feat(content): implement Content Engine MVP (v1.0) with GTM integration

content-engine/frontend/vite.config.ts

@@ -0,0 +1,16 @@
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  plugins: [react()],
+  base: './', // CRITICAL for sub-path deployment
+  server: {
+    proxy: {
+      '/api': {
+        target: 'http://localhost:3006',
+        changeOrigin: true,
+      }
+    }
+  }
+})