docs: 规范 PowerShell UTF-8 与执行策略 (#28)

tests/test_harness_docs.py

@@ -129,6 +129,16 @@ class CoreDocumentTests(unittest.TestCase):
         self.assertIn("### 3. 识别子项目与交付单元", required)
         self.assertIn("#### 需求总览启用条件", required)
 
+    def test_local_development_requires_powershell_utf8_boundaries(self) -> None:
+        required = CORE_DOCUMENT_REQUIREMENTS[
+            "docs/04-local-development-and-verification.md"
+        ]
+        self.assertIn("## Windows PowerShell 与 UTF-8", required)
+
+        errors: list[str] = []
+        check_agent_efficiency_rules(errors)
+        self.assertEqual(errors, [])
+
     def test_deployment_template_is_required_and_mapped(self) -> None:
         path = "docs/templates/deployment.md"
         self.assertIn(path, REQUIRED_FILES)