feat(api): update endpoint to support new parameter

Update the API server to support the new parameter from the core library (PR #1032).

lightrag/api/routers/query_routes.py

@@ -78,6 +78,11 @@ class QueryRequest(BaseModel):
         description="Number of complete conversation turns (user-assistant pairs) to consider in the response context.",
     )
 
+    ids: list[str] | None = Field(
+        default=None,
+        description="List of ids to filter the results."
+    )
+
     user_prompt: Optional[str] = Field(
         default=None,
         description="User-provided prompt for the query. If provided, this will be used instead of the default value from prompt template.",