删除无关代码

.claude/settings.local.json

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

CustomKeyboard/KeyboardViewController.m

@@ -30,6 +30,9 @@
 #import "UIImage+KBColor.h"
 #import <AVFoundation/AVFoundation.h>
 #import <SDWebImage/SDWebImage.h>
+#if DEBUG
+#import <mach/mach.h>
+#endif
 
 // #import "KBLog.h"
 
@@ -78,10 +81,6 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
     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) UIImageView *personaAvatarImageView; // 语音模式下显示的 persona 小头像
-@property(nonatomic, strong) UIImageView *personaGrayImageView; // 语音模式下显示的 persona 小头像
-@property(nonatomic, strong) UIVisualEffectView *personaBlurView; // 语音模式下头像高斯模糊层
-
 @property(nonatomic, strong) KBChatPanelView *chatPanelView;
 @property(nonatomic, strong) KBKeyboardSubscriptionView *subscriptionView;
 @property(nonatomic, strong) KBSuggestionEngine *suggestionEngine;
@@ -96,19 +95,56 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
 @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, strong, nullable) id kb_fullAccessObserverToken;
+@property(nonatomic, strong, nullable) id kb_skinObserverToken;
 @end
 
+#if DEBUG
+static NSInteger sKBKeyboardVCAliveCount = 0;
+
+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;
+}
+
+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;
+#if DEBUG
+  BOOL _kb_debugDidCountAlive;
+#endif
 }
 
 - (void)viewDidLoad {
   [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];
@@ -118,7 +154,7 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
   [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]
+  self.kb_fullAccessObserverToken = [[NSNotificationCenter defaultCenter]
       addObserverForName:KBFullAccessChangedNotification
                   object:nil
                    queue:[NSOperationQueue mainQueue]
@@ -127,11 +163,16 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
               }];
 
   // 皮肤变化时，立即应用
-  __unused id token2 = [[NSNotificationCenter defaultCenter]
+  __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];
@@ -144,12 +185,38 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
   [self kb_applyDefaultSkinIfNeeded];
 }
 
+- (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]
@@ -162,8 +229,17 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
 - (void)viewWillDisappear:(BOOL)animated {
   [super viewWillDisappear:animated];
   [[KBBackspaceUndoManager shared] registerNonClearAction];
-  // 清理 persona 头像内存
-  [self kb_hidePersonaAvatar];
+  [self kb_releaseMemoryWhenKeyboardHidden];
+#if DEBUG
+  NSLog(@"[Keyboard] viewWillDisappear self=%p mem=%@",
+        self, KBFormatMB(KBPhysFootprintBytes()));
+#endif
+}
+
+- (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];
 }
 
 - (void)traitCollectionDidChange:(UITraitCollection *)previousTraitCollection {
@@ -171,6 +247,7 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
   if (@available(iOS 13.0, *)) {
     if (previousTraitCollection.userInterfaceStyle !=
         self.traitCollection.userInterfaceStyle) {
+      self.kb_cachedGradientImage = nil;
       [self kb_applyDefaultSkinIfNeeded];
     }
   }
@@ -192,12 +269,17 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
   CGFloat portraitWidth = [self kb_portraitWidth];
   CGFloat keyboardHeight = [self kb_keyboardHeightForWidth:portraitWidth];
   CGFloat keyboardBaseHeight = [self kb_keyboardBaseHeightForWidth:portraitWidth];
-  CGFloat chatPanelHeight = [self kb_chatPanelHeightForWidth:portraitWidth];
   CGFloat screenWidth = CGRectGetWidth([UIScreen mainScreen].bounds);
-  CGFloat outerVerticalInset = KBFit(4.0f);
 
+  // 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:keyboardHeight];
+      [self.view.heightAnchor constraintEqualToConstant:0];
   NSLayoutConstraint *w =
       [self.view.widthAnchor constraintEqualToConstant:screenWidth];
   self.kb_heightConstraint = h;
@@ -227,12 +309,6 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
   [self.bgImageView mas_makeConstraints:^(MASConstraintMaker *make) {
     make.edges.equalTo(self.contentView);
   }];
-  // 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.contentView addSubview:self.functionView];
-  [self.functionView mas_makeConstraints:^(MASConstraintMaker *make) {
-    make.edges.equalTo(self.contentView);
-  }];
 
   [self.contentView addSubview:self.keyBoardMainView];
   [self.keyBoardMainView mas_makeConstraints:^(MASConstraintMaker *make) {
@@ -242,14 +318,8 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
         make.height.mas_equalTo(keyboardBaseHeight);
   }];
 
-  [self.contentView addSubview:self.chatPanelView];
-  [self.chatPanelView mas_makeConstraints:^(MASConstraintMaker *make) {
-    make.left.right.equalTo(self.contentView);
-    make.bottom.equalTo(self.keyBoardMainView.mas_top);
-    self.chatPanelHeightConstraint =
-        make.height.mas_equalTo(chatPanelHeight);
-  }];
-  self.chatPanelView.hidden = YES;
+  // 初始隐藏，避免布局完成前闪烁
+  self.contentView.hidden = YES;
 }
 
 #pragma mark - Private
@@ -389,8 +459,14 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
   // 简单显隐切换，复用相同的布局区域
   if (show) {
     [self showChatPanel:NO];
+    [self kb_ensureFunctionViewIfNeeded];
+  }
+  if (_functionView) {
+    _functionView.hidden = !show;
+  } else if (show) {
+    // 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.functionView.hidden = !show;
   self.keyBoardMainView.hidden = show;
 
   if (show) {
@@ -410,7 +486,9 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
 
   // 可选：把当前显示的视图置顶，避免层级遮挡
   if (show) {
-    [self.contentView bringSubviewToFront:self.functionView];
+    if (_functionView) {
+      [self.contentView bringSubviewToFront:_functionView];
+    }
   } else {
     [self.contentView bringSubviewToFront:self.keyBoardMainView];
   }
@@ -425,19 +503,18 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
                                  pageId:@"keyboard_settings"
                                   extra:nil
                              completion:nil];
-    //        if (!self.settingView) {
-    self.settingView = [[KBSettingView alloc] init];
-    self.settingView.hidden = YES;
-    [self.contentView 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
+    KBSettingView *settingView = self.settingView;
+    if (!settingView.superview) {
+      settingView.hidden = YES;
+      [self.contentView addSubview:settingView];
+      [settingView mas_makeConstraints:^(MASConstraintMaker *make) {
         make.edges.equalTo(self.contentView);
       }];
-    [self.settingView.backButton addTarget:self
+      [settingView.backButton addTarget:self
                                  action:@selector(onTapSettingsBack)
                        forControlEvents:UIControlEventTouchUpInside];
-    //        }
-    [self.contentView bringSubviewToFront:self.settingView];
+    }
+    [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);
@@ -447,17 +524,18 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
     if (w <= 0) {
       w = [self kb_portraitWidth];
     }
-    self.settingView.transform = CGAffineTransformMakeTranslation(w, 0);
-    self.settingView.hidden = NO;
+    settingView.transform = CGAffineTransformMakeTranslation(w, 0);
+    settingView.hidden = NO;
     [UIView animateWithDuration:0.25
                           delay:0
                         options:UIViewAnimationOptionCurveEaseOut
                      animations:^{
-                       self.settingView.transform = CGAffineTransformIdentity;
+                       settingView.transform = CGAffineTransformIdentity;
                      }
                      completion:nil];
   } else {
-    if (!self.settingView || self.settingView.hidden)
+    KBSettingView *settingView = self.settingView;
+    if (!settingView.superview || settingView.hidden)
       return;
     CGFloat w = CGRectGetWidth(self.keyBoardMainView.bounds);
     if (w <= 0) {
@@ -470,10 +548,10 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
         delay:0
         options:UIViewAnimationOptionCurveEaseIn
         animations:^{
-          self.settingView.transform = CGAffineTransformMakeTranslation(w, 0);
+          settingView.transform = CGAffineTransformMakeTranslation(w, 0);
         }
         completion:^(BOOL finished) {
-          self.settingView.hidden = YES;
+          settingView.hidden = YES;
         }];
   }
 }
@@ -485,10 +563,13 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
   }
   self.chatPanelVisible = show;
   if (show) {
+    [self kb_ensureChatPanelViewIfNeeded];
     self.chatPanelView.hidden = NO;
     self.chatPanelView.alpha = 0.0;
     [self.contentView bringSubviewToFront:self.chatPanelView];
-    self.functionView.hidden = YES;
+    if (_functionView) {
+      _functionView.hidden = YES;
+    }
     [self hideSubscriptionPanel];
     [self showSettingView:NO];
     [UIView animateWithDuration:0.2
@@ -499,6 +580,11 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
                      }
                      completion:nil];
   } 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;
+    }
     [UIView animateWithDuration:0.18
         delay:0
         options:UIViewAnimationOptionCurveEaseIn
@@ -512,6 +598,114 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
   [self kb_updateKeyboardLayoutIfNeeded];
 }
 
+// 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;
+
+  if (_subscriptionView) {
+    [_subscriptionView removeFromSuperview];
+    _subscriptionView = nil;
+  }
+  if (_settingView) {
+    [_settingView removeFromSuperview];
+    _settingView = nil;
+  }
+}
+
 - (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]) {
@@ -663,8 +857,6 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
   if (index == 1) {
     [self showFunctionPanel:NO];
     [self showChatPanel:YES];
-    // 显示 persona 头像
-    [self kb_showPersonaAvatarOnBgImageView];
     return;
   }
   [self showFunctionPanel:NO];
@@ -826,14 +1018,12 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
 
 - (void)chatPanelViewDidTapClose:(KBChatPanelView *)view {
   // 清空 chatPanelView 内部的消息
-  [self.chatPanelView kb_reloadWithMessages:@[]];
+  [view kb_reloadWithMessages:@[]];
   if (self.chatAudioPlayer.isPlaying) {
     [self.chatAudioPlayer stop];
   }
   self.chatAudioPlayer = nil;
   [self showChatPanel:NO];
-  // 隐藏 persona 头像
-  [self kb_hidePersonaAvatar];
 }
 
 #pragma mark - Chat Helpers
@@ -1482,108 +1672,6 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
   return _subscriptionView;
 }
 
-- (UIImageView *)personaAvatarImageView {
-  if (!_personaAvatarImageView) {
-    _personaAvatarImageView = [[UIImageView alloc] init];
-    _personaAvatarImageView.contentMode = UIViewContentModeScaleAspectFill;
-    _personaAvatarImageView.clipsToBounds = YES;
-    _personaAvatarImageView.hidden = YES;
-    [_personaAvatarImageView addSubview:self.personaBlurView];
-    [self.personaBlurView mas_makeConstraints:^(MASConstraintMaker *make) {
-      make.edges.equalTo(_personaAvatarImageView);
-    }];
-  }
-  return _personaAvatarImageView;
-}
-- (UIImageView *)personaGrayImageView{
-    if (!_personaGrayImageView) {
-        _personaGrayImageView = [[UIImageView alloc] init];
-        _personaAvatarImageView.contentMode = UIViewContentModeScaleAspectFill;
-
-    }
-    return _personaGrayImageView;
-}
-
-- (UIVisualEffectView *)personaBlurView {
-  if (!_personaBlurView) {
-    UIBlurEffect *effect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight];
-    _personaBlurView = [[UIVisualEffectView alloc] initWithEffect:effect];
-    _personaBlurView.hidden = YES;
-    _personaBlurView.userInteractionEnabled = NO;
-  }
-  return _personaBlurView;
-}
-
-#pragma mark - Persona Avatar
-
-/// 从 AppGroup 读取选中的 persona 信息
-- (NSDictionary *)kb_selectedPersonaFromAppGroup {
-  NSUserDefaults *ud = [[NSUserDefaults alloc] initWithSuiteName:AppGroup];
-  NSDictionary *personaDict = [ud objectForKey:@"AppGroup_SelectedPersona"];
-  if ([personaDict isKindOfClass:[NSDictionary class]]) {
-    return personaDict;
-  }
-  return nil;
-}
-
-/// 在 bgImageView 上显示 persona 头像
-- (void)kb_showPersonaAvatarOnBgImageView {
-  // 检查是否有完全访问权限
-  if (![[KBFullAccessManager shared] hasFullAccess]) {
-    NSLog(@"[Keyboard] 未开启完全访问，无法显示 persona 头像");
-    return;
-  }
-  
-  // 从 AppGroup 共享目录读取预处理好的小图片
-  NSURL *containerURL = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:AppGroup];
-  if (!containerURL) {
-    NSLog(@"[Keyboard] 无法获取 AppGroup 容器目录");
-    return;
-  }
-  
-  NSString *imagePath = [[containerURL path] stringByAppendingPathComponent:@"persona_cover.jpg"];
-  if (![[NSFileManager defaultManager] fileExistsAtPath:imagePath]) {
-    NSLog(@"[Keyboard] persona 封面图文件不存在: %@", imagePath);
-    return;
-  }
-  
-  NSLog(@"[Keyboard] 准备从本地加载 persona 封面图: %@", imagePath);
-  
-  // 添加视图到 contentView，与 bgImageView 尺寸一致
-  if (!self.personaAvatarImageView.superview) {
-    [self.contentView insertSubview:self.personaAvatarImageView aboveSubview:self.bgImageView];
-      [self.personaAvatarImageView addSubview:self.personaGrayImageView];
-    [self.personaAvatarImageView mas_makeConstraints:^(MASConstraintMaker *make) {
-      make.edges.equalTo(self.bgImageView);
-    }];
-      [self.personaGrayImageView mas_makeConstraints:^(MASConstraintMaker *make) {
-          make.left.right.bottom.equalTo(self.personaAvatarImageView);
-          make.height.mas_equalTo(self.keyBoardMainView);
-      }];
-  }
-  
-  // 先清理旧图片
-  self.personaAvatarImageView.image = nil;
-  
-  // 从本地文件加载图片（已经是缩小后的小图片，内存占用很小）
-  UIImage *image = [UIImage imageWithContentsOfFile:imagePath];
-  if (image) {
-    self.personaAvatarImageView.image = image;
-    self.personaAvatarImageView.hidden = NO;
-    self.personaBlurView.hidden = NO;
-    NSLog(@"[Keyboard] persona 封面图加载成功");
-  } else {
-    NSLog(@"[Keyboard] persona 封面图加载失败");
-  }
-}
-
-/// 隐藏 persona 头像
-- (void)kb_hidePersonaAvatar {
-  self.personaAvatarImageView.hidden = YES;
-  self.personaAvatarImageView.image = nil;
-  self.personaBlurView.hidden = YES;
-}
-
 #pragma mark - Actions
 
 - (void)kb_openRechargeForProduct:(KBKeyboardSubscriptionProduct *)product {
@@ -1638,10 +1726,26 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
 }
 
 - (void)dealloc {
+  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;
+  }
   CFNotificationCenterRemoveObserver(
       CFNotificationCenterGetDarwinNotifyCenter(),
       (__bridge const void *)(self),
       (__bridge CFStringRef)KBDarwinSkinInstallRequestNotification, NULL);
+#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
@@ -1659,7 +1763,15 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
 
 - (void)viewDidLayoutSubviews {
   [super viewDidLayoutSubviews];
-  [self kb_updateKeyboardLayoutIfNeeded];
+//  [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)viewWillTransitionToSize:(CGSize)size
@@ -1693,10 +1805,23 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
 #pragma mark - Theme
 
 - (void)kb_applyTheme {
+  @autoreleasepool {
     KBSkinTheme *t = [KBSkinManager shared].current;
-  UIImage *img = [[KBSkinManager shared] currentBackgroundImage];
+    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) {
@@ -1704,6 +1829,8 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
       // 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)
@@ -1736,7 +1863,7 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
           self.bgImageView.backgroundColor = darkColor;
         }
     } else {
-      // 浅色模式：使用渐变图片
+        // 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;
@@ -1749,9 +1876,29 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
         }
         UIColor *topColor = [UIColor colorWithHex:0xDEDFE4];
         UIColor *bottomColor = [UIColor colorWithHex:0xD1D3DB];
-      img = [self kb_defaultGradientImageWithSize:size
-                                         topColor:topColor
-                                      bottomColor:bottomColor];
+        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];
       }
@@ -1760,28 +1907,32 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
       // 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;
-    self.personaGrayImageView.image = img;
 
-//  [self.chatPanelView kb_setBackgroundImage:img];
-  BOOL hasImg = (img != nil);
     // 触发键区按主题重绘
-  if ([self.keyBoardMainView respondsToSelector:@selector(kb_applyTheme)]) {
+    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
     }
-  if ([self.functionView respondsToSelector:@selector(kb_applyTheme)]) {
+    // 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。
+    if (themeChanged && _functionView &&
+        [_functionView respondsToSelector:@selector(kb_applyTheme)]) {
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Warc-performSelector-leaks"
-    [self.functionView performSelector:@selector(kb_applyTheme)];
+      [_functionView performSelector:@selector(kb_applyTheme)];
 #pragma clang diagnostic pop
     }
+  }
 }
 
 - (BOOL)kb_isDefaultKeyboardTheme:(KBSkinTheme *)theme {
@@ -1819,8 +1970,12 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
     return nil;
   }
 
-  // 将动态颜色解析为当前 trait collection 下的具体颜色值
-  // 否则在 UIGraphicsBeginImageContextWithOptions 中渲染时会使用默认的浅色模式
+  // 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, *)) {
@@ -1841,6 +1996,9 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
   [layer renderInContext:UIGraphicsGetCurrentContext()];
   UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
   UIGraphicsEndImageContext();
+
+  self.kb_cachedGradientImage = image;
+  self.kb_cachedGradientSize = size;
   return image;
 }
 

CustomKeyboard/View/KBKeyboardView.m

@@ -49,7 +49,6 @@ static const CGFloat kKBLettersRow2EdgeSpacerMultiplier = 0.5;
         self.layoutConfig = [KBKeyboardLayoutConfig sharedConfig];
         self.backspaceHandler = [[KBBackspaceLongPressHandler alloc] initWithContainerView:self];
         [self buildBase];
-        [self reloadKeys];
     }
     return self;
 }
@@ -594,7 +593,7 @@ 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) {
@@ -920,7 +919,7 @@ edgeSpacerMultiplier:(CGFloat)edgeSpacerMultiplier {
     }
 
     [btn applyThemeForCurrentKey];
-    [btn addTarget:self action:@selector(onKeyTapped:) forControlEvents:UIControlEventTouchUpInside];
+    [btn addTarget:self action:@selector(onKeyTapped:) forControlEvents:UIControlEventTouchDown];
 
     if (key.type == KBKeyTypeBackspace) {
         [self.backspaceHandler bindDeleteButton:btn showClearLabel:YES];

CustomKeyboard/View/KBToolBar.m

@@ -9,6 +9,7 @@
 #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;
@@ -20,6 +21,8 @@
 @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
@@ -256,10 +259,41 @@
         [[containerURL path] stringByAppendingPathComponent:@"persona_cover.jpg"];
     if (imagePath.length == 0 ||
         ![[NSFileManager defaultManager] fileExistsAtPath:imagePath]) {
+        self.kb_cachedPersonaCoverPath = nil;
+        self.kb_cachedPersonaCoverImage = nil;
         return nil;
     }
 
-    return [UIImage imageWithContentsOfFile:imagePath];
+    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
@@ -419,7 +453,7 @@
 - (void)kb_updateRightControlsConstraints {
     [self.avatarImageView mas_remakeConstraints:^(MASConstraintMaker *make) {
         make.right.equalTo(self).offset(-12);
-        make.centerY.equalTo(self).offset(5);
+        make.centerY.equalTo(self).offset(0);
         make.width.height.mas_equalTo(kKBAvatarSize);
     }];
     [self.undoButtonInternal mas_remakeConstraints:^(MASConstraintMaker *make) {

Shared/KBSkinManager.h

@@ -54,6 +54,9 @@ extern NSString * const KBDarwinSkinChanged;         // cross-process
 /// 当前背景图片（若存在）
 - (nullable UIImage *)currentBackgroundImage;
 
+/// 清理运行时图片缓存（内存缓存）。键盘扩展接近内存上限时可主动调用。
+- (void)clearRuntimeImageCaches;
+
 /// 当前主题下，指定按键标识的文字是否应被隐藏（例如图标里已包含字母）
 - (BOOL)shouldHideKeyTextForIdentifier:(nullable NSString *)identifier;
 

Shared/KBSkinManager.m

@@ -4,6 +4,7 @@
 
 #import "KBSkinManager.h"
 #import "KBConfig.h"
+#import <ImageIO/ImageIO.h>
 
 NSString * const KBSkinDidChangeNotification = @"KBSkinDidChangeNotification";
 NSString * const KBDarwinSkinChanged = @"com.loveKey.nyx.skin.changed";
@@ -59,10 +60,45 @@ static NSString * const kKBSkinThemeStoreKey = @"KBSkinThemeCurrent";
 
 @interface KBSkinManager ()
 @property (atomic, strong, readwrite) KBSkinTheme *current;
+@property (nonatomic, strong) NSCache<NSString *, UIImage *> *kb_fileImageCache;
+@property (nonatomic, copy, nullable) NSString *kb_cachedBgSkinId;
+@property (nonatomic, assign) BOOL kb_cachedBgResolved;
+@property (nonatomic, strong, nullable) UIImage *kb_cachedBgImage;
 @end
 
 @implementation KBSkinManager
 
+/// 从文件路径解码图片，并按 maxPixel 限制最长边像素（避免加载超大背景图导致键盘扩展内存飙升）。
++ (nullable UIImage *)kb_imageAtPath:(NSString *)path maxPixel:(NSUInteger)maxPixel {
+    if (path.length == 0) return nil;
+    NSURL *url = [NSURL fileURLWithPath:path];
+    CGImageSourceRef source = CGImageSourceCreateWithURL((__bridge CFURLRef)url, NULL);
+    if (!source) return nil;
+    NSDictionary *opts = @{
+        (__bridge id)kCGImageSourceCreateThumbnailFromImageAlways : @YES,
+        (__bridge id)kCGImageSourceCreateThumbnailWithTransform : @YES,
+        (__bridge id)kCGImageSourceThumbnailMaxPixelSize : @(MAX(1, (NSInteger)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);
+    return img;
+}
+
+static inline NSUInteger KBApproxImageCostBytes(UIImage *img) {
+    if (!img) return 0;
+    CGFloat scale = img.scale > 0 ? img.scale : [UIScreen mainScreen].scale;
+    CGSize s = img.size;
+    double px = (double)s.width * scale * (double)s.height * scale;
+    if (px <= 0) return 0;
+    // RGBA 4 bytes/pixel
+    double cost = px * 4.0;
+    if (cost > (double)NSUIntegerMax) return NSUIntegerMax;
+    return (NSUInteger)cost;
+}
+
 /// 返回所有可能的皮肤根目录（优先 App Group，其次当前进程的 Caches）。
 + (NSArray<NSString *> *)kb_candidateBaseRoots {
     NSMutableArray<NSString *> *roots = [NSMutableArray array];
@@ -104,6 +140,14 @@ static NSString * const kKBSkinThemeStoreKey = @"KBSkinThemeCurrent";
 
 - (instancetype)init {
     if (self = [super init]) {
+        _kb_fileImageCache = [NSCache new];
+        // 键盘扩展内存上限较小，缓存要保守一些；主 App 也共用该实现但不会出问题。
+        // iPad 的键盘背景可能更大，适当放宽。
+        if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
+            _kb_fileImageCache.totalCostLimit = 24 * 1024 * 1024;
+        } else {
+            _kb_fileImageCache.totalCostLimit = 12 * 1024 * 1024;
+        }
         KBSkinTheme *t = [self p_loadFromStore];
         // 若存储中的皮肤在 App Group 中找不到对应资源目录（如首次安装 / 已被清理），则回退到默认皮肤。
         if (!t || ![self.class kb_hasAssetsForSkinId:t.skinId]) {
@@ -170,6 +214,7 @@ static void KBSkinDarwinCallback(CFNotificationCenterRef center, void *observer,
 - (BOOL)applyTheme:(KBSkinTheme *)theme {
     if (!theme) return NO;
     NSLog(@"🎨[SkinManager] apply theme id=%@ name=%@", theme.skinId, theme.name);
+    [self clearRuntimeImageCaches];
     // 将主题写入 App Group 存储（失败也不影响本次进程内的使用）
     [self p_saveToStore:theme];
     // 始终更新当前主题并广播通知，确保当前进程和扩展之间保持同步。
@@ -187,6 +232,15 @@ static void KBSkinDarwinCallback(CFNotificationCenterRef center, void *observer,
     [self applyTheme:[self.class defaultTheme]];
 }
 
+- (void)clearRuntimeImageCaches {
+    @synchronized (self) {
+        [self.kb_fileImageCache removeAllObjects];
+        self.kb_cachedBgSkinId = nil;
+        self.kb_cachedBgResolved = NO;
+        self.kb_cachedBgImage = nil;
+    }
+}
+
 - (BOOL)applyImageSkinWithData:(NSData *)imageData skinId:(NSString *)skinId name:(NSString *)name {
     // 仅作为“存在背景图”的标记使用：图像文件本身存放在 App Group 容器
     // Skins/<skinId>/background.png 中，这里不再把二进制图片写入 Keychain，
@@ -216,20 +270,52 @@ static void KBSkinDarwinCallback(CFNotificationCenterRef center, void *observer,
     NSString *skinId = self.current.skinId;
     if (skinId.length == 0) return nil;
 
