Bring the Wails desktop shell to feature parity with the CLI for provider and alias management while keeping the browser fallback working. Wire tray, notifications, autostart, and GUI warnings so desktop flows behave predictably.
Avoid collision with the existing Opswitch product while keeping the repository name as opencode-provider-switch.
This aligns the CLI, provider key, config paths, examples, and Trellis history under one public-facing name.