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

backend/src/watcher/registry.py

@@ -1,6 +1,7 @@
 import asyncio
 import contextlib
 from dataclasses import dataclass
+from datetime import timedelta
 
 import asyncpg
 from pyrogram import Client, enums
@@ -30,6 +31,7 @@ TOKEN_MISSING = "Токен не найден на диске"  # noqa: S105
 INVALID_TOKEN_ERRORS = ("ACCESS_TOKEN_INVALID", "ACCESS_TOKEN_EXPIRED")
 BACKLOG_ATTEMPTS = 3
 BACKLOG_RETRY_PAUSE = 60
+ENRICH_COOLDOWN = timedelta(hours=6)
 
 
 @dataclass
@@ -70,14 +72,24 @@ def _handlers(pool: asyncpg.Pool) -> tuple:
         )
         if message.chat.type is not enums.ChatType.PRIVATE:
             await enqueue(
-                pool, ctx.account_id, "enrich_chat", {"chat_id": meta.chat_id}
+                pool,
+                ctx.account_id,
+                "enrich_chat",
+                {"chat_id": meta.chat_id},
+                cooldown=ENRICH_COOLDOWN,
             )
 
     async def on_member(client: Client, update) -> None:  # noqa: ANN001
         ctx = getattr(client, "capture", None)
         if ctx is None or update.chat is None:
             return
-        await enqueue(pool, ctx.account_id, "enrich_chat", {"chat_id": update.chat.id})
+        await enqueue(
+            pool,
+            ctx.account_id,
+            "enrich_chat",
+            {"chat_id": update.chat.id},
+            cooldown=ENRICH_COOLDOWN,
+        )
 
     return (
         MessageHandler(on_message),