docs: 更新项目文档，完善需求和技术细节

admin-system/vue.config.js

@@ -0,0 +1,51 @@
+const { defineConfig } = require('@vue/cli-service')
+
+module.exports = defineConfig({
+  transpileDependencies: true,
+  
+  // 开发服务器配置
+  devServer: {
+    port: 3250,
+    host: 'localhost',
+    open: true,
+    hot: true,
+    compress: true,
+    
+    // 代理配置，解决跨域问题
+    proxy: {
+      '/api': {
+        target: 'http://localhost:3200',
+        changeOrigin: true,
+        pathRewrite: {
+          '^/api': '/api/v1'
+        }
+      }
+    }
+  },
+  
+  // 构建配置
+  configureWebpack: {
+    resolve: {
+      alias: {
+        '@': require('path').resolve(__dirname, 'src')
+      }
+    }
+  },
+  
+  // 生产环境配置
+  productionSourceMap: false,
+  
+  // CSS配置
+  css: {
+    extract: process.env.NODE_ENV === 'production',
+    sourceMap: false,
+    loaderOptions: {
+      sass: {
+        additionalData: `
+          @import "@/styles/variables.scss";
+          @import "@/styles/mixins.scss";
+        `
+      }
+    }
+  }
+})