+    // 同一个 skinId 在键盘的生命周期内会被频繁读取；缓存一份避免反复解码导致内存上涨。
+    @synchronized (self) {
+        if (self.kb_cachedBgResolved && [self.kb_cachedBgSkinId isEqualToString:skinId]) {
+            return self.kb_cachedBgImage;
+        }
+    }
+
     NSArray<NSString *> *roots = [self.class kb_candidateBaseRoots];
     NSFileManager *fm = [NSFileManager defaultManager];
     NSString *relative = [NSString stringWithFormat:@"Skins/%@/background.png", skinId];
 
+    // 背景图通常远大于键盘实际显示区域，按像素上限做缩略解码，显著降低扩展内存占用。
+    NSUInteger maxPixel = (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) ? 2048 : 1024;
     for (NSString *base in roots) {
         NSString *bgPath = [[base stringByAppendingPathComponent:relative] stringByStandardizingPath];
         BOOL isDir = NO;
         if (![fm fileExistsAtPath:bgPath isDirectory:&isDir] || isDir) {
             continue;
         }
-        NSData *data = [NSData dataWithContentsOfFile:bgPath];
-        if (data.length == 0) continue;
-        UIImage *img = [UIImage imageWithData:data scale:[UIScreen mainScreen].scale];
-        if (img) return img;
+        NSString *cacheKey = [NSString stringWithFormat:@"bg|%@", bgPath];
+        UIImage *cached = [self.kb_fileImageCache objectForKey:cacheKey];
+        if (cached) {
+            @synchronized (self) {
+                self.kb_cachedBgSkinId = skinId;
+                self.kb_cachedBgResolved = YES;
+                self.kb_cachedBgImage = cached;
+            }
+            return cached;
+        }
+
+        UIImage *img = [self.class kb_imageAtPath:bgPath maxPixel:maxPixel];
+        if (img) {
+            NSUInteger cost = KBApproxImageCostBytes(img);
+            [self.kb_fileImageCache setObject:img forKey:cacheKey cost:cost];
+            @synchronized (self) {
+                self.kb_cachedBgSkinId = skinId;
+                self.kb_cachedBgResolved = YES;
+                self.kb_cachedBgImage = img;
+            }
+            return img;
+        }
+    }
+    @synchronized (self) {
+        self.kb_cachedBgSkinId = skinId;
+        self.kb_cachedBgResolved = YES;
+        self.kb_cachedBgImage = nil;
     }
     return nil;
 }
@@ -314,7 +400,13 @@ static void KBSkinDarwinCallback(CFNotificationCenterRef center, void *observer,
                 if (![fm fileExistsAtPath:fullPath isDirectory:&isDir] || isDir) {
                     continue;
                 }
-                UIImage *img = [UIImage imageWithContentsOfFile:fullPath];
+                NSString *cacheKey = [NSString stringWithFormat:@"icon|%@", fullPath];
+                UIImage *img = [self.kb_fileImageCache objectForKey:cacheKey];
+                if (img) return img;
+                img = [UIImage imageWithContentsOfFile:fullPath];
+                if (img) {
+                    [self.kb_fileImageCache setObject:img forKey:cacheKey cost:KBApproxImageCostBytes(img)];
+                }
                 if (img) return img;
             }
 #if DEBUG
@@ -351,7 +443,13 @@ static void KBSkinDarwinCallback(CFNotificationCenterRef center, void *observer,
             NSString *fullPath = [[base stringByAppendingPathComponent:relative] stringByStandardizingPath];
             BOOL isDir = NO;
             if ([fm fileExistsAtPath:fullPath isDirectory:&isDir] && !isDir) {
-                UIImage *img = [UIImage imageWithContentsOfFile:fullPath];
+                NSString *cacheKey = [NSString stringWithFormat:@"icon|%@", fullPath];
+                UIImage *img = [self.kb_fileImageCache objectForKey:cacheKey];
+                if (img) return img;
+                img = [UIImage imageWithContentsOfFile:fullPath];
+                if (img) {
+                    [self.kb_fileImageCache setObject:img forKey:cacheKey cost:KBApproxImageCostBytes(img)];
+                }
                 if (img) return img;
             }
         }
@@ -363,7 +461,13 @@ static void KBSkinDarwinCallback(CFNotificationCenterRef center, void *observer,
         NSString *fullPath = [[base stringByAppendingPathComponent:relative] stringByStandardizingPath];
         BOOL isDir = NO;
         if ([fm fileExistsAtPath:fullPath isDirectory:&isDir] && !isDir) {
-            UIImage *img = [UIImage imageWithContentsOfFile:fullPath];
+            NSString *cacheKey = [NSString stringWithFormat:@"icon|%@", fullPath];
+            UIImage *img = [self.kb_fileImageCache objectForKey:cacheKey];
+            if (img) return img;
+            img = [UIImage imageWithContentsOfFile:fullPath];
+            if (img) {
+                [self.kb_fileImageCache setObject:img forKey:cacheKey cost:KBApproxImageCostBytes(img)];
+            }
             if (img) return img;
         }
     }
@@ -449,6 +553,7 @@ static void KBSkinDarwinCallback(CFNotificationCenterRef center, void *observer,
     if (!t || ![self.class kb_hasAssetsForSkinId:t.skinId]) {
         t = [self.class defaultTheme];
     }
+    [self clearRuntimeImageCaches];
     self.current = t;
     if (broadcast) {
         [[NSNotificationCenter defaultCenter] postNotificationName:KBSkinDidChangeNotification object:nil];

keyBoard.xcodeproj/project.pbxproj

@@ -57,16 +57,8 @@
 		046086752F191CC700757C95 /* AI技术分析.txt in Resources */ = {isa = PBXBuildFile; fileRef = 046086742F191CC700757C95 /* AI技术分析.txt */; };
 		0460869A2F19238500757C95 /* KBAiWaveformView.m in Sources */ = {isa = PBXBuildFile; fileRef = 046086992F19238500757C95 /* KBAiWaveformView.m */; };
 		0460869C2F19238500757C95 /* KBAiRecordButton.m in Sources */ = {isa = PBXBuildFile; fileRef = 046086972F19238500757C95 /* KBAiRecordButton.m */; };
-		046086B12F19239B00757C95 /* SubtitleSync.m in Sources */ = {isa = PBXBuildFile; fileRef = 046086AC2F19239B00757C95 /* SubtitleSync.m */; };
-		046086B22F19239B00757C95 /* TTSServiceClient.m in Sources */ = {isa = PBXBuildFile; fileRef = 046086B02F19239B00757C95 /* TTSServiceClient.m */; };
 		046086B32F19239B00757C95 /* AudioSessionManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 046086A22F19239B00757C95 /* AudioSessionManager.m */; };
-		046086B42F19239B00757C95 /* LLMStreamClient.m in Sources */ = {isa = PBXBuildFile; fileRef = 046086A82F19239B00757C95 /* LLMStreamClient.m */; };
-		046086B52F19239B00757C95 /* Segmenter.m in Sources */ = {isa = PBXBuildFile; fileRef = 046086AA2F19239B00757C95 /* Segmenter.m */; };
-		046086B62F19239B00757C95 /* TTSPlaybackPipeline.m in Sources */ = {isa = PBXBuildFile; fileRef = 046086AE2F19239B00757C95 /* TTSPlaybackPipeline.m */; };
-		046086B72F19239B00757C95 /* ConversationOrchestrator.m in Sources */ = {isa = PBXBuildFile; fileRef = 046086A62F19239B00757C95 /* ConversationOrchestrator.m */; };
-		046086B82F19239B00757C95 /* ASRStreamClient.m in Sources */ = {isa = PBXBuildFile; fileRef = 0460869E2F19239B00757C95 /* ASRStreamClient.m */; };
 		046086B92F19239B00757C95 /* AudioCaptureManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 046086A02F19239B00757C95 /* AudioCaptureManager.m */; };
-		046086BA2F19239B00757C95 /* AudioStreamPlayer.m in Sources */ = {isa = PBXBuildFile; fileRef = 046086A42F19239B00757C95 /* AudioStreamPlayer.m */; };
 		046086BD2F1A039F00757C95 /* KBAICommentView.m in Sources */ = {isa = PBXBuildFile; fileRef = 046086BC2F1A039F00757C95 /* KBAICommentView.m */; };
 		046086CB2F1A092500757C95 /* comments_mock.json in Resources */ = {isa = PBXBuildFile; fileRef = 046086C62F1A092500757C95 /* comments_mock.json */; };
 		046086CC2F1A092500757C95 /* KBAIReplyModel.m in Sources */ = {isa = PBXBuildFile; fileRef = 046086CA2F1A092500757C95 /* KBAIReplyModel.m */; };
@@ -78,7 +70,6 @@
 		046131142ECF454500A6FADF /* KBKeyPreviewView.m in Sources */ = {isa = PBXBuildFile; fileRef = 046131132ECF454500A6FADF /* KBKeyPreviewView.m */; };
 		0477BDF02EBB76E30055D639 /* HomeSheetVC.m in Sources */ = {isa = PBXBuildFile; fileRef = 0477BDEF2EBB76E30055D639 /* HomeSheetVC.m */; };
 		0477BDF32EBB7B850055D639 /* KBDirectionIndicatorView.m in Sources */ = {isa = PBXBuildFile; fileRef = 0477BDF22EBB7B850055D639 /* KBDirectionIndicatorView.m */; };
-		0477BDF72EBC63A80055D639 /* KBTestVC.m in Sources */ = {isa = PBXBuildFile; fileRef = 0477BDF62EBC63A80055D639 /* KBTestVC.m */; };
 		0477BDFA2EBC66340055D639 /* HomeHeadView.m in Sources */ = {isa = PBXBuildFile; fileRef = 0477BDF92EBC66340055D639 /* HomeHeadView.m */; };
 		0477BDFD2EBC6A170055D639 /* HomeHotVC.m in Sources */ = {isa = PBXBuildFile; fileRef = 0477BDFC2EBC6A170055D639 /* HomeHotVC.m */; };
 		0477BE002EBC6A330055D639 /* HomeRankVC.m in Sources */ = {isa = PBXBuildFile; fileRef = 0477BDFF2EBC6A330055D639 /* HomeRankVC.m */; };
@@ -143,14 +134,12 @@
 		048FFD1D2F277486005D62AE /* KBChatHistoryPageModel.m in Sources */ = {isa = PBXBuildFile; fileRef = 048FFD1C2F277486005D62AE /* KBChatHistoryPageModel.m */; };
 		048FFD1E2F277486005D62AE /* KBChatHistoryModel.m in Sources */ = {isa = PBXBuildFile; fileRef = 048FFD1A2F277486005D62AE /* KBChatHistoryModel.m */; };
 		048FFD242F28A836005D62AE /* KBChatLimitPopView.m in Sources */ = {isa = PBXBuildFile; fileRef = 048FFD232F28A836005D62AE /* KBChatLimitPopView.m */; };
-			A1B2C9302FCA000100000001 /* KBChatLimitPopView.m in Sources */ = {isa = PBXBuildFile; fileRef = 048FFD232F28A836005D62AE /* KBChatLimitPopView.m */; };
 		048FFD272F28C6CF005D62AE /* KBImagePositionButton.m in Sources */ = {isa = PBXBuildFile; fileRef = 048FFD262F28C6CF005D62AE /* KBImagePositionButton.m */; };
 		048FFD2A2F28E99A005D62AE /* KBCommentModel.m in Sources */ = {isa = PBXBuildFile; fileRef = 048FFD292F28E99A005D62AE /* KBCommentModel.m */; };
 		048FFD2D2F29F356005D62AE /* KBAIMessageVC.m in Sources */ = {isa = PBXBuildFile; fileRef = 048FFD2C2F29F356005D62AE /* KBAIMessageVC.m */; };
 		048FFD302F29F3C3005D62AE /* KBAIMessageZanVC.m in Sources */ = {isa = PBXBuildFile; fileRef = 048FFD2F2F29F3C3005D62AE /* KBAIMessageZanVC.m */; };
 		048FFD332F29F3D2005D62AE /* KBAIMessageChatingVC.m in Sources */ = {isa = PBXBuildFile; fileRef = 048FFD322F29F3D2005D62AE /* KBAIMessageChatingVC.m */; };
 		048FFD342F29F400005D62AE /* KBAIMessageListVC.m in Sources */ = {isa = PBXBuildFile; fileRef = 048FFD362F29F400005D62AE /* KBAIMessageListVC.m */; };
-		048FFD362F29F88E005D62AE /* AIMessageVM.m in Sources */ = {isa = PBXBuildFile; fileRef = 048FFD352F29F88E005D62AE /* AIMessageVM.m */; };
 		048FFD372F29F410005D62AE /* KBAIMessageCell.m in Sources */ = {isa = PBXBuildFile; fileRef = 048FFD392F29F410005D62AE /* KBAIMessageCell.m */; };
 		048FFD392F2A24C5005D62AE /* KBAIChatMessageCacheManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 048FFD382F2A24C5005D62AE /* KBAIChatMessageCacheManager.m */; };
 		048FFD3C2F29F500005D62AE /* KBLikedCompanionModel.m in Sources */ = {isa = PBXBuildFile; fileRef = 048FFD3B2F29F500005D62AE /* KBLikedCompanionModel.m */; };
@@ -209,6 +198,9 @@
 		04A9FE202EB893F10020DB6D /* Localizable.strings in Resources */ = {isa = PBXBuildFile; fileRef = 04A9FE1E2EB893F10020DB6D /* Localizable.strings */; };
 		04A9FE212EB893F10020DB6D /* Localizable.strings in Resources */ = {isa = PBXBuildFile; fileRef = 04A9FE1E2EB893F10020DB6D /* Localizable.strings */; };
 		04B5A1A22EEFA12300AAAAAA /* KBPayProductModel.m in Sources */ = {isa = PBXBuildFile; fileRef = 04B5A1A12EEFA12300AAAAAA /* KBPayProductModel.m */; };
+		04BBF89D2F3ACD8800B1FBB2 /* KBKeyboardStressTestVC.m in Sources */ = {isa = PBXBuildFile; fileRef = 04BBF89A2F3ACD8800B1FBB2 /* KBKeyboardStressTestVC.m */; };
+		04BBF89E2F3ACD8800B1FBB2 /* KBTestVC.m in Sources */ = {isa = PBXBuildFile; fileRef = 04BBF89C2F3ACD8800B1FBB2 /* KBTestVC.m */; };
+		04BBF9002F3C97CB00B1FBB2 /* DeepgramWebSocketClient.m in Sources */ = {isa = PBXBuildFile; fileRef = 04BBF8FF2F3C97CB00B1FBB2 /* DeepgramWebSocketClient.m */; };
 		04C6EABA2EAF86530089C901 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 04C6EAAE2EAF86530089C901 /* Assets.xcassets */; };
 		04C6EABC2EAF86530089C901 /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 04C6EAB12EAF86530089C901 /* LaunchScreen.storyboard */; };
 		04C6EABD2EAF86530089C901 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 04C6EAB42EAF86530089C901 /* Main.storyboard */; };
@@ -222,10 +214,7 @@
 		04D1F6B32EDFF10A00B12345 /* KBSkinInstallBridge.m in Sources */ = {isa = PBXBuildFile; fileRef = 04D1F6B12EDFF10A00B12345 /* KBSkinInstallBridge.m */; };
 		04E0383E2F1A7C30002CA5A0 /* KBCustomTabBar.m in Sources */ = {isa = PBXBuildFile; fileRef = 04E0383D2F1A7C30002CA5A0 /* KBCustomTabBar.m */; };
 		04E038D82F20BFFB002CA5A0 /* websocket-api.md in Resources */ = {isa = PBXBuildFile; fileRef = 04E038D72F20BFFB002CA5A0 /* websocket-api.md */; };
-		04E038DD2F20C420002CA5A0 /* VoiceChatStreamingManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 04E038DA2F20C420002CA5A0 /* VoiceChatStreamingManager.m */; };
-		04E038DE2F20C420002CA5A0 /* VoiceChatWebSocketClient.m in Sources */ = {isa = PBXBuildFile; fileRef = 04E038DC2F20C420002CA5A0 /* VoiceChatWebSocketClient.m */; };
 		04E038E32F20E500002CA5A0 /* deepgramAPI.md in Resources */ = {isa = PBXBuildFile; fileRef = 04E038E22F20E500002CA5A0 /* deepgramAPI.md */; };
-		04E038E82F20E877002CA5A0 /* DeepgramWebSocketClient.m in Sources */ = {isa = PBXBuildFile; fileRef = 04E038E72F20E877002CA5A0 /* DeepgramWebSocketClient.m */; };
 		04E038E92F20E877002CA5A0 /* DeepgramStreamingManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 04E038E52F20E877002CA5A0 /* DeepgramStreamingManager.m */; };
 		04E038EF2F21F0EC002CA5A0 /* AiVM.m in Sources */ = {isa = PBXBuildFile; fileRef = 04E038EE2F21F0EC002CA5A0 /* AiVM.m */; };
 		04E0394B2F236E75002CA5A0 /* KBChatUserMessageCell.m in Sources */ = {isa = PBXBuildFile; fileRef = 04E0394A2F236E75002CA5A0 /* KBChatUserMessageCell.m */; };
@@ -302,6 +291,7 @@
 		A1B2C9262FC9000100000001 /* KBChatMessage.m in Sources */ = {isa = PBXBuildFile; fileRef = A1B2C9212FC9000100000001 /* KBChatMessage.m */; };
 		A1B2C9272FC9000100000001 /* KBChatMessageCell.m in Sources */ = {isa = PBXBuildFile; fileRef = A1B2C9232FC9000100000001 /* KBChatMessageCell.m */; };
 		A1B2C9282FC9000100000001 /* KBChatPanelView.m in Sources */ = {isa = PBXBuildFile; fileRef = A1B2C9252FC9000100000001 /* KBChatPanelView.m */; };
+		A1B2C9302FCA000100000001 /* KBChatLimitPopView.m in Sources */ = {isa = PBXBuildFile; fileRef = 048FFD232F28A836005D62AE /* KBChatLimitPopView.m */; };
 		A1B2D7022EB8C00100000001 /* KBLangTestVC.m in Sources */ = {isa = PBXBuildFile; fileRef = A1B2D7012EB8C00100000001 /* KBLangTestVC.m */; };
 		A1B2E1012EBC7AAA00000001 /* KBTopThreeView.m in Sources */ = {isa = PBXBuildFile; fileRef = A1B2E0022EBC7AAA00000001 /* KBTopThreeView.m */; };
 		A1B2E1022EBC7AAA00000001 /* HomeHotCell.m in Sources */ = {isa = PBXBuildFile; fileRef = A1B2E0042EBC7AAA00000001 /* HomeHotCell.m */; };
@@ -409,26 +399,10 @@
 		046086972F19238500757C95 /* KBAiRecordButton.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBAiRecordButton.m; sourceTree = "<group>"; };
 		046086982F19238500757C95 /* KBAiWaveformView.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBAiWaveformView.h; sourceTree = "<group>"; };
 		046086992F19238500757C95 /* KBAiWaveformView.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBAiWaveformView.m; sourceTree = "<group>"; };
-		0460869D2F19239B00757C95 /* ASRStreamClient.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = ASRStreamClient.h; sourceTree = "<group>"; };
-		0460869E2F19239B00757C95 /* ASRStreamClient.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = ASRStreamClient.m; sourceTree = "<group>"; };
 		0460869F2F19239B00757C95 /* AudioCaptureManager.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = AudioCaptureManager.h; sourceTree = "<group>"; };
 		046086A02F19239B00757C95 /* AudioCaptureManager.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = AudioCaptureManager.m; sourceTree = "<group>"; };
 		046086A12F19239B00757C95 /* AudioSessionManager.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = AudioSessionManager.h; sourceTree = "<group>"; };
 		046086A22F19239B00757C95 /* AudioSessionManager.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = AudioSessionManager.m; sourceTree = "<group>"; };
-		046086A32F19239B00757C95 /* AudioStreamPlayer.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = AudioStreamPlayer.h; sourceTree = "<group>"; };
-		046086A42F19239B00757C95 /* AudioStreamPlayer.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = AudioStreamPlayer.m; sourceTree = "<group>"; };
-		046086A52F19239B00757C95 /* ConversationOrchestrator.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = ConversationOrchestrator.h; sourceTree = "<group>"; };
-		046086A62F19239B00757C95 /* ConversationOrchestrator.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = ConversationOrchestrator.m; sourceTree = "<group>"; };
-		046086A72F19239B00757C95 /* LLMStreamClient.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = LLMStreamClient.h; sourceTree = "<group>"; };
-		046086A82F19239B00757C95 /* LLMStreamClient.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = LLMStreamClient.m; sourceTree = "<group>"; };
-		046086A92F19239B00757C95 /* Segmenter.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = Segmenter.h; sourceTree = "<group>"; };
-		046086AA2F19239B00757C95 /* Segmenter.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = Segmenter.m; sourceTree = "<group>"; };
-		046086AB2F19239B00757C95 /* SubtitleSync.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = SubtitleSync.h; sourceTree = "<group>"; };
-		046086AC2F19239B00757C95 /* SubtitleSync.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = SubtitleSync.m; sourceTree = "<group>"; };
-		046086AD2F19239B00757C95 /* TTSPlaybackPipeline.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = TTSPlaybackPipeline.h; sourceTree = "<group>"; };
-		046086AE2F19239B00757C95 /* TTSPlaybackPipeline.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = TTSPlaybackPipeline.m; sourceTree = "<group>"; };
-		046086AF2F19239B00757C95 /* TTSServiceClient.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = TTSServiceClient.h; sourceTree = "<group>"; };
-		046086B02F19239B00757C95 /* TTSServiceClient.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = TTSServiceClient.m; sourceTree = "<group>"; };
 		046086BB2F1A039F00757C95 /* KBAICommentView.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBAICommentView.h; sourceTree = "<group>"; };
 		046086BC2F1A039F00757C95 /* KBAICommentView.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBAICommentView.m; sourceTree = "<group>"; };
 		046086C62F1A092500757C95 /* comments_mock.json */ = {isa = PBXFileReference; lastKnownFileType = text.json; path = comments_mock.json; sourceTree = "<group>"; };
@@ -450,8 +424,6 @@
 		0477BDEF2EBB76E30055D639 /* HomeSheetVC.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = HomeSheetVC.m; sourceTree = "<group>"; };
 		0477BDF12EBB7B850055D639 /* KBDirectionIndicatorView.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBDirectionIndicatorView.h; sourceTree = "<group>"; };
 		0477BDF22EBB7B850055D639 /* KBDirectionIndicatorView.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBDirectionIndicatorView.m; sourceTree = "<group>"; };
-		0477BDF52EBC63A80055D639 /* KBTestVC.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBTestVC.h; sourceTree = "<group>"; };
-		0477BDF62EBC63A80055D639 /* KBTestVC.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBTestVC.m; sourceTree = "<group>"; };
 		0477BDF82EBC66340055D639 /* HomeHeadView.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = HomeHeadView.h; sourceTree = "<group>"; };
 		0477BDF92EBC66340055D639 /* HomeHeadView.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = HomeHeadView.m; sourceTree = "<group>"; };
 		0477BDFB2EBC6A170055D639 /* HomeHotVC.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = HomeHotVC.h; sourceTree = "<group>"; };
@@ -580,9 +552,7 @@
 		048FFD2F2F29F3C3005D62AE /* KBAIMessageZanVC.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBAIMessageZanVC.m; sourceTree = "<group>"; };
 		048FFD312F29F3D2005D62AE /* KBAIMessageChatingVC.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBAIMessageChatingVC.h; sourceTree = "<group>"; };
 		048FFD322F29F3D2005D62AE /* KBAIMessageChatingVC.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBAIMessageChatingVC.m; sourceTree = "<group>"; };
-		048FFD342F29F88E005D62AE /* AIMessageVM.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = AIMessageVM.h; sourceTree = "<group>"; };
 		048FFD352F29F400005D62AE /* KBAIMessageListVC.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBAIMessageListVC.h; sourceTree = "<group>"; };
-		048FFD352F29F88E005D62AE /* AIMessageVM.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = AIMessageVM.m; sourceTree = "<group>"; };
 		048FFD362F29F400005D62AE /* KBAIMessageListVC.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBAIMessageListVC.m; sourceTree = "<group>"; };
 		048FFD372F2A24C5005D62AE /* KBAIChatMessageCacheManager.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBAIChatMessageCacheManager.h; sourceTree = "<group>"; };
 		048FFD382F29F410005D62AE /* KBAIMessageCell.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBAIMessageCell.h; sourceTree = "<group>"; };
@@ -685,6 +655,12 @@
 		04A9FE1D2EB893F10020DB6D /* zh-Hans */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = "zh-Hans"; path = "zh-Hans.lproj/Localizable.strings"; sourceTree = "<group>"; };
 		04B5A1A02EEFA12300AAAAAA /* KBPayProductModel.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBPayProductModel.h; sourceTree = "<group>"; };
 		04B5A1A12EEFA12300AAAAAA /* KBPayProductModel.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBPayProductModel.m; sourceTree = "<group>"; };
+		04BBF8992F3ACD8800B1FBB2 /* KBKeyboardStressTestVC.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBKeyboardStressTestVC.h; sourceTree = "<group>"; };
+		04BBF89A2F3ACD8800B1FBB2 /* KBKeyboardStressTestVC.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBKeyboardStressTestVC.m; sourceTree = "<group>"; };
+		04BBF89B2F3ACD8800B1FBB2 /* KBTestVC.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBTestVC.h; sourceTree = "<group>"; };
+		04BBF89C2F3ACD8800B1FBB2 /* KBTestVC.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBTestVC.m; sourceTree = "<group>"; };
+		04BBF8FE2F3C97CB00B1FBB2 /* DeepgramWebSocketClient.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = DeepgramWebSocketClient.h; sourceTree = "<group>"; };
+		04BBF8FF2F3C97CB00B1FBB2 /* DeepgramWebSocketClient.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = DeepgramWebSocketClient.m; sourceTree = "<group>"; };
 		04C6EAAC2EAF86530089C901 /* AppDelegate.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = AppDelegate.h; sourceTree = "<group>"; };
 		04C6EAAD2EAF86530089C901 /* AppDelegate.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = AppDelegate.m; sourceTree = "<group>"; };
 		04C6EAAE2EAF86530089C901 /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
@@ -708,15 +684,9 @@
 		04E0383C2F1A7C30002CA5A0 /* KBCustomTabBar.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBCustomTabBar.h; sourceTree = "<group>"; };
 		04E0383D2F1A7C30002CA5A0 /* KBCustomTabBar.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBCustomTabBar.m; sourceTree = "<group>"; };
 		04E038D72F20BFFB002CA5A0 /* websocket-api.md */ = {isa = PBXFileReference; lastKnownFileType = net.daringfireball.markdown; path = "websocket-api.md"; sourceTree = "<group>"; };
-		04E038D92F20C420002CA5A0 /* VoiceChatStreamingManager.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = VoiceChatStreamingManager.h; sourceTree = "<group>"; };
-		04E038DA2F20C420002CA5A0 /* VoiceChatStreamingManager.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = VoiceChatStreamingManager.m; sourceTree = "<group>"; };
-		04E038DB2F20C420002CA5A0 /* VoiceChatWebSocketClient.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = VoiceChatWebSocketClient.h; sourceTree = "<group>"; };
-		04E038DC2F20C420002CA5A0 /* VoiceChatWebSocketClient.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = VoiceChatWebSocketClient.m; sourceTree = "<group>"; };
 		04E038E22F20E500002CA5A0 /* deepgramAPI.md */ = {isa = PBXFileReference; lastKnownFileType = net.daringfireball.markdown; path = deepgramAPI.md; sourceTree = "<group>"; };
 		04E038E42F20E877002CA5A0 /* DeepgramStreamingManager.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = DeepgramStreamingManager.h; sourceTree = "<group>"; };
 		04E038E52F20E877002CA5A0 /* DeepgramStreamingManager.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = DeepgramStreamingManager.m; sourceTree = "<group>"; };
-		04E038E62F20E877002CA5A0 /* DeepgramWebSocketClient.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = DeepgramWebSocketClient.h; sourceTree = "<group>"; };
-		04E038E72F20E877002CA5A0 /* DeepgramWebSocketClient.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = DeepgramWebSocketClient.m; sourceTree = "<group>"; };
 		04E038ED2F21F0EC002CA5A0 /* AiVM.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = AiVM.h; sourceTree = "<group>"; };
 		04E038EE2F21F0EC002CA5A0 /* AiVM.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = AiVM.m; sourceTree = "<group>"; };
 		04E039422F236E75002CA5A0 /* KBChatAssistantMessageCell.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBChatAssistantMessageCell.h; sourceTree = "<group>"; };
@@ -1177,42 +1147,20 @@
 		0460866F2F191A5100757C95 /* VM */ = {
 			isa = PBXGroup;
 			children = (
-				0460869D2F19239B00757C95 /* ASRStreamClient.h */,
-				0460869E2F19239B00757C95 /* ASRStreamClient.m */,
 				0460869F2F19239B00757C95 /* AudioCaptureManager.h */,
 				046086A02F19239B00757C95 /* AudioCaptureManager.m */,
 				046086A12F19239B00757C95 /* AudioSessionManager.h */,
 				046086A22F19239B00757C95 /* AudioSessionManager.m */,
-				046086A32F19239B00757C95 /* AudioStreamPlayer.h */,
-				046086A42F19239B00757C95 /* AudioStreamPlayer.m */,
-				046086A52F19239B00757C95 /* ConversationOrchestrator.h */,
-				046086A62F19239B00757C95 /* ConversationOrchestrator.m */,
-				046086A72F19239B00757C95 /* LLMStreamClient.h */,
-				046086A82F19239B00757C95 /* LLMStreamClient.m */,
-				046086A92F19239B00757C95 /* Segmenter.h */,
-				046086AA2F19239B00757C95 /* Segmenter.m */,
-				046086AB2F19239B00757C95 /* SubtitleSync.h */,
-				046086AC2F19239B00757C95 /* SubtitleSync.m */,
-				046086AD2F19239B00757C95 /* TTSPlaybackPipeline.h */,
-				046086AE2F19239B00757C95 /* TTSPlaybackPipeline.m */,
-				046086AF2F19239B00757C95 /* TTSServiceClient.h */,
-				046086B02F19239B00757C95 /* TTSServiceClient.m */,
-				04E038D92F20C420002CA5A0 /* VoiceChatStreamingManager.h */,
-				04E038DA2F20C420002CA5A0 /* VoiceChatStreamingManager.m */,
-				04E038DB2F20C420002CA5A0 /* VoiceChatWebSocketClient.h */,
-				04E038DC2F20C420002CA5A0 /* VoiceChatWebSocketClient.m */,
 				04E038E42F20E877002CA5A0 /* DeepgramStreamingManager.h */,
 				04E038E52F20E877002CA5A0 /* DeepgramStreamingManager.m */,
+				04BBF8FE2F3C97CB00B1FBB2 /* DeepgramWebSocketClient.h */,
+				04BBF8FF2F3C97CB00B1FBB2 /* DeepgramWebSocketClient.m */,
 				04E0B1002F300001002CA5A0 /* KBVoiceToTextManager.h */,
 				04E0B1012F300001002CA5A0 /* KBVoiceToTextManager.m */,
 				04E0B2002F300002002CA5A0 /* KBVoiceRecordManager.h */,
 				04E0B2012F300002002CA5A0 /* KBVoiceRecordManager.m */,
-				04E038E62F20E877002CA5A0 /* DeepgramWebSocketClient.h */,
-				04E038E72F20E877002CA5A0 /* DeepgramWebSocketClient.m */,
 				04E038ED2F21F0EC002CA5A0 /* AiVM.h */,
 				04E038EE2F21F0EC002CA5A0 /* AiVM.m */,
-				048FFD342F29F88E005D62AE /* AIMessageVM.h */,
-				048FFD352F29F88E005D62AE /* AIMessageVM.m */,
 			);
 			path = VM;
 			sourceTree = "<group>";
@@ -1247,12 +1195,14 @@
 		0477BE012EBC6D420055D639 /* FunctionTest */ = {
 			isa = PBXGroup;
 			children = (
-				0477BDF52EBC63A80055D639 /* KBTestVC.h */,
-				0477BDF62EBC63A80055D639 /* KBTestVC.m */,
 				A1B2D7002EB8C00100000001 /* KBLangTestVC.h */,
 				A1B2D7012EB8C00100000001 /* KBLangTestVC.m */,
 				0459D1B22EBA284C00F2D189 /* KBSkinCenterVC.h */,
 				0459D1B32EBA284C00F2D189 /* KBSkinCenterVC.m */,
+				04BBF8992F3ACD8800B1FBB2 /* KBKeyboardStressTestVC.h */,
+				04BBF89A2F3ACD8800B1FBB2 /* KBKeyboardStressTestVC.m */,
+				04BBF89B2F3ACD8800B1FBB2 /* KBTestVC.h */,
+				04BBF89C2F3ACD8800B1FBB2 /* KBTestVC.m */,
 			);
 			path = FunctionTest;
 			sourceTree = "<group>";
@@ -1586,6 +1536,13 @@
 			path = Localization;
 			sourceTree = "<group>";
 		};
+		04BBF8E52F3B50C000B1FBB2 /* KeyboardViewControllerHelp */ = {
+			isa = PBXGroup;
+			children = (
+			);
+			path = KeyboardViewControllerHelp;
+			sourceTree = "<group>";
+		};
 		04C6EAB92EAF86530089C901 /* keyBoard */ = {
 			isa = PBXGroup;
 			children = (
@@ -1619,6 +1576,7 @@
 				04C6EAD42EAF870B0089C901 /* Info.plist */,
 				04C6EAD52EAF870B0089C901 /* KeyboardViewController.h */,
 				04C6EAD62EAF870B0089C901 /* KeyboardViewController.m */,
+				04BBF8E52F3B50C000B1FBB2 /* KeyboardViewControllerHelp */,
 				04C6EADE2EAF8D680089C901 /* PrefixHeader.pch */,
 				04286A0A2ECD88B400CE730C /* KeyboardAssets.xcassets */,
 			);
@@ -2538,7 +2496,6 @@
 				0498BD712EE02A41006CC1D5 /* KBForgetPwdNewPwdVC.m in Sources */,
 				048908EF2EBF861800FABA60 /* KBSkinSectionTitleCell.m in Sources */,
 				0450AAE22EF03D5100B6AF06 /* KBPerson.swift in Sources */,
-				04E038E82F20E877002CA5A0 /* DeepgramWebSocketClient.m in Sources */,
 				04E038E92F20E877002CA5A0 /* DeepgramStreamingManager.m in Sources */,
 				04E0B1022F300001002CA5A0 /* KBVoiceToTextManager.m in Sources */,
 				04E0B2022F300002002CA5A0 /* KBVoiceRecordManager.m in Sources */,
@@ -2550,18 +2507,16 @@
 				048908D22EBF611D00FABA60 /* KBHistoryMoreCell.m in Sources */,
 				04FC95D82EB1EA16007BD342 /* BaseCell.m in Sources */,
 				0498BD852EE1B255006CC1D5 /* KBSignUtils.m in Sources */,
-				0477BDF72EBC63A80055D639 /* KBTestVC.m in Sources */,
 				04122F7E2EC5FC5500EF7AB3 /* KBJfPayCell.m in Sources */,
 				048FFD502F2B52E7005D62AE /* AIReportVC.m in Sources */,
 				049FB2402EC4B6EF00FAB05D /* KBULBridgeNotification.m in Sources */,
+				04BBF9002F3C97CB00B1FBB2 /* DeepgramWebSocketClient.m in Sources */,
 				04FC95C92EB1E4C9007BD342 /* BaseNavigationController.m in Sources */,
 				048908DD2EBF67EB00FABA60 /* KBSearchResultVC.m in Sources */,
 				05A1B2D12F5B1A2B3C4D5E60 /* KBSearchVM.m in Sources */,
 				05A1B2D22F5B1A2B3C4D5E60 /* KBSearchThemeModel.m in Sources */,
 				047C65102EBCA8DD0035E841 /* HomeRankContentVC.m in Sources */,
 				047C655C2EBCD0F80035E841 /* UIView+KBShadow.m in Sources */,
-				04E038DD2F20C420002CA5A0 /* VoiceChatStreamingManager.m in Sources */,
-				04E038DE2F20C420002CA5A0 /* VoiceChatWebSocketClient.m in Sources */,
 				04F4C0B52F33053800E8F08C /* KBSvipBenefitCell.m in Sources */,
 				04F4C0B62F33053800E8F08C /* KBSvipSubscribeCell.m in Sources */,
 				049FB2262EC3136D00FAB05D /* KBPersonInfoItemCell.m in Sources */,
@@ -2572,7 +2527,6 @@
 				04FC95E52EB220B5007BD342 /* UIColor+Extension.m in Sources */,
 				048908E02EBF73DC00FABA60 /* MySkinVC.m in Sources */,
 				04F4C0AA2F32274000E8F08C /* KBPayMainVC.m in Sources */,
-				048FFD362F29F88E005D62AE /* AIMessageVM.m in Sources */,
 				048908F22EC047FD00FABA60 /* KBShopHeadView.m in Sources */,
 				0498BD742EE02E3D006CC1D5 /* KBRegistVerEmailVC.m in Sources */,
 				049FB2292EC31BB000FAB05D /* KBChangeNicknamePopView.m in Sources */,
@@ -2595,16 +2549,8 @@
 				048FFD112F27432D005D62AE /* KBPersonaPageModel.m in Sources */,
 				0498BD6B2EE025FC006CC1D5 /* KBForgetPwdVC.m in Sources */,
 				048FFD182F2763A5005D62AE /* KBVoiceInputBar.m in Sources */,
-				046086B12F19239B00757C95 /* SubtitleSync.m in Sources */,
-				046086B22F19239B00757C95 /* TTSServiceClient.m in Sources */,
 				046086B32F19239B00757C95 /* AudioSessionManager.m in Sources */,
-				046086B42F19239B00757C95 /* LLMStreamClient.m in Sources */,
-				046086B52F19239B00757C95 /* Segmenter.m in Sources */,
-				046086B62F19239B00757C95 /* TTSPlaybackPipeline.m in Sources */,
-				046086B72F19239B00757C95 /* ConversationOrchestrator.m in Sources */,
-				046086B82F19239B00757C95 /* ASRStreamClient.m in Sources */,
 				046086B92F19239B00757C95 /* AudioCaptureManager.m in Sources */,
-				046086BA2F19239B00757C95 /* AudioStreamPlayer.m in Sources */,
 				048908FE2EC0CC2400FABA60 /* UIScrollView+KBEmptyView.m in Sources */,
 				0498BD7E2EE04F9C006CC1D5 /* KBTag.m in Sources */,
 				04791F922ED48010004E8522 /* KBNoticeVC.m in Sources */,
@@ -2652,6 +2598,8 @@
 				A1B2E1012EBC7AAA00000001 /* KBTopThreeView.m in Sources */,
 				A1B2E1022EBC7AAA00000001 /* HomeHotCell.m in Sources */,
 				048FFD272F28C6CF005D62AE /* KBImagePositionButton.m in Sources */,
+				04BBF89D2F3ACD8800B1FBB2 /* KBKeyboardStressTestVC.m in Sources */,
+				04BBF89E2F3ACD8800B1FBB2 /* KBTestVC.m in Sources */,
 				0459D1B72EBA287900F2D189 /* KBSkinManager.m in Sources */,
 				04286A002ECAEF2B00CE730C /* KBMoneyBtn.m in Sources */,
 				048908F52EC0496400FABA60 /* KBShopItemVC.m in Sources */,

