feat(noda2): enable NATS leafnode remote to NODA1:7422

- nats-server.conf: added leafnodes.remotes to nats://144.76.224.179:7422
- NODA2 now a spoke leaf node; NODA1 is hub
- Cross-node pub/sub verified: NODA1 pub → NODA2 sub (node.test.>)
- Leafnode connection confirmed: 144.76.224.179:7422 lid:5

Made-with: Cursor

nats-server.conf

@@ -10,6 +10,15 @@ jetstream {
     max_file: 10G
 }
 
+# Leafnode remote: connect to NODA1 hub
+leafnodes {
+  remotes [
+    {
+      urls: ["nats://144.76.224.179:7422"]
+    }
+  ]
+}
+
 # Logging
 debug: false
 trace: false