Function updateTaskState

src/utils/swarm/inProcessRunner.ts:519–541

* Updates task state in AppState.

(
  taskId: string,
  updater: (task: InProcessTeammateTaskState) => InProcessTeammateTaskState,
  setAppState: SetAppStateFn,
)

 * Updates task state in AppState.
 */
function updateTaskState(
  taskId: string,
  updater: (task: InProcessTeammateTaskState) => InProcessTeammateTaskState,
  setAppState: SetAppStateFn,
): void {
  setAppState(prev => {
    const task = prev.tasks[taskId]
    if (!task || task.type !== 'in_process_teammate') {
      return prev
    }
    const updated = updater(task)
    if (updated === task) {
      return prev
    }
    return {
      ...prev,
      tasks: {
        ...prev.tasks,
        [taskId]: updated,
      },
    }
  })
}

/**
 * Sends a message to the leader's file-based mailbox.