docs: 新增部署文档模板与位置约定 (#24)

新增 Deployment-Template 模板页及镜像，固化 nginx 反代 + supervisor
托管的 Python 服务部署做法；明确部署文档在有无常驻服务两种情况下的
落点，并在新项目初始化加入部署页判定。模板文件纳入 REQUIRED_FILES，
部署实例页不进入 CORE_DOCUMENT_REQUIREMENTS 强制检查。

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

tests/test_harness_docs.py

@@ -3,17 +3,20 @@ from __future__ import annotations
 import sys
 import tempfile
 import unittest
+import unittest.mock
 from pathlib import Path
 
 
 ROOT = Path(__file__).resolve().parents[1]
 sys.path.insert(0, str(ROOT / "dev_scripts"))
 
+import harness  # noqa: E402
 from harness import (  # noqa: E402
     CORE_DOCUMENT_REQUIREMENTS,
     CORE_PAGE_PATHS,
     REQUIRED_FILES,
     check_claude_code_entry,
+    check_required_files,
     check_core_documents,
     check_agent_efficiency_rules,
     check_repository_readme,
@@ -110,6 +113,25 @@ 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_deployment_template_is_required_and_mapped(self) -> None:
+        path = "docs/templates/deployment.md"
+        self.assertIn(path, REQUIRED_FILES)
+        config = load_config()
+        mappings = {mapping.page: mapping.path for mapping in config.mappings}
+        self.assertEqual(mappings.get("Deployment-Template"), path)
+        # 部署页按项目需要创建，不强制每个项目产出实例页。
+        self.assertNotIn(path, CORE_DOCUMENT_REQUIREMENTS)
+
+    def test_missing_deployment_template_is_reported(self) -> None:
+        with tempfile.TemporaryDirectory() as directory:
+            root = Path(directory)
+            with unittest.mock.patch.object(harness, "ROOT", root):
+                errors: list[str] = []
+                check_required_files(errors)
+        self.assertTrue(
+            any("docs/templates/deployment.md" in error for error in errors)
+        )
+
     def test_missing_or_wrong_core_mapping_is_reported(self) -> None:
         errors = core_mapping_errors({"Home": "docs/wrong.md"})
         self.assertTrue(any("Home -> docs/README.md" in error for error in errors))