initial: bootstrap from BukidBountyApp base

app/Support/CdnAssetHelper.php

@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Support;
+
+final class CdnAssetHelper
+{
+    private static ?array $manifest = null;
+
+    private static function load(): array
+    {
+        if (self::$manifest === null) {
+            $path = BASE_PATH . '/resources/cdn-manifest.json';
+            $raw = @file_get_contents($path);
+            if ($raw === false) {
+                self::$manifest = ['assets' => []];
+            } else {
+                $decoded = json_decode($raw, true);
+                self::$manifest = is_array($decoded) ? $decoded : ['assets' => []];
+            }
+        }
+        return self::$manifest;
+    }
+
+    public static function url(string $logicalName): string
+    {
+        $base = (string) config('cdn.base');
+        $manifest = self::load();
+        $path = $manifest['assets'][$logicalName] ?? null;
+        if ($path === null) {
+            return $base . '/missing/' . ltrim($logicalName, '/');
+        }
+        return $base . '/' . ltrim($path, '/');
+    }
+
+    public static function base(): string
+    {
+        return (string) config('cdn.base');
+    }
+
+    public static function manifestForJs(): array
+    {
+        return self::load()['assets'] ?? [];
+    }
+}