docs: 更新项目文档，完善需求和技术细节

backend/package.json

@@ -0,0 +1,53 @@
+{
+  "name": "aijianhua-backend",
+  "version": "1.0.0",
+  "description": "爱鉴花小程序后端API服务",
+  "main": "app.js",
+  "scripts": {
+    "start": "node app.js",
+    "dev": "nodemon app.js",
+    "test": "jest",
+    "lint": "eslint .",
+    "db:init": "node scripts/initDatabase.js",
+    "db:check": "node scripts/initDatabase.js --check",
+    "db:migrate": "node scripts/migrate.js",
+    "db:seed": "node scripts/seedData.js"
+  },
+  "dependencies": {
+    "express": "^4.18.2",
+    "mysql2": "^3.6.0",
+    "cors": "^2.8.5",
+    "helmet": "^7.0.0",
+    "compression": "^1.7.4",
+    "morgan": "^1.10.0",
+    "dotenv": "^16.3.1",
+    "jsonwebtoken": "^9.0.2",
+    "bcryptjs": "^2.4.3",
+    "validator": "^13.11.0",
+    "multer": "^1.4.5-lts.1",
+    "redis": "^4.6.8",
+    "socket.io": "^4.7.2",
+    "swagger-ui-express": "^4.6.3",
+    "yamljs": "^0.3.0"
+  },
+  "devDependencies": {
+    "nodemon": "^3.0.1",
+    "jest": "^29.6.2",
+    "eslint": "^8.47.0",
+    "prettier": "^3.0.2",
+    "@types/node": "^20.5.0",
+    "typescript": "^5.1.6"
+  },
+  "keywords": [
+    "wechat",
+    "mini-program",
+    "plant-identification",
+    "ecommerce",
+    "api"
+  ],
+  "author": "爱鉴花开发团队",
+  "license": "MIT",
+  "engines": {
+    "node": ">=16.0.0"
+  }
+}