diff --git a/frontend/vite.config.ts b/frontend/vite.config.ts
index ec4be6f..0961f6c 100644
--- a/frontend/vite.config.ts
+++ b/frontend/vite.config.ts
@@ -18,5 +18,20 @@ export default defineConfig({
       '.lab.home.lucasacchi.net',  // Allow all subdomains
       'logwhispererai.lab.home.lucasacchi.net',
     ],
+    // HMR configuration - disabled when running behind reverse proxy
+    // HMR causes issues with WebSocket through HTTPS reverse proxy
+    hmr: process.env.NODE_ENV === 'production' ? false : {
+      // Use polling instead of WebSocket for HMR (more compatible with reverse proxy)
+      protocol: 'wss',
+      host: 'logwhispererai.lab.home.lucasacchi.net',
+      port: 443,
+      clientPort: 443,
+    },
+    // CORS configuration
+    cors: {
+      origin: '*',
+      methods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
+      allowedHeaders: ['Content-Type', 'Authorization'],
+    },
   },
 })