feat: implement kiosk mode functionality and update UI elements accordingly

src/services/SocketManager.js

@@ -153,6 +153,12 @@ class SocketManager {
         auth: this._buildSocketAuth()
       });
 
+      this._socket.on('kiosk', () => {
+        window.growheadskiosk = true;
+        window.dispatchEvent(new Event('growheadskiosk-change'));
+        console.warn('Kiosk mode enabled via socket event');
+      });
+
       // Always refresh auth data before reconnect attempts.
       if (this._socket.io && this._socket.io.on) {
         this._socket.io.on('reconnect_attempt', () => {