refactor(home): redesign home screen with sort bar and add recommendation feed

- Replace PagerView-based tabs with modern sort bar navigation
- Add "推荐" (recommended) feed option with "hot" sort type
- Update tab icons and labels to match new sort paradigm
- Optimize PostCard, MessageBubble conditional styles

perf(chat): migrate FlatList to FlashList for emoji/sticker panels

- Improve virtualized rendering performance for emoji and sticker grids
- Fix jump-to-latest scroll behavior for inverted FlashList

perf(profile): extract user header and tab bar into separate memoized renders

- Prevent unnecessary re-renders when switching tabs

feat(api): add channel_id filter support for post queries

- Include channel_id in cursor pagination requests
- Update CursorPaginationRequest type definition

style(chat-info): redesign group and private chat info screens with flat layout

- Remove card borders and shadows for cleaner appearance
- Adjust avatar sizes and spacing for consistency

src/screens/message/components/ChatScreen/styles.ts

@@ -711,8 +711,7 @@ export function createChatScreenStyles(colors: AppColors, dynamicStyles?: {
     marginTop: spacing.xs,
   },
   stickerGrid: {
-    flexDirection: 'row',
-    flexWrap: 'wrap',
+    flex: 1,
     paddingHorizontal: spacing.md,
     paddingTop: spacing.md,
     paddingBottom: spacing.xl,
@@ -1259,8 +1258,7 @@ export function createChatScreenStyles(colors: AppColors, dynamicStyles?: {
     color: colors.chat.textSecondary,
   },
   manageStickerGrid: {
-    flexDirection: 'row',
-    flexWrap: 'wrap',
+    flex: 1,
     paddingHorizontal: spacing.md,
     paddingTop: spacing.md,
     paddingBottom: spacing.xl,