refactor(App, navigation): migrate to Expo Router and clean up navigation structure

- Updated App entry point to utilize Expo Router, simplifying the navigation setup.
- Removed legacy navigation components and services to streamline the codebase.
- Adjusted package.json to reflect the new entry point and updated dependencies for compatibility.
- Enhanced overall application structure by consolidating navigation logic and improving maintainability.

src/screens/profile/FollowListScreen.tsx

@@ -16,23 +16,19 @@ import {
   ActivityIndicator,
 } from 'react-native';
 import { SafeAreaView } from 'react-native-safe-area-context';
-import { useNavigation, useRoute, RouteProp } from '@react-navigation/native';
-import { NativeStackNavigationProp } from '@react-navigation/native-stack';
+import { useRouter, useLocalSearchParams } from 'expo-router';
 import { colors, spacing, borderRadius, shadows } from '../../theme';
 import { User } from '../../types';
 import { useAuthStore, useUserStore } from '../../stores';
 import { authService } from '../../services';
 import { Avatar, Text, Button, Loading, EmptyState, ResponsiveContainer } from '../../components/common';
-import { HomeStackParamList } from '../../navigation/types';
+import * as hrefs from '../../navigation/hrefs';
 import { useResponsive, useColumnCount } from '../../hooks';
 
-type NavigationProp = NativeStackNavigationProp<HomeStackParamList, 'FollowList'>;
-type FollowListRouteProp = RouteProp<HomeStackParamList, 'FollowList'>;
-
 const FollowListScreen: React.FC = () => {
-  const navigation = useNavigation<NavigationProp>();
-  const route = useRoute<FollowListRouteProp>();
-  const { userId, type } = route.params;
+  const router = useRouter();
+  const { userId = '', type: typeParam } = useLocalSearchParams<{ userId?: string; type?: string }>();
+  const type = typeParam === 'followers' ? 'followers' : 'following';
   
   const { currentUser } = useAuthStore();
   const { followUser, unfollowUser } = useUserStore();
@@ -135,7 +131,7 @@ const FollowListScreen: React.FC = () => {
   // 跳转到用户主页
   const handleUserPress = (targetUserId: string) => {
     if (targetUserId !== currentUser?.id) {
-      navigation.push('UserProfile', { userId: targetUserId });
+      router.push(hrefs.hrefUserProfile(targetUserId));
     }
   };
 
@@ -182,11 +178,11 @@ const FollowListScreen: React.FC = () => {
           <Text variant="caption" color={colors.text.secondary} numberOfLines={1}>
             @{item.username}
           </Text>
-          {item.bio && (
+          {item.bio?.trim() ? (
             <Text variant="caption" color={colors.text.hint} numberOfLines={1} style={styles.bio}>
               {item.bio}
             </Text>
-          )}
+          ) : null}
         </View>
         {!isSelf && (
           <Button
@@ -226,11 +222,11 @@ const FollowListScreen: React.FC = () => {
           <Text variant="caption" color={colors.text.secondary} numberOfLines={1}>
             @{item.username}
           </Text>
-          {item.bio && (
+          {item.bio?.trim() ? (
             <Text variant="caption" color={colors.text.hint} numberOfLines={2} style={styles.userCardBio}>
               {item.bio}
             </Text>
-          )}
+          ) : null}
         </View>
         {!isSelf && (
           <View style={styles.userCardFooter}>