keyBoard.xcodeproj/xcshareddata/xcschemes/CustomKeyboard.xcscheme

@@ -57,8 +57,12 @@
       debugServiceExtension = "internal"
       allowLocationSimulation = "YES"
       launchAutomaticallySubstyle = "2">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
+      <RemoteRunnable
+         runnableDebuggingMode = "0"
+         BundleIdentifier = "com.loveKey.nyx"
+         RemotePath = "/var/containers/Bundle/Application/E51DCFA2-A182-4B31-8A45-BCCF663ADCAA/keyBoard.app">
+      </RemoteRunnable>
+      <MacroExpansion>
          <BuildableReference
             BuildableIdentifier = "primary"
             BlueprintIdentifier = "727EC7522EAF848B00B36487"
@@ -66,7 +70,14 @@
             BlueprintName = "keyBoard"
             ReferencedContainer = "container:keyBoard.xcodeproj">
          </BuildableReference>
-      </BuildableProductRunnable>
+      </MacroExpansion>
+      <EnvironmentVariables>
+         <EnvironmentVariable
+            key = "OS_ACTIVITY_MODE"
+            value = "disable"
+            isEnabled = "NO">
+         </EnvironmentVariable>
+      </EnvironmentVariables>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

keyBoard/Assets.xcassets/Tabbar/tab_shequ_selected.imageset/Contents.json

@@ -5,12 +5,12 @@
       "scale" : "1x"
     },
     {
-      "filename" : "tab_shequ_selected@2x.png",
+      "filename" : "切图 145@2x.png",
       "idiom" : "universal",
       "scale" : "2x"
     },
     {
-      "filename" : "tab_shequ_selected@3x.png",
+      "filename" : "切图 145@3x.png",
       "idiom" : "universal",
       "scale" : "3x"
     }

keyBoard/Class/AiTalk/VC/KBAIHomeVC.m

@@ -50,6 +50,7 @@
 @property (nonatomic, strong) UIView *bottomBackgroundView;
 @property (nonatomic, strong) UIVisualEffectView *bottomBlurEffectView;
 @property (nonatomic, strong) CAGradientLayer *bottomMaskLayer;
+@property (nonatomic, strong) CAGradientLayer *bottomGradientLayer;
 
 /// 语音转写管理器
 @property (nonatomic, strong) KBVoiceToTextManager *voiceToTextManager;
@@ -184,15 +185,15 @@ static NSString * const KBAISelectedPersonaIdKey = @"KBAISelectedPersonaId";
 
 - (void)viewDidLayoutSubviews {
     [super viewDidLayoutSubviews];
-    if (self.bottomMaskLayer) {
-        self.bottomMaskLayer.frame = self.bottomBlurEffectView.bounds;
+    if (self.bottomGradientLayer) {
+        self.bottomGradientLayer.frame = self.bottomBackgroundView.bounds;
     }
 }
 
 #pragma mark - 1：控件初始化
 
 - (void)setupUI {
-    self.voiceInputBarHeight = 52;
+    self.voiceInputBarHeight = 70;
     self.baseInputBarBottomSpacing = KB_TABBAR_HEIGHT;
     [self.view addSubview:self.collectionView];
     [self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
@@ -244,7 +245,7 @@ static NSString * const KBAISelectedPersonaIdKey = @"KBAISelectedPersonaId";
         make.left.equalTo(self.view).offset(12);
         make.right.equalTo(self.view).offset(-12);
         self.commentInputBottomConstraint = make.bottom.equalTo(self.view).offset(100); // 初始在屏幕外
-        make.height.mas_equalTo(self.voiceInputBarHeight);
+        make.height.mas_equalTo(52);
     }];
 }
 
@@ -479,10 +480,10 @@ static NSString * const KBAISelectedPersonaIdKey = @"KBAISelectedPersonaId";
     [ud setObject:personaDict forKey:@"AppGroup_SelectedPersona"];
     [ud synchronize];
     
-    NSLog(@"[KBAIHomeVC] 已保存选中的 persona 到 AppGroup: %@, coverImageUrl: %@", persona.name, persona.coverImageUrl);
+    NSLog(@"[KBAIHomeVC] 已保存选中的 persona 到 AppGroup: %@, avatarUrl: %@", persona.name, persona.avatarUrl);
 
     // 异步下载并缩小图片，保存到 AppGroup 共享目录
-    [self downloadAndSavePersonaCoverImage:persona.coverImageUrl];
+    [self downloadAndSavePersonaCoverImage:persona.avatarUrl];
 }
 
 /// 下载并缩小 persona 封面图，保存到 AppGroup 共享目录
@@ -510,18 +511,17 @@ static NSString * const KBAISelectedPersonaIdKey = @"KBAISelectedPersonaId";
             return;
         }
         
-        // 缩小图片到适合键盘扩展的尺寸（宽度 390，高度按比例）
-        CGFloat targetWidth = 390.0;
-        CGFloat scale = targetWidth / image.size.width;
-        CGSize targetSize = CGSizeMake(targetWidth, image.size.height * scale);
+        // 缩小图片到 40x40（仅用于工具栏头像显示）
+        CGFloat targetSide = 40.0;
+        CGSize targetSize = CGSizeMake(targetSide, targetSide);
 
-        UIGraphicsBeginImageContextWithOptions(targetSize, YES, 1.0);
+        UIGraphicsBeginImageContextWithOptions(targetSize, NO, 1.0);
         [image drawInRect:CGRectMake(0, 0, targetSize.width, targetSize.height)];
         UIImage *scaledImage = UIGraphicsGetImageFromCurrentImageContext();
         UIGraphicsEndImageContext();
 
-        // 压缩为 JPEG，质量 0.6
-        NSData *jpegData = UIImageJPEGRepresentation(scaledImage, 0.6);
+        // 压缩为 JPEG，质量 0.8
+        NSData *jpegData = UIImageJPEGRepresentation(scaledImage, 0.8);
         if (!jpegData) {
             NSLog(@"[KBAIHomeVC] 压缩图片失败");
             return;
@@ -891,32 +891,38 @@ static NSString * const KBAISelectedPersonaIdKey = @"KBAISelectedPersonaId";
     if (!_bottomBackgroundView) {
         _bottomBackgroundView = [[UIView alloc] init];
         _bottomBackgroundView.clipsToBounds = YES;
+        // 添加渐变遮罩层，实现从底部到顶部的渐变显示效果
+        _bottomBackgroundView.layer.mask = self.bottomGradientLayer;
     }
     return _bottomBackgroundView;
 }
 
 - (UIVisualEffectView *)bottomBlurEffectView {
     if (!_bottomBlurEffectView) {
-        UIBlurEffect *blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight];
+        // 使用深色毛玻璃效果
+        UIBlurEffect *blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleDark];
         _bottomBlurEffectView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
-        _bottomBlurEffectView.layer.mask = self.bottomMaskLayer;
+        _bottomBlurEffectView.alpha = 0.9; // 稍微降低整体透明度
     }
     return _bottomBlurEffectView;
 }
 
-- (CAGradientLayer *)bottomMaskLayer {
-    if (!_bottomMaskLayer) {
-        _bottomMaskLayer = [CAGradientLayer layer];
-        _bottomMaskLayer.startPoint = CGPointMake(0.5, 1);
-        _bottomMaskLayer.endPoint = CGPointMake(0.5, 0);
-        _bottomMaskLayer.colors = @[
-            (__bridge id)[UIColor whiteColor].CGColor,
-            (__bridge id)[UIColor whiteColor].CGColor,
-            (__bridge id)[UIColor clearColor].CGColor
+- (CAGradientLayer *)bottomGradientLayer {
+    if (!_bottomGradientLayer) {
+        _bottomGradientLayer = [CAGradientLayer layer];
+        // 从底部到顶部
+        _bottomGradientLayer.startPoint = CGPointMake(0.5, 1);
+        _bottomGradientLayer.endPoint = CGPointMake(0.5, 0);
+        // 作为遮罩层：底部完全不透明（白色），顶部完全透明（透明色）
+        // 中间位置开始渐变，让底部区域保持完整的毛玻璃效果
+        _bottomGradientLayer.colors = @[
+            (__bridge id)[UIColor whiteColor].CGColor,      // 底部：完全不透明
+            (__bridge id)[UIColor whiteColor].CGColor,      // 中间偏下：完全不透明
+            (__bridge id)[[UIColor whiteColor] colorWithAlphaComponent:0.0].CGColor  // 顶部：完全透明
         ];
-        _bottomMaskLayer.locations = @[@(0.0), @(0.5), @(1.0)];
+        _bottomGradientLayer.locations = @[@(0.0), @(0.4), @(1.0)];
     }
-    return _bottomMaskLayer;
+    return _bottomGradientLayer;
 }
 
