fix(backend): watched bot enriches a group at most once in six hours

backend/src/utils/jobs.py

@@ -1,4 +1,5 @@
 import json
+from datetime import timedelta
 from typing import Any
 
 import asyncpg
@@ -7,15 +8,22 @@ JOBS_CHANGED_CHANNEL = "jobs_changed"
 
 
 async def enqueue(
-    pool: asyncpg.Pool, account_id: int, kind: str, params: dict[str, Any]
+    pool: asyncpg.Pool,
+    account_id: int,
+    kind: str,
+    params: dict[str, Any],
+    *,
+    cooldown: timedelta | None = None,
 ) -> int:
     params_json = json.dumps(params)
     existing = await pool.fetchval(
         "SELECT id FROM jobs WHERE account_id = $1 AND kind = $2 "
-        "AND params = $3::jsonb AND status IN ('pending', 'running') LIMIT 1",
+        "AND params = $3::jsonb AND (status IN ('pending', 'running') "
+        "OR created_at > now() - $4::interval) LIMIT 1",
         account_id,
         kind,
         params_json,
+        cooldown,
     )
     if existing is not None:
         return existing