feat: enable n8n AI assistant AZ-PRM-1

hosts/AZ-PRM-1/services/netbox.nix

@@ -8,6 +8,15 @@
   staticPort = config.m3ta.ports.get "netbox-static";
   hostName = "nb.l.az-gruppe.com";
   staticRoot = "${config.services.netbox.dataDir}/static";
+  # nixpkgs >= 25.11: Plugin-Pakete liegen im passthru-Set netbox.plugins
+  # (python3Packages.netbox-* sind Throw-Stubs); pluginName = NetBox-Modulname
+  netboxPlugins = with pkgs.unstable.netbox.plugins; [
+    netbox-dns
+    netbox-qrcode
+    netbox-routing
+    netbox-topology-views
+    netbox-floorplan-plugin
+  ];
 in {
   services.netbox = {
     enable = true;
@@ -22,13 +31,45 @@ in {
       SECURE_SSL_REDIRECT = true;
       SESSION_COOKIE_SECURE = true;
       CSRF_COOKIE_SECURE = true;
+      # NetBox aktiviert Plugins erst über PLUGINS in configuration.py —
+      # der NixOS-NetBox-Modul trägt sie NICHT automatisch ein.
+      PLUGINS = map (p: p.pluginName) netboxPlugins;
     };
-
+    # installiert die Pakete in NetBox' Python-Environment (extraBuildInputs)
+    plugins = _: netboxPlugins;
     extraConfig = ''
       SECURE_PROXY_SSL_HEADER = ("HTTP_X_FORWARDED_PROTO", "https")
     '';
   };
 
+  # Der Upgrade-Guard im NetBox-Modul (preStart) vergleicht /var/lib/netbox/version
+  # nur mit dem BASISPAKET (services.netbox.package). Reine Config-/Plugin-
+  # Änderungen bei gleicher NetBox-Version überspringen damit migrate +
+  # collectstatic → Plugin-Tabellen fehlen ("database migration missing").
+  # Deshalb Migrationen/Statics hier VOR jedem netbox.service-Start ausführen
+  # (idempotent, entspricht dem offiziellen NetBox-Upgrade-Pfad):
+  systemd.services.netbox = {
+    wants = ["netbox-migrate.service"];
+    after = ["netbox-migrate.service"];
+  };
+
+  systemd.services.netbox-migrate = {
+    description = "NetBox: DB-Migrationen & Statics (v. a. Plugins)";
+    wants = ["network-online.target"];
+    after = ["network-online.target" "postgresql.service" "redis-netbox.service"];
+    serviceConfig = {
+      Type = "oneshot";
+      User = "netbox";
+      Group = "netbox";
+      StateDirectory = "netbox";
+      TimeoutStartSec = "10min";
+    };
+    script = ''
+      /run/current-system/sw/bin/netbox-manage migrate --no-input
+      /run/current-system/sw/bin/netbox-manage collectstatic --no-input
+    '';
+  };
+
   services.nginx = {
     enable = true;
     virtualHosts.netbox-static = {