 - (UIButton *)messageButton {

keyBoard/Class/AiTalk/VM/AIMessageVM.h

@@ -1,16 +0,0 @@
-//
-//  AIMessageVM.h
-//  keyBoard
-//
-//  Created by Mac on 2026/1/28.
-//
-
-#import <Foundation/Foundation.h>
-
-NS_ASSUME_NONNULL_BEGIN
-
-@interface AIMessageVM : NSObject
-
-@end
-
-NS_ASSUME_NONNULL_END

keyBoard/Class/AiTalk/VM/AIMessageVM.m

@@ -1,12 +0,0 @@
-//
-//  AIMessageVM.m
-//  keyBoard
-//
-//  Created by Mac on 2026/1/28.
-//
-
-#import "AIMessageVM.h"
-
-@implementation AIMessageVM
-
-@end

keyBoard/Class/AiTalk/VM/ASRStreamClient.h

@@ -1,51 +0,0 @@
-//
-//  ASRStreamClient.h
-//  keyBoard
-//
-//  Created by Mac on 2026/1/15.
-//
-
-#import <Foundation/Foundation.h>
-
-NS_ASSUME_NONNULL_BEGIN
-
-/// ASR 流式识别客户端代理
-@protocol ASRStreamClientDelegate <NSObject>
-@required
-/// 收到实时识别结果（部分文本）
-- (void)asrClientDidReceivePartialText:(NSString *)text;
-/// 收到最终识别结果
-- (void)asrClientDidReceiveFinalText:(NSString *)text;
-/// 识别失败
-- (void)asrClientDidFail:(NSError *)error;
-@end
-
-/// ASR 流式识别客户端
-/// 使用 NSURLSessionWebSocketTask 实现流式语音识别
-@interface ASRStreamClient : NSObject
-
-@property(nonatomic, weak) id<ASRStreamClientDelegate> delegate;
-
-/// ASR 服务器 WebSocket URL
-@property(nonatomic, copy) NSString *serverURL;
-
-/// 是否已连接
-@property(nonatomic, assign, readonly, getter=isConnected) BOOL connected;
-
-/// 开始新的识别会话
-/// @param sessionId 会话 ID
-- (void)startWithSessionId:(NSString *)sessionId;
-
-/// 发送 PCM 音频帧（20ms / 640 bytes）
-/// @param pcmFrame PCM 数据
-- (void)sendAudioPCMFrame:(NSData *)pcmFrame;
-
-/// 结束当前会话，请求最终结果
-- (void)finalize;
-
-/// 取消会话
-- (void)cancel;
-
-@end
-
-NS_ASSUME_NONNULL_END

keyBoard/Class/AiTalk/VM/ASRStreamClient.m

@@ -1,271 +0,0 @@
-//
-//  ASRStreamClient.m
-//  keyBoard
-//
-//  Created by Mac on 2026/1/15.
-//
-
-#import "ASRStreamClient.h"
-#import "AudioCaptureManager.h"
-
-@interface ASRStreamClient () <NSURLSessionWebSocketDelegate>
-
-@property(nonatomic, strong) NSURLSession *urlSession;
-@property(nonatomic, strong) NSURLSessionWebSocketTask *webSocketTask;
-@property(nonatomic, copy) NSString *currentSessionId;
-@property(nonatomic, strong) dispatch_queue_t networkQueue;
-@property(nonatomic, assign) BOOL connected;
-
-@end
-
-@implementation ASRStreamClient
-
-- (instancetype)init {
-  self = [super init];
-  if (self) {
-    _networkQueue = dispatch_queue_create("com.keyboard.aitalk.asr.network",
-                                          DISPATCH_QUEUE_SERIAL);
-    // TODO: 替换为实际的 ASR 服务器地址
-    _serverURL = @"wss://your-asr-server.com/ws/asr";
-  }
-  return self;
-}
-
-- (void)dealloc {
-  [self cancelInternal];
-}
-
-#pragma mark - Public Methods
-
-- (void)startWithSessionId:(NSString *)sessionId {
-  dispatch_async(self.networkQueue, ^{
-    [self cancelInternal];
-
-    self.currentSessionId = sessionId;
-
-    // 创建 WebSocket 连接
-    NSURL *url = [NSURL URLWithString:self.serverURL];
-    NSURLSessionConfiguration *config =
-        [NSURLSessionConfiguration defaultSessionConfiguration];
-    config.timeoutIntervalForRequest = 30;
-    config.timeoutIntervalForResource = 300;
-
-    self.urlSession = [NSURLSession sessionWithConfiguration:config
-                                                    delegate:self
-                                               delegateQueue:nil];
-
-    self.webSocketTask = [self.urlSession webSocketTaskWithURL:url];
-    [self.webSocketTask resume];
-
-    // 发送 start 消息
-    NSDictionary *startMessage = @{
-      @"type" : @"start",
-      @"sessionId" : sessionId,
-      @"format" : @"pcm_s16le",
-      @"sampleRate" : @(kAudioSampleRate),
-      @"channels" : @(kAudioChannels)
-    };
-
-    NSError *jsonError = nil;
-    NSData *jsonData = [NSJSONSerialization dataWithJSONObject:startMessage
-                                                       options:0
-                                                         error:&jsonError];
-    if (jsonError) {
-      [self reportError:jsonError];
-      return;
-    }
-
-    NSString *jsonString = [[NSString alloc] initWithData:jsonData
-                                                 encoding:NSUTF8StringEncoding];
-    NSURLSessionWebSocketMessage *message =
-        [[NSURLSessionWebSocketMessage alloc] initWithString:jsonString];
-
-    [self.webSocketTask
-              sendMessage:message
-        completionHandler:^(NSError *_Nullable error) {
-          if (error) {
-            [self reportError:error];
-          } else {
-            self.connected = YES;
-            [self receiveMessage];
-            NSLog(@"[ASRStreamClient] Started session: %@", sessionId);
-          }
-        }];
-  });
-}
-
-- (void)sendAudioPCMFrame:(NSData *)pcmFrame {
-  if (!self.connected || !self.webSocketTask) {
-    return;
-  }
-
-  dispatch_async(self.networkQueue, ^{
-    NSURLSessionWebSocketMessage *message =
-        [[NSURLSessionWebSocketMessage alloc] initWithData:pcmFrame];
-    [self.webSocketTask sendMessage:message
-                  completionHandler:^(NSError *_Nullable error) {
-                    if (error) {
-                      NSLog(@"[ASRStreamClient] Failed to send audio frame: %@",
-                            error.localizedDescription);
-                    }
-                  }];
-  });
-}
-
-- (void)finalize {
-  if (!self.connected || !self.webSocketTask) {
-    return;
-  }
-
-  dispatch_async(self.networkQueue, ^{
-    NSDictionary *finalizeMessage =
-        @{@"type" : @"finalize", @"sessionId" : self.currentSessionId ?: @""};
-
-    NSError *jsonError = nil;
-    NSData *jsonData = [NSJSONSerialization dataWithJSONObject:finalizeMessage
-                                                       options:0
-                                                         error:&jsonError];
-    if (jsonError) {
-      [self reportError:jsonError];
-      return;
-    }
-
-    NSString *jsonString = [[NSString alloc] initWithData:jsonData
-                                                 encoding:NSUTF8StringEncoding];
-    NSURLSessionWebSocketMessage *message =
-        [[NSURLSessionWebSocketMessage alloc] initWithString:jsonString];
-
-    [self.webSocketTask sendMessage:message
-                  completionHandler:^(NSError *_Nullable error) {
-                    if (error) {
-                      [self reportError:error];
-                    } else {
-                      NSLog(@"[ASRStreamClient] Sent finalize for session: %@",
-                            self.currentSessionId);
-                    }
-                  }];
-  });
-}
-
-- (void)cancel {
-  dispatch_async(self.networkQueue, ^{
-    [self cancelInternal];
-  });
-}
-
-#pragma mark - Private Methods
-
-- (void)cancelInternal {
-  self.connected = NO;
-
-  if (self.webSocketTask) {
-    [self.webSocketTask cancel];
-    self.webSocketTask = nil;
-  }
-
-  if (self.urlSession) {
-    [self.urlSession invalidateAndCancel];
-    self.urlSession = nil;
-  }
-
-  self.currentSessionId = nil;
-}
-
-- (void)receiveMessage {
-  if (!self.webSocketTask) {
-    return;
-  }
-
-  __weak typeof(self) weakSelf = self;
-  [self.webSocketTask receiveMessageWithCompletionHandler:^(
-                          NSURLSessionWebSocketMessage *_Nullable message,
-                          NSError *_Nullable error) {
-    __strong typeof(weakSelf) strongSelf = weakSelf;
-    if (!strongSelf)
-      return;
-
-    if (error) {
-      // 检查是否是正常关闭
-      if (error.code != 57 && error.code != NSURLErrorCancelled) {
-        [strongSelf reportError:error];
-      }
-      return;
-    }
-
-    if (message.type == NSURLSessionWebSocketMessageTypeString) {
-      [strongSelf handleTextMessage:message.string];
-    }
-
-    // 继续接收下一条消息
-    [strongSelf receiveMessage];
-  }];
-}
-
-- (void)handleTextMessage:(NSString *)text {
-  NSData *data = [text dataUsingEncoding:NSUTF8StringEncoding];
-  NSError *jsonError = nil;
-  NSDictionary *json = [NSJSONSerialization JSONObjectWithData:data
-                                                       options:0
-                                                         error:&jsonError];
-
-  if (jsonError) {
-    NSLog(@"[ASRStreamClient] Failed to parse message: %@", text);
-    return;
-  }
-
-  NSString *type = json[@"type"];
-
-  if ([type isEqualToString:@"partial"]) {
-    NSString *partialText = json[@"text"] ?: @"";
-    dispatch_async(dispatch_get_main_queue(), ^{
-      if ([self.delegate
-              respondsToSelector:@selector(asrClientDidReceivePartialText:)]) {
-        [self.delegate asrClientDidReceivePartialText:partialText];
-      }
-    });
-  } else if ([type isEqualToString:@"final"]) {
-    NSString *finalText = json[@"text"] ?: @"";
-    dispatch_async(dispatch_get_main_queue(), ^{
-      if ([self.delegate
-              respondsToSelector:@selector(asrClientDidReceiveFinalText:)]) {
-        [self.delegate asrClientDidReceiveFinalText:finalText];
-      }
-    });
-    // 收到最终结果后关闭连接
-    [self cancelInternal];
-  } else if ([type isEqualToString:@"error"]) {
-    NSInteger code = [json[@"code"] integerValue];
-    NSString *message = json[@"message"] ?: @"Unknown error";
-    NSError *error =
-        [NSError errorWithDomain:@"ASRStreamClient"
-                            code:code
-                        userInfo:@{NSLocalizedDescriptionKey : message}];
-    [self reportError:error];
-  }
-}
-
-- (void)reportError:(NSError *)error {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector(asrClientDidFail:)]) {
-      [self.delegate asrClientDidFail:error];
-    }
-  });
-}
-
-#pragma mark - NSURLSessionWebSocketDelegate
-
-- (void)URLSession:(NSURLSession *)session
-          webSocketTask:(NSURLSessionWebSocketTask *)webSocketTask
-    didOpenWithProtocol:(NSString *)protocol {
-  NSLog(@"[ASRStreamClient] WebSocket connected with protocol: %@", protocol);
-}
-
-- (void)URLSession:(NSURLSession *)session
-       webSocketTask:(NSURLSessionWebSocketTask *)webSocketTask
-    didCloseWithCode:(NSURLSessionWebSocketCloseCode)closeCode
-              reason:(NSData *)reason {
-  NSLog(@"[ASRStreamClient] WebSocket closed with code: %ld", (long)closeCode);
-  self.connected = NO;
-}
-
-@end

keyBoard/Class/AiTalk/VM/AudioStreamPlayer.h

@@ -1,63 +0,0 @@
-//
-//  AudioStreamPlayer.h
-//  keyBoard
-//
-//  Created by Mac on 2026/1/15.
-//
-
-#import <Foundation/Foundation.h>
-
-NS_ASSUME_NONNULL_BEGIN
-
-/// 流式音频播放器代理
-@protocol AudioStreamPlayerDelegate <NSObject>
-@optional
-/// 开始播放片段
-- (void)audioStreamPlayerDidStartSegment:(NSString *)segmentId;
-/// 播放时间更新
-- (void)audioStreamPlayerDidUpdateTime:(NSTimeInterval)time
-                             segmentId:(NSString *)segmentId;
-/// 片段播放完成
-- (void)audioStreamPlayerDidFinishSegment:(NSString *)segmentId;
-@end
-
-/// PCM 流式播放器
-/// 使用 AVAudioEngine + AVAudioPlayerNode 实现低延迟播放
-@interface AudioStreamPlayer : NSObject
-
-@property(nonatomic, weak) id<AudioStreamPlayerDelegate> delegate;
-
-/// 是否正在播放
-@property(nonatomic, assign, readonly, getter=isPlaying) BOOL playing;
-
-/// 启动播放器
-/// @param error 错误信息
-/// @return 是否启动成功
-- (BOOL)start:(NSError **)error;
-
-/// 停止播放器
-- (void)stop;
-
-/// 入队 PCM 数据块
-/// @param pcmData PCM Int16 数据
-/// @param sampleRate 采样率
-/// @param channels 通道数
-/// @param segmentId 片段 ID
-- (void)enqueuePCMChunk:(NSData *)pcmData
-             sampleRate:(double)sampleRate
-               channels:(int)channels
-              segmentId:(NSString *)segmentId;
-
-/// 获取片段的当前播放时间
-/// @param segmentId 片段 ID
-/// @return 当前时间（秒）
-- (NSTimeInterval)playbackTimeForSegment:(NSString *)segmentId;
-
-/// 获取片段的总时长
-/// @param segmentId 片段 ID
-/// @return 总时长（秒）
-- (NSTimeInterval)durationForSegment:(NSString *)segmentId;
-
-@end
-
-NS_ASSUME_NONNULL_END

keyBoard/Class/AiTalk/VM/AudioStreamPlayer.m

@@ -1,246 +0,0 @@
-//
-//  AudioStreamPlayer.m
-//  keyBoard
-//
-//  Created by Mac on 2026/1/15.
-//
-
-#import "AudioStreamPlayer.h"
-#import <AVFoundation/AVFoundation.h>
-
-@interface AudioStreamPlayer ()
-
-@property(nonatomic, strong) AVAudioEngine *audioEngine;
-@property(nonatomic, strong) AVAudioPlayerNode *playerNode;
-@property(nonatomic, strong) AVAudioFormat *playbackFormat;
-
-// 片段跟踪
-@property(nonatomic, copy) NSString *currentSegmentId;
-@property(nonatomic, strong)
-    NSMutableDictionary<NSString *, NSNumber *> *segmentDurations;
-@property(nonatomic, strong)
-    NSMutableDictionary<NSString *, NSNumber *> *segmentStartTimes;
-@property(nonatomic, assign) NSUInteger scheduledSamples;
-@property(nonatomic, assign) NSUInteger playedSamples;
-
-// 状态
-@property(nonatomic, assign) BOOL playing;
-@property(nonatomic, strong) dispatch_queue_t playerQueue;
-@property(nonatomic, strong) NSTimer *progressTimer;
-
-@end
-
-@implementation AudioStreamPlayer
-
-- (instancetype)init {
-  self = [super init];
-  if (self) {
-    _audioEngine = [[AVAudioEngine alloc] init];
-    _playerNode = [[AVAudioPlayerNode alloc] init];
-    _segmentDurations = [[NSMutableDictionary alloc] init];
-    _segmentStartTimes = [[NSMutableDictionary alloc] init];
-    _playerQueue = dispatch_queue_create("com.keyboard.aitalk.streamplayer",
-                                         DISPATCH_QUEUE_SERIAL);
-
-    // 默认播放格式：16kHz, Mono, Float32
-    _playbackFormat =
-        [[AVAudioFormat alloc] initWithCommonFormat:AVAudioPCMFormatFloat32
-                                         sampleRate:16000
-                                           channels:1
-                                        interleaved:NO];
-  }
-  return self;
-}
-
-- (void)dealloc {
-  [self stop];
-}
-
-#pragma mark - Public Methods
-
-- (BOOL)start:(NSError **)error {
-  if (self.playing) {
-    return YES;
-  }
-
-  // 连接节点
-  [self.audioEngine attachNode:self.playerNode];
-  [self.audioEngine connect:self.playerNode
-                         to:self.audioEngine.mainMixerNode
-                     format:self.playbackFormat];
-
-  // 启动引擎
-  NSError *startError = nil;
-  [self.audioEngine prepare];
-
-  if (![self.audioEngine startAndReturnError:&startError]) {
-    if (error) {
-      *error = startError;
-    }
-    NSLog(@"[AudioStreamPlayer] Failed to start engine: %@",
-          startError.localizedDescription);
-    return NO;
-  }
-
-  [self.playerNode play];
-  self.playing = YES;
-
-  // 启动进度更新定时器
-  [self startProgressTimer];
-
-  NSLog(@"[AudioStreamPlayer] Started");
-  return YES;
-}
-
-- (void)stop {
-  dispatch_async(self.playerQueue, ^{
-    [self stopProgressTimer];
-
-    [self.playerNode stop];
-    [self.audioEngine stop];
-
-    self.playing = NO;
-    self.currentSegmentId = nil;
-    self.scheduledSamples = 0;
-    self.playedSamples = 0;
-
-    [self.segmentDurations removeAllObjects];
-    [self.segmentStartTimes removeAllObjects];
-
-    NSLog(@"[AudioStreamPlayer] Stopped");
-  });
-}
-
-- (void)enqueuePCMChunk:(NSData *)pcmData
-             sampleRate:(double)sampleRate
-               channels:(int)channels
-              segmentId:(NSString *)segmentId {
-
-  if (!pcmData || pcmData.length == 0)
-    return;
-
-  dispatch_async(self.playerQueue, ^{
-    // 检查是否是新片段
-    BOOL isNewSegment = ![segmentId isEqualToString:self.currentSegmentId];
-    if (isNewSegment) {
-      self.currentSegmentId = segmentId;
-      self.scheduledSamples = 0;
-      self.segmentStartTimes[segmentId] = @(CACurrentMediaTime());
-
-      dispatch_async(dispatch_get_main_queue(), ^{
-        if ([self.delegate respondsToSelector:@selector
-                           (audioStreamPlayerDidStartSegment:)]) {
-          [self.delegate audioStreamPlayerDidStartSegment:segmentId];
-        }
-      });
-    }
-
-    // 转换 Int16 -> Float32
-    NSUInteger sampleCount = pcmData.length / sizeof(int16_t);
-    const int16_t *int16Samples = (const int16_t *)pcmData.bytes;
-
-    // 创建播放格式的 buffer
-    AVAudioFormat *format =
-        [[AVAudioFormat alloc] initWithCommonFormat:AVAudioPCMFormatFloat32
-                                         sampleRate:sampleRate
-                                           channels:channels
-                                        interleaved:NO];
-
-    AVAudioPCMBuffer *buffer = [[AVAudioPCMBuffer alloc]
-        initWithPCMFormat:format
-            frameCapacity:(AVAudioFrameCount)sampleCount];
-    buffer.frameLength = (AVAudioFrameCount)sampleCount;
-
-    float *floatChannel = buffer.floatChannelData[0];
-    for (NSUInteger i = 0; i < sampleCount; i++) {
-      floatChannel[i] = (float)int16Samples[i] / 32768.0f;
-    }
-
-    // 调度播放
-    __weak typeof(self) weakSelf = self;
-    [self.playerNode scheduleBuffer:buffer
-                  completionHandler:^{
-                    __strong typeof(weakSelf) strongSelf = weakSelf;
-                    if (!strongSelf)
-                      return;
-
-                    dispatch_async(strongSelf.playerQueue, ^{
-                      strongSelf.playedSamples += sampleCount;
-                    });
-                  }];
-
-    self.scheduledSamples += sampleCount;
-
-    // 更新时长
-    NSTimeInterval chunkDuration = (double)sampleCount / sampleRate;
-    NSNumber *currentDuration = self.segmentDurations[segmentId];
-    self.segmentDurations[segmentId] =
-        @(currentDuration.doubleValue + chunkDuration);
-  });
-}
-
-- (NSTimeInterval)playbackTimeForSegment:(NSString *)segmentId {
-  if (![segmentId isEqualToString:self.currentSegmentId]) {
-    return 0;
-  }
-
-  // 基于已播放的采样数估算时间
-  return (double)self.playedSamples / self.playbackFormat.sampleRate;
-}
-
-- (NSTimeInterval)durationForSegment:(NSString *)segmentId {
-  NSNumber *duration = self.segmentDurations[segmentId];
-  return duration ? duration.doubleValue : 0;
-}
-
-#pragma mark - Progress Timer
-
-- (void)startProgressTimer {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    self.progressTimer =
-        [NSTimer scheduledTimerWithTimeInterval:1.0 / 30.0
-                                         target:self
-                                       selector:@selector(updateProgress)
-                                       userInfo:nil
-                                        repeats:YES];
-  });
-}
-
-- (void)stopProgressTimer {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    [self.progressTimer invalidate];
-    self.progressTimer = nil;
-  });
-}
-
-- (void)updateProgress {
-  if (!self.playing || !self.currentSegmentId) {
-    return;
-  }
-
-  NSTimeInterval currentTime =
-      [self playbackTimeForSegment:self.currentSegmentId];
-  NSString *segmentId = self.currentSegmentId;
-
-  if ([self.delegate respondsToSelector:@selector
-                     (audioStreamPlayerDidUpdateTime:segmentId:)]) {
-    [self.delegate audioStreamPlayerDidUpdateTime:currentTime
-                                        segmentId:segmentId];
-  }
-
-  // 检查是否播放完成
-  NSTimeInterval duration = [self durationForSegment:segmentId];
-  if (duration > 0 && currentTime >= duration - 0.1) {
-    // 播放完成
-    dispatch_async(self.playerQueue, ^{
-      if ([self.delegate respondsToSelector:@selector
-                         (audioStreamPlayerDidFinishSegment:)]) {
-        dispatch_async(dispatch_get_main_queue(), ^{
-          [self.delegate audioStreamPlayerDidFinishSegment:segmentId];
-        });
-      }
-    });
-  }
-}
-
-@end

keyBoard/Class/AiTalk/VM/ConversationOrchestrator.h

@@ -1,88 +0,0 @@
-//
-//  ConversationOrchestrator.h
-//  keyBoard
-//
-//  Created by Mac on 2026/1/15.
-//
-
-#import <Foundation/Foundation.h>
-
-NS_ASSUME_NONNULL_BEGIN
-
-/// 对话状态
-typedef NS_ENUM(NSInteger, ConversationState) {
-  ConversationStateIdle = 0,    // 空闲
-  ConversationStateListening,   // 正在录音
-  ConversationStateRecognizing, // 正在识别（等待 ASR 结果）
-  ConversationStateThinking,    // 正在思考（等待 LLM 回复）
-  ConversationStateSpeaking     // 正在播报 TTS
-};
-
-/// 对话编排器
-/// 核心状态机，串联所有模块，处理打断逻辑
-@interface ConversationOrchestrator : NSObject
-
-/// 当前状态
-@property(nonatomic, assign, readonly) ConversationState state;
-
-/// 当前对话 ID
-@property(nonatomic, copy, readonly, nullable) NSString *conversationId;
-
-#pragma mark - Callbacks
-
-/// 用户最终识别文本回调
-@property(nonatomic, copy, nullable) void (^onUserFinalText)(NSString *text);
-
-/// AI 可见文本回调（打字机效果）
-@property(nonatomic, copy, nullable) void (^onAssistantVisibleText)
-    (NSString *text);
-
-/// AI 完整回复文本回调
-@property(nonatomic, copy, nullable) void (^onAssistantFullText)(NSString *text)
-    ;
-
-/// 实时识别文本回调（部分结果）
-@property(nonatomic, copy, nullable) void (^onPartialText)(NSString *text);
-
-/// 音量更新回调（用于波形 UI）
-@property(nonatomic, copy, nullable) void (^onVolumeUpdate)(float rms);
-
-/// 状态变化回调
-@property(nonatomic, copy, nullable) void (^onStateChange)
-    (ConversationState state);
-
-/// 错误回调
-@property(nonatomic, copy, nullable) void (^onError)(NSError *error);
-
-/// AI 开始说话回调
-@property(nonatomic, copy, nullable) void (^onSpeakingStart)(void);
-
-/// AI 说话结束回调
-@property(nonatomic, copy, nullable) void (^onSpeakingEnd)(void);
-
-#pragma mark - Configuration
-
-/// ASR 服务器 URL
-@property(nonatomic, copy) NSString *asrServerURL;
-
-/// LLM 服务器 URL
-@property(nonatomic, copy) NSString *llmServerURL;
-
-/// TTS 服务器 URL
-@property(nonatomic, copy) NSString *ttsServerURL;
-
-#pragma mark - User Actions
-
-/// 用户按下录音按钮
-/// 如果当前正在播放，会自动打断
-- (void)userDidPressRecord;
-
-/// 用户松开录音按钮
-- (void)userDidReleaseRecord;
-
-/// 手动停止（退出页面等）
-- (void)stop;
-
-@end
-
-NS_ASSUME_NONNULL_END

