feat: support minimizing window to tray on close (#41)

fix: grant set_skip_taskbar permission through default capability

chore: align settings casing and defaults between Rust and frontend

Co-authored-by: Jason <farion1231@gmail.com>

src/types.ts

@@ -24,6 +24,8 @@ export interface AppConfig {
 export interface Settings {
   // 是否在系统托盘（macOS 菜单栏）显示图标
   showInTray: boolean;
+  // 点击关闭按钮时是否最小化到托盘而不是关闭应用
+  minimizeToTrayOnClose: boolean;
   // 覆盖 Claude Code 配置目录（可选）
   claudeConfigDir?: string;
   // 覆盖 Codex 配置目录（可选）