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/components/business/PostCard/PostCard.tsx

@@ -605,7 +605,7 @@ const PostCardInner: React.FC<PostCardProps> = (normalizedProps) => {
               size={14}
               color={post.is_liked ? colors.primary.main : colors.text.secondary}
             />
-            <Text style={[styles.gridLikeCount, post.is_liked && { color: colors.primary.main }]}>
+            <Text style={[styles.gridLikeCount, post.is_liked ? { color: colors.primary.main } : {}]}>
               {formatNumber(post.likes_count || 0)}
             </Text>
           </View>

src/screens/home/HomeScreen.tsx

@@ -23,13 +23,13 @@ import { FlashList, ListRenderItem, FlashListRef } from '@shopify/flash-list';
 import { SafeAreaView, useSafeAreaInsets } from 'react-native-safe-area-context';
 import { useRouter, useFocusEffect } from 'expo-router';
 import { MaterialCommunityIcons } from '@expo/vector-icons';
-import { PagerView } from '../../components/common';
+
 import { useAppColors, useResolvedColorScheme, spacing, borderRadius, shadows, type AppColors } from '../../theme';
 import { Post } from '../../types';
 import { useUserStore, useHomeTabBarVisibilityStore, useHomeTabPressStore } from '../../stores';
 import { useCurrentUser, useIsAuthenticated, useIsVerified, useVerificationStore } from '../../stores/auth';
 import { channelService, postService } from '../../services';
-import { PostCard, TabBar, SearchBar, ShareSheet } from '../../components/business';
+import { PostCard, SearchBar, ShareSheet } from '../../components/business';
 import type { PostCardAction } from '../../components/business/PostCard';
 import { Loading, EmptyState, Text, ImageGallery, ImageGridItem } from '../../components/common';
 import { useResponsive, useResponsiveSpacing } from '../../hooks/useResponsive';
@@ -40,8 +40,9 @@ import { CreatePostScreen } from '../create/CreatePostScreen';
 import * as hrefs from '../../navigation/hrefs';
 import { blurActiveElement } from '../../infrastructure/platform';
 
-const TABS = ['关注', '最新', '热门'];
+const SORT_OPTIONS = ['关注', '推荐', '最新'];
-const TAB_ICONS = ['account-heart-outline', 'clock-outline', 'fire'];
+const SORT_ICONS = ['account-heart', 'fire', 'clock-outline'];
+const SORT_TYPES: PostType[] = ['follow', 'hot', 'latest'];
 const DEFAULT_PAGE_SIZE = 20;
 const MOBILE_TAB_BAR_HEIGHT = 64;
 const MOBILE_TAB_FLOATING_MARGIN = 12;
@@ -83,13 +84,20 @@ function createHomeStyles(colors: AppColors) {
       alignItems: 'center',
       justifyContent: 'center',
     },
-    capsuleWrapper: {
+    sortBar: {
-      paddingBottom: spacing.sm,
+      flexDirection: 'row',
+      alignItems: 'center',
+      paddingHorizontal: spacing.md,
+      paddingVertical: spacing.xs,
       backgroundColor: colors.background.paper,
     },
-    capsuleList: {
+    sortBarCapsuleScroll: {
+      flex: 1,
+      marginHorizontal: spacing.xs,
+    },
+    sortBarCapsuleContent: {
       gap: spacing.xs,
-      paddingRight: spacing.lg,
+      alignItems: 'center',
     },
     capsuleItem: {
       paddingHorizontal: spacing.md,
@@ -104,12 +112,21 @@ function createHomeStyles(colors: AppColors) {
     capsuleTextActive: {
       color: colors.primary.main,
     },
+    sortTrigger: {
+      flexDirection: 'row',
+      alignItems: 'center',
+      paddingVertical: 4,
+      paddingHorizontal: 2,
+    },
+    sortTriggerText: {
+      fontSize: 13,
+      fontWeight: '600',
+      color: colors.text.secondary,
+      marginLeft: 2,
+    },
     listContent: {
       flexGrow: 1,
     },
-    listHeader: {
-      width: '100%',
-    },
     contentContainer: {
       flex: 1,
     },
@@ -181,7 +198,7 @@ export const HomeScreen: React.FC = () => {
   const responsiveGap = useResponsiveSpacing({ xs: 4, sm: 6, md: 8, lg: 12, xl: 16 });
   const responsivePadding = useResponsiveSpacing({ xs: 8, sm: 12, md: 16, lg: 24, xl: 32 });
   
-  const [activeIndex, setActiveIndex] = useState(1);
+  const [sortIndex, setSortIndex] = useState(0);
   const [viewMode, setViewMode] = useState<ViewMode>('list');
   const [latestCapsules, setLatestCapsules] = useState<LatestCapsule[]>([{ id: '', name: '全部' }]);
   const [activeCapsuleId, setActiveCapsuleId] = useState('');
@@ -217,9 +234,6 @@ export const HomeScreen: React.FC = () => {
   const postIdsRef = useRef<Set<string>>(new Set());
    
   const isLoadingMoreRef = useRef(false);
-  
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  const pagerRef = useRef<any>(null);
 
   const setBottomTabBarHiddenByScroll = useHomeTabBarVisibilityStore((s) => s.setBottomTabBarHiddenByScroll);
   const bottomTabBarHiddenByScroll = useHomeTabBarVisibilityStore((s) => s.bottomTabBarHiddenByScroll);
@@ -325,28 +339,28 @@ export const HomeScreen: React.FC = () => {
     return map;
   }, [storePosts]);
 