keyBoard/Class/AiTalk/VM/ConversationOrchestrator.m

@@ -1,532 +0,0 @@
-//
-//  ConversationOrchestrator.m
-//  keyBoard
-//
-//  Created by Mac on 2026/1/15.
-//
-
-#import "ConversationOrchestrator.h"
-#import "ASRStreamClient.h"
-#import "AudioCaptureManager.h"
-#import "AudioSessionManager.h"
-#import "LLMStreamClient.h"
-#import "Segmenter.h"
-#import "SubtitleSync.h"
-#import "TTSPlaybackPipeline.h"
-#import "TTSServiceClient.h"
-
-@interface ConversationOrchestrator () <
-    AudioSessionManagerDelegate, AudioCaptureManagerDelegate,
-    ASRStreamClientDelegate, LLMStreamClientDelegate, TTSServiceClientDelegate,
-    TTSPlaybackPipelineDelegate>
-
-// 模块
-@property(nonatomic, strong) AudioSessionManager *audioSession;
-@property(nonatomic, strong) AudioCaptureManager *audioCapture;
-@property(nonatomic, strong) ASRStreamClient *asrClient;
-@property(nonatomic, strong) LLMStreamClient *llmClient;
-@property(nonatomic, strong) Segmenter *segmenter;
-@property(nonatomic, strong) TTSServiceClient *ttsClient;
-@property(nonatomic, strong) TTSPlaybackPipeline *playbackPipeline;
-@property(nonatomic, strong) SubtitleSync *subtitleSync;
-
-// 状态
-@property(nonatomic, assign) ConversationState state;
-@property(nonatomic, copy) NSString *conversationId;
-@property(nonatomic, copy) NSString *currentSessionId;
-
-// 文本跟踪
-@property(nonatomic, strong) NSMutableString *fullAssistantText;
-@property(nonatomic, strong)
-    NSMutableDictionary<NSString *, NSString *> *segmentTextMap;
-@property(nonatomic, assign) NSInteger segmentCounter;
-
-// 队列
-@property(nonatomic, strong) dispatch_queue_t orchestratorQueue;
-
-@end
-
-@implementation ConversationOrchestrator
-
-#pragma mark - Initialization
-
-- (instancetype)init {
-  self = [super init];
-  if (self) {
-    _orchestratorQueue = dispatch_queue_create(
-        "com.keyboard.aitalk.orchestrator", DISPATCH_QUEUE_SERIAL);
-    _state = ConversationStateIdle;
-    _conversationId = [[NSUUID UUID] UUIDString];
-
-    _fullAssistantText = [[NSMutableString alloc] init];
-    _segmentTextMap = [[NSMutableDictionary alloc] init];
-    _segmentCounter = 0;
-
-    [self setupModules];
-  }
-  return self;
-}
-
-- (void)setupModules {
-  // Audio Session
-  self.audioSession = [AudioSessionManager sharedManager];
-  self.audioSession.delegate = self;
-
-  // Audio Capture
-  self.audioCapture = [[AudioCaptureManager alloc] init];
-  self.audioCapture.delegate = self;
-
-  // ASR Client
-  self.asrClient = [[ASRStreamClient alloc] init];
-  self.asrClient.delegate = self;
-
-  // LLM Client
-  self.llmClient = [[LLMStreamClient alloc] init];
-  self.llmClient.delegate = self;
-
-  // Segmenter
-  self.segmenter = [[Segmenter alloc] init];
-
-  // TTS Client
-  self.ttsClient = [[TTSServiceClient alloc] init];
-  self.ttsClient.delegate = self;
-  // ElevenLabs 配置（通过后端代理）
-  self.ttsClient.voiceId = @"JBFqnCBsd6RMkjVDRZzb"; // 默认语音 George
-  self.ttsClient.languageCode = @"zh";              // 中文
-  self.ttsClient.expectedPayloadType =
-      TTSPayloadTypeURL; // 使用 URL 模式（简单）
-
-  // Playback Pipeline
-  self.playbackPipeline = [[TTSPlaybackPipeline alloc] init];
-  self.playbackPipeline.delegate = self;
-
-  // Subtitle Sync
-  self.subtitleSync = [[SubtitleSync alloc] init];
-}
-
-#pragma mark - Configuration Setters
-
-- (void)setAsrServerURL:(NSString *)asrServerURL {
-  _asrServerURL = [asrServerURL copy];
-  self.asrClient.serverURL = asrServerURL;
-}
-
-- (void)setLlmServerURL:(NSString *)llmServerURL {
-  _llmServerURL = [llmServerURL copy];
-  self.llmClient.serverURL = llmServerURL;
-}
-
-- (void)setTtsServerURL:(NSString *)ttsServerURL {
-  _ttsServerURL = [ttsServerURL copy];
-  self.ttsClient.serverURL = ttsServerURL;
-}
-
-#pragma mark - User Actions
-
-- (void)userDidPressRecord {
-  dispatch_async(self.orchestratorQueue, ^{
-    NSLog(@"[Orchestrator] userDidPressRecord, current state: %ld",
-          (long)self.state);
-
-    // 如果正在播放或思考，执行打断
-    if (self.state == ConversationStateSpeaking ||
-        self.state == ConversationStateThinking) {
-      [self performBargein];
-    }
-
-    // 检查麦克风权限
-    if (![self.audioSession hasMicrophonePermission]) {
-      [self.audioSession requestMicrophonePermission:^(BOOL granted) {
-        if (granted) {
-          dispatch_async(self.orchestratorQueue, ^{
-            [self startRecording];
-          });
-        }
-      }];
-      return;
-    }
-
-    [self startRecording];
-  });
-}
-
-- (void)userDidReleaseRecord {
-  dispatch_async(self.orchestratorQueue, ^{
-    NSLog(@"[Orchestrator] userDidReleaseRecord, current state: %ld",
-          (long)self.state);
-
-    if (self.state != ConversationStateListening) {
-      return;
-    }
-
-    // 停止采集
-    [self.audioCapture stopCapture];
-
-    // 请求 ASR 最终结果
-    [self.asrClient finalize];
-
-    // 更新状态
-    [self updateState:ConversationStateRecognizing];
-  });
-}
-
-- (void)stop {
-  dispatch_async(self.orchestratorQueue, ^{
-    [self cancelAll];
-    [self updateState:ConversationStateIdle];
-  });
-}
-
-#pragma mark - Private: Recording
-
-- (void)startRecording {
-  // 配置音频会话
-  NSError *error = nil;
-  if (![self.audioSession configureForConversation:&error]) {
-    [self reportError:error];
-    return;
-  }
-
-  if (![self.audioSession activateSession:&error]) {
-    [self reportError:error];
-    return;
-  }
-
-  // 生成新的会话 ID
-  self.currentSessionId = [[NSUUID UUID] UUIDString];
-
-  // 启动 ASR
-  [self.asrClient startWithSessionId:self.currentSessionId];
-
-  // 启动音频采集
-  if (![self.audioCapture startCapture:&error]) {
-    [self reportError:error];
-    [self.asrClient cancel];
-    return;
-  }
-
-  // 更新状态
-  [self updateState:ConversationStateListening];
-}
-
-#pragma mark - Private: Barge-in (打断)
-
-- (void)performBargein {
-  NSLog(@"[Orchestrator] Performing barge-in");
-
-  // 取消所有正在进行的请求
-  [self.ttsClient cancel];
-  [self.llmClient cancel];
-  [self.asrClient cancel];
-
-  // 停止播放
-  [self.playbackPipeline stop];
-
-  // 清空状态
-  [self.segmenter reset];
-  [self.segmentTextMap removeAllObjects];
-  [self.fullAssistantText setString:@""];
-  self.segmentCounter = 0;
-}
-
-- (void)cancelAll {
-  [self.audioCapture stopCapture];
-  [self.asrClient cancel];
-  [self.llmClient cancel];
-  [self.ttsClient cancel];
-  [self.playbackPipeline stop];
-  [self.segmenter reset];
-  [self.audioSession deactivateSession];
-}
-
-#pragma mark - Private: State Management
-
-- (void)updateState:(ConversationState)newState {
-  if (self.state == newState)
-    return;
-
-  ConversationState oldState = self.state;
-  self.state = newState;
-
-  NSLog(@"[Orchestrator] State: %ld -> %ld", (long)oldState, (long)newState);
-
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if (self.onStateChange) {
-      self.onStateChange(newState);
-    }
-
-    // 特殊状态回调
-    if (newState == ConversationStateSpeaking &&
-        oldState != ConversationStateSpeaking) {
-      if (self.onSpeakingStart) {
-        self.onSpeakingStart();
-      }
-    }
-
-    if (oldState == ConversationStateSpeaking &&
-        newState != ConversationStateSpeaking) {
-      if (self.onSpeakingEnd) {
-        self.onSpeakingEnd();
-      }
-    }
-  });
-}
-
-- (void)reportError:(NSError *)error {
-  NSLog(@"[Orchestrator] Error: %@", error.localizedDescription);
-
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if (self.onError) {
-      self.onError(error);
-    }
-  });
-}
-
-#pragma mark - AudioCaptureManagerDelegate
-
-- (void)audioCaptureManagerDidOutputPCMFrame:(NSData *)pcmFrame {
-  // 发送到 ASR
-  [self.asrClient sendAudioPCMFrame:pcmFrame];
-}
-
-- (void)audioCaptureManagerDidUpdateRMS:(float)rms {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if (self.onVolumeUpdate) {
-      self.onVolumeUpdate(rms);
-    }
-  });
-}
-
-#pragma mark - AudioSessionManagerDelegate
-
-- (void)audioSessionManagerDidInterrupt:(KBAudioSessionInterruptionType)type {
-  dispatch_async(self.orchestratorQueue, ^{
-    if (type == KBAudioSessionInterruptionTypeBegan) {
-      // 中断开始：停止采集和播放
-      [self cancelAll];
-      [self updateState:ConversationStateIdle];
-    }
-  });
-}
-
-- (void)audioSessionManagerMicrophonePermissionDenied {
-  NSError *error =
-      [NSError errorWithDomain:@"ConversationOrchestrator"
-                          code:-1
-                      userInfo:@{
-                        NSLocalizedDescriptionKey : @"请在设置中开启麦克风权限"
-                      }];
-  [self reportError:error];
-}
-
-#pragma mark - ASRStreamClientDelegate
-
-- (void)asrClientDidReceivePartialText:(NSString *)text {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if (self.onPartialText) {
-      self.onPartialText(text);
-    }
-  });
-}
-
-- (void)asrClientDidReceiveFinalText:(NSString *)text {
-  dispatch_async(self.orchestratorQueue, ^{
-    NSLog(@"[Orchestrator] ASR final text: %@", text);
-
-    // 回调用户文本
-    dispatch_async(dispatch_get_main_queue(), ^{
-      if (self.onUserFinalText) {
-        self.onUserFinalText(text);
-      }
-    });
-
-    // 如果文本为空，回到空闲
-    if (text.length == 0) {
-      [self updateState:ConversationStateIdle];
-      return;
-    }
-
-    // 更新状态并开始 LLM 请求
-    [self updateState:ConversationStateThinking];
-
-    // 重置文本跟踪
-    [self.fullAssistantText setString:@""];
-    [self.segmentTextMap removeAllObjects];
-    self.segmentCounter = 0;
-    [self.segmenter reset];
-
-    // 启动播放管线
-    NSError *error = nil;
-    if (![self.playbackPipeline start:&error]) {
-      NSLog(@"[Orchestrator] Failed to start playback pipeline: %@",
-            error.localizedDescription);
-    }
-
-    // 发送 LLM 请求
-    [self.llmClient sendUserText:text conversationId:self.conversationId];
-  });
-}
-
-- (void)asrClientDidFail:(NSError *)error {
-  dispatch_async(self.orchestratorQueue, ^{
-    [self reportError:error];
-    [self updateState:ConversationStateIdle];
-  });
-}
-
-#pragma mark - LLMStreamClientDelegate
-
-- (void)llmClientDidReceiveToken:(NSString *)token {
-  dispatch_async(self.orchestratorQueue, ^{
-    // 追加到完整文本
-    [self.fullAssistantText appendString:token];
-
-    // 追加到分段器
-    [self.segmenter appendToken:token];
-
-    // 检查是否有可触发 TTS 的片段
-    NSArray<NSString *> *segments = [self.segmenter popReadySegments];
-    for (NSString *segmentText in segments) {
-      [self requestTTSForSegment:segmentText];
-    }
-  });
-}
-
-- (void)llmClientDidComplete {
-  dispatch_async(self.orchestratorQueue, ^{
-    NSLog(@"[Orchestrator] LLM complete");
-
-    // 处理剩余片段
-    NSString *remaining = [self.segmenter flushRemainingSegment];
-    if (remaining && remaining.length > 0) {
-      [self requestTTSForSegment:remaining];
-    }
-
-    // 回调完整文本
-    NSString *fullText = [self.fullAssistantText copy];
-    dispatch_async(dispatch_get_main_queue(), ^{
-      if (self.onAssistantFullText) {
-        self.onAssistantFullText(fullText);
-      }
-    });
-  });
-}
-
-- (void)llmClientDidFail:(NSError *)error {
-  dispatch_async(self.orchestratorQueue, ^{
-    [self reportError:error];
-    [self updateState:ConversationStateIdle];
-  });
-}
-
-#pragma mark - Private: TTS Request
-
-- (void)requestTTSForSegment:(NSString *)segmentText {
-  NSString *segmentId =
-      [NSString stringWithFormat:@"seg_%ld", (long)self.segmentCounter++];
-
-  // 记录片段文本
-  self.segmentTextMap[segmentId] = segmentText;
-
-  NSLog(@"[Orchestrator] Requesting TTS for segment %@: %@", segmentId,
-        segmentText);
-
-  // 请求 TTS
-  [self.ttsClient requestTTSForText:segmentText segmentId:segmentId];
-}
-
-#pragma mark - TTSServiceClientDelegate
-
-- (void)ttsClientDidReceiveURL:(NSURL *)url segmentId:(NSString *)segmentId {
-  dispatch_async(self.orchestratorQueue, ^{
-    [self.playbackPipeline enqueueURL:url segmentId:segmentId];
-
-    // 如果还在 Thinking，切换到 Speaking
-    if (self.state == ConversationStateThinking) {
-      [self updateState:ConversationStateSpeaking];
-    }
-  });
-}
-
-- (void)ttsClientDidReceiveAudioChunk:(NSData *)chunk
-                          payloadType:(TTSPayloadType)type
-                            segmentId:(NSString *)segmentId {
-  dispatch_async(self.orchestratorQueue, ^{
-    [self.playbackPipeline enqueueChunk:chunk
-                            payloadType:type
-                              segmentId:segmentId];
-
-    // 如果还在 Thinking，切换到 Speaking
-    if (self.state == ConversationStateThinking) {
-      [self updateState:ConversationStateSpeaking];
-    }
-  });
-}
-
-- (void)ttsClientDidFinishSegment:(NSString *)segmentId {
-  dispatch_async(self.orchestratorQueue, ^{
-    [self.playbackPipeline markSegmentComplete:segmentId];
-  });
-}
-
-- (void)ttsClientDidFail:(NSError *)error {
-  dispatch_async(self.orchestratorQueue, ^{
-    [self reportError:error];
-  });
-}
-
-#pragma mark - TTSPlaybackPipelineDelegate
-
-- (void)pipelineDidStartSegment:(NSString *)segmentId
-                       duration:(NSTimeInterval)duration {
-  NSLog(@"[Orchestrator] Started playing segment: %@", segmentId);
-}
-
-- (void)pipelineDidUpdatePlaybackTime:(NSTimeInterval)time
-                            segmentId:(NSString *)segmentId {
-  dispatch_async(self.orchestratorQueue, ^{
-    // 获取片段文本
-    NSString *segmentText = self.segmentTextMap[segmentId];
-    if (!segmentText)
-      return;
-
-    // 计算可见文本
-    NSTimeInterval duration =
-        [self.playbackPipeline durationForSegment:segmentId];
-    NSString *visibleText =
-        [self.subtitleSync visibleTextForFullText:segmentText
-                                      currentTime:time
-                                         duration:duration];
-
-    // TODO: 这里应该累加之前片段的文本，实现完整的打字机效果
-    // 简化实现：只显示当前片段
-    dispatch_async(dispatch_get_main_queue(), ^{
-      if (self.onAssistantVisibleText) {
-        self.onAssistantVisibleText(visibleText);
-      }
-    });
-  });
-}
-
-- (void)pipelineDidFinishSegment:(NSString *)segmentId {
-  NSLog(@"[Orchestrator] Finished playing segment: %@", segmentId);
-}
-
-- (void)pipelineDidFinishAllSegments {
-  dispatch_async(self.orchestratorQueue, ^{
-    NSLog(@"[Orchestrator] All segments finished");
-
-    // 回到空闲状态
-    [self updateState:ConversationStateIdle];
-    [self.audioSession deactivateSession];
-  });
-}
-
-- (void)pipelineDidFail:(NSError *)error {
-  dispatch_async(self.orchestratorQueue, ^{
-    [self reportError:error];
-    [self updateState:ConversationStateIdle];
-  });
-}
-
-@end

keyBoard/Class/AiTalk/VM/LLMStreamClient.h

@@ -1,48 +0,0 @@
-//
-//  LLMStreamClient.h
-//  keyBoard
-//
-//  Created by Mac on 2026/1/15.
-//
-
-#import <Foundation/Foundation.h>
-
-NS_ASSUME_NONNULL_BEGIN
-
-/// LLM 流式生成客户端代理
-@protocol LLMStreamClientDelegate <NSObject>
-@required
-/// 收到新的 token
-- (void)llmClientDidReceiveToken:(NSString *)token;
-/// 生成完成
-- (void)llmClientDidComplete;
-/// 生成失败
-- (void)llmClientDidFail:(NSError *)error;
-@end
-
-/// LLM 流式生成客户端
-/// 支持 SSE（Server-Sent Events）或 WebSocket 接收 token 流
-@interface LLMStreamClient : NSObject
-
-@property(nonatomic, weak) id<LLMStreamClientDelegate> delegate;
-
-/// LLM 服务器 URL
-@property(nonatomic, copy) NSString *serverURL;
-
-/// API Key（如需要）
-@property(nonatomic, copy, nullable) NSString *apiKey;
-
-/// 是否正在生成
-@property(nonatomic, assign, readonly, getter=isGenerating) BOOL generating;
-
-/// 发送用户文本请求 LLM 回复
-/// @param text 用户输入的文本
-/// @param conversationId 对话 ID
-- (void)sendUserText:(NSString *)text conversationId:(NSString *)conversationId;
-
-/// 取消当前请求
-- (void)cancel;
-
-@end
-
-NS_ASSUME_NONNULL_END

keyBoard/Class/AiTalk/VM/LLMStreamClient.m

@@ -1,244 +0,0 @@
-//
-//  LLMStreamClient.m
-//  keyBoard
-//
-//  Created by Mac on 2026/1/15.
-//
-
-#import "LLMStreamClient.h"
-
-@interface LLMStreamClient () <NSURLSessionDataDelegate>
-
-@property(nonatomic, strong) NSURLSession *urlSession;
-@property(nonatomic, strong) NSURLSessionDataTask *dataTask;
-@property(nonatomic, strong) dispatch_queue_t networkQueue;
-@property(nonatomic, assign) BOOL generating;
-@property(nonatomic, strong) NSMutableString *buffer; // SSE 数据缓冲
-
-@end
-
-@implementation LLMStreamClient
-
-- (instancetype)init {
-  self = [super init];
-  if (self) {
-    _networkQueue = dispatch_queue_create("com.keyboard.aitalk.llm.network",
-                                          DISPATCH_QUEUE_SERIAL);
-    _buffer = [[NSMutableString alloc] init];
-    // TODO: 替换为实际的 LLM 服务器地址
-    _serverURL = @"https://your-llm-server.com/api/chat/stream";
-  }
-  return self;
-}
-
-- (void)dealloc {
-  [self cancel];
-}
-
-#pragma mark - Public Methods
-
-- (void)sendUserText:(NSString *)text
-      conversationId:(NSString *)conversationId {
-  dispatch_async(self.networkQueue, ^{
-    [self cancelInternal];
-
-    self.generating = YES;
-    [self.buffer setString:@""];
-
-    // 创建请求
-    NSURL *url = [NSURL URLWithString:self.serverURL];
-    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
-    request.HTTPMethod = @"POST";
-    [request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
-    [request setValue:@"text/event-stream" forHTTPHeaderField:@"Accept"];
-
-    if (self.apiKey) {
-      [request setValue:[NSString stringWithFormat:@"Bearer %@", self.apiKey]
-          forHTTPHeaderField:@"Authorization"];
-    }
-
-    // 请求体
-    NSDictionary *body = @{
-      @"message" : text,
-      @"conversationId" : conversationId,
-      @"stream" : @YES
-    };
-
-    NSError *jsonError = nil;
-    NSData *jsonData = [NSJSONSerialization dataWithJSONObject:body
-                                                       options:0
-                                                         error:&jsonError];
-    if (jsonError) {
-      [self reportError:jsonError];
-      return;
-    }
-    request.HTTPBody = jsonData;
-
-    // 创建会话
-    NSURLSessionConfiguration *config =
-        [NSURLSessionConfiguration defaultSessionConfiguration];
-    config.timeoutIntervalForRequest = 60;
-    config.timeoutIntervalForResource = 300;
-
-    self.urlSession = [NSURLSession sessionWithConfiguration:config
-                                                    delegate:self
-                                               delegateQueue:nil];
-
-    self.dataTask = [self.urlSession dataTaskWithRequest:request];
-    [self.dataTask resume];
-
-    NSLog(@"[LLMStreamClient] Started request for conversation: %@",
-          conversationId);
-  });
-}
-
-- (void)cancel {
-  dispatch_async(self.networkQueue, ^{
-    [self cancelInternal];
-  });
-}
-
-#pragma mark - Private Methods
-
-- (void)cancelInternal {
-  self.generating = NO;
-
-  if (self.dataTask) {
-    [self.dataTask cancel];
-    self.dataTask = nil;
-  }
-
-  if (self.urlSession) {
-    [self.urlSession invalidateAndCancel];
-    self.urlSession = nil;
-  }
-
-  [self.buffer setString:@""];
-}
-
-- (void)reportError:(NSError *)error {
-  self.generating = NO;
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector(llmClientDidFail:)]) {
-      [self.delegate llmClientDidFail:error];
-    }
-  });
-}
-
-- (void)reportComplete {
-  self.generating = NO;
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector(llmClientDidComplete)]) {
-      [self.delegate llmClientDidComplete];
-    }
-  });
-}
-
-- (void)reportToken:(NSString *)token {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate
-            respondsToSelector:@selector(llmClientDidReceiveToken:)]) {
-      [self.delegate llmClientDidReceiveToken:token];
-    }
-  });
-}
-
-#pragma mark - SSE Parsing
-
-- (void)parseSSEData:(NSData *)data {
-  NSString *string = [[NSString alloc] initWithData:data
-                                           encoding:NSUTF8StringEncoding];
-  if (!string)
-    return;
-
-  [self.buffer appendString:string];
-
-  // SSE 格式：每个事件以 \n\n 分隔
-  NSArray *events = [self.buffer componentsSeparatedByString:@"\n\n"];
-
-  // 保留最后一个可能不完整的事件
-  if (events.count > 1) {
-    [self.buffer setString:events.lastObject];
-
-    for (NSUInteger i = 0; i < events.count - 1; i++) {
-      [self handleSSEEvent:events[i]];
-    }
-  }
-}
-
-- (void)handleSSEEvent:(NSString *)event {
-  if (event.length == 0)
-    return;
-
-  // 解析 SSE 事件
-  // 格式: data: {...}
-  NSArray *lines = [event componentsSeparatedByString:@"\n"];
-
-  for (NSString *line in lines) {
-    if ([line hasPrefix:@"data: "]) {
-      NSString *dataString = [line substringFromIndex:6];
-
-      // 检查是否是结束标志
-      if ([dataString isEqualToString:@"[DONE]"]) {
-        [self reportComplete];
-        return;
-      }
-
-      // 解析 JSON
-      NSData *jsonData = [dataString dataUsingEncoding:NSUTF8StringEncoding];
-      NSError *jsonError = nil;
-      NSDictionary *json = [NSJSONSerialization JSONObjectWithData:jsonData
-                                                           options:0
-                                                             error:&jsonError];
-
-      if (jsonError) {
-        NSLog(@"[LLMStreamClient] Failed to parse SSE data: %@", dataString);
-        continue;
-      }
-
-      // 提取 token（根据实际 API 格式调整）
-      // 常见格式: {"token": "..."} 或 {"choices": [{"delta": {"content":
-      // "..."}}]}
-      NSString *token = json[@"token"];
-      if (!token) {
-        // OpenAI 格式
-        NSArray *choices = json[@"choices"];
-        if (choices.count > 0) {
-          NSDictionary *delta = choices[0][@"delta"];
-          token = delta[@"content"];
-        }
-      }
-
-      if (token && token.length > 0) {
-        [self reportToken:token];
-      }
-    }
-  }
-}
-
-#pragma mark - NSURLSessionDataDelegate
-
-- (void)URLSession:(NSURLSession *)session
-          dataTask:(NSURLSessionDataTask *)dataTask
-    didReceiveData:(NSData *)data {
-  [self parseSSEData:data];
-}
-
-- (void)URLSession:(NSURLSession *)session
-                    task:(NSURLSessionTask *)task
-    didCompleteWithError:(NSError *)error {
-  if (error) {
-    if (error.code != NSURLErrorCancelled) {
-      [self reportError:error];
-    }
-  } else {
-    // 处理缓冲区中剩余的数据
-    if (self.buffer.length > 0) {
-      [self handleSSEEvent:self.buffer];
-      [self.buffer setString:@""];
-    }
-    [self reportComplete];
-  }
-}
-
-@end

keyBoard/Class/AiTalk/VM/Segmenter.h

@@ -1,37 +0,0 @@
-//
-//  Segmenter.h
-//  keyBoard
-//
-//  Created by Mac on 2026/1/15.
-//
-
-#import <Foundation/Foundation.h>
-
-NS_ASSUME_NONNULL_BEGIN
-
-/// 句子切分器
-/// 将 LLM 输出的 token 流切分成可触发 TTS 的句子片段
-@interface Segmenter : NSObject
-
-/// 累积字符数阈值（超过此值强制切分）
-/// 默认：30
-@property(nonatomic, assign) NSUInteger maxCharacterThreshold;
-
-/// 追加 token
-/// @param token LLM 输出的 token
-- (void)appendToken:(NSString *)token;
-
-/// 获取并移除已准备好的片段
-/// @return 可立即进行 TTS 的片段数组
-- (NSArray<NSString *> *)popReadySegments;
-
-/// 获取剩余的未完成片段（用于最后 flush）
-/// @return 剩余片段，可能为空
-- (NSString *)flushRemainingSegment;
-
-/// 重置状态
-- (void)reset;
-
-@end
-
-NS_ASSUME_NONNULL_END

