fix(subscription): syncable stats exclude sync failed orders

app/Http/Controllers/Admin/SiteSubscriptionController.php

@@ -42,6 +42,8 @@ class SiteSubscriptionController extends Controller
                 ->where('payment_status', 'paid')
                 ->where('status', 'activated')
                 ->whereRaw("JSON_EXTRACT(meta, '$.subscription_activation.subscription_id') IS NULL")
+                // 口径对齐平台订单页：可同步 = 未同步且非失败
+                ->whereRaw("JSON_EXTRACT(meta, '$.subscription_activation_error.message') IS NULL")
                 ->count(),
         ];