feat(profile): add chat settings and language options to profile settings

- Introduced hrefProfileChatSettings() for navigation to chat settings.
- Updated SettingsScreen to include new settings items for chat settings, language selection, data storage, terms, and privacy policy.
- Enhanced user experience by providing alerts for language and data storage options.

This update improves the profile settings interface by adding more customization options for users.

src/stores/user/UserManager.ts

@@ -0,0 +1,178 @@
+/**
+ * UserManager - 用户管ç<C2A1>†æ ¸å¿ƒæ¨¡å<C2A1>—（é‡<C3A9>构版ï¼?
+ *
+ * 使用 Zustand store 进行状æ€<C3A6>管ç<C2A1>?
+ * ä¿<C3A4>æŒ<C3A6>与旧 API çš„å<E2809E>‘å<E28098>Žå…¼å®?
+ */
+
+import type { UserDTO } from '../../types/dto';
+import { authService } from '../../services/authService';
+import {
+  getCurrentUserCache,
+  getUserCache,
+  saveCurrentUserCache,
+  saveUserCache,
+} from '../../services/database';
+import { useUserManagerStore } from './userStore';
+import { createCacheEntry, isCacheExpired, DEFAULT_TTL } from '../utils/cache';
+
+// ==================== UserManager ç±?====================
+
+class UserManager {
+  /**
+   * 获å<C2B7>–当å‰<C3A5>用户
+   * 支æŒ<C3A6>缓存过期检查和å<C592>Žå<C5BD>°åˆ·æ–°
+   */
+  async getCurrentUser(forceRefresh = false): Promise<UserDTO | null> {
+    const store = useUserManagerStore.getState();
+    const entry = store.currentUserEntry;
+
+    // 有效缓存
+    if (!forceRefresh && entry && !isCacheExpired(entry)) {
+      return entry.data;
+    }
+
+    // 过期缓存：å<C5A1>Žå<C5BD>°åˆ·æ–°ï¼Œç«‹å<E280B9>³è¿”回旧数æ<C2B0>?
+    if (!forceRefresh && entry && isCacheExpired(entry)) {
+      this.refreshCurrentUserInBackground();
+      return entry.data;
+    }
+
+    // å°<C3A5>试从本地数æ<C2B0>®åº“加载
+    if (!forceRefresh) {
+      const cachedFromDb = await getCurrentUserCache();
+      if (cachedFromDb) {
+        const newEntry = createCacheEntry(cachedFromDb, DEFAULT_TTL.USER);
+        store.setCurrentUserEntry(newEntry);
+        this.refreshCurrentUserInBackground();
+        return cachedFromDb;
+      }
+    }
+
+    // å<>‘èµ· API 请求
+    return this.dedupe('users:current', async () => {
+      const user = await authService.fetchCurrentUserFromAPI();
+      const newEntry = createCacheEntry(user, DEFAULT_TTL.USER);
+      store.setCurrentUserEntry(newEntry);
+
+      if (user) {
+        saveCurrentUserCache(user).catch(() => {});
+        saveUserCache(user).catch(() => {});
+      }
+      return user;
+    });
+  }
+
+  /**
+   * å<>Žå<C5BD>°åˆ·æ–°å½“å‰<C3A5>用户
+   */
+  private refreshCurrentUserInBackground(): void {
+    this.dedupe('users:current:bg', async () => {
+      const store = useUserManagerStore.getState();
+      const user = await authService.fetchCurrentUserFromAPI();
+      const newEntry = createCacheEntry(user, DEFAULT_TTL.USER);
+      store.setCurrentUserEntry(newEntry);
+
+      if (user) {
+        saveCurrentUserCache(user).catch(() => {});
+        saveUserCache(user).catch(() => {});
+      }
+      return user;
+    }).catch((error) => {
+      console.error('[UserManager] refreshCurrentUserInBackground error:', error);
+    });
+  }
+
+  /**
+   * æ ¹æ<C2B9>® ID 获å<C2B7>–用户
+   */
+  async getUserById(userId: string, forceRefresh = false): Promise<UserDTO | null> {
+    const store = useUserManagerStore.getState();
+    const entry = store.usersMap.get(userId);
+
+    // 有效缓存
+    if (!forceRefresh && entry && !isCacheExpired(entry)) {
+      return entry.data;
+    }
+
+    // 过期缓存：å<C5A1>Žå<C5BD>°åˆ·æ–°ï¼Œç«‹å<E280B9>³è¿”回旧数æ<C2B0>?
+    if (!forceRefresh && entry && isCacheExpired(entry)) {
+      this.refreshUserByIdInBackground(userId);
+      return entry.data;
+    }
+
+    // å°<C3A5>试从本地数æ<C2B0>®åº“加载
+    if (!forceRefresh) {
+      const cachedFromDb = await getUserCache(userId);
+      if (cachedFromDb) {
+        const newEntry = createCacheEntry(cachedFromDb, DEFAULT_TTL.USER);
+        store.setUser(userId, cachedFromDb);
+        this.refreshUserByIdInBackground(userId);
+        return cachedFromDb;
+      }
+    }
+
+    // å<>‘èµ· API 请求
+    return this.dedupe(`users:detail:${userId}`, async () => {
+      const store = useUserManagerStore.getState();
+      const user = await authService.fetchUserByIdFromAPI(userId);
+      const newEntry = createCacheEntry(user, DEFAULT_TTL.USER);
+      store.setUser(userId, user);
+
+      if (user) {
+        saveUserCache(user).catch(() => {});
+      }
+      return user;
+    });
+  }
+
+  /**
+   * å<>Žå<C5BD>°åˆ·æ–°ç”¨æˆ·
+   */
+  private refreshUserByIdInBackground(userId: string): void {
+    this.dedupe(`users:detail:bg:${userId}`, async () => {
+      const store = useUserManagerStore.getState();
+      const user = await authService.fetchUserByIdFromAPI(userId);
+      const newEntry = createCacheEntry(user, DEFAULT_TTL.USER);
+      store.setUser(userId, user);
+
+      if (user) {
+        saveUserCache(user).catch(() => {});
+      }
+      return user;
+    }).catch((error) => {
+      console.error('[UserManager] refreshUserByIdInBackground error:', error);
+    });
+  }
+
+  /**
+   * 使缓存失�
+   */
+  invalidateUsers(): void {
+    useUserManagerStore.getState().invalidateAll();
+  }
+
+  /**
+   * 请求去é‡<C3A9>
+   */
+  private async dedupe<T>(key: string, fetcher: () => Promise<T>): Promise<T> {
+    const store = useUserManagerStore.getState();
+    const pending = store.getPendingRequest<T>(key);
+    if (pending) return pending;
+
+    const request = fetcher().finally(() => {
+      useUserManagerStore.getState().deletePendingRequest(key);
+    });
+    store.setPendingRequest(key, request);
+    return request;
+  }
+}
+
+// ==================== å<>•ä¾‹å¯¼å‡º ====================
+
+export const userManager = new UserManager();
+
+// 导出类以支æŒ<C3A6>类型检查和测试
+export { UserManager };
+
+export default userManager;