keyBoard/Class/AiTalk/VM/Segmenter.m

@@ -1,148 +0,0 @@
-//
-//  Segmenter.m
-//  keyBoard
-//
-//  Created by Mac on 2026/1/15.
-//
-
-#import "Segmenter.h"
-
-@interface Segmenter ()
-
-@property(nonatomic, strong) NSMutableString *buffer;
-@property(nonatomic, strong) NSMutableArray<NSString *> *readySegments;
-
-@end
-
-@implementation Segmenter
-
-- (instancetype)init {
-  self = [super init];
-  if (self) {
-    _buffer = [[NSMutableString alloc] init];
-    _readySegments = [[NSMutableArray alloc] init];
-    _maxCharacterThreshold = 30;
-  }
-  return self;
-}
-
-#pragma mark - Public Methods
-
-- (void)appendToken:(NSString *)token {
-  if (!token || token.length == 0) {
-    return;
-  }
-
-  [self.buffer appendString:token];
-
-  // 检查是否需要切分
-  [self checkAndSplit];
-}
-
-- (NSArray<NSString *> *)popReadySegments {
-  NSArray *segments = [self.readySegments copy];
-  [self.readySegments removeAllObjects];
-  return segments;
-}
-
-- (NSString *)flushRemainingSegment {
-  NSString *remaining = [self.buffer copy];
-  [self.buffer setString:@""];
-
-  // 去除首尾空白
-  remaining = [remaining
-      stringByTrimmingCharactersInSet:[NSCharacterSet
-                                          whitespaceAndNewlineCharacterSet]];
-
-  return remaining.length > 0 ? remaining : nil;
-}
-
-- (void)reset {
-  [self.buffer setString:@""];
-  [self.readySegments removeAllObjects];
-}
-
-#pragma mark - Private Methods
-
-- (void)checkAndSplit {
-  // 句子结束标点
-  NSCharacterSet *sentenceEnders =
-      [NSCharacterSet characterSetWithCharactersInString:@"。！？\n"];
-
-  while (YES) {
-    NSString *currentBuffer = self.buffer;
-
-    // 查找第一个句子结束标点
-    NSRange range = [currentBuffer rangeOfCharacterFromSet:sentenceEnders];
-
-    if (range.location != NSNotFound) {
-      // 找到结束标点，切分
-      NSUInteger endIndex = range.location + 1;
-      NSString *segment = [currentBuffer substringToIndex:endIndex];
-      segment = [segment stringByTrimmingCharactersInSet:
-                             [NSCharacterSet whitespaceAndNewlineCharacterSet]];
-
-      if (segment.length > 0) {
-        [self.readySegments addObject:segment];
-      }
-
-      // 移除已切分的部分
-      [self.buffer deleteCharactersInRange:NSMakeRange(0, endIndex)];
-    } else if (currentBuffer.length >= self.maxCharacterThreshold) {
-      // 未找到标点，但超过阈值，强制切分
-      // 尝试在空格或逗号处切分
-      NSRange breakRange = [self findBestBreakPoint:currentBuffer];
-
-      if (breakRange.location != NSNotFound) {
-        NSString *segment =
-            [currentBuffer substringToIndex:breakRange.location + 1];
-        segment =
-            [segment stringByTrimmingCharactersInSet:
-                         [NSCharacterSet whitespaceAndNewlineCharacterSet]];
-
-        if (segment.length > 0) {
-          [self.readySegments addObject:segment];
-        }
-
-        [self.buffer
-            deleteCharactersInRange:NSMakeRange(0, breakRange.location + 1)];
-      } else {
-        // 无法找到合适的断点，直接切分
-        NSString *segment =
-            [currentBuffer substringToIndex:self.maxCharacterThreshold];
-        segment =
-            [segment stringByTrimmingCharactersInSet:
-                         [NSCharacterSet whitespaceAndNewlineCharacterSet]];
-
-        if (segment.length > 0) {
-          [self.readySegments addObject:segment];
-        }
-
-        [self.buffer
-            deleteCharactersInRange:NSMakeRange(0, self.maxCharacterThreshold)];
-      }
-    } else {
-      // 未达到切分条件
-      break;
-    }
-  }
-}
-
-- (NSRange)findBestBreakPoint:(NSString *)text {
-  // 优先在逗号、分号等处断开
-  NSCharacterSet *breakChars =
-      [NSCharacterSet characterSetWithCharactersInString:@"，,、；;：: "];
-
-  // 从后往前查找，尽可能多包含内容
-  for (NSInteger i = text.length - 1; i >= self.maxCharacterThreshold / 2;
-       i--) {
-    unichar c = [text characterAtIndex:i];
-    if ([breakChars characterIsMember:c]) {
-      return NSMakeRange(i, 1);
-    }
-  }
-
-  return NSMakeRange(NSNotFound, 0);
-}
-
-@end

keyBoard/Class/AiTalk/VM/SubtitleSync.h

@@ -1,36 +0,0 @@
-//
-//  SubtitleSync.h
-//  keyBoard
-//
-//  Created by Mac on 2026/1/15.
-//
-
-#import <Foundation/Foundation.h>
-
-NS_ASSUME_NONNULL_BEGIN
-
-/// 字幕同步器
-/// 根据播放进度映射文字显示，实现打字机效果
-@interface SubtitleSync : NSObject
-
-/// 获取当前应显示的文本
-/// @param fullText 完整文本
-/// @param currentTime 当前播放时间（秒）
-/// @param duration 总时长（秒）
-/// @return 应显示的部分文本（打字机效果）
-- (NSString *)visibleTextForFullText:(NSString *)fullText
-                         currentTime:(NSTimeInterval)currentTime
-                            duration:(NSTimeInterval)duration;
-
-/// 获取可见字符数
-/// @param fullText 完整文本
-/// @param currentTime 当前播放时间（秒）
-/// @param duration 总时长（秒）
-/// @return 应显示的字符数
-- (NSUInteger)visibleCountForFullText:(NSString *)fullText
-                          currentTime:(NSTimeInterval)currentTime
-                             duration:(NSTimeInterval)duration;
-
-@end
-
-NS_ASSUME_NONNULL_END

keyBoard/Class/AiTalk/VM/SubtitleSync.m

@@ -1,66 +0,0 @@
-//
-//  SubtitleSync.m
-//  keyBoard
-//
-//  Created by Mac on 2026/1/15.
-//
-
-#import "SubtitleSync.h"
-
-@implementation SubtitleSync
-
-- (NSString *)visibleTextForFullText:(NSString *)fullText
-                         currentTime:(NSTimeInterval)currentTime
-                            duration:(NSTimeInterval)duration {
-
-  if (!fullText || fullText.length == 0) {
-    return @"";
-  }
-
-  NSUInteger visibleCount = [self visibleCountForFullText:fullText
-                                              currentTime:currentTime
-                                                 duration:duration];
-
-  if (visibleCount >= fullText.length) {
-    return fullText;
-  }
-
-  return [fullText substringToIndex:visibleCount];
-}
-
-- (NSUInteger)visibleCountForFullText:(NSString *)fullText
-                          currentTime:(NSTimeInterval)currentTime
-                             duration:(NSTimeInterval)duration {
-
-  if (!fullText || fullText.length == 0) {
-    return 0;
-  }
-
-  // 边界情况处理
-  if (duration <= 0) {
-    // 如果没有时长信息，直接返回全部
-    return fullText.length;
-  }
-
-  if (currentTime <= 0) {
-    return 0;
-  }
-
-  if (currentTime >= duration) {
-    return fullText.length;
-  }
-
-  // 计算进度比例
-  double progress = currentTime / duration;
-
-  // 计算可见字符数
-  // 使用略微超前的策略，确保文字不会落后于语音
-  double adjustedProgress = MIN(progress * 1.05, 1.0);
-
-  NSUInteger visibleCount =
-      (NSUInteger)round(fullText.length * adjustedProgress);
-
-  return MIN(visibleCount, fullText.length);
-}
-
-@end

keyBoard/Class/AiTalk/VM/TTSPlaybackPipeline.h

@@ -1,79 +0,0 @@
-//
-//  TTSPlaybackPipeline.h
-//  keyBoard
-//
-//  Created by Mac on 2026/1/15.
-//
-
-#import "TTSServiceClient.h"
-#import <Foundation/Foundation.h>
-
-NS_ASSUME_NONNULL_BEGIN
-
-/// 播放管线代理
-@protocol TTSPlaybackPipelineDelegate <NSObject>
-@optional
-/// 开始播放片段
-- (void)pipelineDidStartSegment:(NSString *)segmentId
-                       duration:(NSTimeInterval)duration;
-/// 播放时间更新
-- (void)pipelineDidUpdatePlaybackTime:(NSTimeInterval)time
-                            segmentId:(NSString *)segmentId;
-/// 片段播放完成
-- (void)pipelineDidFinishSegment:(NSString *)segmentId;
-/// 所有片段播放完成
-- (void)pipelineDidFinishAllSegments;
-/// 播放出错
-- (void)pipelineDidFail:(NSError *)error;
-@end
-
-/// TTS 播放管线
-/// 根据 payloadType 路由到对应播放器
-@interface TTSPlaybackPipeline : NSObject
-
-@property(nonatomic, weak) id<TTSPlaybackPipelineDelegate> delegate;
-
-/// 是否正在播放
-@property(nonatomic, assign, readonly, getter=isPlaying) BOOL playing;
-
-/// 当前播放的片段 ID
-@property(nonatomic, copy, readonly, nullable) NSString *currentSegmentId;
-
-/// 启动管线
-/// @param error 错误信息
-/// @return 是否启动成功
-- (BOOL)start:(NSError **)error;
-
-/// 停止管线（立即停止，用于打断）
-- (void)stop;
-
-/// 入队 URL 播放
-/// @param url 音频 URL
-/// @param segmentId 片段 ID
-- (void)enqueueURL:(NSURL *)url segmentId:(NSString *)segmentId;
-
-/// 入队音频数据块
-/// @param chunk 音频数据
-/// @param type 数据类型
-/// @param segmentId 片段 ID
-- (void)enqueueChunk:(NSData *)chunk
-         payloadType:(TTSPayloadType)type
-           segmentId:(NSString *)segmentId;
-
-/// 标记片段数据完成（用于流式模式）
-/// @param segmentId 片段 ID
-- (void)markSegmentComplete:(NSString *)segmentId;
-
-/// 获取片段的当前播放时间
-/// @param segmentId 片段 ID
-/// @return 当前时间（秒），如果未在播放则返回 0
-- (NSTimeInterval)currentTimeForSegment:(NSString *)segmentId;
-
-/// 获取片段的总时长
-/// @param segmentId 片段 ID
-/// @return 总时长（秒）
-- (NSTimeInterval)durationForSegment:(NSString *)segmentId;
-
-@end
-
-NS_ASSUME_NONNULL_END

keyBoard/Class/AiTalk/VM/TTSPlaybackPipeline.m

@@ -1,343 +0,0 @@
-//
-//  TTSPlaybackPipeline.m
-//  keyBoard
-//
-//  Created by Mac on 2026/1/15.
-//
-
-#import "TTSPlaybackPipeline.h"
-#import "AudioStreamPlayer.h"
-#import <AVFoundation/AVFoundation.h>
-
-@interface TTSPlaybackPipeline () <AudioStreamPlayerDelegate>
-
-// 播放器
-@property(nonatomic, strong) AVPlayer *urlPlayer;
-@property(nonatomic, strong) AudioStreamPlayer *streamPlayer;
-
-// 片段队列
-@property(nonatomic, strong) NSMutableArray<NSDictionary *> *segmentQueue;
-@property(nonatomic, strong)
-    NSMutableDictionary<NSString *, NSNumber *> *segmentDurations;
-
-// 状态
-@property(nonatomic, assign) BOOL playing;
-@property(nonatomic, copy) NSString *currentSegmentId;
-@property(nonatomic, strong) id playerTimeObserver;
-
-// 队列
-@property(nonatomic, strong) dispatch_queue_t playbackQueue;
-
-@end
-
-@implementation TTSPlaybackPipeline
-
-- (instancetype)init {
-  self = [super init];
-  if (self) {
-    _segmentQueue = [[NSMutableArray alloc] init];
-    _segmentDurations = [[NSMutableDictionary alloc] init];
-    _playbackQueue = dispatch_queue_create("com.keyboard.aitalk.playback",
-                                           DISPATCH_QUEUE_SERIAL);
-  }
-  return self;
-}
-
-- (void)dealloc {
-  [self stop];
-}
-
-#pragma mark - Public Methods
-
-- (BOOL)start:(NSError **)error {
-  // 初始化 stream player
-  if (!self.streamPlayer) {
-    self.streamPlayer = [[AudioStreamPlayer alloc] init];
-    self.streamPlayer.delegate = self;
-  }
-
-  return [self.streamPlayer start:error];
-}
-
-- (void)stop {
-  dispatch_async(self.playbackQueue, ^{
-    // 停止 URL 播放
-    if (self.urlPlayer) {
-      [self.urlPlayer pause];
-      if (self.playerTimeObserver) {
-        [self.urlPlayer removeTimeObserver:self.playerTimeObserver];
-        self.playerTimeObserver = nil;
-      }
-      self.urlPlayer = nil;
-    }
-
-    // 停止流式播放
-    [self.streamPlayer stop];
-
-    // 清空队列
-    [self.segmentQueue removeAllObjects];
-    [self.segmentDurations removeAllObjects];
-
-    self.playing = NO;
-    self.currentSegmentId = nil;
-  });
-}
-
-- (void)enqueueURL:(NSURL *)url segmentId:(NSString *)segmentId {
-  if (!url || !segmentId)
-    return;
-
-  dispatch_async(self.playbackQueue, ^{
-    NSDictionary *segment = @{
-      @"type" : @(TTSPayloadTypeURL),
-      @"url" : url,
-      @"segmentId" : segmentId
-    };
-    [self.segmentQueue addObject:segment];
-
-    // 如果当前没有在播放，开始播放
-    if (!self.playing) {
-      [self playNextSegment];
-    }
-  });
-}
-
-- (void)enqueueChunk:(NSData *)chunk
-         payloadType:(TTSPayloadType)type
-           segmentId:(NSString *)segmentId {
-  if (!chunk || !segmentId)
-    return;
-
-  dispatch_async(self.playbackQueue, ^{
-    switch (type) {
-    case TTSPayloadTypePCMChunk:
-      // 直接喂给 stream player
-      [self.streamPlayer enqueuePCMChunk:chunk
-                              sampleRate:16000
-                                channels:1
-                               segmentId:segmentId];
-
-      if (!self.playing) {
-        self.playing = YES;
-        self.currentSegmentId = segmentId;
-
-        dispatch_async(dispatch_get_main_queue(), ^{
-          if ([self.delegate respondsToSelector:@selector
-                             (pipelineDidStartSegment:duration:)]) {
-            [self.delegate pipelineDidStartSegment:segmentId duration:0];
-          }
-        });
-      }
-      break;
-
-    case TTSPayloadTypeAACChunk:
-      // TODO: AAC 解码 -> PCM -> streamPlayer
-      NSLog(@"[TTSPlaybackPipeline] AAC chunk decoding not implemented yet");
-      break;
-
-    case TTSPayloadTypeOpusChunk:
-      // TODO: Opus 解码 -> PCM -> streamPlayer
-      NSLog(@"[TTSPlaybackPipeline] Opus chunk decoding not implemented yet");
-      break;
-
-    default:
-      break;
-    }
-  });
-}
-
-- (void)markSegmentComplete:(NSString *)segmentId {
-  // Stream player 会自动处理播放完成
-}
-
-- (NSTimeInterval)currentTimeForSegment:(NSString *)segmentId {
-  if (![segmentId isEqualToString:self.currentSegmentId]) {
-    return 0;
-  }
-
-  if (self.urlPlayer) {
-    return CMTimeGetSeconds(self.urlPlayer.currentTime);
-  }
-
-  return [self.streamPlayer playbackTimeForSegment:segmentId];
-}
-
-- (NSTimeInterval)durationForSegment:(NSString *)segmentId {
-  NSNumber *duration = self.segmentDurations[segmentId];
-  if (duration) {
-    return duration.doubleValue;
-  }
-
-  if (self.urlPlayer && [segmentId isEqualToString:self.currentSegmentId]) {
-    CMTime duration = self.urlPlayer.currentItem.duration;
-    if (CMTIME_IS_VALID(duration)) {
-      return CMTimeGetSeconds(duration);
-    }
-  }
-
-  return [self.streamPlayer durationForSegment:segmentId];
-}
-
-#pragma mark - Private Methods
-
-- (void)playNextSegment {
-  if (self.segmentQueue.count == 0) {
-    self.playing = NO;
-    self.currentSegmentId = nil;
-
-    dispatch_async(dispatch_get_main_queue(), ^{
-      if ([self.delegate
-              respondsToSelector:@selector(pipelineDidFinishAllSegments)]) {
-        [self.delegate pipelineDidFinishAllSegments];
-      }
-    });
-    return;
-  }
-
-  NSDictionary *segment = self.segmentQueue.firstObject;
-  [self.segmentQueue removeObjectAtIndex:0];
-
-  TTSPayloadType type = [segment[@"type"] integerValue];
-  NSString *segmentId = segment[@"segmentId"];
-
-  self.playing = YES;
-  self.currentSegmentId = segmentId;
-
-  if (type == TTSPayloadTypeURL) {
-    NSURL *url = segment[@"url"];
-    [self playURL:url segmentId:segmentId];
-  }
-}
-
-- (void)playURL:(NSURL *)url segmentId:(NSString *)segmentId {
-  AVPlayerItem *item = [AVPlayerItem playerItemWithURL:url];
-
-  if (!self.urlPlayer) {
-    self.urlPlayer = [AVPlayer playerWithPlayerItem:item];
-  } else {
-    [self.urlPlayer replaceCurrentItemWithPlayerItem:item];
-  }
-
-  // 监听播放完成
-  [[NSNotificationCenter defaultCenter]
-      addObserver:self
-         selector:@selector(playerItemDidFinish:)
-             name:AVPlayerItemDidPlayToEndTimeNotification
-           object:item];
-
-  // 添加时间观察器
-  __weak typeof(self) weakSelf = self;
-  self.playerTimeObserver = [self.urlPlayer
-      addPeriodicTimeObserverForInterval:CMTimeMake(1, 30)
-                                   queue:dispatch_get_main_queue()
-                              usingBlock:^(CMTime time) {
-                                __strong typeof(weakSelf) strongSelf = weakSelf;
-                                if (!strongSelf)
-                                  return;
-
-                                NSTimeInterval currentTime =
-                                    CMTimeGetSeconds(time);
-                                if ([strongSelf.delegate
-                                        respondsToSelector:@selector
-                                        (pipelineDidUpdatePlaybackTime:
-                                                             segmentId:)]) {
-                                  [strongSelf.delegate
-                                      pipelineDidUpdatePlaybackTime:currentTime
-                                                          segmentId:segmentId];
-                                }
-                              }];
-
-  // 等待资源加载后获取时长并开始播放
-  [item.asset
-      loadValuesAsynchronouslyForKeys:@[ @"duration" ]
-                    completionHandler:^{
-                      dispatch_async(dispatch_get_main_queue(), ^{
-                        NSTimeInterval duration =
-                            CMTimeGetSeconds(item.duration);
-                        if (!isnan(duration)) {
-                          self.segmentDurations[segmentId] = @(duration);
-                        }
-
-                        if ([self.delegate respondsToSelector:@selector
-                                           (pipelineDidStartSegment:
-                                                           duration:)]) {
-                          [self.delegate pipelineDidStartSegment:segmentId
-                                                        duration:duration];
-                        }
-
-                        [self.urlPlayer play];
-                      });
-                    }];
-}
-
-- (void)playerItemDidFinish:(NSNotification *)notification {
-  [[NSNotificationCenter defaultCenter]
-      removeObserver:self
-                name:AVPlayerItemDidPlayToEndTimeNotification
-              object:notification.object];
-
-  if (self.playerTimeObserver) {
-    [self.urlPlayer removeTimeObserver:self.playerTimeObserver];
-    self.playerTimeObserver = nil;
-  }
-
-  NSString *finishedSegmentId = self.currentSegmentId;
-
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate
-            respondsToSelector:@selector(pipelineDidFinishSegment:)]) {
-      [self.delegate pipelineDidFinishSegment:finishedSegmentId];
-    }
-  });
-
-  dispatch_async(self.playbackQueue, ^{
-    [self playNextSegment];
-  });
-}
-
-#pragma mark - AudioStreamPlayerDelegate
-
-- (void)audioStreamPlayerDidStartSegment:(NSString *)segmentId {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate
-            respondsToSelector:@selector(pipelineDidStartSegment:duration:)]) {
-      [self.delegate pipelineDidStartSegment:segmentId duration:0];
-    }
-  });
-}
-
-- (void)audioStreamPlayerDidUpdateTime:(NSTimeInterval)time
-                             segmentId:(NSString *)segmentId {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector
-                       (pipelineDidUpdatePlaybackTime:segmentId:)]) {
-      [self.delegate pipelineDidUpdatePlaybackTime:time segmentId:segmentId];
-    }
-  });
-}
-
-- (void)audioStreamPlayerDidFinishSegment:(NSString *)segmentId {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate
-            respondsToSelector:@selector(pipelineDidFinishSegment:)]) {
-      [self.delegate pipelineDidFinishSegment:segmentId];
-    }
-  });
-
-  dispatch_async(self.playbackQueue, ^{
-    // 检查是否还有更多片段
-    if (self.segmentQueue.count == 0) {
-      self.playing = NO;
-      self.currentSegmentId = nil;
-
-      dispatch_async(dispatch_get_main_queue(), ^{
-        if ([self.delegate
-                respondsToSelector:@selector(pipelineDidFinishAllSegments)]) {
-          [self.delegate pipelineDidFinishAllSegments];
-        }
-      });
-    }
-  });
-}
-
-@end

keyBoard/Class/AiTalk/VM/TTSServiceClient.h

@@ -1,66 +0,0 @@
-//
-//  TTSServiceClient.h
-//  keyBoard
-//
-//  Created by Mac on 2026/1/15.
-//
-
-#import <Foundation/Foundation.h>
-
-NS_ASSUME_NONNULL_BEGIN
-
-/// TTS 返回数据类型
-typedef NS_ENUM(NSInteger, TTSPayloadType) {
-  TTSPayloadTypeURL = 0,  // 模式 A：返回 m4a/MP3 URL
-  TTSPayloadTypePCMChunk, // 模式 D：返回 PCM chunk
-  TTSPayloadTypeAACChunk, // 模式 B：返回 AAC chunk
-  TTSPayloadTypeOpusChunk // 模式 C：返回 Opus chunk
-};
-
-/// TTS 服务客户端代理
-@protocol TTSServiceClientDelegate <NSObject>
-@optional
-/// 收到音频 URL（模式 A）
-- (void)ttsClientDidReceiveURL:(NSURL *)url segmentId:(NSString *)segmentId;
-/// 收到音频数据块（模式 B/C/D）
-- (void)ttsClientDidReceiveAudioChunk:(NSData *)chunk
-                          payloadType:(TTSPayloadType)type
-                            segmentId:(NSString *)segmentId;
-/// 片段完成
-- (void)ttsClientDidFinishSegment:(NSString *)segmentId;
-/// 请求失败
-- (void)ttsClientDidFail:(NSError *)error;
-@end
-
-/// TTS 服务客户端
-/// 统一网络层接口，支持多种 TTS 返回形态
-@interface TTSServiceClient : NSObject
-
-@property(nonatomic, weak) id<TTSServiceClientDelegate> delegate;
-
-/// TTS 服务器 URL
-@property(nonatomic, copy) NSString *serverURL;
-
-/// 语音 ID（ElevenLabs voice ID）
-@property(nonatomic, copy) NSString *voiceId;
-
-/// 语言代码（如 "zh", "en"）
-@property(nonatomic, copy) NSString *languageCode;
-
-/// 当前期望的返回类型（由服务端配置决定）
-@property(nonatomic, assign) TTSPayloadType expectedPayloadType;
-
-/// 是否正在请求
-@property(nonatomic, assign, readonly, getter=isRequesting) BOOL requesting;
-
-/// 请求 TTS 合成
-/// @param text 要合成的文本
-/// @param segmentId 片段 ID（用于标识和排序）
-- (void)requestTTSForText:(NSString *)text segmentId:(NSString *)segmentId;
-
-/// 取消所有请求
-- (void)cancel;
-
-@end
-
-NS_ASSUME_NONNULL_END

