feat(APKUpdate): implement APK update check and enhance build workflow

- Added `expo-intent-launcher` dependency to support APK launching functionality.
- Introduced `APKUpdateBootstrap` component to check for APK updates during app initialization.
- Enhanced build workflow in `build.yml` to resolve runtime version and upload APK to the updates server.
- Updated `HomeScreen` and `TabsLayout` to manage tab visibility and scroll behavior based on user interactions.
- Refactored message bubble styles for improved UI consistency and user experience.

src/theme/palettes.ts

@@ -76,8 +76,8 @@ export const lightColors = {
     link: '#4A88C7',
     success: '#34C759',
     danger: '#FF3B30',
-    bubbleOutgoing: '#E8E8E8',
-    bubbleIncoming: '#FFFFFF',
+    bubbleOutgoing: '#7CB9FF',  // 柔和的淡蓝色
+    bubbleIncoming: '#FFFFFF',  // 对方发的消息 - 纯白
     replyTint: '#DFF2FF',
     replyTintActive: '#CFEAFF',
     replyBorder: '#7FB6E6',