Added trap exit to kill the python process

deploy.sh

@@ -11,7 +11,7 @@ launch_configurator() {
 
   echo -e "\n 🚀 Launching Numbus Configurator..."
   python3 "${BRIDGE_SCRIPT}" > /dev/null 2>&1 &
-  BRIDGE_PID=$!
+  export BRIDGE_PID=$!
 
   echo -e "\n ➡️  Open your browser at: $(gum style --foreground 212 "http://localhost:${PORT}")"
   xdg-open "http://localhost:${PORT}" 2>/dev/null || open "http://localhost:${PORT}" 2>/dev/null || true
@@ -737,6 +737,10 @@ nix_update() {
     --use-remote-sudo switch --flake configuration/etc/nixos#numbus-server
 }
 
+cleanup() {
+  kill ${BRIDGE_PID}
+}
+
 set -euo pipefail
 
 clear
@@ -763,6 +767,8 @@ echo "
 
 sleep 1
 
+trap cleanup EXIT
+
 # --- MAIN ORCHESTRATION LOOP ---
 
 # 0. TESTING ONLY