feat(message): add conversation notification mute feature

Add notification mute functionality for conversations with the following changes:

- Add notification_muted field to ConversationResponse and related DTOs
- Add notificationMutedMap to message store for tracking mute state
- Add setConversationNotificationMuted API method
- Integrate mute toggle in GroupInfoScreen and PrivateChatInfoScreen
- Skip system notifications for muted conversations
- Suppress vibration for muted conversations in WS handler
- Clean up selected mentions when @mentions are removed from text

Chore changes:
- Update PostCard bookmark icon from 'bookmark' to 'star'
- Refine card styles across AppsScreen, MaterialsScreen, and SubjectMaterialsScreen
- Improve week selector scrolling to center selected week in ScheduleScreen

src/screens/message/GroupInfoScreen.tsx

@@ -50,6 +50,7 @@ import { blurActiveElement } from '../../infrastructure/platform';
 import { firstRouteParam } from '../../navigation/paramUtils';
 import * as hrefs from '../../navigation/hrefs';
 import { messageManager } from '../../stores/message';
+import { useMessageStore } from '../../stores/message/store';
 import { groupManager } from '../../stores/group';
 import MutualFollowSelectorModal from './components/MutualFollowSelectorModal';
 import { AppBackButton } from '../../components/common';
@@ -95,6 +96,9 @@ const GroupInfoScreen: React.FC = () => {
   const [loading, setLoading] = useState(true);
   const [isPinned, setIsPinned] = useState(false);
   const [pinLoading, setPinLoading] = useState(false);
+  const isNotificationMuted = useMessageStore(state =>
+    conversationId ? (state.notificationMutedMap.get(conversationId) || false) : false
+  );
 
   // 编辑模态框状态
   const [editModalVisible, setEditModalVisible] = useState(false);
@@ -212,6 +216,16 @@ const GroupInfoScreen: React.FC = () => {
     }
   };
 
+  // 设置会话免打扰
+  const handleToggleNotificationMuted = async () => {
+    if (!conversationId) return;
+    try {
+      await messageManager.toggleNotificationMuted(conversationId, !isNotificationMuted);
+    } catch (error: any) {
+      Alert.alert('错误', error?.message || '设置免打扰失败');
+    }
+  };
+
   // 打开编辑模态框
   const openEditModal = () => {
     if (group) {
@@ -799,6 +813,24 @@ const GroupInfoScreen: React.FC = () => {
                 thumbColor={isPinned ? colors.primary.main : colors.background.paper}
               />
             </View>
+            <View style={styles.settingItem}>
+              <View style={styles.settingIconContainer}>
+                <MaterialCommunityIcons name="bell-off-outline" size={20} color={colors.primary.main} />
+              </View>
+              <View style={styles.settingContent}>
+                <Text variant="body">消息免打扰</Text>
+                <Text variant="caption" color={colors.text.secondary}>
+                  {conversationId ? (isNotificationMuted ? '已开启' : '未开启') : '请从聊天页面进入后设置'}
+                </Text>
+              </View>
+              <Switch
+                value={isNotificationMuted}
+                onValueChange={handleToggleNotificationMuted}
+                disabled={!conversationId}
+                trackColor={{ false: colors.divider, true: colors.primary.light }}
+                thumbColor={isNotificationMuted ? colors.primary.main : colors.background.paper}
+              />
+            </View>
           </View>
         </View>
 

src/screens/message/PrivateChatInfoScreen.tsx

@@ -23,6 +23,7 @@ import { messageService } from '@/services/message';
 import { ApiError } from '@/services/core';
 import { messageRepository, conversationRepository } from '@/database';
 import { messageManager } from '../../stores/message';
+import { useMessageStore } from '../../stores/message/store';
 import { userManager } from '../../stores/user';
 import { Avatar, Text, Button, Loading, Divider } from '../../components/common';
 import { User } from '../../types';
@@ -51,7 +52,7 @@ const PrivateChatInfoScreen: React.FC = () => {
   const [isBlocked, setIsBlocked] = useState(false);
 
   // 聊天设置状态
-  const [isMuted, setIsMuted] = useState(false);
+  const isMuted = useMessageStore(state => state.notificationMutedMap.get(conversationId) || false);
   const [isPinned, setIsPinned] = useState(false);
 
   // 加载用户信息
@@ -96,15 +97,12 @@ const PrivateChatInfoScreen: React.FC = () => {
     loadChatSettings();
   }, [loadUserInfo, loadChatSettings]);
 
-  // 切换免打扰（仅本地状态，实际需要API支持）
+  // 切换免打扰
   const toggleMute = async () => {
     try {
       const newValue = !isMuted;
-      setIsMuted(newValue);
-      // TODO: 调用API更新免打扰状态
-      // await conversationService.updateConversationMute(conversationId, newValue);
+      await messageManager.toggleNotificationMuted(conversationId, newValue);
     } catch (error) {
-      setIsMuted(!isMuted);
       Alert.alert('错误', '设置免打扰失败');
     }
   };

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

@@ -705,8 +705,25 @@ export const useChatScreen = (props?: ChatScreenProps) => {
       } else {
         setActivePanel('none');
       }
+
+      if (selectedMentions.length > 0) {
+        const stillPresent = selectedMentions.filter(userId => {
+          const member = groupMembers.find(m => m.user_id === userId);
+          const nickname = member?.nickname || member?.user?.nickname;
+          if (!nickname) return false;
+          const escapedName = nickname.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+          return new RegExp(`@${escapedName}(\\s|$)`, 'g').test(text);
+        });
+        if (stillPresent.length !== selectedMentions.length) {
+          setSelectedMentions(stillPresent);
+        }
+      }
+
+      if (mentionAll && !text.includes('@所有人')) {
+        setMentionAll(false);
+      }
     }
-  }, [isGroupChat]);
+  }, [isGroupChat, selectedMentions, mentionAll, groupMembers]);
 
   // 【改造】获取发送者信息（群聊）- 优先从消息的 sender 字段获取
   const getSenderInfo = useCallback((senderId: string): SenderInfo => {