fixed injection watcher

backend/app/homelab/notices.py

@@ -1,21 +1,5 @@
-from sqlalchemy import select
-
-from app.db.base import SessionLocal
-from app.db.models import ChatSession, Message
+from app.chat.notice_inbox import post_notice_to_latest_chat
 
 
 def post_chat_notice(content: str) -> None:
-    db = SessionLocal()
-    try:
-        session = db.scalar(
-            select(ChatSession).order_by(ChatSession.updated_at.desc()).limit(1)
-        )
-        if not session:
-            session = ChatSession(title="Уведомления")
-            db.add(session)
-            db.commit()
-            db.refresh(session)
-        db.add(Message(session_id=session.id, role="notice", content=content))
-        db.commit()
-    finally:
-        db.close()
+    post_notice_to_latest_chat(content)