Keep enrichment locks alive during long batches

mobilede_scraper/worker/tasks.py

@@ -2505,7 +2505,7 @@ def mobilede_enrich_images_batch_task(
 
     redis_client = _get_redis()
     owner_token = str(getattr(self.request, "id", None) or uuid.uuid4().hex)
-    lock_ttl = max(300, int(float(os.getenv("MOBILEDE_ENRICH_LOCK_TTL_SECONDS", "3600"))))
+    lock_ttl = max(300, int(float(os.getenv("MOBILEDE_ENRICH_LOCK_TTL_SECONDS", "300"))))
     if not _acquire_lock(redis_client, MOBILEDE_ENRICH_IMAGES_LOCK_KEY, owner_token, lock_ttl):
         return {
             "status": "locked",
@@ -2529,6 +2529,23 @@ def mobilede_enrich_images_batch_task(
         for batch_start in range(0, len(candidates), effective_batch_size):
             batch = candidates[batch_start:batch_start + effective_batch_size]
             for _car_id, origin_id, origin_url, image_count in batch:
+                if not _refresh_lock_if_owner(
+                    redis_client,
+                    MOBILEDE_ENRICH_IMAGES_LOCK_KEY,
+                    owner_token,
+                    lock_ttl,
+                ):
+                    logger.warning(
+                        "mobile.de image enrich lock ownership lost; stopping before origin_id=%s",
+                        origin_id,
+                    )
+                    return {
+                        "status": "lock_lost",
+                        "candidates": len(candidates),
+                        "enriched": enriched,
+                        "failed": failed,
+                        "skipped": skipped,
+                    }
                 listing_id = _mobilede_extract_listing_id(origin_url) or str(origin_id).rsplit(":", 1)[-1]
                 if not listing_id:
                     skipped += 1