fix(backend): group title changes found by enrichment are recorded, enrichment and syncs skip unchanged profiles

backend/src/userbot/modules/groups/repository.py

@@ -7,7 +7,23 @@ INSERT INTO chat_history
     (account_id, chat_id, message_id, event, title, photo_unique_id, actor_id,
      ts, raw)
 VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9::jsonb)
-ON CONFLICT (account_id, chat_id, message_id) DO NOTHING
+ON CONFLICT DO NOTHING
+"""
+
+_INSERT_CHAT_META = """
+INSERT INTO chat_history
+    (account_id, chat_id, message_id, event, title, photo_unique_id, ts, raw)
+SELECT $1, $2, $3, 'meta', $4::text, $5::text, $6, $7::jsonb
+WHERE ($4::text, $5::text) IS DISTINCT FROM (
+    (SELECT title FROM chat_history
+     WHERE account_id = $1 AND chat_id = $2 AND event IN ('meta', 'title')
+     ORDER BY ts DESC LIMIT 1),
+    (SELECT photo_unique_id FROM chat_history
+     WHERE account_id = $1 AND chat_id = $2
+       AND event IN ('meta', 'photo', 'photo_deleted')
+     ORDER BY ts DESC LIMIT 1)
+)
+ON CONFLICT DO NOTHING
 """
 
 _INSERT_MEMBERSHIP = """
@@ -19,13 +35,14 @@ ON CONFLICT (account_id, chat_id, message_id, user_id) DO NOTHING
 
 _LATEST_TITLE = """
 SELECT title FROM chat_history
-WHERE account_id = $1 AND chat_id = $2 AND title IS NOT NULL
+WHERE account_id = $1 AND chat_id = $2 AND event IN ('meta', 'title')
 ORDER BY ts DESC LIMIT 1
 """
 
 _LATEST_PHOTO = """
 SELECT photo_unique_id FROM chat_history
-WHERE account_id = $1 AND chat_id = $2 AND photo_unique_id IS NOT NULL
+WHERE account_id = $1 AND chat_id = $2
+  AND event IN ('meta', 'photo', 'photo_deleted')
 ORDER BY ts DESC LIMIT 1
 """
 
@@ -64,6 +81,29 @@ async def insert_chat_history(  # noqa: PLR0913
     )
 
 
+async def record_chat_meta(  # noqa: PLR0913
+    pool: asyncpg.Pool,
+    account_id: int,
+    chat_id: int,
+    message_id: int,
+    title: str | None,
+    photo_unique_id: str | None,
+    ts: datetime,
+    raw: str,
+) -> bool:
+    status = await pool.execute(
+        _INSERT_CHAT_META,
+        account_id,
+        chat_id,
+        message_id,
+        title,
+        photo_unique_id,
+        ts,
+        raw,
+    )
+    return status == "INSERT 0 1"
+
+
 async def insert_membership(  # noqa: PLR0913
     pool: asyncpg.Pool,
     account_id: int,