fix: 移除构建脚本中的复制模拟数据功能，简化构建流程

package.json

@@ -5,8 +5,7 @@
   "type": "module",
   "scripts": {
     "start": "vite",
-    "build": "vue-tsc -b && vite build && npm run copy-mocks",
+    "build": "vue-tsc -b && vite build",
-    "copy-mocks": "node -e \"const fs=require('fs');const path=require('path');function copyDir(s,d){if(!fs.existsSync(d))fs.mkdirSync(d,{recursive:true});fs.readdirSync(s).forEach(f=>{const sp=path.join(s,f),dp=path.join(d,f);fs.statSync(sp).isDirectory()?copyDir(sp,dp):fs.copyFileSync(sp,dp)})}copyDir('mocks','dist/mocks')\"",
     "preview": "vite preview"
   },
   "dependencies": {