Function unregisterForeground

src/tasks/LocalShellTask/LocalShellTask.tsx:491–514

(taskId: string, setAppState: SetAppState)

 * Unregister a foreground task when the command completes without being backgrounded.
 */
export function unregisterForeground(taskId: string, setAppState: SetAppState): void {
  let cleanupFn: (() => void) | undefined;
  setAppState(prev => {
    const task = prev.tasks[taskId];
    // Only remove if it's a foreground task (not backgrounded)
    if (!isLocalShellTask(task) || task.isBackgrounded) {
      return prev;
    }

    // Capture cleanup function to call outside of updater
    cleanupFn = task.unregisterCleanup;
    const {
      [taskId]: removed,
      ...rest
    } = prev.tasks;
    return {
      ...prev,
      tasks: rest
    };
  });

  // Call cleanup outside of the state updater (avoid side effects in updater)
  cleanupFn?.();
}
async function flushAndCleanup(shellCommand: ShellCommand): Promise<void> {
  try {
    await shellCommand.taskOutput.flush();