feat: implement AI styling foundation and billing scope rework

app/Services/AiEditing/AiImageProviderManager.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Services\AiEditing;
+
+use App\Services\AiEditing\Contracts\AiImageProvider;
+use App\Services\AiEditing\Providers\NullAiImageProvider;
+use App\Services\AiEditing\Providers\RunwareAiImageProvider;
+
+class AiImageProviderManager
+{
+    public function forProvider(string $provider): AiImageProvider
+    {
+        return match ($provider) {
+            'runware' => app(RunwareAiImageProvider::class),
+            default => app(NullAiImageProvider::class),
+        };
+    }
+}