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

ts/logger.ts

@@ -1,5 +1,6 @@
 import * as plugins from './plugins.js';
 import { randomUUID } from 'node:crypto';
+import { SmartlogDestinationBuffer } from '@push.rocks/smartlog/destination-buffer';
 
 // Map NODE_ENV to valid TEnvironment
 const nodeEnv = process.env.NODE_ENV || 'production';
@@ -10,6 +11,9 @@ const envMap: Record<string, 'local' | 'test' | 'staging' | 'production'> = {
   'production': 'production'
 };
 
+// In-memory log buffer for the OpsServer UI
+export const logBuffer = new SmartlogDestinationBuffer({ maxEntries: 2000 });
+
 // Default Smartlog instance
 const baseLogger = new plugins.smartlog.Smartlog({
   logContext: {
@@ -19,6 +23,9 @@ const baseLogger = new plugins.smartlog.Smartlog({
   }
 });
 
+// Wire the buffer destination so all logs are captured
+baseLogger.addLogDestination(logBuffer);
+
 // Extended logger compatible with the original enhanced logger API
 class StandardLogger {
   private defaultContext: Record<string, any> = {};