feat(bookstack) : add BookStackSearchResult API resource for shelf-scoped search

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/ApiResource/BookStackSearchResult.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\ApiResource;
+
+use ApiPlatform\Metadata\ApiResource;
+use ApiPlatform\Metadata\GetCollection;
+use App\State\BookStackSearchResultProvider;
+use Symfony\Component\Serializer\Attribute\Groups;
+
+#[ApiResource(
+    operations: [
+        new GetCollection(
+            uriTemplate: '/tasks/{taskId}/bookstack/search',
+            normalizationContext: ['groups' => ['bookstack_search:read']],
+            provider: BookStackSearchResultProvider::class,
+            security: "is_granted('IS_AUTHENTICATED_FULLY')",
+        ),
+    ],
+)]
+final class BookStackSearchResult
+{
+    #[Groups(['bookstack_search:read'])]
+    public int $id = 0;
+
+    #[Groups(['bookstack_search:read'])]
+    public string $type = '';
+
+    #[Groups(['bookstack_search:read'])]
+    public string $name = '';
+
+    #[Groups(['bookstack_search:read'])]
+    public string $url = '';
+}