{
  "customer_balance": {
    "params": {
      "title": "客户余额管理",
      "dbname": "sageapi",
      "page_size": 20
    },
    "fields": [
      {"name": "id", "title": "客户ID", "type": "string", "readonly": true, "width": 120},
      {"name": "balance", "title": "余额", "type": "float", "width": 100, "align": "right"},
      {"name": "currency", "title": "货币", "type": "string", "width": 60},
      {"name": "credit_limit", "title": "信用额度", "type": "float", "width": 100, "align": "right"},
      {"name": "last_recharge", "title": "最后充值", "type": "datetime", "width": 160},
      {"name": "last_consumption", "title": "最后消费", "type": "datetime", "width": 160},
      {"name": "status", "title": "状态", "type": "select", "width": 80, "options": [{"value": "active", "label": "正常"}, {"value": "suspended", "label": "暂停"}, {"value": "arrears", "label": "欠费"}]},
      {"name": "cached_at", "title": "缓存时间", "type": "datetime", "width": 160, "readonly": true}
    ],
    "list": {
      "columns": ["id", "balance", "currency", "status", "last_recharge", "cached_at"],
      "filters": [
        {"field": "id", "type": "text", "label": "客户ID"},
        {"field": "status", "type": "select", "label": "状态", "options": [{"value": "", "label": "全部"}, {"value": "active", "label": "正常"}, {"value": "suspended", "label": "暂停"}, {"value": "arrears", "label": "欠费"}]}
      ]
    },
    "view": {"fields": ["id", "balance", "currency", "credit_limit", "last_recharge", "last_consumption", "status", "cached_at"]},
    "create": {"enabled": false},
    "update": {
      "enabled": true,
      "fields": ["balance", "credit_limit", "status"]
    },
    "delete": {"enabled": false}
  }
}