Allow heading tags (h1-h6) in ContentSanitizer so news editor headings render

tests/Feature/Enhance/EnhanceModerationTest.php

@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+use App\Models\EnhanceJob;
+use App\Models\User;
+
+it('allows moderators to browse enhance jobs in moderation', function (): void {
+    $moderator = User::factory()->create(['role' => 'moderator']);
+    $creator = User::factory()->create();
+
+    $job = EnhanceJob::query()->create([
+        'user_id' => $creator->id,
+        'status' => EnhanceJob::STATUS_COMPLETED,
+        'engine' => EnhanceJob::ENGINE_STUB,
+        'mode' => 'standard',
+        'scale' => 2,
+    ]);
+
+    $this->actingAs($moderator)
+        ->get(route('admin.enhance.index'))
+        ->assertOk()
+        ->assertSee((string) $job->id);
+});
+
+it('blocks regular users from the moderation enhance surface', function (): void {
+    $user = User::factory()->create();
+
+    $this->actingAs($user)
+        ->get(route('admin.enhance.index'))
+        ->assertForbidden();
+});