Function backgroundAgentTask

src/tasks/LocalAgentTask/LocalAgentTask.tsx:620–652

(taskId: string, getAppState: () => AppState, setAppState: SetAppState)

 * @returns true if backgrounded successfully, false otherwise
 */
export function backgroundAgentTask(taskId: string, getAppState: () => AppState, setAppState: SetAppState): boolean {
  const state = getAppState();
  const task = state.tasks[taskId];
  if (!isLocalAgentTask(task) || task.isBackgrounded) {
    return false;
  }

  // Update state to mark as backgrounded
  setAppState(prev => {
    const prevTask = prev.tasks[taskId];
    if (!isLocalAgentTask(prevTask)) {
      return prev;
    }
    return {
      ...prev,
      tasks: {
        ...prev.tasks,
        [taskId]: {
          ...prevTask,
          isBackgrounded: true
        }
      }
    };
  });

  // Resolve the background signal to interrupt the agent loop
  const resolver = backgroundSignalResolvers.get(taskId);
  if (resolver) {
    resolver();
    backgroundSignalResolvers.delete(taskId);
  }
  return true;
}

/**
 * Unregister a foreground agent task when the agent completes without being backgrounded.