a2a-source-edit: write frontend/vite.config.js

frontend/vite.config.js

@@ -0,0 +1,17 @@
+import react from "@vitejs/plugin-react";
+import { defineConfig } from "vite";
+
+const agent = process.env.A2A_DEV_AGENT_URL || "http://127.0.0.1:8000";
+
+export default defineConfig({
+  base: "./",
+  plugins: [react()],
+  server: {
+    proxy: {
+      "/config.json": agent,
+      "/a2a-client.js": agent,
+      "/_a2a": agent,
+      "/.well-known": agent,
+    },
+  },
+});