feat: zcode thinking-mode 0.3.0（state历史+rollback+分写+校验收紧+34用例全绿+文档）

package.json

@@ -0,0 +1,20 @@
+{
+  "name": "zcode-plugin-workspace",
+  "private": true,
+  "type": "module",
+  "description": "ZCode 自研插件工作区:源码在这里改,deploy.mjs 同步到 ~/.zcode/plugins 并跑测试+审计。",
+  "scripts": {
+    "deploy": "node deploy.mjs",
+    "deploy:dry": "node deploy.mjs --dry-run",
+    "audit": "node audit-plugins.mjs",
+    "audit:drift": "node audit-plugins.mjs --drift",
+    "test": "node --test \"tests/*.test.mjs\"",
+    "test:tools": "node --test tests/tools.test.mjs",
+    "test:env-sync": "npm test --prefix zcode-env-sync",
+    "test:thinking": "npm test --prefix zcode-thinking-mode",
+    "test:all": "npm run test:tools && npm run test:env-sync && npm run test:thinking"
+  },
+  "engines": {
+    "node": ">=22.5"
+  }
+}