keyBoard/Class/AiTalk/VM/TTSServiceClient.m

@@ -1,302 +0,0 @@
-//
-//  TTSServiceClient.m
-//  keyBoard
-//
-//  Created by Mac on 2026/1/15.
-//
-
-#import "TTSServiceClient.h"
-
-@interface TTSServiceClient () <NSURLSessionDataDelegate,
-                                NSURLSessionWebSocketDelegate>
-
-@property(nonatomic, strong) NSURLSession *urlSession;
-@property(nonatomic, strong)
-    NSMutableDictionary<NSString *, NSURLSessionTask *> *activeTasks;
-@property(nonatomic, strong) dispatch_queue_t networkQueue;
-@property(nonatomic, assign) BOOL requesting;
-
-@end
-
-@implementation TTSServiceClient
-
-- (instancetype)init {
-  self = [super init];
-  if (self) {
-    _networkQueue = dispatch_queue_create("com.keyboard.aitalk.tts.network",
-                                          DISPATCH_QUEUE_SERIAL);
-    _activeTasks = [[NSMutableDictionary alloc] init];
-    _expectedPayloadType = TTSPayloadTypeURL; // 默认 URL 模式
-    // TODO: 替换为实际的 TTS 服务器地址
-    _serverURL = @"https://your-tts-server.com/api/tts";
-
-    [self setupSession];
-  }
-  return self;
-}
-
-- (void)setupSession {
-  NSURLSessionConfiguration *config =
-      [NSURLSessionConfiguration defaultSessionConfiguration];
-  config.timeoutIntervalForRequest = 30;
-  config.timeoutIntervalForResource = 120;
-
-  self.urlSession = [NSURLSession sessionWithConfiguration:config
-                                                  delegate:self
-                                             delegateQueue:nil];
-}
-
-- (void)dealloc {
-  [self cancel];
-}
-
-#pragma mark - Public Methods
-
-- (void)requestTTSForText:(NSString *)text segmentId:(NSString *)segmentId {
-  if (!text || text.length == 0 || !segmentId) {
-    return;
-  }
-
-  dispatch_async(self.networkQueue, ^{
-    self.requesting = YES;
-
-    switch (self.expectedPayloadType) {
-    case TTSPayloadTypeURL:
-      [self requestURLMode:text segmentId:segmentId];
-      break;
-    case TTSPayloadTypePCMChunk:
-    case TTSPayloadTypeAACChunk:
-    case TTSPayloadTypeOpusChunk:
-      [self requestStreamMode:text segmentId:segmentId];
-      break;
-    }
-  });
-}
-
-- (void)cancel {
-  dispatch_async(self.networkQueue, ^{
-    for (NSURLSessionTask *task in self.activeTasks.allValues) {
-      [task cancel];
-    }
-    [self.activeTasks removeAllObjects];
-    self.requesting = NO;
-  });
-}
-
-#pragma mark - URL Mode (Mode A)
-
-- (void)requestURLMode:(NSString *)text segmentId:(NSString *)segmentId {
-  NSURL *url = [NSURL URLWithString:self.serverURL];
-  NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
-  request.HTTPMethod = @"POST";
-  [request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
-
-  NSDictionary *body = @{
-    @"text" : text,
-    @"segmentId" : segmentId,
-    @"voiceId" : self.voiceId ?: @"JBFqnCBsd6RMkjVDRZzb",
-    @"languageCode" : self.languageCode ?: @"zh",
-    @"format" : @"mp3" // 或 m4a
-  };
-
-  NSError *jsonError = nil;
-  NSData *jsonData = [NSJSONSerialization dataWithJSONObject:body
-                                                     options:0
-                                                       error:&jsonError];
-  if (jsonError) {
-    [self reportError:jsonError];
-    return;
-  }
-  request.HTTPBody = jsonData;
-
-  __weak typeof(self) weakSelf = self;
-  NSURLSessionDataTask *task = [self.urlSession
-      dataTaskWithRequest:request
-        completionHandler:^(NSData *_Nullable data,
-                            NSURLResponse *_Nullable response,
-                            NSError *_Nullable error) {
-          __strong typeof(weakSelf) strongSelf = weakSelf;
-          if (!strongSelf)
-            return;
-
-          dispatch_async(strongSelf.networkQueue, ^{
-            [strongSelf.activeTasks removeObjectForKey:segmentId];
-
-            if (error) {
-              if (error.code != NSURLErrorCancelled) {
-                [strongSelf reportError:error];
-              }
-              return;
-            }
-
-            // 解析响应
-            NSError *parseError = nil;
-            NSDictionary *json =
-                [NSJSONSerialization JSONObjectWithData:data
-                                                options:0
-                                                  error:&parseError];
-            if (parseError) {
-              [strongSelf reportError:parseError];
-              return;
-            }
-
-            NSString *audioURLString = json[@"audioUrl"];
-            if (audioURLString) {
-              NSURL *audioURL = [NSURL URLWithString:audioURLString];
-              dispatch_async(dispatch_get_main_queue(), ^{
-                if ([strongSelf.delegate respondsToSelector:@selector
-                                         (ttsClientDidReceiveURL:segmentId:)]) {
-                  [strongSelf.delegate ttsClientDidReceiveURL:audioURL
-                                                    segmentId:segmentId];
-                }
-                if ([strongSelf.delegate respondsToSelector:@selector
-                                         (ttsClientDidFinishSegment:)]) {
-                  [strongSelf.delegate ttsClientDidFinishSegment:segmentId];
-                }
-              });
-            }
-          });
-        }];
-
-  self.activeTasks[segmentId] = task;
-  [task resume];
-
-  NSLog(@"[TTSServiceClient] URL mode request for segment: %@", segmentId);
-}
-
-#pragma mark - Stream Mode (Mode B/C/D)
-
-- (void)requestStreamMode:(NSString *)text segmentId:(NSString *)segmentId {
-  // WebSocket 连接用于流式接收
-  NSString *wsURL =
-      [self.serverURL stringByReplacingOccurrencesOfString:@"https://"
-                                                withString:@"wss://"];
-  wsURL = [wsURL stringByReplacingOccurrencesOfString:@"http://"
-                                           withString:@"ws://"];
-  wsURL = [wsURL stringByAppendingString:@"/stream"];
-
-  NSURL *url = [NSURL URLWithString:wsURL];
-  NSURLSessionWebSocketTask *wsTask =
-      [self.urlSession webSocketTaskWithURL:url];
-
-  self.activeTasks[segmentId] = wsTask;
-  [wsTask resume];
-
-  // 发送请求
-  NSDictionary *requestDict = @{
-    @"text" : text,
-    @"segmentId" : segmentId,
-    @"voiceId" : self.voiceId ?: @"JBFqnCBsd6RMkjVDRZzb",
-    @"languageCode" : self.languageCode ?: @"zh",
-    @"format" : [self formatStringForPayloadType:self.expectedPayloadType]
-  };
-
-  NSError *jsonError = nil;
-  NSData *jsonData = [NSJSONSerialization dataWithJSONObject:requestDict
-                                                     options:0
-                                                       error:&jsonError];
-  if (jsonError) {
-    [self reportError:jsonError];
-    return;
-  }
-
-  NSString *jsonString = [[NSString alloc] initWithData:jsonData
-                                               encoding:NSUTF8StringEncoding];
-  NSURLSessionWebSocketMessage *message =
-      [[NSURLSessionWebSocketMessage alloc] initWithString:jsonString];
-
-  __weak typeof(self) weakSelf = self;
-  [wsTask sendMessage:message
-      completionHandler:^(NSError *_Nullable error) {
-        if (error) {
-          [weakSelf reportError:error];
-        } else {
-          [weakSelf receiveStreamMessage:wsTask segmentId:segmentId];
-        }
-      }];
-
-  NSLog(@"[TTSServiceClient] Stream mode request for segment: %@", segmentId);
-}
-
-- (void)receiveStreamMessage:(NSURLSessionWebSocketTask *)wsTask
-                   segmentId:(NSString *)segmentId {
-  __weak typeof(self) weakSelf = self;
-  [wsTask receiveMessageWithCompletionHandler:^(
-              NSURLSessionWebSocketMessage *_Nullable message,
-              NSError *_Nullable error) {
-    __strong typeof(weakSelf) strongSelf = weakSelf;
-    if (!strongSelf)
-      return;
-
-    if (error) {
-      if (error.code != NSURLErrorCancelled && error.code != 57) {
-        [strongSelf reportError:error];
-      }
-      return;
-    }
-
-    if (message.type == NSURLSessionWebSocketMessageTypeData) {
-      // 音频数据块
-      dispatch_async(dispatch_get_main_queue(), ^{
-        if ([strongSelf.delegate respondsToSelector:@selector
-                                 (ttsClientDidReceiveAudioChunk:
-                                                    payloadType:segmentId:)]) {
-          [strongSelf.delegate
-              ttsClientDidReceiveAudioChunk:message.data
-                                payloadType:strongSelf.expectedPayloadType
-                                  segmentId:segmentId];
-        }
-      });
-
-      // 继续接收
-      [strongSelf receiveStreamMessage:wsTask segmentId:segmentId];
-    } else if (message.type == NSURLSessionWebSocketMessageTypeString) {
-      // 控制消息
-      NSData *data = [message.string dataUsingEncoding:NSUTF8StringEncoding];
-      NSDictionary *json = [NSJSONSerialization JSONObjectWithData:data
-                                                           options:0
-                                                             error:nil];
-
-      if ([json[@"type"] isEqualToString:@"done"]) {
-        dispatch_async(strongSelf.networkQueue, ^{
-          [strongSelf.activeTasks removeObjectForKey:segmentId];
-        });
-        dispatch_async(dispatch_get_main_queue(), ^{
-          if ([strongSelf.delegate
-                  respondsToSelector:@selector(ttsClientDidFinishSegment:)]) {
-            [strongSelf.delegate ttsClientDidFinishSegment:segmentId];
-          }
-        });
-      } else {
-        // 继续接收
-        [strongSelf receiveStreamMessage:wsTask segmentId:segmentId];
-      }
-    }
-  }];
-}
-
-- (NSString *)formatStringForPayloadType:(TTSPayloadType)type {
-  switch (type) {
-  case TTSPayloadTypePCMChunk:
-    return @"pcm";
-  case TTSPayloadTypeAACChunk:
-    return @"aac";
-  case TTSPayloadTypeOpusChunk:
-    return @"opus";
-  default:
-    return @"mp3";
-  }
-}
-
-#pragma mark - Error Reporting
-
-- (void)reportError:(NSError *)error {
-  self.requesting = NO;
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector(ttsClientDidFail:)]) {
-      [self.delegate ttsClientDidFail:error];
-    }
-  });
-}
-
-@end

keyBoard/Class/AiTalk/VM/VoiceChatStreamingManager.h

@@ -1,53 +0,0 @@
-//
-//  VoiceChatStreamingManager.h
-//  keyBoard
-//
-//  Created by Mac on 2026/1/21.
-//
-
-#import <Foundation/Foundation.h>
-
-NS_ASSUME_NONNULL_BEGIN
-
-@protocol VoiceChatStreamingManagerDelegate <NSObject>
-@optional
-- (void)voiceChatStreamingManagerDidConnect;
-- (void)voiceChatStreamingManagerDidDisconnect:(NSError *_Nullable)error;
-- (void)voiceChatStreamingManagerDidStartSession:(NSString *)sessionId;
-- (void)voiceChatStreamingManagerDidStartTurn:(NSInteger)turnIndex;
-- (void)voiceChatStreamingManagerDidReceiveEagerEndOfTurnWithTranscript:(NSString *)text
-                                                             confidence:(double)confidence;
-- (void)voiceChatStreamingManagerDidResumeTurn;
-- (void)voiceChatStreamingManagerDidUpdateRMS:(float)rms;
-- (void)voiceChatStreamingManagerDidReceiveInterimTranscript:(NSString *)text;
-- (void)voiceChatStreamingManagerDidReceiveFinalTranscript:(NSString *)text;
-- (void)voiceChatStreamingManagerDidReceiveLLMStart;
-- (void)voiceChatStreamingManagerDidReceiveLLMToken:(NSString *)token;
-- (void)voiceChatStreamingManagerDidReceiveAudioChunk:(NSData *)audioData;
-- (void)voiceChatStreamingManagerDidCompleteWithTranscript:(NSString *)transcript
-                                                aiResponse:(NSString *)aiResponse;
-- (void)voiceChatStreamingManagerDidFail:(NSError *)error;
-@end
-
-/// Manager for realtime recording and streaming.
-@interface VoiceChatStreamingManager : NSObject
-
-@property(nonatomic, weak) id<VoiceChatStreamingManagerDelegate> delegate;
-
-/// Base WebSocket URL, e.g. wss://api.yourdomain.com/api/ws/chat
-@property(nonatomic, copy) NSString *serverURL;
-
-@property(nonatomic, assign, readonly, getter=isStreaming) BOOL streaming;
-@property(nonatomic, copy, readonly, nullable) NSString *sessionId;
-
-- (void)startWithToken:(NSString *)token
-              language:(nullable NSString *)language
-               voiceId:(nullable NSString *)voiceId;
-
-- (void)stopAndFinalize;
-- (void)cancel;
-- (void)disconnect;
-
-@end
-
-NS_ASSUME_NONNULL_END

keyBoard/Class/AiTalk/VM/VoiceChatStreamingManager.m

@@ -1,380 +0,0 @@
-//
-//  VoiceChatStreamingManager.m
-//  keyBoard
-//
-//  Created by Mac on 2026/1/21.
-//
-
-#import "VoiceChatStreamingManager.h"
-#import "AudioCaptureManager.h"
-#import "AudioSessionManager.h"
-#import "VoiceChatWebSocketClient.h"
-
-static NSString *const kVoiceChatStreamingManagerErrorDomain =
-    @"VoiceChatStreamingManager";
-
-@interface VoiceChatStreamingManager () <AudioSessionManagerDelegate,
-                                        AudioCaptureManagerDelegate,
-                                        VoiceChatWebSocketClientDelegate>
-
-@property(nonatomic, strong) AudioSessionManager *audioSession;
-@property(nonatomic, strong) AudioCaptureManager *audioCapture;
-@property(nonatomic, strong) VoiceChatWebSocketClient *webSocketClient;
-@property(nonatomic, strong) dispatch_queue_t stateQueue;
-
-@property(nonatomic, assign) BOOL streaming;
-@property(nonatomic, copy) NSString *sessionId;
-
-@property(nonatomic, copy) NSString *pendingToken;
-@property(nonatomic, copy) NSString *pendingLanguage;
-@property(nonatomic, copy) NSString *pendingVoiceId;
-
-@end
-
-@implementation VoiceChatStreamingManager
-
-- (instancetype)init {
-  self = [super init];
-  if (self) {
-    _stateQueue = dispatch_queue_create("com.keyboard.aitalk.voicechat.manager",
-                                        DISPATCH_QUEUE_SERIAL);
-
-    _audioSession = [AudioSessionManager sharedManager];
-    _audioSession.delegate = self;
-
-    _audioCapture = [[AudioCaptureManager alloc] init];
-    _audioCapture.delegate = self;
-
-    _webSocketClient = [[VoiceChatWebSocketClient alloc] init];
-    _webSocketClient.delegate = self;
-
-    _serverURL = @"ws://192.168.2.21:7529/api/ws/chat?token=";
-    _webSocketClient.serverURL = _serverURL;
-  }
-  return self;
-}
-
-- (void)dealloc {
-  [self disconnectInternal];
-}
-
-- (void)setServerURL:(NSString *)serverURL {
-  _serverURL = [serverURL copy];
-  self.webSocketClient.serverURL = _serverURL;
-}
-
-#pragma mark - Public Methods
-
-- (void)startWithToken:(NSString *)token
-              language:(nullable NSString *)language
-               voiceId:(nullable NSString *)voiceId {
-  dispatch_async(self.stateQueue, ^{
-    self.pendingToken = token ?: @"";
-    self.pendingLanguage = language ?: @"";
-    self.pendingVoiceId = voiceId ?: @"";
-    [self.webSocketClient disableAudioSending];
-    [self startInternal];
-  });
-}
-
-- (void)stopAndFinalize {
-  dispatch_async(self.stateQueue, ^{
-    if (self.streaming) {
-      [self.audioCapture stopCapture];
-      self.streaming = NO;
-    }
-    [self.webSocketClient disableAudioSending];
-    [self.webSocketClient endAudio];
-  });
-}
-
-- (void)cancel {
-  dispatch_async(self.stateQueue, ^{
-    if (self.streaming) {
-      [self.audioCapture stopCapture];
-      self.streaming = NO;
-    }
-    [self.webSocketClient disableAudioSending];
-    [self.webSocketClient cancel];
-    self.sessionId = nil;
-  });
-}
-
-- (void)disconnect {
-  dispatch_async(self.stateQueue, ^{
-    [self disconnectInternal];
-  });
-}
-
-- (void)disconnectInternal {
-  if (self.streaming) {
-    [self.audioCapture stopCapture];
-    self.streaming = NO;
-  }
-  [self.webSocketClient disableAudioSending];
-  [self.webSocketClient disconnect];
-  [self.audioSession deactivateSession];
-  self.sessionId = nil;
-}
-
-#pragma mark - Private Methods
-
-- (void)startInternal {
-  if (self.pendingToken.length == 0) {
-    NSLog(@"[VoiceChatStreamingManager] Start failed: token is empty");
-    [self reportErrorWithMessage:@"Token is required"];
-    return;
-  }
-
-  if (![self.audioSession hasMicrophonePermission]) {
-    __weak typeof(self) weakSelf = self;
-    [self.audioSession requestMicrophonePermission:^(BOOL granted) {
-      __strong typeof(weakSelf) strongSelf = weakSelf;
-      if (!strongSelf) {
-        return;
-      }
-      if (!granted) {
-        [strongSelf reportErrorWithMessage:@"Microphone permission denied"];
-        return;
-      }
-      dispatch_async(strongSelf.stateQueue, ^{
-        [strongSelf startInternal];
-      });
-    }];
-    return;
-  }
-
-  NSError *error = nil;
-  if (![self.audioSession configureForConversation:&error]) {
-    [self reportError:error];
-    return;
-  }
-
-  if (![self.audioSession activateSession:&error]) {
-    [self reportError:error];
-    return;
-  }
-
-  if (self.serverURL.length == 0) {
-    NSLog(@"[VoiceChatStreamingManager] Start failed: server URL is empty");
-    [self reportErrorWithMessage:@"Server URL is required"];
-    return;
-  }
-
-  NSLog(@"[VoiceChatStreamingManager] Start streaming, server: %@",
-        self.serverURL);
-  self.webSocketClient.serverURL = self.serverURL;
-  [self.webSocketClient connectWithToken:self.pendingToken];
-}
-
-- (void)reportError:(NSError *)error {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector
-                       (voiceChatStreamingManagerDidFail:)]) {
-      [self.delegate voiceChatStreamingManagerDidFail:error];
-    }
-  });
-}
-
-- (void)reportErrorWithMessage:(NSString *)message {
-  NSError *error = [NSError errorWithDomain:kVoiceChatStreamingManagerErrorDomain
-                                       code:-1
-                                   userInfo:@{
-                                     NSLocalizedDescriptionKey : message ?: @""
-                                   }];
-  [self reportError:error];
-}
-
-#pragma mark - AudioCaptureManagerDelegate
-
-- (void)audioCaptureManagerDidOutputPCMFrame:(NSData *)pcmFrame {
-  if (!self.streaming) {
-    return;
-  }
-  [self.webSocketClient sendAudioPCMFrame:pcmFrame];
-}
-
-- (void)audioCaptureManagerDidUpdateRMS:(float)rms {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector
-                       (voiceChatStreamingManagerDidUpdateRMS:)]) {
-      [self.delegate voiceChatStreamingManagerDidUpdateRMS:rms];
-    }
-  });
-}
-
-#pragma mark - AudioSessionManagerDelegate
-
-- (void)audioSessionManagerDidInterrupt:(KBAudioSessionInterruptionType)type {
-  if (type == KBAudioSessionInterruptionTypeBegan) {
-    [self cancel];
-  }
-}
-
-- (void)audioSessionManagerMicrophonePermissionDenied {
-  [self reportErrorWithMessage:@"Microphone permission denied"];
-}
-
-#pragma mark - VoiceChatWebSocketClientDelegate
-
-- (void)voiceChatClientDidConnect {
-  dispatch_async(self.stateQueue, ^{
-    [self.webSocketClient startSessionWithLanguage:self.pendingLanguage
-                                           voiceId:self.pendingVoiceId];
-  });
-
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector
-                       (voiceChatStreamingManagerDidConnect)]) {
-      [self.delegate voiceChatStreamingManagerDidConnect];
-    }
-  });
-}
-
-- (void)voiceChatClientDidDisconnect:(NSError *_Nullable)error {
-  dispatch_async(self.stateQueue, ^{
-    if (self.streaming) {
-      [self.audioCapture stopCapture];
-      self.streaming = NO;
-    }
-    [self.audioSession deactivateSession];
-    self.sessionId = nil;
-  });
-
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector
-                       (voiceChatStreamingManagerDidDisconnect:)]) {
-      [self.delegate voiceChatStreamingManagerDidDisconnect:error];
-    }
-  });
-}
-
-- (void)voiceChatClientDidStartSession:(NSString *)sessionId {
-  dispatch_async(self.stateQueue, ^{
-    self.sessionId = sessionId;
-
-    NSError *error = nil;
-    if (![self.audioCapture startCapture:&error]) {
-      [self reportError:error];
-      [self.webSocketClient cancel];
-      return;
-    }
-
-    self.streaming = YES;
-    [self.webSocketClient enableAudioSending];
-
-    dispatch_async(dispatch_get_main_queue(), ^{
-      if ([self.delegate respondsToSelector:@selector
-                         (voiceChatStreamingManagerDidStartSession:)]) {
-        [self.delegate voiceChatStreamingManagerDidStartSession:sessionId];
-      }
-    });
-  });
-}
-
-- (void)voiceChatClientDidStartTurn:(NSInteger)turnIndex {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector
-                       (voiceChatStreamingManagerDidStartTurn:)]) {
-      [self.delegate voiceChatStreamingManagerDidStartTurn:turnIndex];
-    }
-  });
-}
-
-- (void)voiceChatClientDidReceiveEagerEndOfTurnWithTranscript:(NSString *)text
-                                                   confidence:(double)confidence {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate
-            respondsToSelector:@selector
-            (voiceChatStreamingManagerDidReceiveEagerEndOfTurnWithTranscript:
-                                                                     confidence:)]) {
-      [self.delegate
-          voiceChatStreamingManagerDidReceiveEagerEndOfTurnWithTranscript:text
-                                                               confidence:confidence];
-    }
-  });
-}
-
-- (void)voiceChatClientDidResumeTurn {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector
-                       (voiceChatStreamingManagerDidResumeTurn)]) {
-      [self.delegate voiceChatStreamingManagerDidResumeTurn];
-    }
-  });
-}
-
-- (void)voiceChatClientDidReceiveInterimTranscript:(NSString *)text {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector
-                       (voiceChatStreamingManagerDidReceiveInterimTranscript:)]) {
-      [self.delegate voiceChatStreamingManagerDidReceiveInterimTranscript:text];
-    }
-  });
-}
-
-- (void)voiceChatClientDidReceiveFinalTranscript:(NSString *)text {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector
-                       (voiceChatStreamingManagerDidReceiveFinalTranscript:)]) {
-      [self.delegate voiceChatStreamingManagerDidReceiveFinalTranscript:text];
-    }
-  });
-}
-
-- (void)voiceChatClientDidReceiveLLMStart {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector
-                       (voiceChatStreamingManagerDidReceiveLLMStart)]) {
-      [self.delegate voiceChatStreamingManagerDidReceiveLLMStart];
-    }
-  });
-}
-
-- (void)voiceChatClientDidReceiveLLMToken:(NSString *)token {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector
-                       (voiceChatStreamingManagerDidReceiveLLMToken:)]) {
-      [self.delegate voiceChatStreamingManagerDidReceiveLLMToken:token];
-    }
-  });
-}
-
-- (void)voiceChatClientDidReceiveAudioChunk:(NSData *)audioData {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector
-                       (voiceChatStreamingManagerDidReceiveAudioChunk:)]) {
-      [self.delegate voiceChatStreamingManagerDidReceiveAudioChunk:audioData];
-    }
-  });
-}
-
-- (void)voiceChatClientDidCompleteWithTranscript:(NSString *)transcript
-                                      aiResponse:(NSString *)aiResponse {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector
-                       (voiceChatStreamingManagerDidCompleteWithTranscript:
-                                                              aiResponse:)]) {
-      [self.delegate voiceChatStreamingManagerDidCompleteWithTranscript:transcript
-                                                             aiResponse:aiResponse];
-    }
-  });
-}
-
-- (void)voiceChatClientDidReceiveErrorCode:(NSString *)code
-                                   message:(NSString *)message {
-  NSString *desc = message.length > 0 ? message : @"Server error";
-  NSError *error = [NSError errorWithDomain:kVoiceChatStreamingManagerErrorDomain
-                                       code:-2
-                                   userInfo:@{
-                                     NSLocalizedDescriptionKey : desc,
-                                     @"code" : code ?: @""
-                                   }];
-  [self reportError:error];
-}
-
-- (void)voiceChatClientDidFail:(NSError *)error {
-  [self reportError:error];
-}
-
-@end

keyBoard/Class/AiTalk/VM/VoiceChatWebSocketClient.h

@@ -1,57 +0,0 @@
-//
-//  VoiceChatWebSocketClient.h
-//  keyBoard
-//
-//  Created by Mac on 2026/1/21.
-//
-
-#import <Foundation/Foundation.h>
-
-NS_ASSUME_NONNULL_BEGIN
-
-@protocol VoiceChatWebSocketClientDelegate <NSObject>
-@optional
-- (void)voiceChatClientDidConnect;
-- (void)voiceChatClientDidDisconnect:(NSError *_Nullable)error;
-- (void)voiceChatClientDidStartSession:(NSString *)sessionId;
-- (void)voiceChatClientDidStartTurn:(NSInteger)turnIndex;
-- (void)voiceChatClientDidReceiveEagerEndOfTurnWithTranscript:(NSString *)text
-                                                   confidence:(double)confidence;
-- (void)voiceChatClientDidResumeTurn;
-- (void)voiceChatClientDidReceiveInterimTranscript:(NSString *)text;
-- (void)voiceChatClientDidReceiveFinalTranscript:(NSString *)text;
-- (void)voiceChatClientDidReceiveLLMStart;
-- (void)voiceChatClientDidReceiveLLMToken:(NSString *)token;
-- (void)voiceChatClientDidReceiveAudioChunk:(NSData *)audioData;
-- (void)voiceChatClientDidCompleteWithTranscript:(NSString *)transcript
-                                      aiResponse:(NSString *)aiResponse;
-- (void)voiceChatClientDidReceiveErrorCode:(NSString *)code
-                                   message:(NSString *)message;
-- (void)voiceChatClientDidFail:(NSError *)error;
-@end
-
-/// WebSocket client for realtime voice chat.
-@interface VoiceChatWebSocketClient : NSObject
-
-@property(nonatomic, weak) id<VoiceChatWebSocketClientDelegate> delegate;
-
-/// Base WebSocket URL, e.g. wss://api.yourdomain.com/api/ws/chat
-@property(nonatomic, copy) NSString *serverURL;
-
-@property(nonatomic, assign, readonly, getter=isConnected) BOOL connected;
-@property(nonatomic, copy, readonly, nullable) NSString *sessionId;
-
-- (void)connectWithToken:(NSString *)token;
-- (void)disconnect;
-
-- (void)startSessionWithLanguage:(nullable NSString *)language
-                         voiceId:(nullable NSString *)voiceId;
-- (void)enableAudioSending;
-- (void)disableAudioSending;
-- (void)sendAudioPCMFrame:(NSData *)pcmFrame;
-- (void)endAudio;
-- (void)cancel;
-
-@end
-
-NS_ASSUME_NONNULL_END

