优化体验，新增多项功能，美化界面

backend/package.json

@@ -2,6 +2,7 @@
   "name": "audio-dashboard-api",
   "version": "1.0.0",
   "description": "耳机品牌与型号管理平台后端 API",
+  "packageManager": "pnpm@11.5.2",
   "main": "src/app.js",
   "scripts": {
     "start": "node src/app.js",
@@ -18,7 +19,8 @@
     "dotenv": "^16.4",
     "zod": "^3.23",
     "@aws-sdk/client-s3": "^3.650",
-    "winston": "^3.14"
+    "winston": "^3.14",
+    "ioredis": "^5.6"
   },
   "devDependencies": {
     "nodemon": "^3.1"