Wails v3 tray panel and window, TUI and CLI. Switches model, effort and provider for Claude Code, Codex, Gemini CLI, OpenCode, Pi, Goose, Cursor, Copilot CLI and Crush with format-preserving config edits. Providers page and registry, stored keys, live vendor model lists, profiles. Co-Authored-By: Claude <noreply@anthropic.com>