keyBoard/Class/AiTalk/VM/VoiceChatWebSocketClient.m

@@ -1,459 +0,0 @@
-//
-//  VoiceChatWebSocketClient.m
-//  keyBoard
-//
-//  Created by Mac on 2026/1/21.
-//
-
-#import "VoiceChatWebSocketClient.h"
-
-static NSString *const kVoiceChatWebSocketClientErrorDomain =
-    @"VoiceChatWebSocketClient";
-
-@interface VoiceChatWebSocketClient () <NSURLSessionWebSocketDelegate>
-
-@property(nonatomic, strong) NSURLSession *urlSession;
-@property(nonatomic, strong) NSURLSessionWebSocketTask *webSocketTask;
-@property(nonatomic, strong) dispatch_queue_t networkQueue;
-@property(nonatomic, assign) BOOL connected;
-@property(nonatomic, copy) NSString *sessionId;
-@property(nonatomic, assign) BOOL audioSendingEnabled;
-
-@end
-
-@implementation VoiceChatWebSocketClient
-
-- (instancetype)init {
-  self = [super init];
-  if (self) {
-    _networkQueue = dispatch_queue_create("com.keyboard.aitalk.voicechat.ws",
-                                          DISPATCH_QUEUE_SERIAL);
-    _serverURL = @"wss://api.yourdomain.com/api/ws/chat";
-    _audioSendingEnabled = NO;
-  }
-  return self;
-}
-
-- (void)dealloc {
-  [self disconnectInternal];
-}
-
-#pragma mark - Public Methods
-
-- (void)connectWithToken:(NSString *)token {
-  dispatch_async(self.networkQueue, ^{
-    [self disconnectInternal];
-
-    NSURL *url = [self buildURLWithToken:token];
-    if (!url) {
-      [self reportErrorWithMessage:@"Invalid server URL"];
-      return;
-    }
-
-    NSLog(@"[VoiceChatWebSocketClient] Connecting: %@", url.absoluteString);
-
-    NSURLSessionConfiguration *config =
-        [NSURLSessionConfiguration defaultSessionConfiguration];
-    config.timeoutIntervalForRequest = 30;
-    config.timeoutIntervalForResource = 300;
-
-    self.urlSession = [NSURLSession sessionWithConfiguration:config
-                                                    delegate:self
-                                               delegateQueue:nil];
-
-    self.webSocketTask = [self.urlSession webSocketTaskWithURL:url];
-    [self.webSocketTask resume];
-    [self receiveMessage];
-  });
-}
-
-- (void)disconnect {
-  dispatch_async(self.networkQueue, ^{
-    BOOL shouldNotify = self.webSocketTask != nil;
-    if (shouldNotify) {
-      NSLog(@"[VoiceChatWebSocketClient] Disconnect requested");
-    }
-    [self disconnectInternal];
-    if (shouldNotify) {
-      [self notifyDisconnect:nil];
-    }
-  });
-}
-
-- (void)startSessionWithLanguage:(nullable NSString *)language
-                         voiceId:(nullable NSString *)voiceId {
-  NSMutableDictionary *message = [NSMutableDictionary dictionary];
-  message[@"type"] = @"session_start";
-
-  NSMutableDictionary *config = [NSMutableDictionary dictionary];
-  if (language.length > 0) {
-    config[@"language"] = language;
-  }
-  if (voiceId.length > 0) {
-    config[@"voice_id"] = voiceId;
-  }
-  if (config.count > 0) {
-    message[@"config"] = config;
-  }
-
-  NSLog(@"[VoiceChatWebSocketClient] Sending session_start: %@",
-        message);
-  [self sendJSON:message];
-}
-
-- (void)enableAudioSending {
-  dispatch_async(self.networkQueue, ^{
-    self.audioSendingEnabled = YES;
-  });
-}
-
-- (void)disableAudioSending {
-  dispatch_async(self.networkQueue, ^{
-    self.audioSendingEnabled = NO;
-  });
-}
-
-- (void)sendAudioPCMFrame:(NSData *)pcmFrame {
-  if (!self.connected || !self.webSocketTask || pcmFrame.length == 0) {
-    return;
-  }
-
-  dispatch_async(self.networkQueue, ^{
-    if (!self.audioSendingEnabled) {
-      return;
-    }
-    if (!self.connected || !self.webSocketTask) {
-      return;
-    }
-    NSURLSessionWebSocketMessage *message =
-        [[NSURLSessionWebSocketMessage alloc] initWithData:pcmFrame];
-    [self.webSocketTask
-              sendMessage:message
-        completionHandler:^(NSError *_Nullable error) {
-          if (error) {
-            [self reportError:error];
-          } else {
-            NSLog(@"[VoiceChatWebSocketClient] Sent audio frame: %lu bytes",
-                  (unsigned long)pcmFrame.length);
-          }
-        }];
-  });
-}
-
-- (void)endAudio {
-  NSLog(@"[VoiceChatWebSocketClient] Sending audio_end");
-  [self sendJSON:@{ @"type" : @"audio_end" }];
-}
-
-- (void)cancel {
-  NSLog(@"[VoiceChatWebSocketClient] Sending cancel");
-  [self sendJSON:@{ @"type" : @"cancel" }];
-}
-
-#pragma mark - Private Methods
-
-- (NSURL *)buildURLWithToken:(NSString *)token {
-  if (self.serverURL.length == 0) {
-    return nil;
-  }
-
-  NSURLComponents *components =
-      [NSURLComponents componentsWithString:self.serverURL];
-  if (!components) {
-    return nil;
-  }
-
-  if (token.length > 0) {
-    NSMutableArray<NSURLQueryItem *> *items =
-        components.queryItems.mutableCopy ?: [NSMutableArray array];
-    BOOL didReplace = NO;
-    for (NSUInteger i = 0; i < items.count; i++) {
-      NSURLQueryItem *item = items[i];
-      if ([item.name isEqualToString:@"token"]) {
-        items[i] = [NSURLQueryItem queryItemWithName:@"token" value:token];
-        didReplace = YES;
-        break;
-      }
-    }
-    if (!didReplace) {
-      [items addObject:[NSURLQueryItem queryItemWithName:@"token"
-                                                   value:token]];
-    }
-    components.queryItems = items;
-  }
-
-  return components.URL;
-}
-
-- (void)sendJSON:(NSDictionary *)dict {
-  if (!self.webSocketTask) {
-    return;
-  }
-
-  NSError *jsonError = nil;
-  NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dict
-                                                     options:0
-                                                       error:&jsonError];
-  if (jsonError) {
-    [self reportError:jsonError];
-    return;
-  }
-
-  NSString *jsonString =
-      [[NSString alloc] initWithData:jsonData
-                            encoding:NSUTF8StringEncoding];
-  if (!jsonString) {
-    [self reportErrorWithMessage:@"Failed to encode JSON message"];
-    return;
-  }
-
-  dispatch_async(self.networkQueue, ^{
-    NSURLSessionWebSocketMessage *message =
-        [[NSURLSessionWebSocketMessage alloc] initWithString:jsonString];
-    [self.webSocketTask
-              sendMessage:message
-        completionHandler:^(NSError *_Nullable error) {
-          if (error) {
-            [self reportError:error];
-          }
-        }];
-  });
-}
-
-- (void)receiveMessage {
-  if (!self.webSocketTask) {
-    return;
-  }
-
-  __weak typeof(self) weakSelf = self;
-  [self.webSocketTask receiveMessageWithCompletionHandler:^(
-                          NSURLSessionWebSocketMessage *_Nullable message,
-                          NSError *_Nullable error) {
-    __strong typeof(weakSelf) strongSelf = weakSelf;
-    if (!strongSelf) {
-      return;
-    }
-
-    if (error) {
-      if (error.code != NSURLErrorCancelled && error.code != 57) {
-        [strongSelf notifyDisconnect:error];
-        [strongSelf disconnectInternal];
-      }
-      return;
-    }
-
-    if (message.type == NSURLSessionWebSocketMessageTypeString) {
-      NSLog(@"[VoiceChatWebSocketClient] Received text: %@", message.string);
-      [strongSelf handleTextMessage:message.string];
-    } else if (message.type == NSURLSessionWebSocketMessageTypeData) {
-      NSLog(@"[VoiceChatWebSocketClient] Received binary: %lu bytes",
-            (unsigned long)message.data.length);
-      [strongSelf handleBinaryMessage:message.data];
-    }
-
-    [strongSelf receiveMessage];
-  }];
-}
-
-- (void)handleTextMessage:(NSString *)text {
-  if (text.length == 0) {
-    return;
-  }
-
-  NSData *data = [text dataUsingEncoding:NSUTF8StringEncoding];
-  if (!data) {
-    return;
-  }
-
-  NSError *jsonError = nil;
-  NSDictionary *json = [NSJSONSerialization JSONObjectWithData:data
-                                                       options:0
-                                                         error:&jsonError];
-  if (jsonError) {
-    [self reportError:jsonError];
-    return;
-  }
-
-  NSString *type = json[@"type"];
-  if (type.length == 0) {
-    return;
-  }
-
-  if ([type isEqualToString:@"session_started"]) {
-    NSString *sessionId = json[@"session_id"] ?: @"";
-    self.sessionId = sessionId;
-    dispatch_async(dispatch_get_main_queue(), ^{
-      if ([self.delegate respondsToSelector:@selector
-                         (voiceChatClientDidStartSession:)]) {
-        [self.delegate voiceChatClientDidStartSession:sessionId];
-      }
-    });
-  } else if ([type isEqualToString:@"transcript_interim"]) {
-    NSString *transcript = json[@"text"] ?: @"";
-    dispatch_async(dispatch_get_main_queue(), ^{
-      if ([self.delegate respondsToSelector:@selector
-                         (voiceChatClientDidReceiveInterimTranscript:)]) {
-        [self.delegate voiceChatClientDidReceiveInterimTranscript:transcript];
-      }
-    });
-  } else if ([type isEqualToString:@"transcript_final"]) {
-    NSString *transcript = json[@"text"] ?: @"";
-    dispatch_async(dispatch_get_main_queue(), ^{
-      if ([self.delegate respondsToSelector:@selector
-                         (voiceChatClientDidReceiveFinalTranscript:)]) {
-        [self.delegate voiceChatClientDidReceiveFinalTranscript:transcript];
-      }
-    });
-  } else if ([type isEqualToString:@"turn_start"]) {
-    NSInteger turnIndex = [json[@"turn_index"] integerValue];
-    dispatch_async(dispatch_get_main_queue(), ^{
-      if ([self.delegate respondsToSelector:@selector
-                         (voiceChatClientDidStartTurn:)]) {
-        [self.delegate voiceChatClientDidStartTurn:turnIndex];
-      }
-    });
-  } else if ([type isEqualToString:@"eager_eot"]) {
-    NSString *transcript = json[@"transcript"] ?: @"";
-    double confidence = [json[@"confidence"] doubleValue];
-    dispatch_async(dispatch_get_main_queue(), ^{
-      if ([self.delegate respondsToSelector:@selector
-                         (voiceChatClientDidReceiveEagerEndOfTurnWithTranscript:
-                                                                      confidence:)]) {
-        [self.delegate
-            voiceChatClientDidReceiveEagerEndOfTurnWithTranscript:transcript
-                                                       confidence:confidence];
-      }
-    });
-  } else if ([type isEqualToString:@"turn_resumed"]) {
-    dispatch_async(dispatch_get_main_queue(), ^{
-      if ([self.delegate respondsToSelector:@selector
-                         (voiceChatClientDidResumeTurn)]) {
-        [self.delegate voiceChatClientDidResumeTurn];
-      }
-    });
-  } else if ([type isEqualToString:@"llm_start"]) {
-    dispatch_async(dispatch_get_main_queue(), ^{
-      if ([self.delegate
-              respondsToSelector:@selector(voiceChatClientDidReceiveLLMStart)]) {
-        [self.delegate voiceChatClientDidReceiveLLMStart];
-      }
-    });
-  } else if ([type isEqualToString:@"llm_token"]) {
-    NSString *token = json[@"token"] ?: @"";
-    dispatch_async(dispatch_get_main_queue(), ^{
-      if ([self.delegate
-              respondsToSelector:@selector(voiceChatClientDidReceiveLLMToken:)]) {
-        [self.delegate voiceChatClientDidReceiveLLMToken:token];
-      }
-    });
-  } else if ([type isEqualToString:@"complete"]) {
-    NSString *transcript = json[@"transcript"] ?: @"";
-    NSString *aiResponse = json[@"ai_response"] ?: @"";
-    dispatch_async(dispatch_get_main_queue(), ^{
-      if ([self.delegate respondsToSelector:@selector
-                         (voiceChatClientDidCompleteWithTranscript:
-                                                        aiResponse:)]) {
-        [self.delegate voiceChatClientDidCompleteWithTranscript:transcript
-                                                     aiResponse:aiResponse];
-      }
-    });
-  } else if ([type isEqualToString:@"error"]) {
-    NSString *code = json[@"code"] ?: @"";
-    NSString *message = json[@"message"] ?: @"";
-    dispatch_async(dispatch_get_main_queue(), ^{
-      if ([self.delegate respondsToSelector:@selector
-                         (voiceChatClientDidReceiveErrorCode:message:)]) {
-        [self.delegate voiceChatClientDidReceiveErrorCode:code
-                                                  message:message];
-      }
-    });
-  }
-}
-
-- (void)handleBinaryMessage:(NSData *)data {
-  if (data.length == 0) {
-    return;
-  }
-
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate
-            respondsToSelector:@selector(voiceChatClientDidReceiveAudioChunk:)]) {
-      [self.delegate voiceChatClientDidReceiveAudioChunk:data];
-    }
-  });
-}
-
-- (void)disconnectInternal {
-  self.connected = NO;
-  self.sessionId = nil;
-  self.audioSendingEnabled = NO;
-
-  if (self.webSocketTask) {
-    [self.webSocketTask
-        cancelWithCloseCode:NSURLSessionWebSocketCloseCodeNormalClosure
-                     reason:nil];
-    self.webSocketTask = nil;
-  }
-
-  if (self.urlSession) {
-    [self.urlSession invalidateAndCancel];
-    self.urlSession = nil;
-  }
-}
-
-- (void)reportError:(NSError *)error {
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector(voiceChatClientDidFail:)]) {
-      [self.delegate voiceChatClientDidFail:error];
-    }
-  });
-}
-
-- (void)reportErrorWithMessage:(NSString *)message {
-  NSError *error = [NSError errorWithDomain:kVoiceChatWebSocketClientErrorDomain
-                                       code:-1
-                                   userInfo:@{
-                                     NSLocalizedDescriptionKey : message ?: @""
-                                   }];
-  [self reportError:error];
-}
-
-- (void)notifyDisconnect:(NSError *_Nullable)error {
-  self.connected = NO;
-
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector
-                       (voiceChatClientDidDisconnect:)]) {
-      [self.delegate voiceChatClientDidDisconnect:error];
-    }
-  });
-}
-
-#pragma mark - NSURLSessionWebSocketDelegate
-
-- (void)URLSession:(NSURLSession *)session
-          webSocketTask:(NSURLSessionWebSocketTask *)webSocketTask
-    didOpenWithProtocol:(NSString *)protocol {
-  self.connected = YES;
-  NSLog(@"[VoiceChatWebSocketClient] Connected");
-  dispatch_async(dispatch_get_main_queue(), ^{
-    if ([self.delegate respondsToSelector:@selector(voiceChatClientDidConnect)]) {
-      [self.delegate voiceChatClientDidConnect];
-    }
-  });
-}
-
-- (void)URLSession:(NSURLSession *)session
-       webSocketTask:(NSURLSessionWebSocketTask *)webSocketTask
-    didCloseWithCode:(NSURLSessionWebSocketCloseCode)closeCode
-              reason:(NSData *)reason {
-  if (!self.webSocketTask) {
-    return;
-  }
-  NSLog(@"[VoiceChatWebSocketClient] Closed with code: %ld",
-        (long)closeCode);
-  [self notifyDisconnect:nil];
-  [self disconnectInternal];
-}
-
-@end

keyBoard/Class/Base/V/KBCustomTabBar.m

@@ -124,6 +124,13 @@
   for (NSInteger i = 0; i < self.buttons.count; i++) {
     UIButton *button = self.buttons[i];
     button.selected = (i == self.selectedIndex);
+
+    // 特殊处理：社区按钮（索引2）选中时文字颜色为白色
+    if (i == 2 && button.selected) {
+      [button setTitleColor:[UIColor whiteColor] forState:UIControlStateSelected];
+    } else if (i == 2) {
+      [button setTitleColor:[UIColor grayColor] forState:UIControlStateNormal];
+    }
   }
 }
 

keyBoard/Class/Home/VC/FunctionTest/KBKeyboardStressTestVC.h

@@ -0,0 +1,9 @@
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface KBKeyboardStressTestVC : BaseViewController
+
+@end
+
+NS_ASSUME_NONNULL_END

keyBoard/Class/Home/VC/FunctionTest/KBKeyboardStressTestVC.m

@@ -0,0 +1,142 @@
+#import "KBKeyboardStressTestVC.h"
+
+@interface KBKeyboardStressTestVC ()
+@property(nonatomic, strong) UITextView *textView;
+@property(nonatomic, strong) UIButton *startButton;
+@property(nonatomic, strong) UIButton *stopButton;
+@property(nonatomic, strong) UILabel *statusLabel;
+@property(nonatomic, assign) NSInteger currentCycle;
+@property(nonatomic, assign) NSInteger totalCycles;
+@property(nonatomic, assign) BOOL running;
+@end
+
+@implementation KBKeyboardStressTestVC
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    self.view.backgroundColor = UIColor.whiteColor;
+    self.title = @"键盘压力测试";
+    self.totalCycles = 200;
+    [self buildUI];
+    [self updateStatus];
+}
+
+- (void)viewWillDisappear:(BOOL)animated {
+    [super viewWillDisappear:animated];
+    [self stop];
+}
+
+- (void)buildUI {
+    CGFloat w = UIScreen.mainScreen.bounds.size.width;
+    
+    self.statusLabel = [[UILabel alloc] initWithFrame:CGRectMake(16, KB_NAV_TOTAL_HEIGHT + 16, w - 32, 22)];
+    self.statusLabel.font = [UIFont systemFontOfSize:13];
+    self.statusLabel.textColor = [UIColor colorWithWhite:0.2 alpha:1];
+    [self.view addSubview:self.statusLabel];
+    
+    self.textView = [[UITextView alloc] initWithFrame:CGRectMake(16, CGRectGetMaxY(self.statusLabel.frame) + 12, w - 32, 160)];
+    self.textView.text = @"把系统输入法切到自定义键盘后，点击开始，会反复显示/隐藏键盘。";
+    self.textView.layer.borderColor = [UIColor colorWithWhite:0 alpha:0.15].CGColor;
+    self.textView.layer.borderWidth = 0.5;
+    self.textView.layer.cornerRadius = 8;
+    [self.view addSubview:self.textView];
+    
+    CGFloat btnW = (w - 16 * 2 - 12) / 2.0;
+    self.startButton = [UIButton buttonWithType:UIButtonTypeSystem];
+    self.startButton.frame = CGRectMake(16, CGRectGetMaxY(self.textView.frame) + 16, btnW, 44);
+    self.startButton.layer.cornerRadius = 10;
+    self.startButton.backgroundColor = [UIColor colorWithRed:0.22 green:0.49 blue:0.96 alpha:1];
+    [self.startButton setTitleColor:UIColor.whiteColor forState:UIControlStateNormal];
+    [self.startButton setTitle:@"开始" forState:UIControlStateNormal];
+    [self.startButton addTarget:self action:@selector(onStart) forControlEvents:UIControlEventTouchUpInside];
+    [self.view addSubview:self.startButton];
+    
+    self.stopButton = [UIButton buttonWithType:UIButtonTypeSystem];
+    self.stopButton.frame = CGRectMake(CGRectGetMaxX(self.startButton.frame) + 12, CGRectGetMinY(self.startButton.frame), btnW, 44);
+    self.stopButton.layer.cornerRadius = 10;
+    self.stopButton.backgroundColor = [UIColor colorWithWhite:0.2 alpha:0.08];
+    [self.stopButton setTitleColor:[UIColor colorWithWhite:0.15 alpha:1] forState:UIControlStateNormal];
+    [self.stopButton setTitle:@"停止" forState:UIControlStateNormal];
+    [self.stopButton addTarget:self action:@selector(onStop) forControlEvents:UIControlEventTouchUpInside];
+    [self.view addSubview:self.stopButton];
+    
+    UIButton *oneCycleBtn = [UIButton buttonWithType:UIButtonTypeSystem];
+    oneCycleBtn.frame = CGRectMake(16, CGRectGetMaxY(self.startButton.frame) + 12, w - 32, 44);
+    oneCycleBtn.layer.cornerRadius = 10;
+    oneCycleBtn.backgroundColor = [UIColor colorWithWhite:0.2 alpha:0.08];
+    [oneCycleBtn setTitleColor:[UIColor colorWithWhite:0.15 alpha:1] forState:UIControlStateNormal];
+    [oneCycleBtn setTitle:@"执行 10 次" forState:UIControlStateNormal];
+    [oneCycleBtn addTarget:self action:@selector(onRunTen) forControlEvents:UIControlEventTouchUpInside];
+    [self.view addSubview:oneCycleBtn];
+}
+
+- (void)onStart {
+    self.totalCycles = 200;
+    [self start];
+}
+
+- (void)onRunTen {
+    self.totalCycles = 10;
+    [self start];
+}
+
+- (void)onStop {
+    [self stop];
+}
+
+- (void)start {
+    if (self.running) {
+        return;
+    }
+    self.running = YES;
+    self.currentCycle = 0;
+    [self updateStatus];
+    [self runNextCycle];
+}
+
+- (void)stop {
+    self.running = NO;
+    [self.textView resignFirstResponder];
+    [self updateStatus];
+}
+
+- (void)runNextCycle {
+    if (!self.running) {
+        return;
+    }
+    if (self.currentCycle >= self.totalCycles) {
+        [self stop];
+        return;
+    }
+    
+    self.currentCycle += 1;
+    [self updateStatus];
+    
+    __weak typeof(self) weakSelf = self;
+    [self.textView becomeFirstResponder];
+    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.18 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+        __strong typeof(weakSelf) self = weakSelf;
+        if (!self || !self.running) {
+            return;
+        }
+        [self.textView resignFirstResponder];
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.12 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+            __strong typeof(weakSelf) self = weakSelf;
+            if (!self) {
+                return;
+            }
+            [self runNextCycle];
+        });
+    });
+}
+
+- (void)updateStatus {
+    NSString *run = self.running ? @"运行中" : @"未运行";
+    self.statusLabel.text = [NSString stringWithFormat:@"状态：%@  |  进度：%ld/%ld", run, (long)self.currentCycle, (long)self.totalCycles];
+    self.startButton.enabled = !self.running;
+    self.startButton.alpha = self.running ? 0.5 : 1.0;
+    self.stopButton.enabled = self.running;
+    self.stopButton.alpha = self.running ? 1.0 : 0.5;
+}
+
+@end

keyBoard/Class/Pay/VC/KBPaySvipVC.m

@@ -96,7 +96,7 @@ static NSString * const kKBSvipBenefitHeaderId = @"kKBSvipBenefitHeaderId";
             // 过滤 level=2 的 SVIP 数据
             NSMutableArray<KBPayProductModel *> *svipProducts = [NSMutableArray array];
             for (KBPayProductModel *product in products) {
-                if (product.level == 1) {
+                if (product.level == 2) {
                     [svipProducts addObject:product];
                 }
             }

keyBoard/Class/Pay/VC/KBVipPay.m

@@ -135,7 +135,13 @@ static NSString * const kKBVipReviewListCellId = @"kKBVipReviewListCellId";
                 if (tip.length) { [KBHUD showInfo:tip]; }
                 return;
             }
-            self.plans = products ?: @[];
+            NSMutableArray<KBPayProductModel *> *vipProducts = [NSMutableArray array];
+            for (KBPayProductModel *product in products) {
+                if (product.level == 1) {
+                    [vipProducts addObject:product];
+                }
+            }
+            self.plans = vipProducts ?: @[];
             self.selectedIndex = self.plans.count > 0 ? 0 : NSNotFound;
             [self.collectionView reloadData];
             [self prepareStoreKitWithPlans:self.plans];