fix(lint): ruff auto-fix + lewooogo-core src 加入 git

- Python: ruff --fix 修復 280 個 lint 錯誤
- lewooogo-core: src/ 目錄未追蹤，導致 CI eslint 失敗

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/api/src/workers/__init__.py

@@ -13,9 +13,9 @@ Phase 6.1: Event Bus Workers
 
 from src.workers.signal_worker import (
     SignalWorker,
+    close_signal_worker,
     get_signal_worker,
     init_signal_worker,
-    close_signal_worker,
 )
 
 __all__ = [

apps/api/src/workers/signal_worker.py

@@ -136,7 +136,7 @@ class SignalWorker:
             try:
                 # 給予 5 秒完成當前處理
                 await asyncio.wait_for(self._task, timeout=5.0)
-            except asyncio.TimeoutError:
+            except TimeoutError:
                 logger.warning("signal_worker_stop_timeout")
                 self._task.cancel()
             except asyncio.CancelledError:
@@ -325,8 +325,13 @@ async def _main() -> None:
 
     # Initialize settings first (loads env vars)
     from src.core.config import settings  # noqa: F401
-    from src.core.redis_client import init_redis_pool, close_redis_pool, init_worker_redis_pool, close_worker_redis_pool
-    from src.db.base import init_db, close_db
+    from src.core.redis_client import (
+        close_redis_pool,
+        close_worker_redis_pool,
+        init_redis_pool,
+        init_worker_redis_pool,
+    )
+    from src.db.base import close_db, init_db
 
     logger.info(
         "signal_worker_standalone_starting",