-  // 获取当前 tab 对应的帖子类型
+  // 获取当前排序对应的帖子类型
   const getPostType = useCallback((): PostType => {
-    switch (activeIndex) {
+    return SORT_TYPES[sortIndex] ?? 'hot';
-      case 0: return 'follow';
+  }, [sortIndex]);
-      case 1: return 'latest';
-      case 2: return 'hot';
-      default: return 'latest';
-    }
-  }, [activeIndex]);
 
-  const isLatestTab = activeIndex === 1;
+  const currentChannelId = activeCapsuleId || undefined;
-  const currentChannelId = isLatestTab && activeCapsuleId ? activeCapsuleId : undefined;
 
   useEffect(() => {
     homeListScrollYRef.current = 0;
     setBottomTabBarHiddenByScroll(false);
-  }, [activeIndex, currentChannelId, viewMode, setBottomTabBarHiddenByScroll]);
+  }, [sortIndex, currentChannelId, setBottomTabBarHiddenByScroll]);
+
+  useEffect(() => {
+    requestAnimationFrame(() => {
+      flashListRef.current?.scrollToOffset({ offset: 0, animated: false });
+      scrollViewRef.current?.scrollTo({ y: 0, animated: false });
+    });
+  }, [viewMode]);
 
   useLayoutEffect(() => {
-    if (!isLatestTab) return;
     restoreCapsuleStripScroll();
-  }, [isLatestTab, activeCapsuleId, latestCapsules.length, restoreCapsuleStripScroll]);
+  }, [activeCapsuleId, latestCapsules.length, restoreCapsuleStripScroll]);
 
   // 使用差异更新 Hook 获取帖子列表
   const listKey = useMemo(
@@ -419,13 +433,10 @@ export const HomeScreen: React.FC = () => {
     }
   }, [listKey, getPostType, currentChannelId]);
 
-  // Tab 切换时刷新数据并重置列表
   useEffect(() => {
     let cancelled = false;
     const run = async () => {
       reset();
-      // reset 会清空 store 中的状态，但异步订阅可能有延迟；
-      // 等一帧确保 store 的订阅回调已传播到 useDifferentialPosts
       await new Promise(resolve => requestAnimationFrame(resolve));
       if (!cancelled) {
         await refresh();
@@ -434,7 +445,7 @@ export const HomeScreen: React.FC = () => {
     run();
     return () => { cancelled = true; };
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [activeIndex, currentChannelId]);
+  }, [sortIndex, currentChannelId]);
 
   // 将获取到的原始帖子与 store 中的状态合并
   // 这样 UI 始终显示的是 store 中的最新状态（包括点赞、收藏等）
@@ -511,23 +522,13 @@ export const HomeScreen: React.FC = () => {
     setViewMode(prev => prev === 'list' ? 'grid' : 'list');
   };
 
-  // 切换Tab（点击 TabBar 或手势滑动）
+  // 切换排序
-  const changeTab = useCallback((nextIndex: number) => {
+  const changeSort = useCallback((nextIndex: number) => {
-    if (nextIndex < 0 || nextIndex >= TABS.length || nextIndex === activeIndex) {
+    if (nextIndex < 0 || nextIndex >= SORT_OPTIONS.length || nextIndex === sortIndex) {
       return;
     }
-    setActiveIndex(nextIndex);
+    setSortIndex(nextIndex);
-    if (Platform.OS !== 'web') {
+  }, [sortIndex]);
-      pagerRef.current?.setPage(nextIndex);
-    }
-  }, [activeIndex]);
-  
-  const onPagerPageSelected = useCallback((e: { nativeEvent: { position: number } }) => {
-    const nextIndex = e.nativeEvent.position;
-    if (nextIndex !== activeIndex) {
-      setActiveIndex(nextIndex);
-    }
-  }, [activeIndex]);
 
   useEffect(() => {
     const loadChannels = async () => {
@@ -669,46 +670,41 @@ export const HomeScreen: React.FC = () => {
     setShowCreatePost(true);
   };
 
-  const renderLatestCapsules = () => {
+  const renderChannelCapsules = () => {
-    if (!isLatestTab) {
-      return null;
-    }
-
     return (
-      <View style={[styles.capsuleWrapper, { paddingHorizontal: responsivePadding }]}>
+      <ScrollView
-        <ScrollView
+        ref={capsuleHScrollRef}
-          ref={capsuleHScrollRef}
+        horizontal
-          horizontal
+        showsHorizontalScrollIndicator={false}
-          showsHorizontalScrollIndicator={false}
+        nestedScrollEnabled
-          nestedScrollEnabled
+        style={styles.sortBarCapsuleScroll}
-          contentContainerStyle={styles.capsuleList}
+        contentContainerStyle={styles.sortBarCapsuleContent}
-          onScroll={onCapsuleHorizontalScroll}
+        onScroll={onCapsuleHorizontalScroll}
-          scrollEventThrottle={16}
+        scrollEventThrottle={16}
-          onContentSizeChange={restoreCapsuleStripScroll}
+        onContentSizeChange={restoreCapsuleStripScroll}
-        >
+      >
-          {latestCapsules.map((item) => {
+        {latestCapsules.map((item) => {
-            const isActive = item.id === activeCapsuleId;
+          const isActive = item.id === activeCapsuleId;
-            return (
+          return (
-              <TouchableOpacity
+            <TouchableOpacity
-                key={item.id || 'all'}
+              key={item.id || 'all'}
-                activeOpacity={0.85}
+              activeOpacity={0.85}
-                onPress={() => setActiveCapsuleId(item.id)}
+              onPress={() => setActiveCapsuleId(item.id)}
-                style={styles.capsuleItem}
+              style={styles.capsuleItem}
+            >
+              <Text
+                style={
+                  isActive
+                    ? { ...styles.capsuleText, ...styles.capsuleTextActive }
+                    : styles.capsuleText
+                }
               >
-                <Text
+                {item.name}
-                  style={
+              </Text>
-                    isActive
+            </TouchableOpacity>
-                      ? { ...styles.capsuleText, ...styles.capsuleTextActive }
+          );
-                      : styles.capsuleText
+        })}
-                  }
+      </ScrollView>
-                >
-                  {item.name}
-                </Text>
-              </TouchableOpacity>
-            );
-          })}
-        </ScrollView>
-      </View>
     );
   };
 
