Function handleNewCommand

src/browser/utils/chatCommands.ts:1670–1745

(
  parsed: Extract<ParsedCommand, { type: "new" }>,
  context: CommandHandlerContext
)

 * `pendingAutoTitle`.
 */
export async function handleNewCommand(
  parsed: Extract<ParsedCommand, { type: "new" }>,
  context: CommandHandlerContext
): Promise<CommandHandlerResult> {
  const {
    api: client,
    workspaceId,
    sendMessageOptions,
    setInput,
    setSendingState,
    setToast,
  } = context;

  setInput(""); // Clear input immediately, like /fork.
  setSendingState(true);

  try {
    // Get workspace info to extract projectPath. /new is a workspace-only
    // command, so the parent workspace's project becomes the new workspace's
    // project.
    const workspaceInfo = await client.workspace.getInfo({ workspaceId });
    if (!workspaceInfo) {
      throw new Error("Failed to get workspace info");
    }

    // Treat blank/whitespace-only payloads the same as no message — pendingAutoTitle
    // only makes sense when there is real content for the LLM to title from.
    const trimmedStartMessage = parsed.startMessage?.trim() ?? "";
    const startMessage = trimmedStartMessage.length > 0 ? trimmedStartMessage : undefined;

    const createResult = await createNewWorkspace({
      client,
      projectPath: workspaceInfo.projectPath,
      // workspaceName intentionally omitted — backend auto-generates (like /fork).
      startMessage,
      sendMessageOptions,
      // Match /fork: only flag pendingAutoTitle when there is a message to
      // generate the title from.
      pendingAutoTitle: Boolean(startMessage),
    });

    if (!createResult.success) {
      const errorMsg = createResult.error ?? "Failed to create workspace";
      console.error("Failed to create workspace:", errorMsg);
      setToast({
        id: Date.now().toString(),
        type: "error",
        title: "Create Failed",
        message: errorMsg,
      });
      return { clearInput: false, toastShown: true };
    }

    trackCommandUsed("new");
    const displayName =
      createResult.workspaceInfo?.title ?? createResult.workspaceInfo?.name ?? "new workspace";
    setToast({
      id: Date.now().toString(),