feat(路由): 集成运维监控路由到服务器

- 更新路由器注册 ops 监控路由
- 添加 ops 管理路由（dashboard, alerts, realtime, settings, ws）
- 更新 gateway 路由支持请求追踪
- 集成 ops 服务到 HTTP 服务器

backend/internal/server/routes/admin.go

@@ -47,6 +47,9 @@ func RegisterAdminRoutes(
 		// 系统设置
 		registerSettingsRoutes(admin, h)
 
+		// 运维监控（Ops）
+		registerOpsRoutes(admin, h)
+
 		// 系统管理
 		registerSystemRoutes(admin, h)
 
@@ -61,6 +64,54 @@ func RegisterAdminRoutes(
 	}
 }
 
+func registerOpsRoutes(admin *gin.RouterGroup, h *handler.Handlers) {
+	ops := admin.Group("/ops")
+	{
+		// Realtime ops signals
+		ops.GET("/concurrency", h.Admin.Ops.GetConcurrencyStats)
+		ops.GET("/account-availability", h.Admin.Ops.GetAccountAvailability)
+
+		// Alerts (rules + events)
+		ops.GET("/alert-rules", h.Admin.Ops.ListAlertRules)
+		ops.POST("/alert-rules", h.Admin.Ops.CreateAlertRule)
+		ops.PUT("/alert-rules/:id", h.Admin.Ops.UpdateAlertRule)
+		ops.DELETE("/alert-rules/:id", h.Admin.Ops.DeleteAlertRule)
+		ops.GET("/alert-events", h.Admin.Ops.ListAlertEvents)
+
+		// Email notification config (DB-backed)
+		ops.GET("/email-notification/config", h.Admin.Ops.GetEmailNotificationConfig)
+		ops.PUT("/email-notification/config", h.Admin.Ops.UpdateEmailNotificationConfig)
+
+		// Runtime settings (DB-backed)
+		runtime := ops.Group("/runtime")
+		{
+			runtime.GET("/alert", h.Admin.Ops.GetAlertRuntimeSettings)
+			runtime.PUT("/alert", h.Admin.Ops.UpdateAlertRuntimeSettings)
+		}
+
+		// WebSocket realtime (QPS/TPS)
+		ws := ops.Group("/ws")
+		{
+			ws.GET("/qps", h.Admin.Ops.QPSWSHandler)
+		}
+
+		// Error logs (MVP-1)
+		ops.GET("/errors", h.Admin.Ops.GetErrorLogs)
+		ops.GET("/errors/:id", h.Admin.Ops.GetErrorLogByID)
+		ops.POST("/errors/:id/retry", h.Admin.Ops.RetryErrorRequest)
+
+		// Request drilldown (success + error)
+		ops.GET("/requests", h.Admin.Ops.ListRequestDetails)
+
+		// Dashboard (vNext - raw path for MVP)
+		ops.GET("/dashboard/overview", h.Admin.Ops.GetDashboardOverview)
+		ops.GET("/dashboard/throughput-trend", h.Admin.Ops.GetDashboardThroughputTrend)
+		ops.GET("/dashboard/latency-histogram", h.Admin.Ops.GetDashboardLatencyHistogram)
+		ops.GET("/dashboard/error-trend", h.Admin.Ops.GetDashboardErrorTrend)
+		ops.GET("/dashboard/error-distribution", h.Admin.Ops.GetDashboardErrorDistribution)
+	}
+}
+
 func registerDashboardRoutes(admin *gin.RouterGroup, h *handler.Handlers) {
 	dashboard := admin.Group("/dashboard")
 	{