feat:R&D Labs 메뉴 삭제 시더 추가

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

database/seeders/RemoveRnDLabsMenuSeeder.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Database\Seeders;
+
+use App\Models\Commons\Menu;
+use Illuminate\Database\Seeder;
+
+class RemoveRnDLabsMenuSeeder extends Seeder
+{
+    public function run(): void
+    {
+        $tenantId = 1;
+
+        $menu = Menu::where('tenant_id', $tenantId)
+            ->where('name', 'R&D Labs')
+            ->first();
+
+        if (!$menu) {
+            $this->command->warn('R&D Labs 메뉴를 찾을 수 없습니다.');
+            return;
+        }
+
+        // 하위 메뉴 삭제
+        $childCount = Menu::where('parent_id', $menu->id)->count();
+        Menu::where('parent_id', $menu->id)->delete();
+        $this->command->info("하위 메뉴 {$childCount}개 삭제");
+
+        // 부모 메뉴 삭제
+        $menu->delete();
+        $this->command->info('R&D Labs 메뉴 삭제 완료');
+    }
+}