fix(agent): preserve episode lock on unchanged totals (#6271)

tests/test_agent_query_subscribes.py

@@ -0,0 +1,35 @@
+import asyncio
+import json
+from unittest.mock import patch
+
+from app.agent.tools.impl.query_subscribes import QuerySubscribesTool
+from app.db.models.subscribe import Subscribe
+from app.schemas.types import MediaType
+
+
+def test_agent_query_subscribes_returns_manual_total_episode():
+    """订阅查询应返回手动总集数标记，供 Agent 判断元数据是否可自动刷新。"""
+    subscribe = Subscribe(
+        id=160,
+        name="测试剧集",
+        type=MediaType.TV.value,
+        tmdbid=224839,
+        season=1,
+        total_episode=175,
+        manual_total_episode=1,
+        state="P",
+    )
+
+    with patch(
+        "app.agent.tools.impl.query_subscribes.SubscribeOper.async_list",
+        return_value=[subscribe],
+    ):
+        result = asyncio.run(
+            QuerySubscribesTool(session_id="session-1", user_id="10001").run(
+                tmdb_id=224839,
+            )
+        )
+
+    _, result_json = result.split("\n\n", maxsplit=1)
+    payload = json.loads(result_json)
+    assert payload[0]["manual_total_episode"] == 1