feat: sistema GastroBar PDV completo

- Backend: Fastify + Prisma/SQLite com autenticacao JWT
- CRUD completo: usuarios, categorias, produtos, comandas
- Sistema de comandas com itens, status, pagamento
- Controle de estoque (entrada/saida automatica)
- Relatorios e dashboard com KPIs
- Notificacoes sonoras na cozinha
- Frontend: SPA vanilla TS com tema dark glassmorphism
- Mobile-first com bottom-sheet e cards compactos
- Busca de comandas por periodo
- Modal de detalhes com secao editavel colapsavel

package.json

@@ -0,0 +1,36 @@
+{
+  "name": "gastrobar-backend",
+  "version": "1.0.0",
+  "description": "Backend para o sistema de PDV e gestão do gastrobar",
+  "main": "dist/server.js",
+  "scripts": {
+    "dev": "tsx watch src/server.ts",
+    "build": "tsc",
+    "start": "node dist/server.js",
+    "db:push": "prisma db push",
+    "db:seed": "tsx prisma/seed.ts"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@fastify/cors": "^8.0.0",
+    "@fastify/jwt": "^8.0.1",
+    "@prisma/client": "^5.14.0",
+    "bcrypt": "^5.1.1",
+    "dotenv": "^17.4.2",
+    "fastify": "^4.27.0",
+    "zod": "^3.23.8"
+  },
+  "devDependencies": {
+    "@types/bcrypt": "^5.0.2",
+    "@types/node": "^20.12.12",
+    "prisma": "^5.14.0",
+    "tsx": "^4.11.0",
+    "typescript": "^5.4.5"
+  },
+  "prisma": {
+    "seed": "tsx prisma/seed.ts"
+  },
+  "type": "commonjs"
+}