[AI Generated]: refactor(*): 保活定时器与连接清理逻辑收口至 app.js，修复 null 安全与注释错误

- 新增 app.startKeepAlive/stopKeepAlive/cleanupConnection，bus 监听自动控制保活与断联清理
- Blue.stop() 收入 cleanupConnection，页面 onHide/onUnload 统一调用
- 修复 replaceNetwork.js seviceList 可能为 undefined 导致崩溃
- 修复 configureDevice_2.js device.mac 为 null 时崩溃
- 修复 replaceNetwork_1.js activeProtocol 无 null 检查及 wifiList 容错
- 修正 configureDevice_4.js 超时注释（3分钟→30秒）

This commit is contained in:

17792275749

2026-04-08 14:56:48 +08:00

parent 5096ceaa53

commit de8fa1fca8

7 changed files with 67 additions and 69 deletions

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