feat: add vite-plugin-node-polyfills to support Node.js globals in Vite

vite.config.js

@@ -1,7 +1,26 @@
 import { defineConfig } from "vite";
+// Import the new plugin
+import { nodePolyfills } from "vite-plugin-node-polyfills";
 
 export default defineConfig({
+  // Keep build target reasonable, 'modules' is often a good balance
   build: {
-    target: "es2020", // Or try 'es2020' or 'modules' if 'esnext' doesn't work
+    target: "modules",
+    // Rollup options are not needed for this plugin
   },
+  plugins: [
+    // Add the plugin to Vite's plugins array
+    nodePolyfills({
+      // Options (optional):
+      // - 'true'/'false' to include/exclude specific polyfills.
+      // - 'build' to only include polyfills for the build.
+      // - 'dev' to only include polyfills for the dev server.
+      // By default, it polyfills globals like `Buffer` and `process`.
+      // You might need to explicitly enable others if errors persist.
+      // Example: globals: { Buffer: true, global: true, process: true },
+      // Example: protocolImports: true, // If you need imports like 'node:fs'
+    }),
+  ],
+  // optimizeDeps and resolve.alias sections related to polyfills
+  // are likely no longer needed with this plugin.
 });