feat(bookings): add transaction document uploads for bank payments

Add payment method selection (Cash/Bank) to booking details
Support uploading, downloading, and deleting transaction documents
Update database schema and API endpoints to handle file storage

server/api/bookings/[id]/transaction-document.delete.ts

@@ -0,0 +1,26 @@
+import type { UpdateBookingDetailsResponse } from '~~/shared/booking'
+
+import { requireAuth } from '../../../utils/auth'
+import { clearBookingTransactionDocument } from '../../../utils/booking-repository'
+import { getRequiredRouteParam, httpError } from '../../../utils/http'
+import { deleteTransactionDocument } from '../../../utils/transaction-documents'
+
+export default defineEventHandler(async (event): Promise<UpdateBookingDetailsResponse> => {
+  const auth = await requireAuth(event)
+  const bookingId = getRequiredRouteParam(event, 'id', 'Booking ID')
+
+  const result = await clearBookingTransactionDocument({
+    bookingId,
+    personInChargeId: auth.user.role === 'super_admin' ? undefined : auth.user.id
+  })
+
+  if (!result) {
+    httpError(404, 'Booking not found')
+  }
+
+  await deleteTransactionDocument(result.previousStorageName)
+
+  return {
+    booking: result.booking
+  }
+})