/config[key=value ...]

Opens Settings for theme, model, output style and more, or sets key=value pairs directly, e.g. /config theme=dark. /config --help lists keys.

Best use

/config theme=dark.

/settings

/colorSets the prompt bar color for this session: red, blue, green, yellow, purple, orange, pink or cyan; default resets, no argument picks a random color.
/focusToggles a view showing only your last prompt, a one-line tool summary and the final response.
/keybindingsOpens your keyboard shortcuts file.
/scroll-speedAdjusts mouse wheel scroll speed.
/statuslineConfigures the status line; describe what you want, or run without arguments to derive it from your shell prompt.
/terminal-setupInstalls Shift+Enter for newlines in VS Code, Cursor, Devin Desktop, Alacritty or Zed; in Apple Terminal enables Option+Enter and disables the bell; in iTerm2 enables clipboard access for /copy.
/themeChanges the color theme: auto, light and dark, colorblind-accessible, ANSI and custom themes.
/tuiSets the terminal renderer and relaunches with the conversation intact.