{
  "plan": "稳定组合 ¥10000 一次性买入 (2026-10-08)",
  "boughtAt": null,
  "positions": [
    { "code": "510300", "name": "沪深300ETF", "plannedAmount": 4000, "costPrice": null, "shares": null },
    { "code": "512890", "name": "红利低波ETF", "plannedAmount": 2000, "costPrice": null, "shares": null },
    { "code": "003547", "name": "短债基金(场外)", "plannedAmount": 2500, "costPrice": null, "shares": null },
    { "code": "cash", "name": "货币基金", "plannedAmount": 1000, "costPrice": 1, "shares": 1000 }
  ],
  "rebalance": "每年一次；偏差>5%时拉回目标比例",
  "buyMoreRule": "沪深300ETF 较成本价 -8% 时动用 cash 补仓"
}