@@ -758,6 +754,7 @@ export const HomeScreen: React.FC = () => {
   const renderResponsiveGrid = () => {
     return (
       <FlashList
+        key={`${listKey}_grid`}
         ref={scrollViewRef as any}
         data={displayPosts}
         renderItem={renderGridItem}
@@ -765,8 +762,6 @@ export const HomeScreen: React.FC = () => {
         numColumns={gridColumns}
         masonry
         optimizeItemArrangement
-        ListHeaderComponent={renderLatestCapsules()}
-        ListHeaderComponentStyle={styles.listHeader}
         contentContainerStyle={{
           paddingHorizontal: responsivePadding,
           paddingBottom: 80 + responsivePadding,
@@ -798,10 +793,10 @@ export const HomeScreen: React.FC = () => {
     return (
       <EmptyState
         title="暂无内容"
-        description={activeIndex === 1 ? '关注一些用户来获取内容吧' : '暂无帖子，快去发布第一条内容吧'}
+        description="暂无帖子，快去发布第一条内容吧"
       />
     );
-  }, [activeIndex, isInitialLoading]);
+  }, [isInitialLoading]);
 
   // 渲染列表内容
   const renderListContent = () => {
@@ -813,12 +808,11 @@ export const HomeScreen: React.FC = () => {
     // 移动端和宽屏都使用单列 FlashList，宽屏下居中显示
     return (
       <FlashList
+        key={listKey}
         ref={flashListRef}
         data={displayPosts}
         renderItem={renderPostList}
         keyExtractor={keyExtractor}
-        ListHeaderComponent={renderLatestCapsules()}
-        ListHeaderComponentStyle={styles.listHeader}
         contentContainerStyle={{
           paddingHorizontal: listHorizontalPadding,
           paddingBottom: 80 + responsivePadding,
@@ -873,74 +867,45 @@ export const HomeScreen: React.FC = () => {
           />
         </View>
         
-        {/* Tab切换 */}
+        {/* 排序筛选 + 频道 */}
-        <TabBar
+        <View style={styles.sortBar}>
-          tabs={TABS}
+          <TouchableOpacity onPress={toggleViewMode} style={styles.viewToggleBtn}>
-          icons={TAB_ICONS}
+            <MaterialCommunityIcons
-          activeIndex={activeIndex}
+              name={viewMode === 'list' ? 'view-grid-outline' : 'view-list'}
-          onTabChange={changeTab}
+              size={22}
-          variant="modern"
+              color="#666"
-          style={styles.homeTabBar}
+            />
-          rightContent={
+          </TouchableOpacity>
-            <TouchableOpacity onPress={toggleViewMode} style={styles.viewToggleBtn}>
+
-              <MaterialCommunityIcons
+          {renderChannelCapsules()}
-                name={viewMode === 'list' ? 'view-grid-outline' : 'view-list'}
+
-                size={22}
+          <TouchableOpacity
-                color="#666"
+            activeOpacity={0.7}
-              />
+            onPress={() => changeSort((sortIndex + 1) % SORT_OPTIONS.length)}
-            </TouchableOpacity>
+            style={styles.sortTrigger}
-          }
+          >
-        />
+            <MaterialCommunityIcons
+              name={SORT_ICONS[sortIndex] as any}
+              size={18}
+              color={colors.text.secondary}
+            />
+            <Text style={styles.sortTriggerText}>
+              {SORT_OPTIONS[sortIndex]}
+            </Text>
+          </TouchableOpacity>
+        </View>
       </View>
 
       {/* 帖子列表 */}
-      {Platform.OS === 'web' ? (
+      <View style={styles.contentContainer}>
-        <View style={styles.contentContainer}>
+        {isInitialLoading ? (
-          {isInitialLoading ? (
+          <Loading fullScreen />
-            <Loading fullScreen />
+        ) : viewMode === 'list' ? (
-          ) : viewMode === 'list' ? (
+          renderListContent()
-            renderListContent()
+        ) : (
-          ) : (
+          renderResponsiveGrid()
-            renderResponsiveGrid()
+        )}
-          )}
+      </View>
-        </View>
-      ) : (
-        <PagerView
-          ref={pagerRef}
-          style={styles.contentContainer}
-          initialPage={activeIndex}
-          onPageSelected={onPagerPageSelected}
-          overdrag
-        >
-          <View key="follow" collapsable={false} style={styles.contentContainer}>
-            {isInitialLoading && activeIndex === 0 ? (
-              <Loading fullScreen />
-            ) : activeIndex === 0 ? (
-              viewMode === 'list' ? renderListContent() : renderResponsiveGrid()
-            ) : (
-              <View style={styles.contentContainer} />
-            )}
-          </View>
-          <View key="latest" collapsable={false} style={styles.contentContainer}>
-            {isInitialLoading && activeIndex === 1 ? (
-              <Loading fullScreen />
-            ) : activeIndex === 1 ? (
-              viewMode === 'list' ? renderListContent() : renderResponsiveGrid()
-            ) : (
-              <View style={styles.contentContainer} />
-            )}
-          </View>
-          <View key="hot" collapsable={false} style={styles.contentContainer}>
-            {isInitialLoading && activeIndex === 2 ? (
-              <Loading fullScreen />
-            ) : activeIndex === 2 ? (
-              viewMode === 'list' ? renderListContent() : renderResponsiveGrid()
-            ) : (
-              <View style={styles.contentContainer} />
-            )}
-          </View>
-        </PagerView>
-      )}
 
