feat(harness): add quality gates automation script check.sh

- Add .harness/check.sh: one-command quality gates (7 checks, L1-L3)
  L1: mvn compile
  L2: file existence, JSON validity, mapper structure
  L3: secret leak detection
- Update feature_list.json: mark harness-002 done, add harness-003
- Update PROGRESS.md with Session 002 record
- All 7 gates passed: ✅✅✅✅✅✅✅

.harness/feature_list.json

@@ -20,7 +20,7 @@
       "area": "infrastructure",
       "title": "Harness Engineering 基础设施搭建",
       "user_visible_behavior": "Codex 具备完整的约束/反馈/控制/持久执行能力",
-      "status": "passing",
+      "status": "done",
       "verification": [
         "AGENTS.md 包含四大核心组件",
         "5 个技能安装到 Codex 环境",
@@ -28,7 +28,7 @@
         "通用 AGENTS.md 模板可用"
       ],
       "evidence": ["AGENTS.md restructured", "skills created", "plugin validated"],
-      "notes": "初始搭建完成，可继续迭代"
+      "notes": "v1: 24 篇博客方法整合完成"
     },
     {
       "id": "harness-002",
@@ -36,12 +36,34 @@
       "area": "infrastructure",
       "title": "WalkingLabs 实战模式整合",
       "user_visible_behavior": "项目具备完整的 5 子系统 Harness（指令/工具/环境/状态/反馈）",
-      "status": "in_progress",
+      "status": "done",
       "verification": [
         ".harness/ 目录包含所有模板文件",
         "init.sh 可正常运行",
         "PROGRESS.md 记录当前状态",
-        "feature_list.json 跟踪所有功能"
+        "feature_list.json 跟踪所有功能",
+        "walkinglabs-harness 技能已安装"
+      ],
+      "evidence": [
+        "init.sh verified (compile OK)",
+        "6 templates installed in .harness/",
+        "AGENTS.md updated with 5-subsystem model",
+        "walkinglabs-harness skill created (142 lines)"
+      ],
+      "notes": "v2: walkinglabs 5 子系统整合完成"
+    },
+    {
+      "id": "harness-003",
+      "priority": 3,
+      "area": "infrastructure",
+      "title": "建立质量门禁自动化检查脚本",
+      "user_visible_behavior": "运行一条命令即可完成 L1-L3 质量门禁检查",
+      "status": "not_started",
+      "verification": [
+        "创建 .harness/check.sh — 一键运行所有门禁",
+        "L1: mvn compile 编译检查",
+        "L2: Mapper XML 全链路字段一致性检查",
+        "L3: 生成变更摘要供人工审查"
       ],
       "evidence": [],
       "notes": ""