jmri: gui launcher uses last-session profile instead of --profile flag

ansible/roles/jmri/templates/jmri-gui.j2

@@ -15,7 +15,6 @@
 set -euo pipefail
 
 JMRI_DIR="{{ jmri_install_dir }}"
-JMRI_PROFILE="{{ jmri_profile_id }}"
 JMRI_SERVICE="jmri.service"
 MONITOR_SERVICE="jmri-monitor.service"
 
@@ -57,7 +56,7 @@ launch() {
         sudo systemctl stop "$JMRI_SERVICE"
     fi
 
-    echo "Launching $binary (profile: $JMRI_PROFILE)..."
+    echo "Launching $binary (last-used profile)..."
     echo "Close the window to return to daemon mode."
     echo ""
 
@@ -68,8 +67,9 @@ launch() {
     # Force AWT out of headless mode
     export JMRI_OPTIONS="-Djava.awt.headless=false"
 
-    # Run directly — we are already the jmri user, DISPLAY is set by SSH
-    "$JMRI_DIR/$binary" --profile="$JMRI_PROFILE"
+    # Run without --profile so JMRI uses its last-session preference.
+    # The daemon service uses --profile explicitly for headless reliability.
+    "$JMRI_DIR/$binary"
 
     echo ""
     echo "$binary closed."