feat: add QR code login and enhance chat experience

- Add QR code login flow with scanner and confirmation screens
- Implement swipe-to-reply in chat with SwipeableMessageBubble
- Replace FlatList with FlashList for chat performance optimization
- Add Schedule stack navigator with CourseDetail screen support
- Configure deep linking for QR code login (carrotbbs://qrcode/login/:sessionId)
- Update branding from 胡萝卜 to 萝卜社区
- Display dynamic app version in settings

src/navigation/MainNavigator.tsx

@@ -22,7 +22,7 @@ import { useAuthStore } from '../stores';
 
 // Deep linking 配置
 const linking: LinkingOptions<RootStackParamList> = {
-  prefixes: [],
+  prefixes: ['carrotbbs://'],
   config: {
     screens: {
       Auth: {
@@ -63,6 +63,7 @@ const linking: LinkingOptions<RootStackParamList> = {
       CreatePost: 'posts/create',
       Chat: 'chat/:conversationId',
       FollowList: 'users/:userId/:type',
+      QRCodeConfirm: 'qrcode/login/:sessionId',
     },
   },
 };

src/navigation/RootNavigator.tsx

@@ -23,6 +23,7 @@ import { PostDetailScreen } from '../screens/home';
 import { UserScreen } from '../screens/profile';
 import FollowListScreen from '../screens/profile/FollowListScreen';
 import { CreatePostScreen } from '../screens/create';
+import { QRCodeConfirmScreen } from '../screens/auth/QRCodeConfirmScreen';
 import {
   ChatScreen,
   CreateGroupScreen,
@@ -210,6 +211,15 @@ const getAuthenticatedScreens = () => [
       animation: 'slide_from_right',
     }}
   />,
+  <RootStack.Screen
+    key="QRCodeConfirm"
+    name="QRCodeConfirm"
+    component={QRCodeConfirmScreen}
+    options={{
+      headerShown: false,
+      presentation: 'modal',
+    }}
+  />,
 ];
 
 export function RootNavigator({ isAuthenticated, isInitializing }: RootNavigatorProps) {

src/navigation/SimpleMobileTabNavigator.tsx

@@ -1,6 +1,6 @@
 /**
  * 简单的移动端 Tab Navigator
- * 
+ *
  * 不使用 React Navigation 的 Tab Navigator，而是使用一个简单的自定义实现
  * 这样可以完全避免 React Navigation 状态恢复的问题
  */
@@ -15,6 +15,7 @@ import {
 } from 'react-native';
 import { useSafeAreaInsets } from 'react-native-safe-area-context';
 import { MaterialCommunityIcons } from '@expo/vector-icons';
+import { createNativeStackNavigator } from '@react-navigation/native-stack';
 
 import { colors, shadows } from '../theme';
 import { useTotalUnreadCount } from '../stores';
@@ -33,6 +34,15 @@ import { ProfileScreen, SettingsScreen, EditProfileScreen, NotificationSettingsS
 // ==================== 类型定义 ====================
 type TabName = 'HomeTab' | 'MessageTab' | 'ScheduleTab' | 'ProfileTab';
 
+// Schedule Stack 类型定义
+export type ScheduleStackParamList = {
+  Schedule: undefined;
+  CourseDetail: { course: any; relatedCourses?: any[] };
+};
+
+// ==================== Stack Navigators ====================
+const ScheduleStack = createNativeStackNavigator<ScheduleStackParamList>();
+
 // ==================== 常量 ====================
 const TAB_BAR_HEIGHT = 64;
 const TAB_BAR_MARGIN = 14;
@@ -41,19 +51,32 @@ const TAB_BAR_FLOATING_MARGIN = 12;
 // ==================== 组件 ====================
 
 /**
- * 简化的 Stack Navigator 包装
+ * Schedule Stack Navigator 组件
  */
-function SimpleStackNavigator({ 
-  children, 
-  screenName 
-}: { 
-  children: React.ReactNode; 
-  screenName: string;
-}) {
+function ScheduleStackNavigatorComponent() {
   return (
-    <View style={styles.stackContainer}>
-      {children}
-    </View>
+    <ScheduleStack.Navigator
+      screenOptions={{
+        headerShown: false,
+      }}
+    >
+      <ScheduleStack.Screen
+        name="Schedule"
+        component={ScheduleScreen}
+        options={{
+          title: '课表',
+        }}
+      />
+      <ScheduleStack.Screen
+        name="CourseDetail"
+        component={CourseDetailScreen}
+        options={{
+          headerShown: false,
+          presentation: 'transparentModal',
+          animation: 'fade',
+        }}
+      />
+    </ScheduleStack.Navigator>
   );
 }
 
@@ -83,7 +106,7 @@ export function SimpleMobileTabNavigator() {
       case 'MessageTab':
         return <MessageListScreen />;
       case 'ScheduleTab':
-        return <ScheduleScreen />;
+        return <ScheduleStackNavigatorComponent />;
       case 'ProfileTab':
         return <ProfileScreen />;
       default:

src/navigation/types.ts

@@ -106,6 +106,7 @@ export type RootStackParamList = {
     userName?: string;
     userAvatar?: string | null;
   };
+  QRCodeConfirm: { sessionId: string };
 };
 
 // ==================== 全局类型声明 ====================