Initial commit — OFApp client + server

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

client/vite.config.js

@@ -0,0 +1,12 @@
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+
+export default defineConfig({
+  plugins: [react()],
+  server: {
+    port: 5173,
+    proxy: {
+      '/api': 'http://localhost:3001'
+    }
+  }
+})