fix(identity): clear managed presentation on logout

src/main/java/games/dmg/leaf/LeafListener.java

@@ -12,6 +12,7 @@ import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.EntityDamageEvent;
 import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
 
 /** Handles player lifecycle events that affect Leaf protection. */
 public final class LeafListener implements Listener {
@@ -38,6 +39,11 @@ public final class LeafListener implements Listener {
         }
     }
 
+    @EventHandler
+    public void onQuit(PlayerQuitEvent event) {
+        runtime.removePresentation(event.getPlayer());
+    }
+
     @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
     public void onDamage(EntityDamageEvent event) {
         if (event.isCancelled() || event.getFinalDamage() <= 0.0