feat: Page Data dev loop, adm Code Run UI, and customer order demo

Add verify→Aider→OpenHands dev loop, memindadm config/history UI, and john4
customer-order Page Data demo with scenario + verification scripts.

Co-authored-by: Cursor <cursoragent@cursor.com>

scenarios/customer-order-system.json

@@ -0,0 +1,32 @@
+{
+  "id": "customer-order-system",
+  "name": "客户下单系统（Page Data 前后台）",
+  "description": "用户话术 → Goose page-data-collect 生成下单页 + 管理后台 → 验证 Page Data 交付",
+  "account": {
+    "username": "john4",
+    "password": "888888"
+  },
+  "steps": [
+    {
+      "action": "login",
+      "label": "登录 john 账户"
+    },
+    {
+      "action": "chat",
+      "label": "创建客户下单系统（前端下单 + 后台管理）",
+      "message": "帮我做一个客户下单系统，分前端和后端两个页面：\n\n【前端下单页】客户填写：客户姓名、联系电话、商品名称、购买数量、收货地址、备注（选填），提交后保存到数据库。\n\n【管理后台页】密码 88888888，能查看所有订单列表，显示下单时间和状态，能按商品名称做简单统计，支持导出 CSV。\n\n要求：使用 Page Data 公开 API（page-data-client.js），不要自建后端；页面简洁可用；做完把下单页链接和后台链接发给我。",
+      "selectedChatSkill": "page-data-collect",
+      "expect": {
+        "assistantMinChars": 80,
+        "timeoutMs": 600000,
+        "replyKeywords": ["下单", "后台"],
+        "forbidReplyPatterns": ["8899", "127.0.0.1:", "PLACEHOLDER_PAGE_ID", "survey-api"],
+        "survey": {
+          "requirePolicy": true,
+          "requireDataset": true,
+          "forbidHtmlPatterns": ["localStorage", "sessionStorage", "fetch('/api/"]
+        }
+      }
+    }
+  ]
+}