{
  "_说明": "账户清单以「腾讯账户简称.xlsx」为准（与 config 同目录；表头：账户名称 / 账户ID / 简称，可选目标CPA）。每次运行都重新读 Excel，增删账户后无需重新打包，下一整点自动生效。下面的 accounts 数组仅在 Excel 读取失败时兜底。",
  "accounts_file": "config/腾讯账户简称.xlsx",
  "settings": {
    "report_date": "auto",
    "trend_days": 7,
    "concurrency": 3,
    "target_cpa_default": null
  },
  "accounts": [
    { "account_id": "30300648", "name": "晋江一", "target_cpa": null },
    { "account_id": "60494197", "name": "泉州一", "target_cpa": null },
    { "account_id": "67726202", "name": "晋江二", "target_cpa": null }
  ]
}