袁聪的第一次提交，包含nl2sql,行情数据,场外申购

app/service/offsite_nl2sql_adapter.py

@@ -0,0 +1,45 @@
+"""场外基金专用 NL2SQL 适配器。
+
+该适配器只隔离调用边界，不改写 `nl2sql_yc.query_dict` 的业务能力。
+"""
+
+from importlib import import_module
+from typing import cast
+
+from app.core.contracts import RequestContext
+
+
+class OffsiteNl2SqlAdapter:
+    """把场外基金上下文转换为 `nl2sql_yc.query_dict` 可接受的稳定参数。"""
+
+    script_path = "nl2sql_yc.py"
+
+    def query(self, question: str, context: RequestContext) -> dict[str, object]:
+        try:
+            query_dict = getattr(import_module("nl2sql_yc"), "query_dict", None)
+            if not callable(query_dict):
+                return {"status": "error", "message": "NL2SQL入口query_dict不存在"}
+            result = cast(dict[str, object], query_dict(
+                question,
+                self._auth_context(context),
+                use_llm=False,
+                persist_audit=False,
+            ))
+            if isinstance(result, dict):
+                return result
+            return {"status": "error", "message": "NL2SQL返回格式不正确"}
+        except Exception as exc:
+            return {"status": "error", "message": f"NL2SQL调用失败：{type(exc).__name__}"}
+
+    @staticmethod
+    def _auth_context(context: RequestContext) -> dict[str, object]:
+        return {
+            "user_id": int(context.user_id) if context.user_id.isdigit() else None,
+            "roles": list(context.roles),
+            "allowed_domains": ["market_nav", "trading_account", "product_fee"],
+            "customer_scope": context.data_scope if context.data_scope in {
+                "self", "own_customers", "all",
+            } else "all",
+            "max_rows": 100,
+            "max_query_seconds": 10,
+        }