feat(wrapped): 新增年度总结接口与卡片 #1（赛博作息表）

- 新增 /api/wrapped/annual（year/account/refresh），统计在 worker thread 中执行

- 实现卡片#1：按 周×小时 聚合消息量，默认过滤 biz_message*.db

- 增加 _wrapped/cache JSON 缓存（global_<year>_upto_1.json），refresh 支持强制重算

src/wechat_decrypt_tool/api.py

@@ -20,6 +20,7 @@ from .routers.keys import router as _keys_router
 from .routers.media import router as _media_router
 from .routers.sns import router as _sns_router
 from .routers.wechat_detection import router as _wechat_detection_router
+from .routers.wrapped import router as _wrapped_router
 from .wcdb_realtime import WCDB_REALTIME, shutdown as _wcdb_shutdown
 
 # 初始化日志系统
@@ -53,6 +54,7 @@ app.include_router(_chat_router)
 app.include_router(_chat_export_router)
 app.include_router(_chat_media_router)
 app.include_router(_sns_router)
+app.include_router(_wrapped_router)
 
 
 class _SPAStaticFiles(StaticFiles):