[Feature Request]: Add /setting

[sorrycc]

Problem

Set the config with GUI.

Solution

1. Add items as below.

Model & Reasoning
- Model: 
- Reasoning level: Disabled / Low / Medium / High

Preferences
- Completion Sound: Off / Terminal Bell / FX-OK01 / FX-ACK01 / Custom Sound
- Play sounds: Always / When focused / When unfocused
- Show tips: On / Off
- Diff display mode: Github / Unified
- Respect .gitignore in file picker: On / Off
- Theme: Dark mode / Light mode
- Auto compact: On / Off

Integrations
- Install VSCode Extension: Uninstalled / Installed v0.0.0
- Auto-connect to IDE: On / Off

2. Enter to select and ESC to exit.

Alternatives

No response

Importance

nice to have

Additional Information

No response