fix bug

main.gd

@@ -23,6 +23,7 @@ func _ready() -> void:
 	NetworkManager.player_left.connect(_on_player_left)
 	NetworkManager.session_started.connect(_on_session_started)
 	NetworkManager.connection_failed.connect(_on_connection_failed)
+	NetworkManager.session_ended.connect(_on_session_ended)
 	_menu.host_pressed.connect(_on_menu_host)
 	_menu.join_pressed.connect(_on_menu_join)
 	_menu.solo_pressed.connect(_on_menu_solo)
@@ -66,6 +67,9 @@ func _on_session_started(is_server: bool) -> void:
 	if not is_server:
 		# Connected to a host as a client.
 		_menu.hide_menu()
+		# Stations are server-authoritative: clients must not run snap zones, or
+		# they create divergent local copies of snapped items.
+		_disable_client_snap_zones()
 
 
 func _on_connection_failed() -> void:
@@ -74,6 +78,19 @@ func _on_connection_failed() -> void:
 	_menu.show_menu()
 
 
+# The client lost the server (or left): reload the scene to return to a clean
+# main-menu state.
+func _on_session_ended() -> void:
+	get_tree().reload_current_scene.call_deferred()
+
+
+func _disable_client_snap_zones() -> void:
+	for station in get_tree().get_nodes_in_group("station"):
+		var zone = station.get_node_or_null("XRToolsSnapZone")
+		if zone:
+			zone.enabled = false
+
+
 # --- Player / item spawning ------------------------------------------------
 
 func _on_player_joined(peer_id: int) -> void: