fix: update Vite proxy ports to match webserver (8090/8091)

webui/vite.config.ts

@@ -18,11 +18,11 @@ export default defineConfig({
     port: 3200,
     proxy: {
       '/api': {
-        target: 'http://localhost:18080',
+        target: 'http://localhost:8090',
         changeOrigin: true,
       },
       '/ws': {
-        target: 'ws://localhost:18081',
+        target: 'ws://localhost:8091',
         ws: true,
       },
     },