fix: Ensure consistent server and preview configuration in vite.config.js

client/vite.config.js

@@ -4,6 +4,12 @@ import react from '@vitejs/plugin-react'
 export default defineConfig({
   plugins: [react()],
   server: {
-    port: 3000
+    port: 3000,
+    host: true
+  },
+  preview: {
+    port: 3000,
+    host: true,
+    strictPort: true
   }
 })