feat: v0.2 UI 重构 + 自选分组侧边栏 + 扩展数据时间窗口 + 个股对话框优化

- 侧边栏美化:品牌改名/菜单 active 指示条/收起展开/底部精简
- 数据源+AI 状态卡:名称替换固定文字/档位 tag 条件显示
- 设置页重构:account 合入数据源 tab/数据源置顶/收起展开菜单
- 自选分组侧边栏:二级子菜单/分组跳转同步/清空分组
- 个股对话框:tab 移顶栏/分时关闭/放大全屏/操作按钮归位
- 扩展数据:定时拉取时间窗口(time_window_start/end)
- 版本号: 0.1.88 → 0.2.1

backend/app/api/settings.py

@@ -405,6 +405,7 @@ def get_preferences() -> dict:
         "realtime_quotes_enabled": preferences.get_realtime_quotes_enabled(),
         "realtime_allowed": _realtime_allowed(),
         "indices_nav_pinned": preferences.get_indices_nav_pinned(),
+        "watchlist_groups_in_nav": preferences.get_watchlist_groups_in_nav(),
         "minute_sync_enabled": preferences.get_minute_sync_enabled(),
         "minute_sync_days": preferences.get_minute_sync_days(),
         "minute_sync_segment_days": preferences.get_minute_sync_segment_days(),
@@ -776,6 +777,18 @@ def update_indices_nav_pinned(req: IndicesNavPinnedPrefs) -> dict:
     return {"indices_nav_pinned": req.indices_nav_pinned}
 
 
+class WatchlistGroupsInNavPrefs(BaseModel):
+    watchlist_groups_in_nav: bool
+
+
+@router.put("/preferences/watchlist-groups-in-nav")
+def update_watchlist_groups_in_nav(req: WatchlistGroupsInNavPrefs) -> dict:
+    """保存自选分组是否显示在侧边栏开关。"""
+    from app.services import preferences
+    preferences.save({"watchlist_groups_in_nav": req.watchlist_groups_in_nav})
+    return {"watchlist_groups_in_nav": req.watchlist_groups_in_nav}
+
+
 class RealtimeMonitorConfigIn(BaseModel):
     sse_refresh_pages: dict[str, bool] | None = None
     strategy_monitor_enabled: bool | None = None