feat(subscription): 有界队列执行维护并改进鉴权解析

backend/cmd/server/wire.go

@@ -76,6 +76,7 @@ func provideCleanup(
 	pricing *service.PricingService,
 	emailQueue *service.EmailQueueService,
 	billingCache *service.BillingCacheService,
+	subscriptionService *service.SubscriptionService,
 	oauth *service.OAuthService,
 	openaiOAuth *service.OpenAIOAuthService,
 	geminiOAuth *service.GeminiOAuthService,
@@ -150,6 +151,12 @@ func provideCleanup(
 				subscriptionExpiry.Stop()
 				return nil
 			}},
+			{"SubscriptionService", func() error {
+				if subscriptionService != nil {
+					subscriptionService.Stop()
+				}
+				return nil
+			}},
 			{"PricingService", func() error {
 				pricing.Stop()
 				return nil