feat(remoteingress): derive effective remote ingress listen ports from route configs and expose them via ops API

ts/opsserver/handlers/remoteingress.handler.ts

@@ -20,10 +20,11 @@ export class RemoteIngressHandler {
           if (!manager) {
             return { edges: [] };
           }
-          // Return edges without secrets
+          // Return edges without secrets, enriched with effective listen ports
           const edges = manager.getAllEdges().map((e) => ({
             ...e,
             secret: '********', // Never expose secrets via API
+            effectiveListenPorts: manager.getEffectiveListenPorts(e),
           }));
           return { edges };
         },
@@ -47,7 +48,7 @@ export class RemoteIngressHandler {
 
           const edge = await manager.createEdge(
             dataArg.name,
-            dataArg.listenPorts,
+            dataArg.listenPorts || [],
             dataArg.tags,
           );