feat(agent-office/db): get_logs에서 State: 자동 로그 제외 + delete_old_logs(90일)

agent-office/app/db.py

@@ -321,7 +321,13 @@ def add_log(agent_id: str, message: str, level: str = "info", task_id: str = Non
 def get_logs(agent_id: str, limit: int = 50) -> List[Dict[str, Any]]:
     with _conn() as conn:
         rows = conn.execute(
-            "SELECT * FROM agent_logs WHERE agent_id=? ORDER BY created_at DESC LIMIT ?",
+            """
+            SELECT * FROM agent_logs
+            WHERE agent_id = ?
+              AND message NOT LIKE 'State: %'
+            ORDER BY created_at DESC
+            LIMIT ?
+            """,
             (agent_id, limit),
         ).fetchall()
     return [
@@ -332,6 +338,7 @@ def get_logs(agent_id: str, limit: int = 50) -> List[Dict[str, Any]]:
             "level": r["level"],
             "message": r["message"],
             "created_at": r["created_at"],
+            "source": "agent",
         }
         for r in rows
     ]
@@ -588,6 +595,20 @@ def get_activity_feed(limit: int = 50, offset: int = 0) -> dict:
     return {"items": items, "total": total}
 
 
+import datetime as _dt
+
+
+def delete_old_logs(days: int = 90) -> int:
+    """retention 정책: N일 이전 agent_logs 삭제. 매일 03:00 스케줄러가 호출."""
+    cutoff = (_dt.datetime.utcnow() - _dt.timedelta(days=days)).isoformat()
+    with _conn() as conn:
+        c = conn.execute(
+            "DELETE FROM agent_logs WHERE created_at < ?",
+            (cutoff,),
+        )
+        return c.rowcount
+
+
 # ── youtube_research_jobs CRUD ────────────────────────────────────────────────
 
 def add_youtube_research_job(countries: list) -> int: