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/utils/cache.ts

@@ -0,0 +1,42 @@
+/**
+ * 缓存工具函数
+ * 提取自 baseManager.ts，用于 Zustand store 的 TTL 缓存管理
+ */
+
+/** 缓存条目结构 */
+export interface CacheEntry<T> {
+  data: T;
+  timestamp: number;
+  ttl: number;
+}
+
+/** 创建缓存条目 */
+export function createCacheEntry<T>(data: T, ttl: number): CacheEntry<T> {
+  return { data, timestamp: Date.now(), ttl };
+}
+
+/** 检查缓存是否过期 */
+export function isCacheExpired(entry: CacheEntry<any>): boolean {
+  return Date.now() - entry.timestamp > entry.ttl;
+}
+
+/** 检查缓存是否有效（存在且未过期） */
+export function isCacheValid<T>(entry: CacheEntry<T> | undefined | null): boolean {
+  if (!entry) return false;
+  return !isCacheExpired(entry);
+}
+
+/** 获取缓存的剩余有效时间（毫秒） */
+export function getCacheRemainingTTL(entry: CacheEntry<any>): number {
+  const elapsed = Date.now() - entry.timestamp;
+  return Math.max(0, entry.ttl - elapsed);
+}
+
+/** 默认 TTL 常量 */
+export const DEFAULT_TTL = {
+  USER: 5 * 60 * 1000,       // 5 分钟
+  POST_LIST: 30 * 1000,      // 30 秒
+  POST_DETAIL: 60 * 1000,    // 1 分钟
+  GROUP: 60 * 1000,          // 1 分钟
+  GROUP_MEMBERS: 120 * 1000, // 2 分钟
+};