Test Jellyfin item query compatibility path

tests/test_jellyfin.py

@@ -17,6 +17,35 @@ from scene_search.jellyfin import (
 
 
 class JellyfinIntegrationTests(unittest.TestCase):
+    def test_item_detail_uses_items_query_not_direct_item_route(self) -> None:
+        client = JellyfinClient("http://jellyfin.test", "token")
+        response = Mock()
+        response.ok = True
+        response.json.return_value = {
+            "Items": [
+                {
+                    "Id": "item-1",
+                    "Name": "Example",
+                    "Tags": ["Tag"],
+                    "MediaSources": [],
+                    "Trickplay": {},
+                    "Etag": "etag-1",
+                }
+            ]
+        }
+        client._get = Mock(return_value=response)
+
+        result = client.item("item-1")
+
+        self.assertEqual(result["Id"], "item-1")
+        call = client._get.call_args
+        self.assertEqual(call.args[0], "/Items")
+        self.assertEqual(call.kwargs["params"]["Ids"], "item-1")
+        self.assertIn("Tags", call.kwargs["params"]["Fields"])
+        self.assertIn("MediaSources", call.kwargs["params"]["Fields"])
+        self.assertIn("Trickplay", call.kwargs["params"]["Fields"])
+        self.assertIn("Etag", call.kwargs["params"]["Fields"])
+
     def test_select_trickplay_prefers_nearest_width(self) -> None:
         item = {
             "Trickplay": {