feat: add ai-worker user to uConsole for Hermes SSH access

hosts/uconsole-cm5/configuration.nix

@@ -34,3 +34,12 @@
 
 
 }
+
+  # AI worker user (Hermes access)
+  users.users.ai-worker = {
+    isNormalUser = false;
+    shell = pkgs.bash;
+    openssh.authorizedKeys.keys = with keys; [
+      users.ai-worker.main
+    ];
+  };