feat(ops/monitoring): add in-memory log buffer, metrics time-series and ops UI integration

ts_interfaces/data/stats.ts

@@ -26,6 +26,11 @@ export interface IServerStats {
   };
 }
 
+export interface ITimeSeriesPoint {
+  timestamp: number;
+  value: number;
+}
+
 export interface IEmailStats {
   sent: number;
   received: number;
@@ -35,6 +40,11 @@ export interface IEmailStats {
   averageDeliveryTime: number;
   deliveryRate: number;
   bounceRate: number;
+  timeSeries?: {
+    sent: ITimeSeriesPoint[];
+    received: ITimeSeriesPoint[];
+    failed: ITimeSeriesPoint[];
+  };
 }
 
 export interface IDnsStats {
@@ -47,6 +57,9 @@ export interface IDnsStats {
   queryTypes: {
     [key: string]: number;
   };
+  timeSeries?: {
+    queries: ITimeSeriesPoint[];
+  };
 }
 
 export interface IRateLimitInfo {
@@ -58,6 +71,17 @@ export interface IRateLimitInfo {
   blocked: boolean;
 }
 
+export interface ISecurityEvent {
+  timestamp: number;
+  level: string;
+  type: string;
+  message: string;
+  details?: any;
+  ipAddress?: string;
+  domain?: string;
+  success?: boolean;
+}
+
 export interface ISecurityMetrics {
   blockedIPs: string[];
   reputationScores: {
@@ -68,6 +92,7 @@ export interface ISecurityMetrics {
   phishingDetected: number;
   authenticationFailures: number;
   suspiciousActivities: number;
+  recentEvents?: ISecurityEvent[];
 }
 
 export interface ILogEntry {