增加前端格式检查配置

frontend/package.json

@@ -7,7 +7,11 @@
     "dev": "vue-tsc -b --noEmit --watch & vite --host 0.0.0.0",
     "build": "vue-tsc -b --noEmit && vite build",
     "preview": "vite preview --host 0.0.0.0",
-    "typecheck": "vue-tsc -b --noEmit"
+    "typecheck": "vue-tsc -b --noEmit",
+    "lint": "eslint .",
+    "lint:fix": "eslint . --fix",
+    "format": "prettier --write .",
+    "format:check": "prettier --check ."
   },
   "dependencies": {
     "@element-plus/icons-vue": "^2.3.1",
@@ -20,12 +24,19 @@
     "vue-router": "^4.6.3"
   },
   "devDependencies": {
+    "@eslint/js": "^10.0.1",
     "@types/node": "^24.10.1",
     "@types/qrcode": "^1.5.6",
     "@vant/auto-import-resolver": "^1.3.0",
     "@vitejs/plugin-vue": "^6.0.2",
     "@vue/tsconfig": "^0.8.1",
+    "eslint": "^10.4.1",
+    "eslint-config-prettier": "^10.1.8",
+    "eslint-plugin-vue": "^10.9.2",
+    "globals": "^17.6.0",
+    "prettier": "^3.8.3",
     "typescript": "~5.9.3",
+    "typescript-eslint": "^8.60.1",
     "unplugin-auto-import": "^21.0.0",
     "unplugin-vue-components": "^32.1.0",
     "vant": "^4.9.24",