fix: channel ensure index exists

Author: zgqgit

src/backend/bisheng/channel/domain/services/article_es_service.py

@@ -35,6 +35,7 @@ async def _get_client(self) -> AsyncElasticsearch:
         """Get ES client, lazy loading"""
         if self._es_client is None:
             self._es_client = await get_es_connection()
+        await self.ensure_index()
         return self._es_client
 
     async def ensure_index(self) -> None:
@@ -448,7 +449,7 @@ async def count_articles_batch(
                 body.append({"query": query, "size": 0})
 
         response = await client.msearch(body=body)
-        
+
         counts = []
         for i, r in enumerate(response["responses"]):
             if i in zero_indices:
@@ -565,7 +566,8 @@ async def search_articles(
                 "post_tags": ["</em>"],
                 "fields": {
                     "title": {"number_of_fragments": 0, "highlight_query": highlight_query},
-                    "content": {"fragment_size": 200, "number_of_fragments": 3, "highlight_query": highlight_query, "max_analyzed_offset": 999999},
+                    "content": {"fragment_size": 200, "number_of_fragments": 3, "highlight_query": highlight_query,
+                                "max_analyzed_offset": 999999},
                 },
             }