feat(dcrouter): add service manager lifecycle orchestration and health-based ops status reporting

ts/opsserver/handlers/stats.handler.ts

@@ -489,44 +489,41 @@ export class StatsHandler {
       message?: string;
     }>;
   }> {
-    const services: Array<{
-      name: string;
-      status: 'healthy' | 'degraded' | 'unhealthy';
-      message?: string;
-    }> = [];
-    
-    // Check HTTP Proxy
-    if (this.opsServerRef.dcRouterRef.smartProxy) {
-      services.push({
-        name: 'HTTP/HTTPS Proxy',
-        status: 'healthy',
-      });
-    }
-    
-    // Check Email Server
-    if (this.opsServerRef.dcRouterRef.emailServer) {
-      services.push({
-        name: 'Email Server',
-        status: 'healthy',
-      });
-    }
-    
-    // Check DNS Server
-    if (this.opsServerRef.dcRouterRef.dnsServer) {
-      services.push({
-        name: 'DNS Server',
-        status: 'healthy',
-      });
-    }
-    
-    // Check OpsServer
-    services.push({
-      name: 'OpsServer',
-      status: 'healthy',
+    const dcRouter = this.opsServerRef.dcRouterRef;
+    const health = dcRouter.serviceManager.getHealth();
+
+    const services = health.services.map((svc) => {
+      let status: 'healthy' | 'degraded' | 'unhealthy';
+      switch (svc.state) {
+        case 'running':
+          status = 'healthy';
+          break;
+        case 'starting':
+        case 'degraded':
+          status = 'degraded';
+          break;
+        case 'failed':
+          status = svc.criticality === 'critical' ? 'unhealthy' : 'degraded';
+          break;
+        case 'stopped':
+        case 'stopping':
+        default:
+          status = 'degraded';
+          break;
+      }
+
+      let message: string | undefined;
+      if (svc.state === 'failed' && svc.lastError) {
+        message = svc.lastError;
+      } else if (svc.retryCount > 0 && svc.state !== 'running') {
+        message = `Retry attempt ${svc.retryCount}`;
+      }
+
+      return { name: svc.name, status, message };
     });
-    
-    const healthy = services.every(s => s.status === 'healthy');
-    
+
+    const healthy = health.overall === 'healthy';
+
     return {
       healthy,
       services,