feat: 按运营商账户调度的后台接口与重算到期

- /polling-carrier-params 列表（含默认标记与消费能力）、详情、保存（执行上限不得大于订阅进程 max_in_flight 之和）、删除；/polling-check-scenes 列表与修改（检查类型、递增的确认延迟、冷却）；/polling-failure-alerts 列表、按账户与错误类别汇总、详情、标记已处理；GET /iot-cards/:id/polling-state 单卡轮询状态；GET /polling-stats/carrier-queues 按账户队列与执行监控
- 读取仅超级管理员与平台账号，修改仅超级管理员（告警处理平台账号可用），均写统一审计；新增审计动作与资源
- carrier 模式下重算到期时间写入卡到期信息与账户队列，只提前不推后

internal/bootstrap/handlers.go

@@ -337,10 +337,12 @@ func initHandlers(svc *services, deps *Dependencies) *Handlers {
 		PollingConfig:         admin.NewPollingConfigHandler(svc.PollingConfig),
 		GatewayRateLimit:      admin.NewGatewayRateLimitHandler(pollingSvcPkg.NewGatewayRateLimitService(deps.DB, auditInfra.NewWriter(auditInfra.NewRegistry(), nil), deps.GatewayLimit), deps.Redis, validate),
 		PollingConcurrency:    admin.NewPollingConcurrencyHandler(svc.PollingConcurrency),
-		PollingMonitoring:     admin.NewPollingMonitoringHandler(svc.PollingMonitoring),
-		PollingAlert:          admin.NewPollingAlertHandler(svc.PollingAlert),
-		PollingCleanup:        admin.NewPollingCleanupHandler(svc.PollingCleanup),
-		PollingManualTrigger:  admin.NewPollingManualTriggerHandler(svc.PollingManualTrigger),
+		CarrierScheduler: admin.NewCarrierSchedulerHandler(pollingSvcPkg.NewCarrierSchedulerService(deps.DB, deps.Redis,
+			auditInfra.NewWriter(auditInfra.NewRegistry(), nil), carrierSchedulerConfig()), validate),
+		PollingMonitoring:    admin.NewPollingMonitoringHandler(svc.PollingMonitoring),
+		PollingAlert:         admin.NewPollingAlertHandler(svc.PollingAlert),
+		PollingCleanup:       admin.NewPollingCleanupHandler(svc.PollingCleanup),
+		PollingManualTrigger: admin.NewPollingManualTriggerHandler(svc.PollingManualTrigger),
 		PollingPriority: admin.NewPriorityPollingHandler(
 			svc.PriorityPolling, priorityPollingQuery.NewQuery(deps.DB, pollingPriorityItemStore), validate,
 		),
@@ -408,3 +410,11 @@ func initHandlers(svc *services, deps *Dependencies) *Handlers {
 		AgentOpenAPI: openapiHandler.NewHandler(svc.AgentOpenAPI, validate),
 	}
 }
+
+// carrierSchedulerConfig 返回按运营商账户调度的 yaml 参数（供后台校验执行上限与展示默认值）。
+func carrierSchedulerConfig() config.CarrierSchedulerConfig {
+	if cfg := config.Get(); cfg != nil {
+		return cfg.Polling.Carrier
+	}
+	return config.CarrierSchedulerConfig{}
+}

internal/bootstrap/types.go

@@ -65,6 +65,7 @@ type Handlers struct {
 	WeComApprovalCallback         *callback.WeComApprovalHandler
 	PollingConfig                 *admin.PollingConfigHandler
 	GatewayRateLimit              *admin.GatewayRateLimitHandler
+	CarrierScheduler              *admin.CarrierSchedulerHandler
 	PollingConcurrency            *admin.PollingConcurrencyHandler
 	PollingMonitoring             *admin.PollingMonitoringHandler
 	PollingAlert                  *admin.PollingAlertHandler