       {/* 漂浮发帖按钮 */}
       <TouchableOpacity

src/screens/message/GroupInfoScreen.tsx

@@ -608,12 +608,12 @@ const GroupInfoScreen: React.FC = () => {
         contentContainerStyle={styles.scrollContent}
         showsVerticalScrollIndicator={false}
       >
-        {/* 群组基本信息卡片 */}
+        {/* 群组基本信息 */}
         <View style={styles.headerCard}>
           <View style={styles.groupHeader}>
             <Avatar
               source={group.avatar}
-              size={90}
+              size={80}
               name={group.name}
             />
             <View style={styles.groupInfo}>
@@ -621,7 +621,7 @@ const GroupInfoScreen: React.FC = () => {
                 {group.name}
               </Text>
               <View style={styles.groupMeta}>
-                <MaterialCommunityIcons name="account-group" size={16} color={colors.text.secondary} />
+                <MaterialCommunityIcons name="account-group" size={14} color={colors.text.secondary} />
                 <Text variant="caption" color={colors.text.secondary}>
                   {group.member_count} 人
                 </Text>
@@ -661,7 +661,7 @@ const GroupInfoScreen: React.FC = () => {
           )}
         </View>
 
-        {/* 群公告卡片 */}
+        {/* 群公告 */}
         {announcements.length > 0 && (
           <View style={styles.card}>
             <View style={styles.cardHeader}>
@@ -684,7 +684,7 @@ const GroupInfoScreen: React.FC = () => {
           </View>
         )}
 
-        {/* 成员预览卡片 */}
+        {/* 成员预览 */}
         <View style={styles.card}>
           <TouchableOpacity style={styles.cardHeader} onPress={goToMembers} activeOpacity={0.7}>
             <View style={styles.cardIconContainer}>
@@ -813,6 +813,7 @@ const GroupInfoScreen: React.FC = () => {
                 thumbColor={isPinned ? colors.primary.main : colors.background.paper}
               />
             </View>
+            <Divider style={styles.settingDivider} />
             <View style={styles.settingItem}>
               <View style={styles.settingIconContainer}>
                 <MaterialCommunityIcons name="bell-off-outline" size={20} color={colors.primary.main} />
@@ -1126,22 +1127,20 @@ function createGroupInfoStyles(colors: AppColors) {
   return StyleSheet.create({
   container: {
     flex: 1,
-    backgroundColor: colors.background.default,
+    backgroundColor: colors.background.paper,
   },
   pageHeader: {
     flexDirection: 'row',
     alignItems: 'center',
     justifyContent: 'space-between',
-    paddingHorizontal: spacing.md,
+    paddingHorizontal: spacing.lg,
     paddingVertical: spacing.md,
     backgroundColor: colors.background.paper,
-    borderBottomWidth: 0.5,
+    borderBottomWidth: 0,
-    borderBottomColor: colors.divider + '60',
   },
   pageTitle: {
-    fontWeight: '700',
+    fontWeight: '600',
     fontSize: fontSizes.xl,
-    letterSpacing: 0.5,
   },
     pageHeaderPlaceholder: {
       width: 40,
@@ -1151,7 +1150,7 @@ function createGroupInfoStyles(colors: AppColors) {
     flex: 1,
   },
   scrollContent: {
-    padding: spacing.md,
+    paddingHorizontal: spacing.lg,
     paddingBottom: spacing.xl * 2,
   },
   errorContainer: {
@@ -1160,29 +1159,25 @@ function createGroupInfoStyles(colors: AppColors) {
     alignItems: 'center',
   },
 
-  // 头部卡片样式 - 扁平化设计
+  // 头部区域 - 扁平化无卡片
   headerCard: {
     backgroundColor: colors.background.paper,
-    borderRadius: borderRadius.xl,
+    paddingVertical: spacing.lg,
-    padding: spacing.lg,
     marginBottom: spacing.md,
-    borderWidth: 0.5,
-    borderColor: colors.divider + '40',
   },
   groupHeader: {
     flexDirection: 'row',
     alignItems: 'center',
-    marginBottom: spacing.md,
+    marginBottom: spacing.lg,
   },
   groupInfo: {
     marginLeft: spacing.lg,
     flex: 1,
   },
   groupName: {
-    fontWeight: '800',
+    fontWeight: '700',
-    fontSize: fontSizes.xl + 2,
+    fontSize: fontSizes['2xl'],
     marginBottom: spacing.xs,
-    letterSpacing: 0.3,
   },
   groupMeta: {
     flexDirection: 'row',
@@ -1213,8 +1208,6 @@ function createGroupInfoStyles(colors: AppColors) {
     backgroundColor: colors.background.default,
     borderRadius: borderRadius.lg,
     padding: spacing.md,
-    borderWidth: 0.5,
-    borderColor: colors.divider + '30',
   },
   groupDesc: {
     marginLeft: spacing.sm,
@@ -1223,19 +1216,16 @@ function createGroupInfoStyles(colors: AppColors) {
     fontWeight: '400',
   },
 
