Thêm tính năng bình luận ở mỗi điểm của chặng

backend/package.json

@@ -5,15 +5,17 @@
     "start:dev": "nest start --watch",
     "db:generate": "dotenv -e ../.env -- prisma generate --schema=prisma/schema.prisma",
     "db:migrate": "dotenv -e ../.env -- prisma migrate dev --schema=prisma/schema.prisma",
-    "db:seed": "node --loader ts-node/esm seed.ts"
+    "db:seed": "dotenv -e ../.env -- tsx seed.ts"
   },
   "devDependencies": {
     "@nestjs/cli": "^11.0.23",
+    "@types/bcrypt": "^5.0.2",
     "@types/node": "^20.14.10",
     "@types/pg": "^8.11.6",
     "dotenv-cli": "^7.4.2",
     "prisma": "^5.16.2",
     "ts-node": "^10.9.2",
+    "tsx": "^4.19.2",
     "typescript": "^5.5.3"
   },
   "dependencies": {
@@ -22,14 +24,17 @@
     "@nestjs/jwt": "^11.0.2",
     "@nestjs/passport": "^11.0.5",
     "@nestjs/platform-express": "^11.1.27",
-    "@prisma/client": "^5.16.2",
+    "@nestjs/platform-socket.io": "^11.1.27",
+    "@nestjs/websockets": "^11.1.27",
     "@prisma/adapter-pg": "^5.16.2",
+    "@prisma/client": "^5.16.2",
     "bcrypt": "^6.0.0",
     "dotenv": "^17.4.2",
     "passport": "^0.7.0",
     "passport-jwt": "^4.0.1",
     "pg": "^8.12.0",
     "reflect-metadata": "^0.2.2",
-    "rxjs": "^7.8.2"
+    "rxjs": "^7.8.2",
+    "socket.io": "^4.8.3"
   }
 }