fixed injection watcher

backend/app/chat/notice_inbox.py

@@ -0,0 +1,25 @@
+"""Инжект системных оповещений в чат без role=assistant (не ломает LLM-историю)."""
+
+from sqlalchemy import select
+
+from app.db.base import SessionLocal
+from app.db.models import ChatSession, Message
+
+
+def post_notice_to_latest_chat(content: str) -> int | None:
+    """Сохраняет notice в последний активный чат. Возвращает session_id."""
+    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()
+        return session.id
+    finally:
+        db.close()

backend/app/chat/service.py

@@ -234,6 +234,7 @@ class ChatService:
                     reasoning_json=reasoning_json,
                 )
 
+                round_notices: list[str] = []
                 for tool_call in tool_calls:
                     fn = tool_call["function"]
                     args = LLMClient.parse_tool_arguments(fn.get("arguments", ""))
@@ -251,7 +252,7 @@ class ChatService:
                     notice = format_tool_notice(fn["name"], result)
                     if notice:
                         self._save_message(session_id, "notice", notice)
-                        yield self._sse("notice", {"content": notice})
+                        round_notices.append(notice)
 
                     if fn["name"] in POMODORO_TOOL_NAMES:
                         yield self._sse(
@@ -259,6 +260,9 @@ class ChatService:
                             {"name": fn["name"], "result": json.loads(result)},
                         )
 
+                for notice in round_notices:
+                    yield self._sse("notice", {"content": notice})
+
                 continue
 
             final_content = "".join(content_parts).strip()