fix(payment): include RECHARGING in result page success states

The PaymentResultView only checked COMPLETED and PAID status, but orders
in RECHARGING state (balance being applied after payment) were incorrectly
shown as failed.

backend/cmd/server/VERSION

@@ -1 +1 @@
-0.1.108.150
+0.1.108.151

frontend/src/views/user/PaymentResultView.vue

@@ -102,10 +102,12 @@ interface ReturnInfo {
 }
 const returnInfo = ref<ReturnInfo | null>(null)
 
+const SUCCESS_STATUSES = new Set(['COMPLETED', 'PAID', 'RECHARGING'])
+
 const isSuccess = computed(() => {
   // Always prioritize actual order status from backend
   if (order.value) {
-    return order.value.status === 'COMPLETED' || order.value.status === 'PAID'
+    return SUCCESS_STATUSES.has(order.value.status)
   }
   // Fallback only when order not loaded
   if (route.query.status === 'success') return true