fix(orders): send version and idempotency key for platform cancellation

src/modules/first-leg-orders/api/platformFirstLegOrders.ts

@@ -184,12 +184,17 @@ export function startPlatformFirstLegOrder(tenantId: string, orderId: string) {
   return postData<void>(`/platform/v1/orders/first-leg/${orderId}/start`, undefined, { tenantId })
 }
 
-export function completePlatformFirstLegOrder(tenantId: string, orderId: string) {
-  return postData<void>(`/platform/v1/orders/first-leg/${orderId}/complete`, undefined, { tenantId })
-}
-
-export function cancelPlatformFirstLegOrder(tenantId: string, orderId: string, reason: string) {
-  return postData<void>(`/platform/v1/orders/first-leg/${orderId}/cancel`, { reason }, { tenantId })
+export async function cancelPlatformFirstLegOrder(
+  tenantId: string,
+  orderId: string,
+  payload: { expectedVersion: number; reason: string },
+  idempotencyKey: string,
+) {
+  const response = await http.post<ApiEnvelope<void>, ApiEnvelope<void>>(
+    `/platform/v1/orders/first-leg/${orderId}/cancel`, payload,
+    { params: { tenantId }, headers: { 'Idempotency-Key': idempotencyKey } },
+  )
+  return unwrapApiResponse(response)
 }
 
 export function updatePlatformFirstLegOrderExpress(