feat: implement AI styling foundation and billing scope rework

app/Services/AiEditing/Contracts/AiImageProvider.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Services\AiEditing\Contracts;
+
+use App\Models\AiEditRequest;
+use App\Services\AiEditing\AiProviderResult;
+
+interface AiImageProvider
+{
+    public function submit(AiEditRequest $request): AiProviderResult;
+
+    public function poll(AiEditRequest $request, string $providerTaskId): AiProviderResult;
+}