fix:客服agent增加转人工

nl2sql/query_rewriter.py

@@ -106,7 +106,6 @@ async def rewrite_query(
                 {"role": "user", "content": prompt},
             ],
             temperature=0,
-            max_tokens=512,
         )
     except Exception:  # noqa: BLE001 改写失败不阻断原查询
         logger.warning("NL2SQL 查询问题改写失败，继续使用原问题", exc_info=True)
@@ -115,4 +114,4 @@ async def rewrite_query(
     return value or original
 
 
-__all__ = ["rewrite_query"]
+__all__ = ["rewrite_query"]

nl2sql/result.py

@@ -67,8 +67,7 @@ async def render_answer(
                 {"role": "user", "content": prompt},
             ],
             temperature=0,
-            max_tokens=256,
         )
     except Exception:  # noqa: BLE001 摘要失败回退固定文本
         return fallback
-    return answer.strip() or fallback
+    return answer.strip() or fallback

nl2sql/sql_agent.py

@@ -74,7 +74,7 @@ async def generate_sql(
         },
     ]
     try:
-        output = await llm_client.chat(messages, temperature=0, max_tokens=256)
+        output = await llm_client.chat(messages, temperature=0)
     except Exception as exc:  # noqa: BLE001 统一收敛模型异常
         raise SqlGenerationError("SQL 模型调用失败") from exc
     sql = _clean_model_output(output)
@@ -86,4 +86,4 @@ async def generate_sql(
         raise SqlGenerationError("模型返回的 SQL 无法解析") from exc
     if len(statements) != 1 or not isinstance(statements[0], exp.Select):
         raise SqlGenerationError("模型只允许返回单条 SELECT")
-    return GeneratedSql(sql=statements[0].sql(dialect="mysql"))
+    return GeneratedSql(sql=statements[0].sql(dialect="mysql"))