Function unassignTeammateTasks

src/utils/tasks.ts:818–860

(
  teamName: string,
  teammateId: string,
  teammateName: string,
  reason: 'terminated' | 'shutdown',
)

 * @returns The unassigned tasks and a formatted notification message
 */
export async function unassignTeammateTasks(
  teamName: string,
  teammateId: string,
  teammateName: string,
  reason: 'terminated' | 'shutdown',
): Promise<UnassignTasksResult> {
  const tasks = await listTasks(teamName)
  const unresolvedAssignedTasks = tasks.filter(
    t =>
      t.status !== 'completed' &&
      (t.owner === teammateId || t.owner === teammateName),
  )

  // Unassign each task and reset status to open
  for (const task of unresolvedAssignedTasks) {
    await updateTask(teamName, task.id, { owner: undefined, status: 'pending' })
  }

  if (unresolvedAssignedTasks.length > 0) {
    logForDebugging(
      `[Tasks] Unassigned ${unresolvedAssignedTasks.length} task(s) from ${teammateName}`,
    )
  }

  // Build notification message
  const actionVerb =
    reason === 'terminated' ? 'was terminated' : 'has shut down'
  let notificationMessage = `${teammateName} ${actionVerb}.`
  if (unresolvedAssignedTasks.length > 0) {
    const taskList = unresolvedAssignedTasks
      .map(t => `#${t.id} "${t.subject}"`)
      .join(', ')
    notificationMessage += ` ${unresolvedAssignedTasks.length} task(s) were unassigned: ${taskList}. Use TaskList to check availability and TaskUpdate with owner to reassign them to idle teammates.`
  }

  return {
    unassignedTasks: unresolvedAssignedTasks.map(t => ({
      id: t.id,
      subject: t.subject,
    })),
    notificationMessage,
  }
}

export const DEFAULT_TASKS_MODE_TASK_LIST_ID = 'tasklist'