Match Jellyfin punctuation variants using provider metadata and strict fallback

backend/app/services/snapshot.py

@@ -137,12 +137,10 @@ def jellyfin_item_matches_request(
     request_provider_ids = extract_request_provider_ids(request_payload or {})
     item_provider_ids = extract_request_provider_ids(item)
 
-    provider_priority = ("tmdb", "tvdb", "imdb")
-    for key in provider_priority:
-        request_id = request_provider_ids.get(key)
-        item_id = item_provider_ids.get(key)
-        if request_id and item_id and request_id == item_id:
-            return True
+    shared = set(request_provider_ids) & set(item_provider_ids)
+    if shared:
+        # Conflicting metadata must never fall through to title matching.
+        return all(request_provider_ids[key] == item_provider_ids[key] for key in shared)
 
     request_title = _normalize_media_title(title)
     if not request_title:
@@ -169,11 +167,6 @@ def jellyfin_item_matches_request(
     if request_title in item_titles:
         return True
 
-    if request_type == RequestType.tv:
-        for candidate in item_titles:
-            if candidate and (candidate.startswith(request_title) or request_title.startswith(candidate)):
-                return True
-
     return False