feat(settings): 收藏列表 + 最近呼叫全量实现（#42~#45）

## 收藏（Gitea #42~#45）
- `FetchFavoritesRequest` / `DeleteFavoriteRequest`：ApiRequestable，对齐 iOS FavouriteService
- `FetchFavoritesUseCase`：GET 分页拉取 → upsert FavoriteRepository
- `DeleteFavoriteUseCase`：POST delete → 同步删本地 DB
- `FavoritesViewModel`：分页/刷新/加载更多/删除，DB Stream 驱动
- `FavoritesPage`：列表 + RefreshIndicator + Dismissible 左滑删除 + 类型图标 + 空状态
- `AppRouteName.settingsFavorites` + 路由注册 + auth guard
- `settings_page.dart` 收藏行 onTap 接入导航

## 最近呼叫（框架，API 对接待续）
- `CallLogRequest` / `FetchCallLogsUseCase` / `RecentCallsViewModel`
- `RecentCallsPage`：双 Tab（全部/未接）+ _CallLogTile（图标/时长/时间）
- `AppRouteName.settingsRecentCalls` + 路由注册

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

apps/im_app/lib/core/foundation/api_paths.dart

@@ -44,9 +44,18 @@ class ApiPaths {
   // ── Workspace ──
   static const workspaceGet = '/workspace/workspace/get';
 
+  // ── Call ──
+  static const callRecords = '/app/api/call/records';
+
   // ── Upload ──
   static const uploadFile = '/app/api/upload/file';
 
+  // ── Favorite (收藏) ──
+  static const favoriteFetchList = '/app/api/favorite/favorites';
+  static const favoriteDelete = '/app/api/favorite/delete';
+  static const favoriteFetchByIds = '/app/api/favorite/favorite';
+  static const favoriteTags = '/app/api/favorite/tags';
+
   // ── WebSocket ──
   static const wsConnect = '/websock/open';
 }