refactor: migrate backend framework from Express to NestJS

package.json

@@ -2,34 +2,82 @@
   "name": "trace-backend",
   "version": "1.0.0",
   "description": "浙江贝凡溯源管理平台 - 后端服务",
-  "main": "dist/server.js",
+  "author": "",
+  "private": true,
+  "license": "MIT",
   "scripts": {
-    "start": "node dist/server.js",
-    "dev": "nodemon --exec tsx server.ts",
-    "build": "tsc",
+    "build": "nest build",
+    "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
+    "start": "nest start",
+    "start:dev": "nest start --watch",
+    "start:debug": "nest start --debug --watch",
+    "start:prod": "node dist/main",
+    "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
+    "test": "jest",
+    "test:watch": "jest --watch",
+    "test:cov": "jest --coverage",
+    "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
+    "test:e2e": "jest --config ./test/jest-e2e.json",
     "init-db": "tsx scripts/init-db.ts"
   },
   "dependencies": {
+    "@nestjs/common": "^11.1.13",
+    "@nestjs/config": "^4.0.3",
+    "@nestjs/core": "^11.1.13",
+    "@nestjs/jwt": "^11.0.2",
+    "@nestjs/passport": "^11.0.5",
+    "@nestjs/platform-express": "^11.1.13",
+    "@nestjs/serve-static": "^5.0.4",
     "bcryptjs": "^3.0.3",
     "better-sqlite3": "^12.6.2",
-    "cors": "^2.8.5",
+    "class-transformer": "^0.5.1",
+    "class-validator": "^0.14.3",
     "dotenv": "^17.2.3",
-    "express": "^5.2.1",
     "jsonwebtoken": "^9.0.2",
-    "qrcode": "^1.5.4"
+    "passport": "^0.7.0",
+    "passport-jwt": "^4.0.1",
+    "qrcode": "^1.5.4",
+    "reflect-metadata": "^0.2.2",
+    "rxjs": "^7.8.2"
   },
   "devDependencies": {
+    "@nestjs/cli": "^11.0.0",
+    "@nestjs/schematics": "^11.0.0",
+    "@nestjs/testing": "^11.1.13",
     "@types/better-sqlite3": "^7.6.13",
-    "@types/cors": "^2.8.19",
     "@types/express": "^5.0.6",
+    "@types/jest": "^30.0.0",
     "@types/jsonwebtoken": "^9.0.10",
     "@types/node": "^25.2.1",
+    "@types/passport-jwt": "^4.0.1",
     "@types/qrcode": "^1.5.6",
-    "nodemon": "^3.0.1",
+    "@types/supertest": "^6.0.2",
+    "jest": "^30.2.0",
+    "prettier": "^3.5.3",
+    "source-map-support": "^0.5.21",
+    "supertest": "^7.1.0",
+    "ts-jest": "^29.3.2",
+    "ts-loader": "^9.5.2",
     "ts-node": "^10.9.2",
+    "tsconfig-paths": "^4.2.0",
     "tsx": "^4.21.0",
     "typescript": "^5.9.3"
   },
-  "author": "",
-  "license": "MIT"
+  "jest": {
+    "moduleFileExtensions": [
+      "js",
+      "json",
+      "ts"
+    ],
+    "rootDir": "src",
+    "testRegex": ".*\\.spec\\.ts$",
+    "transform": {
+      "^.+\\.(t|j)s$": "ts-jest"
+    },
+    "collectCoverageFrom": [
+      "**/*.(t|j)s"
+    ],
+    "coverageDirectory": "../coverage",
+    "testEnvironment": "node"
+  }
 }