[功能请求] 功能列表

### QQ(TIM)版本/QQ(TIM) Version

9.0.0.14110

### 为什么你认为需要此功能

方便查看和管理全部启用的功能，并帮助找到导致 #810 的功能

### 联系到哪些已经存在的bug或者功能

_No response_

### 具体功能需要/Specific features require

在 调试 -> 故障排查 -> 功能 新增一个 功能列表 项目，或者为 功能异常列表 中的功能添加开关

The issue names the Debug > Troubleshooting > Function entry point and related issue #810; begin by tracing that UI entry point and reviewing #810. Confirm whether the intended result is a complete enabled-feature list, per-feature switches, or both. Done means the agreed feature-management view is available and supports identifying the feature involved in #810.

Written by the indexing model from the issue text.