把复杂业务，
做成能上线。

const orders = await listDemandOrders({
  scope: 'accepted',
  category: '内容生产'
})

const detail = await getDemandOrder(order.id)
if (detail.canSubmitDelivery) {
  await submitDelivery(order.id, payload)
}

Route::post(
  'api/v1/demand-orders/accept',
  'api/DemandOrder/accept'
);

IdempotencyService::run(
  'demand-orders.accept',
  (int) $user['id'],
  function () use ($user) {
    return DemandOrderService::accept(
      $user,
      $this->input()
    );
  }
);

pending_review
  → pending_deposit
  → pending_publish
  → open
  → accepted
  → pending_taker_deposit
  → accepted
  → pending_acceptance
  → completed

exception → disputed