chore: 删除e2e测试相关的初始化文件和快照文件

清理不再需要的测试初始化文件和视觉回归测试的快照文件，以保持代码库整洁

next.config.ts

@@ -1,9 +1,12 @@
 import type { NextConfig } from "next";
 
 const isDev = process.env.NODE_ENV === 'development';
+const cdnDomain = process.env.CDN_DOMAIN || 'https://cdn.novalon.cn';
 
 const nextConfig: NextConfig = {
   distDir: 'dist',
+  output: 'standalone',
+  assetPrefix: isDev ? undefined : cdnDomain,
   images: {
     remotePatterns: [
       {
@@ -103,4 +106,4 @@ const nextConfig: NextConfig = {
   },
 };
 
-export default nextConfig;
+export default nextConfig;