-  // 通用卡片样式 - 扁平化
+  // 通用卡片样式 - 扁平化：无阴影无圆角，使用分割线
   card: {
     backgroundColor: colors.background.paper,
-    borderRadius: borderRadius.xl,
-    padding: spacing.lg,
     marginBottom: spacing.md,
-    borderWidth: 0.5,
-    borderColor: colors.divider + '40',
   },
   cardHeader: {
     flexDirection: 'row',
     alignItems: 'center',
     marginBottom: spacing.md,
+    paddingTop: spacing.sm,
   },
   cardIconContainer: {
     width: 36,
@@ -1247,13 +1237,12 @@ function createGroupInfoStyles(colors: AppColors) {
     marginRight: spacing.sm,
   },
   cardTitle: {
-    fontWeight: '700',
+    fontWeight: '600',
-    fontSize: fontSizes.md + 1,
+    fontSize: fontSizes.md,
     flex: 1,
-    letterSpacing: 0.3,
   },
 
-  // 公告样式 - 更现代的卡片
+  // 公告样式 - 扁平化
   announcementContent: {
     backgroundColor: colors.warning.light + '08',
     borderRadius: borderRadius.lg,
@@ -1324,7 +1313,7 @@ function createGroupInfoStyles(colors: AppColors) {
     fontSize: fontSizes.sm,
   },
 
-  // 邀请按钮样式 - 更加醒目
+  // 邀请按钮样式 - 扁平化
   inviteButton: {
     flexDirection: 'row',
     alignItems: 'center',
@@ -1348,25 +1337,23 @@ function createGroupInfoStyles(colors: AppColors) {
   inviteButtonText: {
     fontWeight: '700',
     marginRight: spacing.xs,
-    letterSpacing: 0.3,
   },
 
-  // 设置项样式 - 更加扁平
+  // 设置项样式 - 扁平化：无圆角背景，简洁分割线
   settingsList: {
-    marginTop: spacing.sm,
+    marginTop: 0,
   },
   settingItem: {
     flexDirection: 'row',
     alignItems: 'center',
     paddingVertical: spacing.md,
-    borderRadius: borderRadius.md,
+    paddingHorizontal: 0,
-    paddingHorizontal: spacing.sm,
+    marginLeft: 0,
-    marginLeft: -spacing.sm,
+    marginRight: 0,
-    marginRight: -spacing.sm,
   },
   settingIconContainer: {
-    width: 40,
+    width: 36,
-    height: 40,
+    height: 36,
     borderRadius: borderRadius.md,
     backgroundColor: colors.background.default,
     justifyContent: 'center',
@@ -1384,18 +1371,16 @@ function createGroupInfoStyles(colors: AppColors) {
     fontWeight: '600',
   },
   settingDivider: {
-    marginLeft: 56,
+    marginLeft: 52,
     width: 'auto',
-    marginVertical: spacing.xs,
+    marginVertical: 0,
     opacity: 0.5,
   },
 
-  // 危险操作卡片 - 更加醒目
+  // 危险操作区域 - 扁平化
   dangerCard: {
     padding: 0,
     overflow: 'hidden',
-    borderTopWidth: 1,
-    borderTopColor: colors.error.light + '30',
     marginTop: spacing.sm,
   },
   dangerButton: {
@@ -1404,14 +1389,12 @@ function createGroupInfoStyles(colors: AppColors) {
     justifyContent: 'center',
     paddingVertical: spacing.lg,
     gap: spacing.sm,
-    backgroundColor: colors.error.light + '08',
   },
   dangerButtonText: {
-    fontWeight: '700',
+    fontWeight: '600',
-    letterSpacing: 0.3,
   },
 
-  // 模态框样式 - 更现代
+  // 模态框样式 - 扁平化
   modalOverlay: {
     flex: 1,
     backgroundColor: 'rgba(0, 0, 0, 0.45)',
@@ -1440,20 +1423,18 @@ function createGroupInfoStyles(colors: AppColors) {
     minWidth: 60,
   },
   modalTitle: {
-    fontWeight: '800',
+    fontWeight: '700',
-    fontSize: fontSizes.xl + 1,
+    fontSize: fontSizes.xl,
-    letterSpacing: 0.5,
   },
   saveButton: {
-    fontWeight: '700',
+    fontWeight: '600',
-    letterSpacing: 0.3,
   },
   confirmButton: {
-    fontWeight: '700',
+    fontWeight: '600',
     textAlign: 'right',
   },
 
-  // 编辑表单样式 - 更现代
+  // 编辑表单样式 - 扁平化
   editForm: {
     alignItems: 'center',
   },
@@ -1465,7 +1446,7 @@ function createGroupInfoStyles(colors: AppColors) {
     width: 90,
     height: 90,
     borderRadius: 45,
-    borderWidth: 3,
+    borderWidth: 2,
     borderColor: colors.primary.light + '40',
   },
   editAvatarPlaceholder: {
@@ -1496,9 +1477,8 @@ function createGroupInfoStyles(colors: AppColors) {
   },
   editLabel: {
     marginBottom: spacing.sm,
-    fontWeight: '700',
+    fontWeight: '600',
-    fontSize: fontSizes.sm + 1,
+    fontSize: fontSizes.sm,
-    letterSpacing: 0.3,
   },
   editInput: {
     backgroundColor: colors.background.default,
@@ -1507,7 +1487,7 @@ function createGroupInfoStyles(colors: AppColors) {
     paddingVertical: spacing.md,
     fontSize: fontSizes.md,
     color: colors.text.primary,
-    borderWidth: 1.5,
+    borderWidth: 1,
     borderColor: colors.divider + '80',
     fontWeight: '400',
   },
@@ -1533,7 +1513,7 @@ function createGroupInfoStyles(colors: AppColors) {
     padding: spacing.md,
     fontSize: fontSizes.md,
     color: colors.text.primary,
-    borderWidth: 1.5,
+    borderWidth: 1,
     borderColor: colors.divider + '80',
     lineHeight: 22,
     textAlignVertical: 'top',
@@ -1553,14 +1533,14 @@ function createGroupInfoStyles(colors: AppColors) {
     alignItems: 'center',
     padding: spacing.md,
     borderRadius: borderRadius.lg,
-    borderWidth: 1.5,
+    borderWidth: 1,
     borderColor: colors.divider + '80',
     backgroundColor: colors.background.default,
   },
   joinTypeItemSelected: {
     borderColor: colors.primary.main,
     backgroundColor: colors.primary.light + '12',
-    borderWidth: 2,
+    borderWidth: 1.5,
   },
   joinTypeIcon: {
     width: 48,
@@ -1602,7 +1582,7 @@ function createGroupInfoStyles(colors: AppColors) {
   },
   transferItemSelected: {
     backgroundColor: colors.primary.light + '12',
-    borderWidth: 1.5,
+    borderWidth: 1,
     borderColor: colors.primary.light + '60',
   },
   transferItemInfo: {
@@ -1681,7 +1661,7 @@ function createGroupInfoStyles(colors: AppColors) {
   },
   friendItemSelected: {
     backgroundColor: colors.primary.light + '12',
-    borderWidth: 1.5,
+    borderWidth: 1,
     borderColor: colors.primary.light + '60',
   },
   friendInfo: {

