Function getSubCommand

packages/cli/src/ui/commands/chatCommand.test.ts:47–57

(
    name: 'list' | 'save' | 'resume' | 'delete',
  )

  let mockGetHistory: ReturnType<typeof vi.fn>;

  const getSubCommand = (
    name: 'list' | 'save' | 'resume' | 'delete',
  ): SlashCommand => {
    const subCommand = chatCommand.subCommands?.find(
      (cmd) => cmd.name === name,
    );
    if (!subCommand) {
      throw new Error(`/chat ${name} command not found.`);
    }
    return subCommand;
  };

  beforeEach(() => {
    mockGetHistory = vi.fn().mockReturnValue([]);