chore: fix vercel serve static

lib/registry.ts

@@ -258,7 +258,7 @@ if (config.debugInfo) {
     // Only enable tracing in debug mode
     app.get('/metrics', metrics);
 }
-if (!config.isPackage) {
+if (!config.isPackage && !process.env.VERCEL_ENV) {
     app.use(
         '/*',
         serveStatic({

tsdown-vercel.config.ts

@@ -8,5 +8,5 @@ export default defineConfig({
     shims: true,
     clean: true,
     plugins: [artTemplatesPlugin()],
-    copy: ['lib/assets'],
+    copy: [{ from: 'lib/assets', to: 'dist/public' }],
 });