src/screens/message/PrivateChatInfoScreen.tsx

@@ -16,7 +16,7 @@ import {
 import { SafeAreaView } from 'react-native-safe-area-context';
 import { useRouter, useLocalSearchParams } from 'expo-router';
 import { MaterialCommunityIcons } from '@expo/vector-icons';
-import { spacing, borderRadius, shadows, useAppColors, type AppColors } from '../../theme';
+import { spacing, borderRadius, shadows, fontSizes, useAppColors, type AppColors } from '../../theme';
 import { useAuthStore } from '../../stores';
 import { authService } from '@/services/auth';
 import { messageService } from '@/services/message';
@@ -336,7 +336,7 @@ const PrivateChatInfoScreen: React.FC = () => {
         contentContainerStyle={styles.scrollContent}
         showsVerticalScrollIndicator={false}
       >
-        {/* 用户基本信息卡片 */}
+        {/* 用户基本信息 */}
         <View style={styles.headerCard}>
           <TouchableOpacity
             style={styles.userHeader}
@@ -345,7 +345,7 @@ const PrivateChatInfoScreen: React.FC = () => {
           >
             <Avatar
               source={displayUser.avatar}
-              size={90}
+              size={80}
               name={displayUser.nickname || ''}
             />
             <View style={styles.userInfo}>
@@ -421,20 +421,20 @@ function createPrivateChatInfoStyles(colors: AppColors) {
   return StyleSheet.create({
     container: {
       flex: 1,
-      backgroundColor: colors.background.default,
+      backgroundColor: colors.background.paper,
     },
     pageHeader: {
       flexDirection: 'row',
       alignItems: 'center',
       justifyContent: 'space-between',
-      paddingHorizontal: spacing.md,
+      paddingHorizontal: spacing.lg,
-      paddingVertical: spacing.sm,
+      paddingVertical: spacing.md,
       backgroundColor: colors.background.paper,
-      borderBottomWidth: 1,
+      borderBottomWidth: 0,
-      borderBottomColor: colors.divider,
     },
     pageTitle: {
       fontWeight: '600',
+      fontSize: fontSizes.xl,
     },
     pageHeaderPlaceholder: {
       width: 40,
@@ -444,15 +444,13 @@ function createPrivateChatInfoStyles(colors: AppColors) {
       flex: 1,
     },
     scrollContent: {
+      paddingHorizontal: spacing.lg,
       paddingBottom: spacing.xl,
     },
     headerCard: {
       backgroundColor: colors.background.paper,
-      marginHorizontal: spacing.md,
+      paddingVertical: spacing.lg,
-      marginTop: spacing.md,
+      marginBottom: spacing.md,
-      borderRadius: borderRadius.lg,
-      padding: spacing.lg,
-      ...shadows.sm,
     },
     userHeader: {
       flexDirection: 'row',
@@ -460,58 +458,61 @@ function createPrivateChatInfoStyles(colors: AppColors) {
     },
     userInfo: {
       flex: 1,
-      marginLeft: spacing.md,
+      marginLeft: spacing.lg,
     },
     userName: {
-      fontWeight: '600',
+      fontWeight: '700',
+      fontSize: fontSizes['2xl'],
       marginBottom: spacing.xs,
     },
     section: {
       marginTop: spacing.lg,
-      paddingHorizontal: spacing.md,
     },
     sectionTitle: {
       marginBottom: spacing.sm,
       marginLeft: spacing.sm,
       fontWeight: '500',
+      fontSize: fontSizes.sm,
+      color: colors.text.secondary,
     },
     card: {
       backgroundColor: colors.background.paper,
-      borderRadius: borderRadius.lg,
-      ...shadows.sm,
       overflow: 'hidden',
     },
     settingItem: {
       flexDirection: 'row',
       alignItems: 'center',
-      paddingVertical: spacing.sm,
+      paddingVertical: spacing.md,
-      paddingHorizontal: spacing.md,
+      paddingHorizontal: 0,
     },
     settingIconContainer: {
       width: 36,
       height: 36,
       borderRadius: borderRadius.md,
-      backgroundColor: colors.primary.light + '20',
+      backgroundColor: colors.background.default,
       justifyContent: 'center',
       alignItems: 'center',
       marginRight: spacing.md,
     },
     settingIconDanger: {
-      backgroundColor: colors.error.light + '20',
+      backgroundColor: colors.error.light + '15',
     },
     settingTitle: {
       flex: 1,
     },
     dangerText: {
       color: colors.error.main,
+      fontWeight: '600',
     },
     divider: {
-      marginLeft: spacing.xl + 36,
+      marginLeft: 52,
       width: 'auto',
-      marginVertical: spacing.xs,
+      marginVertical: 0,
     },
     deleteButton: {
       marginTop: spacing.sm,
+      borderRadius: borderRadius.lg,
+      height: 52,
     },
   });
 }

