtension" -framework "Masonry" -framework "QuartzCore" -framework "SDWebImage" -framework "SSZipArchive" -framework "Security" -framework "UIKit"
+OTHER_MODULE_VERIFIER_FLAGS = $(inherited) "-F${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking" "-F${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet" "-F${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD" "-F${PODS_CONFIGURATION_BUILD_DIR}/MJExtension" "-F${PODS_CONFIGURATION_BUILD_DIR}/Masonry" "-F${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage" "-F${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive"
 PODS_BUILD_DIR = ${BUILD_DIR}
 PODS_CONFIGURATION_BUILD_DIR = ${PODS_BUILD_DIR}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)
 PODS_PODFILE_DIR_PATH = ${SRCROOT}/.

Pods/Target Support Files/SDWebImage/SDWebImage.debug.xcconfig

@@ -1,3 +1,4 @@
+APPLICATION_EXTENSION_API_ONLY = YES
 CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = NO
 CONFIGURATION_BUILD_DIR = ${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage
 DERIVE_MACCATALYST_PRODUCT_BUNDLE_IDENTIFIER = NO

Pods/Target Support Files/SDWebImage/SDWebImage.release.xcconfig

@@ -1,3 +1,4 @@
+APPLICATION_EXTENSION_API_ONLY = YES
 CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = NO
 CONFIGURATION_BUILD_DIR = ${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage
 DERIVE_MACCATALYST_PRODUCT_BUNDLE_IDENTIFIER = NO

Shared/KBAPI.h

@@ -32,6 +32,8 @@
 #define API_UPDATA_INFO @"/user/updateInfo"   // 更新用户
 
 #define KB_API_USER_DETAIL @"/user/detail"    // 用户详情
+#define API_USER_INVITE_CODE @"/user/inviteCode"    // 查询邀请码
+#define API_USER_CUSTOMER_MAIL @"/user/customerMail"    // 获取客服邮箱
 #define API_CHARACTER_LIST @"/character/list"          // 排行榜角色列表（综合）
 #define API_NOT_LOGIN_CHARACTER_LIST @"/character/listWithNotLogin"          //未登录用户人设列表
 
@@ -56,6 +58,10 @@
 #define API_THEME_DOWNLOAD       @"/themes/download"             // 主题下载信息
 #define API_THEME_RECOMMENDED    @"/themes/recommended"          // 推荐主题列表
 #define API_THEME_SEARCH         @"/themes/search"               // 搜索主题（themeName）
+#define API_USER_THEMES_BATCH_DELETE @"/user-themes/batch-delete" // 批量删除用户主题
+#define API_THEME_PURCHASE_LIST  @"/themes/purchase/list"        // 查询主题购买记录
+#define API_THEME_RESTORE        @"/themes/restore"              // 恢复已删除的主题
+#define API_WALLET_TRANSACTIONS  @"/wallet/transactions"         // 分页查询钱包交易记录
 
 /// pay
 #define API_VALIDATE_RECEIPT @"/apple/validate-receipt"                      // 排行榜标签列表
@@ -63,7 +69,12 @@
 #define API_SUBSCRIPTION_PRODUCT_LIST @"/products/subscription/list" // 查询订阅商品列表
 
 /// AI
-#define API_AI_TALK @"/chat/talk"                      // 排行榜标签列表
+#define API_AI_TALK @"/chat/talk"                      
+#define API_AI_VOICE_TALK @"/chat/voice"               // 语音对话（替换为后端真实路径）
+#define API_AI_CHAT_SYNC @"/chat/sync"                 // 同步对话
+#define API_AI_CHAT_MESSAGE @"/chat/message"           // 文本润色
+#define API_AI_AUDIO_UPLOAD @"/chat/audio/upload"      // 语音上传（替换为后端真实路径）
+#define API_AI_SPEECH_TRANSCRIBE @"/speech/transcribe" // 语音转文字
 
 
 

Shared/KBConfig.h

@@ -27,6 +27,9 @@
 /// 键盘 -> 主 App 订阅页预填充数据（用于免二次请求）
 #define AppGroup_SubscriptionPrefillPayload @"AppGroup_SubscriptionPrefillPayload"
 
+/// 用户头像 URL（主 App 写入，键盘扩展读取）
+#define AppGroup_UserAvatarURL @"AppGroup_UserAvatarURL"
+
 /// 皮肤图标加载模式：
 /// 0 = 使用本地 Assets 图片名（key_icons 的 value 写成图片名，例如 "kb_q_melon"）
 /// 1 = 使用远程 Zip 皮肤包（skinJSON 中提供 zip_url；key_icons 的 value 写成 Zip 内图标文件名，例如 "key_a"）
@@ -38,7 +41,8 @@
 // 基础baseUrl
 #ifndef KB_BASE_URL
 //#define KB_BASE_URL @"https://m1.apifoxmock.com/m1/5438099-5113192-default/"
-#define KB_BASE_URL @"http://192.168.2.21:7529/api"
+//#define KB_BASE_URL @"http://192.168.2.22:7529/api"
+#define KB_BASE_URL @"https://devcallback.loveamorkey.com/api"
 #endif
 
 #import "KBFont.h"
@@ -87,7 +91,8 @@
 
 #if __OBJC__
 static inline CGFloat KBScreenWidth(void) {
-    return [UIScreen mainScreen].bounds.size.width;
+    CGSize size = [UIScreen mainScreen].bounds.size;
+    return MIN(size.width, size.height);
 }
 
 static inline CGFloat KBScaleFactor(void) {