fix(client): respect device orientation lock in pwa

The `orientation: 'any'` setting in the manifest forces the PWA to rotate even if the device is locked. Removing it restores native behavior.

Closes #309

client/vite.config.ts

@@ -33,7 +33,6 @@ export default defineConfig({
         display: 'standalone',
         start_url: '/',
         scope: '/',
-        orientation: 'any',
         icons: [
           {
             src: 'pwa-64x64.png',