fix: improve s3 storage handling

tests/Unit/StorageBucketValidationRulesTest.php

@@ -0,0 +1,24 @@
+<?php
+
+use App\Livewire\Storage\Create;
+use App\Livewire\Storage\Form;
+use App\Rules\ValidS3BucketName;
+
+function storageRulesFor(string $componentClass): array
+{
+    $component = new $componentClass;
+    $method = new ReflectionMethod($component, 'rules');
+    $method->setAccessible(true);
+
+    return $method->invoke($component);
+}
+
+it('uses the shared S3 bucket rule in storage create and edit forms', function (string $componentClass) {
+    $bucketRules = storageRulesFor($componentClass)['bucket'];
+
+    expect($bucketRules)->toContain('required')
+        ->and(collect($bucketRules)->contains(fn ($rule) => $rule instanceof ValidS3BucketName))->toBeTrue();
+})->with([
+    'create form' => [Create::class],
+    'edit form' => [Form::class],
+]);