优化全局样式和 element ui框架，修改nacos-federation，增加打包依赖分析等

front-end/main-app/package.json

@@ -18,9 +18,12 @@
     "vue-router": "^4.5.1"
   },
   "devDependencies": {
+    "@element-plus/icons-vue": "^2.3.2",
     "@originjs/vite-plugin-federation": "^1.4.1",
     "@types/node": "^24.5.2",
     "@vue3-oop/plugin-vue-jsx": "^1.5.1",
+    "element-plus": "^2.11.3",
+    "rollup-plugin-visualizer": "^6.0.3",
     "tslib": "^2.8.1",
     "typescript": "~5.8.3",
     "vite": "^7.1.6",