src/screens/message/components/ChatScreen/EmojiPanel.tsx

@@ -5,7 +5,8 @@
  */
 
 import React, { useState, useEffect, useCallback, useMemo } from 'react';
-import { View, TouchableOpacity, ActivityIndicator, Modal, Alert, Dimensions, StyleSheet, FlatList, ListRenderItem, Platform } from 'react-native';
+import { View, TouchableOpacity, ActivityIndicator, Modal, Alert, Dimensions, StyleSheet, Platform } from 'react-native';
+import { FlashList, ListRenderItem } from '@shopify/flash-list';
 import { Image as ExpoImage } from 'expo-image';
 import { MaterialCommunityIcons } from '@expo/vector-icons';
 import * as ImagePicker from 'expo-image-picker';
@@ -72,8 +73,7 @@ export const EmojiPanel: React.FC<EmojiPanelProps> = ({
     return StyleSheet.create({
       ...baseStyles,
       emojiContainer: {
-        flexDirection: 'row',
+        flex: 1,
-        flexWrap: 'wrap',
         padding: spacing.sm,
       },
       emojiItem: {
@@ -160,26 +160,19 @@ export const EmojiPanel: React.FC<EmojiPanelProps> = ({
     </View>
   ), [styles.emojiItem, styles.emojiText, handleEmojiPress]);
 
-  // 渲染 Emoji 面板（使用 FlatList 虚拟化，只渲染可见行）
+  // 渲染 Emoji 面板（使用 FlashList 虚拟化，只渲染可见行）
   const renderEmojiPanel = () => (
-    <FlatList
+    <View style={styles.emojiContainer}>
-      key="emoji-flatlist"
+      <FlashList
-      data={emojiRows}
+        key="emoji-flatlist"
-      keyExtractor={(item) => item.id}
+        data={emojiRows}
-      renderItem={renderEmojiRow}
+        keyExtractor={(item) => item.id}
-      contentContainerStyle={styles.emojiContainer}
+        renderItem={renderEmojiRow}
-      showsVerticalScrollIndicator={true}
+        showsVerticalScrollIndicator={true}
-      keyboardShouldPersistTaps="handled"
+        keyboardShouldPersistTaps="handled"
-      initialNumToRender={12}
+        style={{ flex: 1 }}
-      maxToRenderPerBatch={12}
+      />
-      windowSize={5}
+    </View>
-      removeClippedSubviews={true}
-      getItemLayout={(_data, index) => ({
-        length: 60,
-        offset: 60 * index,
-        index,
-      })}
-    />
   );
 
   // 添加表情（从相册选择）
@@ -347,20 +340,18 @@ export const EmojiPanel: React.FC<EmojiPanelProps> = ({
     }
 
     return (
-      <FlatList
+      <View style={styles.stickerGrid}>
-        key="sticker-flatlist"
+        <FlashList
-        data={stickerListData}
+          key="sticker-flatlist"
-        numColumns={4}
+          data={stickerListData}
-        keyExtractor={(item) => item.type === 'manage' ? 'manage-button' : item.sticker.id}
+          numColumns={4}
-        renderItem={renderStickerListItem}
+          keyExtractor={(item) => item.type === 'manage' ? 'manage-button' : item.sticker.id}
-        contentContainerStyle={styles.stickerGrid}
+          renderItem={renderStickerListItem}
-        showsVerticalScrollIndicator={false}
+          showsVerticalScrollIndicator={false}
-        keyboardShouldPersistTaps="handled"
+          keyboardShouldPersistTaps="handled"
-        initialNumToRender={16}
+          style={{ flex: 1 }}
-        maxToRenderPerBatch={16}
+        />
-        windowSize={7}
+      </View>
-        removeClippedSubviews={true}
-      />
     );
   };
 
@@ -494,19 +485,17 @@ export const EmojiPanel: React.FC<EmojiPanelProps> = ({
               <ActivityIndicator size="large" color={colors.primary.main} />
             </View>
           ) : (
-            <FlatList
+            <View style={styles.manageStickerGrid}>
-              data={manageListData}
+              <FlashList
-              numColumns={4}
+                data={manageListData}
-              keyExtractor={(item) => item.type === 'add' ? 'manage-add-button' : item.sticker.id}
+                numColumns={4}
-              renderItem={renderManageListItem}
+                keyExtractor={(item) => item.type === 'add' ? 'manage-add-button' : item.sticker.id}
-              contentContainerStyle={styles.manageStickerGrid}
+                renderItem={renderManageListItem}
-              showsVerticalScrollIndicator={false}
+                showsVerticalScrollIndicator={false}
-              keyboardShouldPersistTaps="handled"
+                keyboardShouldPersistTaps="handled"
-              initialNumToRender={16}
+                style={{ flex: 1 }}
-              maxToRenderPerBatch={16}
+              />
-              windowSize={7}
+            </View>
-              removeClippedSubviews={true}
-            />
           )}
 
           {/* 底部操作栏（管理模式下显示） */}

src/screens/message/components/ChatScreen/MessageBubble.tsx

@@ -427,7 +427,7 @@ const MessageBubbleInner: React.FC<MessageBubbleProps> = ({
           <View style={[styles.messageContent, isMe ? styles.myMessageContentPanel : null]}>
             {/* 群聊模式：显示发送者昵称 */}
             {isGroupChat && senderInfo && (
-              <Text style={[styles.senderName, isMe && styles.mySenderName]}>{senderInfo.nickname}</Text>
+              <Text style={[styles.senderName, isMe ? styles.mySenderName : {}]}>{senderInfo.nickname}</Text>
             )}
 
