feat: implement ROMs management UI (Phase 8)

Backend (Phase 8.1):
- Add ROMs endpoints: GET, GET/:id, PUT/:id/game, DELETE
- Add metadata search endpoint using IGDB/RAWG/TGDB
- Implement RomsController with ROM CRUD logic
- Add 12 comprehensive ROM endpoint tests
- Configure Vitest to run tests sequentially (threads: false)
- Auto-apply Prisma migrations in test setup

Frontend (Phase 8.2 + 8.3):
- Create ROM types: RomFile, Artwork, EnrichedGame
- Extend API client with roms and metadata namespaces
- Implement 5 custom hooks with TanStack Query
- Create ScanDialog, MetadataSearchDialog, RomCard components
- Rewrite roms.tsx page with table and all actions
- Add 37 comprehensive component and page tests

All 122 tests passing: 63 backend + 59 frontend
Lint: 0 errors, only unused directive warnings

backend/tests/setup.ts

@@ -1,10 +1,21 @@
 import dotenv from 'dotenv';
+import { execSync } from 'child_process';
 
 // Cargar variables de entorno desde .env
 dotenv.config();
 
+// Ejecutar migraciones de Prisma antes de los tests
+try {
+  execSync('npx prisma migrate deploy', {
+    cwd: process.cwd(),
+    stdio: 'inherit',
+  });
+} catch (error) {
+  console.error('Failed to run Prisma migrations:', error);
+}
+
 /**
  * Metadatos:
  * Autor: GitHub Copilot
- * Última actualización: 2026-02-11
+ * Última actualización: 2026-02-12
  */