CRITICAL FIX: Restore Nomad cluster stability

- Restore ash2e and ash1d server configurations from nomad-configs/servers/
- Fix cluster node connectivity issues
- Emergency cluster repair via GitOps

deployment/ansible/templates/nomad-unified.hcl.j2

@@ -64,7 +64,7 @@ plugin "nomad-driver-podman" {
 }
 
 consul {
-  address = "ch4.tailnet-68f9.ts.net:8500,ash3c.tailnet-68f9.ts.net:8500,warden.tailnet-68f9.ts.net:8500"
+  address = "ch4.tailnet-68f9.ts.net:8500"
   server_service_name = "nomad"
   client_service_name = "nomad-client"
   auto_advertise = true