From c32873b3d4bae588c77ff59d5f099598eb021884 Mon Sep 17 00:00:00 2001
From: leefer <leefer@local>
Date: Sun, 2 Aug 2026 08:49:57 +0800
Subject: [PATCH] fix: restore llm model validation dependency

---
 app/backend/llm/service.py        |  1 +
 app/tests/test_llm_gateway.py     | 27 +++++++++++++++++++++++++++
 docs/governance/code-reduction.md | 14 ++++++++++++++
 3 files changed, 42 insertions(+)

diff --git a/app/backend/llm/service.py b/app/backend/llm/service.py
index 31da5b1..13e5c35 100644
--- a/app/backend/llm/service.py
+++ b/app/backend/llm/service.py
@@ -4,6 +4,7 @@ from datetime import datetime, timezone
 from typing import Any
 from urllib.parse import urlparse
 
+from backend.bootstrap.config import validate_text
 from backend.features.screener.compiler import LLMCompilerError, test_llm_connection
 
 
diff --git a/app/tests/test_llm_gateway.py b/app/tests/test_llm_gateway.py
index 7e68769..7e7ff77 100644
--- a/app/tests/test_llm_gateway.py
+++ b/app/tests/test_llm_gateway.py
@@ -1,8 +1,10 @@
 from __future__ import annotations
 
 import unittest
+from unittest.mock import patch
 
 from backend.llm import LLMGateway, LLMGatewayError
+from backend.llm.service import LLMServiceMixin
 
 
 class ProviderFailure(RuntimeError):
@@ -113,6 +115,31 @@ class LLMGatewayTests(unittest.TestCase):
         with self.assertRaisesRegex(LLMGatewayError, "额度已用完"):
             gateway.call("mentor", "mentor-v1", lambda model: "unused", (ProviderFailure,))
 
+    def test_saved_system_model_can_reach_the_connection_probe(self) -> None:
+        service = LLMServiceMixin()
+        service._system_credentials = {
+            "llm_models": [
+                {
+                    "id": "primary-model",
+                    "name": "主模型",
+                    "api_key": "secret",
+                    "base_url": "https://model.example/v1",
+                    "model": "model-name",
+                }
+            ]
+        }
+        service.llm_gateway = self.gateway()
+        expected = {"ok": True, "reply": "OK"}
+        with patch(
+            "backend.llm.service.test_llm_connection", return_value=expected
+        ) as connection_probe:
+            result = service.test_system_llm_profile("primary-model", {})
+
+        self.assertEqual(result, expected)
+        connection_probe.assert_called_once_with(
+            "secret", "https://model.example/v1", "model-name"
+        )
+
 
 if __name__ == "__main__":
     unittest.main()
diff --git a/docs/governance/code-reduction.md b/docs/governance/code-reduction.md
index 4c77101..8592730 100644
--- a/docs/governance/code-reduction.md
+++ b/docs/governance/code-reduction.md
@@ -274,6 +274,20 @@
 本批基线为`xiaobai-reduction-10-repository-ownership-20260801`；检查点为
 `xiaobai-reduction-11-background-jobs-20260801`。
 
+## CR-11人工验收修正
+
+- 2026-08-02人工验收发现本地页面可访问，但行情与LLM同时无法连接。第一原因是验收服务由受限
+  自动化会话启动，子进程继承了禁止外部网络访问的权限；重新在主机正常网络权限下启动后恢复。
+- 随后的主模型连接测试暴露`LLMServiceMixin`机械迁移时遗漏`validate_text`导入，导致请求在真正
+  访问模型前抛出`NameError`并关闭HTTP连接；恢复原依赖并增加保存模型连接探测的运行契约测试。
+- 网站自身实测`000001`返回Tushare日K 60根、分时242点；主模型
+  `MiniMax-M2.7-highspeed`在2236毫秒内回复`OK`，证明服务进程的数据与LLM出网链路均已恢复。
+- 修正后候选329项、纯`app/`导出266项通过；本次只恢复缺失导入和测试，不修改模型配置、额度、
+  提示词、回退策略、行情来源或计算逻辑。
+
+本修正基线为`xiaobai-reduction-11-background-jobs-20260801`；检查点为
+`xiaobai-reduction-11-runtime-connectivity-fix-20260802`。
+
 ## 人工验收记录
 
 - 2026-08-01：用户检查CR-02与CR-03运行结果，确认未发现明显异常。本记录仅表示本轮可见功能与