feat: Implement new Stop 'n' Go game mode with dedicated manager, player logic, and control scripts.

scripts/tekton.gd

@@ -191,12 +191,62 @@ func _process(delta):
 		global_position = carrier.global_position + Vector3(0, 1.5, 0)
 		rotation = carrier.rotation
 
+	_update_prompt_label()
+
 var mesh_cache: Array[MeshInstance3D] = []
 var original_scales: Array[Vector3] = []
+var prompt_label: Label3D
+@onready var SettingsManager = get_node_or_null("/root/SettingsManager")
+
+func _update_prompt_label():
+	if not prompt_label: return
+	
+	if is_static_turret or is_carried or is_thrown or is_recovering:
+		prompt_label.visible = false
+		return
+		
+	var authority_player = null
+	var players = get_tree().get_nodes_in_group("Players")
+	for p in players:
+		if p.name == str(multiplayer.get_unique_id()):
+			authority_player = p
+			break
+			
+	if not authority_player:
+		prompt_label.visible = false
+		return
+		
+	# Check distance
+	var player_pos = Vector2(authority_player.current_position.x, authority_player.current_position.y)
+	var tekton_pos = Vector2(current_position.x, current_position.y)
+	if player_pos.distance_to(tekton_pos) > 1.5:
+		prompt_label.visible = false
+		return
+		
+	# Check power bar
+	var pw_mgr = authority_player.get_node_or_null("PowerUpManager")
+	if pw_mgr and pw_mgr.current_boost >= (pw_mgr.MAX_BOOST - 1):
+		prompt_label.visible = true
+	else:
+		prompt_label.visible = false
 
 func _ready():
 	# Cache meshes and their initial scales
-	_cache_meshes(self )
+	_cache_meshes(self)
+	
+	prompt_label = Label3D.new()
+	var shortcut_text = "G"
+	if SettingsManager and SettingsManager.has_method("get_control_text"):
+		shortcut_text = SettingsManager.get_control_text("tekton_grab")
+	prompt_label.text = "[ " + str(shortcut_text) + " ]"
+	prompt_label.font_size = 64
+	prompt_label.outline_size = 12
+	prompt_label.billboard = BaseMaterial3D.BILLBOARD_ENABLED
+	prompt_label.no_depth_test = true
+	prompt_label.position = Vector3(0, 1.8, 0)
+	prompt_label.modulate = Color(1.0, 0.9, 0.0) # Yellow text
+	prompt_label.visible = false
+	add_child(prompt_label)
 	
 func _cache_meshes(node: Node):
 	if node is MeshInstance3D: