{
    "name": "K PLUS 记账 API + 统计页面",
    "endpoints": {
        "POST \/api\/add": "添加支出",
        "GET  \/api\/stats": "统计（含双币种工资折算、预计月结余\/年结余）",
        "GET  \/api\/list": "列表（支持 ?start= &end= &limit=）",
        "GET  \/api\/salary": "查询某月工资（?month=YYYY-MM）",
        "POST \/api\/salary": "设置某月工资 { \"month\", \"salary_thb\", \"salary_rmb\", \"rate_cny_thb\" }",
        "GET  \/ 或 \/dashboard": "统计网页（密码保护，双屏：1 概览+储蓄预测，2 记账记录增删改）"
    },
    "auth": "API: Header Authorization: Bearer TOKEN 或 ?token=TOKEN； 网页: config.php 中设置 DASHBOARD_PASSWORD"
}