袁聪的第一次提交，包含nl2sql,行情数据,场外申购

app/service/model_gateway.py

@@ -1,7 +1,7 @@
 import os
 from collections.abc import Mapping
 from dataclasses import dataclass
-from typing import Any, Protocol
+from typing import Any, Protocol, cast
 
 import httpx
 from sqlalchemy import select
@@ -91,7 +91,9 @@ class DatabaseModelGateway:
             ))
         if endpoint is None:
             raise RecoverableAgentError("模型端点未注册或未激活")
-        adapter = OpenAICompatibleGateway({endpoint.endpoint_code: endpoint})
+        adapter = OpenAICompatibleGateway({
+            endpoint.endpoint_code: cast(EndpointSettings, endpoint)
+        })
         return await adapter.generate(
             endpoint_code=endpoint.endpoint_code, prompt=prompt, timeout_ms=timeout_ms
         )