             {renderMessageContent()}

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

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

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

@@ -562,8 +562,17 @@ export const useChatScreen = (props?: ChatScreenProps) => {
   const jumpToLatestMessages = useCallback(() => {
     suppressAutoFollowRef.current = false;
     isBrowsingHistoryRef.current = false;
-    scrollToLatest(true, true, 'jump-latest-button');
+    // FlashList 在 inverted 模式下 scrollToOffset({ offset: 0 }) 可能无法真正滚到最底部，
-  }, [scrollToLatest]);
+    // 因为列表内容高度变化后最小 offset 可能不是 0。先尝试滚到负值确保到底，再补偿回 0。
+    isProgrammaticScrollRef.current = true;
+    flatListRef.current?.scrollToOffset({ offset: -99999, animated: false });
+    requestAnimationFrame(() => {
+      flatListRef.current?.scrollToOffset({ offset: 0, animated: true });
+      setTimeout(() => {
+        isProgrammaticScrollRef.current = false;
+      }, 220);
+    });
+  }, [flatListRef]);
 
   const setBrowsingHistory = useCallback((browsing: boolean) => {
     isBrowsingHistoryRef.current = browsing;

src/screens/profile/UserProfileScreen.tsx

@@ -110,35 +110,48 @@ export const UserProfileScreen: React.FC<UserProfileScreenProps> = ({ mode, user
     );
   }, [loading, activeTab, mode, isBlockedProfile]);
 
+  // 渲染用户信息头部（与 TabBar 分离，避免切换 tab 时重渲染）
+  const renderUserHeader = useMemo(() => {
+    if (!user) return null;
+    return (
+      <UserProfileHeader
+        user={user}
+        isCurrentUser={isCurrentUser}
+        isBlocked={isBlocked}
+        onFollow={handleFollow}
+        onSettings={handleSettings}
+        onEditProfile={handleEditProfile}
+        onMessage={handleMessage}
+        onBlock={handleBlock}
+        onFollowingPress={handleFollowingPress}
+        onFollowersPress={handleFollowersPress}
+      />
+    );
+  }, [user, isCurrentUser, isBlocked, handleFollow, handleSettings, handleEditProfile, handleMessage, handleBlock, handleFollowingPress, handleFollowersPress]);
+
+  // 渲染 TabBar
+  const renderTabBar = useMemo(() => (
+    <View style={sharedStyles.tabBarContainer}>
+      <TabBar
+        tabs={TABS}
+        activeIndex={activeTab}
+        onTabChange={setActiveTab}
+        variant="modern"
+        icons={TAB_ICONS}
+      />
+    </View>
+  ), [activeTab, setActiveTab, sharedStyles.tabBarContainer]);
+
   // 渲染 FlashList 头部（用户信息 + TabBar）
   const renderListHeader = useCallback(() => {
     if (!user) return null;
     return (
       <>
-        <UserProfileHeader
+        {renderUserHeader}
-          user={user}
+        {renderTabBar}
-          isCurrentUser={isCurrentUser}
-          isBlocked={isBlocked}
-          onFollow={handleFollow}
-          onSettings={handleSettings}
-          onEditProfile={handleEditProfile}
-          onMessage={handleMessage}
-          onBlock={handleBlock}
-          onFollowingPress={handleFollowingPress}
-          onFollowersPress={handleFollowersPress}
-        />
-        <View style={sharedStyles.tabBarContainer}>
-          <TabBar
-            tabs={TABS}
-            activeIndex={activeTab}
-            onTabChange={setActiveTab}
-            variant="modern"
-            icons={TAB_ICONS}
-          />
-        </View>
       </>
     );
-  }, [user, isCurrentUser, isBlocked, handleFollow, handleSettings, handleEditProfile, handleMessage, handleBlock, handleFollowingPress, handleFollowersPress, activeTab, setActiveTab]);
+  }, [user, renderUserHeader, renderTabBar]);
 
   // 未登录/用户不存在状态
   if (mode === 'self' && !currentUser) {

src/services/post/postService.ts

@@ -251,12 +251,15 @@ class PostService {
          page_size: params.page_size,
        };
        
-       // 将 post_type 映射为后端的 tab 参数
+        if (params.post_type) {
-       if (params.post_type) {
+          requestParams.tab = params.post_type;
-         requestParams.tab = params.post_type;
+        }
-       }
+
-       
+        if (params.channel_id) {
-       const response = await api.get<any>('/posts', requestParams);
+          requestParams.channel_id = params.channel_id;
+        }
+
+        const response = await api.get<any>('/posts', requestParams);
       
        const data = response.data;
 

src/stores/post/sources.ts

@@ -62,6 +62,7 @@ export class NetworkCursorPostListPagedSource implements IPostListPagedSource {
       cursor: this.nextCursor ?? '',
       page_size: this.pageSize,
       post_type: this.tab,
+      channel_id: this.channelId,
     };
 
     const result = await postService.getPostsCursor(params);

src/types/dto.ts

@@ -520,14 +520,11 @@ export type DeviceType = 'ios' | 'android' | 'web';
  * 游标分页请求参数
  */
 export interface CursorPaginationRequest {
-  /** 游标字符串（可选，首次请求不传） */
   cursor?: string;
-  /** 分页方向：forward 或 backward（默认 forward） */
   direction?: 'forward' | 'backward';
-  /** 每页数量（默认 20，最大 100） */
   page_size?: number;
-  /** 帖子类型筛选（可选）：follow, hot, latest */
   post_type?: 'follow' | 'hot' | 'latest';
+  channel_id?: string;
 }
 
 /**