fix(ths): get_balance 可见性过滤——多账户下误读其他账户资金数字 - #7
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2026-07-14 双账户切换演练发现：xiadan 多账户登录时每个账户各挂一套 同 ID 资金控件(0x3F4..)，只有当前账户的可见。get_balance 是全代码库 唯一不带 visible 过滤的控件查找（_find_grid/_find_input/撤单按钮/ 策略下拉/提交按钮均为可见优先），Alt+2 已切到账户二后 balance 仍 返回账户一全套数字，真钱 sizing 输入被污染；position 因 _find_grid 带 visible=True 读数正确，两者对照坐实根因。 修法与既有模式对齐：可见优先、放宽兜底（单账户/旧皮肤兼容），兜底 命中时留 warning。新增跨平台回归用例锁定查找顺序。 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
兜底在面板加载间隙同样可能抓到其他账户的隐藏副本；真钱 sizing 宁可失败重试，不可静默读错。重试结构与 get_position 对齐。 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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July 13, 2026 17:16
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事故现场（2026-07-14 凌晨双账户演练）
xiadan 登录两个账户（Alt+1 国金 / Alt+2 银河空账户）。
switch_account发 Alt+2 切换成功（肉眼确认界面在账户二、position返回空），但balance仍返回账户一的全套数字（总资产 34915.47，账户二实际 1.65）。同屏对照实锤：position 对、balance 错。根因
多账户下每个账户各挂一套同 ID 资金控件（0x3F4..），只有当前账户的可见——ID 维度天然区分不了账户，可见性才能。
get_balance是全代码库唯一不带visible过滤的控件查找（_find_grid/_find_input/撤单按钮/策略下拉/提交按钮均为可见优先），枚举先撞到其他账户的隐藏副本。修法
只认可见控件；读不到重试后明确报失败（code 1），不做未过滤兜底——兜底在面板加载间隙同样可能抓到隐藏副本，真钱 sizing 宁可失败不可读错。重试结构与
get_position对齐。2 条跨平台回归用例锁定：① 可见副本必须优先；② 无可见控件必须失败、隐藏面板数字绝不进返回。本地 113 passed / 10 skipped。实测清单（Windows 端更新后，MCP 返回 vs 屏幕肉眼对照）
🤖 Generated with Claude Code