Initial Robot U site prototype

frontend/vite.config.ts

@@ -0,0 +1,22 @@
+import { defineConfig, loadEnv } from "vite";
+import preact from "@preact/preset-vite";
+
+export default defineConfig(({ mode }) => {
+  const env = loadEnv(mode, process.cwd(), "");
+  const backendUrl = env.VITE_BACKEND_URL || "http://localhost:8000";
+
+  return {
+    plugins: [preact()],
+    server: {
+      proxy: {
+        "/api": backendUrl,
+        "/health": backendUrl,
+      },
+    },
+    build: {
+      outDir: "dist",
+      emptyOutDir: true,
+    },
+  };
+});
+