chore: remove IDE config files and improve web platform compatibility

- Remove `.idea/` IntelliJ configuration files from version control
- Add web-specific touch handling for swipeable message bubbles and schedule screen
- Fix CSS touch-action rules for better web scrolling behavior
- Add nestedScrollEnabled to ScrollViews for proper gesture handling
- Improve null safety checks in profile screens
- Add horizontal ScrollView wrapper for notification filter tags
- Add hasHeader prop support for embedded profile screens

src/screens/home/PostDetailScreen.tsx

@@ -1182,7 +1182,7 @@ export const PostDetailScreen: React.FC = () => {
             )}
           </View>
 
-          {currentUser?.id === post.author?.id && (
+          {!!currentUser && currentUser.id === post.author?.id && (
             <View style={styles.metaActions}>
               <TouchableOpacity
                 style={styles.editButtonInline}
@@ -1214,8 +1214,8 @@ export const PostDetailScreen: React.FC = () => {
               </TouchableOpacity>
             </View>
           )}
-          {/* 举报按钮 - 只对非帖子作者显示 */}
-          {currentUser?.id !== post.author?.id && (
+          {/* 举报按钮 - 只对已登录且非帖子作者显示 */}
+          {!!currentUser && currentUser.id !== post.author?.id && (
             <TouchableOpacity
               style={styles.reportButtonInline}
               onPress={() => {