fix: add missing Admin controllers, fix __DIR__ paths (3 levels), defensive ServiceProvider

app/Addons/AdvancedAdmin/Http/Controllers/Admin/NodeNetworkController.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Pterodactyl\Addons\AdvancedAdmin\Http\Controllers\Admin;
+
+use Illuminate\Http\JsonResponse;
+use Illuminate\Routing\Controller;
+use Pterodactyl\Models\Node;
+use Pterodactyl\Addons\AdvancedAdmin\Models\NetworkMetric;
+
+class NodeNetworkController extends Controller
+{
+    /** GET api/application/addons/network/nodes */
+    public function index(): JsonResponse
+    {
+        $nodes = Node::all()->map(function (Node $node) {
+            $latest = NetworkMetric::where('node_id', $node->id)
+                ->orderByDesc('recorded_at')
+                ->first();
+
+            return [
+                'id'         => $node->id,
+                'name'       => $node->name,
+                'fqdn'       => $node->fqdn,
+                'rx_bytes'   => $latest?->rx_bytes ?? 0,
+                'tx_bytes'   => $latest?->tx_bytes ?? 0,
+                'recorded_at'=> $latest?->recorded_at,
+            ];
+        });
+
+        return response()->json(['data' => $nodes]);
+    }
+
+    /** GET api/application/addons/network/nodes/{node} */
+    public function show(Node $node): JsonResponse
+    {
+        $metrics = NetworkMetric::where('node_id', $node->id)
+            ->orderByDesc('recorded_at')
+            ->limit(60)
+            ->get(['recorded_at', 'rx_bytes', 'tx_bytes', 'server_id']);
+
+        return response()->json([
+            'node'    => ['id' => $node->id, 'name' => $node->name, 'fqdn' => $node->fqdn],
+            'metrics' => $metrics,
+        ]);
+    }
+}