refactor(PostCard, PostCardGrid, HomeScreen): enhance PostCard component and remove PostCardGrid

- Introduced a new PostCardRelativeTime component for dynamic time display, improving user experience with real-time updates.
- Refactored PostCard to utilize memoization for performance optimization and prevent unnecessary re-renders.
- Removed the PostCardGrid component to streamline the codebase, consolidating functionality within the PostCard component.
- Updated HomeScreen to leverage the new PostCard features, ensuring consistent post rendering and interaction handling.

src/screens/profile/UserProfileScreen.tsx

@@ -12,7 +12,7 @@ import {
   ScrollView,
 } from 'react-native';
 import { SafeAreaView } from 'react-native-safe-area-context';
-import { NativeStackNavigationProp } from '@react-navigation/native-stack';
+import { NavigationProp } from '@react-navigation/native';
 import { colors } from '../../theme';
 import { Post } from '../../types';
 import { PostCard, TabBar, UserProfileHeader } from '../../components/business';
@@ -24,7 +24,8 @@ import { useUserProfile, ProfileMode, TABS, TAB_ICONS, sharedStyles } from './us
 interface UserProfileScreenProps {
   mode: ProfileMode;
   userId?: string; // 仅 other 模式需要
-  profileNavigation?: NativeStackNavigationProp<ProfileStackParamList>; // 仅 self 模式需要
+  /** 使用 NavigationProp 避免与具体 screen 的 NativeStackNavigationProp 在 setParams 上不兼容 */
+  profileNavigation?: NavigationProp<ProfileStackParamList>; // 仅 self 模式需要
 }
 
 export const UserProfileScreen: React.FC<UserProfileScreenProps> = ({ mode, userId, profileNavigation }) => {