feat: Add search_imdbid to subscriptions and improve error message propagation and handling for existing subscriptions.

app/agent/tools/impl/add_subscribe.py

@@ -108,6 +108,9 @@ class AddSubscribeTool(MoviePilotTool):
                 **subscribe_kwargs
             )
             if sid:
+                if message and "已存在" in message:
+                    return f"订阅已存在：{title} ({year})。如需修改参数请先删除旧订阅。"
+
                 result_msg = f"成功添加订阅：{title} ({year})"
                 if subscribe_kwargs:
                     params = []

app/chain/subscribe.py

@@ -292,7 +292,7 @@ class SubscribeChain(ChainBase):
             "description": mediainfo.overview
         })
         # 返回结果
-        return sid, ""
+        return sid, err_msg
 
     async def async_add(self, title: str, year: str,
                         mtype: MediaType = None,
@@ -469,7 +469,7 @@ class SubscribeChain(ChainBase):
             "description": mediainfo.overview
         })
         # 返回结果
-        return sid, ""
+        return sid, err_msg
 
     @staticmethod
     def exists(mediainfo: MediaInfo, meta: MetaBase = None):

app/db/subscribe_oper.py

@@ -71,6 +71,7 @@ class SubscribeOper(DbOper):
             "backdrop": mediainfo.get_backdrop_image(),
             "vote": mediainfo.vote_average,
             "description": mediainfo.overview,
+            "search_imdbid": 1 if kwargs.get('search_imdbid') else 0,
             "date": time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
         })
         if not subscribe: