Function findModeBySlug

src/shared/modes.ts:101–103

(slug: string, modes: readonly ModeConfig[] | undefined)

 * Find a mode by its slug, don't fall back to built-in modes
 */
export function findModeBySlug(slug: string, modes: readonly ModeConfig[] | undefined): ModeConfig | undefined {
	return modes?.find((mode) => mode.slug === slug)
}

/**
 * Get the mode selection based on the provided mode slug, prompt component, and custom modes.