Updates

display_test_nexio.py

@@ -1,4 +1,5 @@
 import gi
+import signal
 import struct
 import os
 
@@ -129,6 +130,9 @@ def play_kiosk():
     manager = KioskManager(pipeline)
     pipeline.set_property("uri", manager.videos[0])
 
+    # SIGUSR1 → switch video (used by device_server PUT /display {"state":"on"})
+    signal.signal(signal.SIGUSR1, lambda sig, frame: manager.switch_video())
+
     # --- INPUT MONITORING ---
     try:
         btn_fd = open("/dev/input/event1", "rb")