1：修改ios26tabbar的问题

2：修改键盘AI点击必须要登录装填

keyBoard/Assets.xcassets/Ohter/ai_placehode_icon.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "filename" : "微信图片_20260226192149_128_935 (1).png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Class/AiTalk/V/Chat/KBPersonaChatCell.m

@@ -213,7 +213,7 @@ static NSString * const KBChatSessionDidResetNotification = @"KBChatSessionDidRe
     
     // 设置 UI
     [self.backgroundImageView sd_setImageWithURL:[NSURL URLWithString:persona.coverImageUrl]
-                                placeholderImage:[UIImage imageNamed:@"placeholder_bg"]];
+                                placeholderImage:[UIImage imageNamed:@"ai_placehode_icon"]];
     [self.avatarImageView sd_setImageWithURL:[NSURL URLWithString:persona.avatarUrl]
                             placeholderImage:[UIImage imageNamed:@"placeholder_avatar"]];
     self.nameLabel.text = persona.name;    

keyBoard/Info.plist

@@ -28,5 +28,7 @@
 	<array>
 		<string>audio</string>
 	</array>
+	<key>UIDesignRequiresCompatibility</key>
+	<true/>
 </dict>
 </plist>