feat: Add TouchControlsManager for mobile virtual joystick and action buttons with settings persistence.

scripts/managers/touch_controls.gd

@@ -41,6 +41,28 @@ func initialize(p_main: Node3D):
 func set_player(p_player: Node3D):
 	local_player = p_player
 	
+	# Connect to PowerUpManager if it exists (for boost updates)
+	var powerup_mgr = local_player.get_node_or_null("PowerUpManager")
+	if powerup_mgr:
+		if not powerup_mgr.points_changed.is_connected(_on_boost_points_changed):
+			powerup_mgr.points_changed.connect(_on_boost_points_changed)
+		# Initialize state
+		_on_boost_points_changed(powerup_mgr.current_boost, powerup_mgr.MAX_BOOST)
+	else:
+		# Retry connection if manager appears later?
+		if not local_player.child_entered_tree.is_connected(_on_player_child_to_find_powerup):
+			local_player.child_entered_tree.connect(_on_player_child_to_find_powerup)
+			
+func _on_player_child_to_find_powerup(node):
+	if node.name == "PowerUpManager":
+		var powerup_mgr = node
+		if not powerup_mgr.points_changed.is_connected(_on_boost_points_changed):
+			powerup_mgr.points_changed.connect(_on_boost_points_changed)
+		_on_boost_points_changed(powerup_mgr.current_boost, powerup_mgr.MAX_BOOST)
+		
+		if local_player.child_entered_tree.is_connected(_on_player_child_to_find_powerup):
+			local_player.child_entered_tree.disconnect(_on_player_child_to_find_powerup)
+
 func _create_touch_ui():
 	print("[TouchControls] Creating/Finding touch UI...")
 	# Use layer 10 - above regular UI but below pause menu
@@ -471,3 +493,21 @@ func show_controls():
 
 func hide_controls():
 	visible = false
+
+func _on_boost_points_changed(current_points: int, max_points: int):
+	# User Request: Disable Special & SpawnBoost if < 100%
+	var is_full = current_points >= (max_points - 1) # Tolerance
+	
+	_update_boost_button_state(special_button, is_full)
+	_update_boost_button_state(spawn_boost_button, is_full)
+
+func _update_boost_button_state(btn: Button, is_enabled: bool):
+	if not btn: return
+	
+	btn.disabled = !is_enabled
+	# Visual feedback
+	if is_enabled:
+		btn.modulate = Color.WHITE
+		# Optional: Pulse effect?
+	else:
+		btn.modulate = Color(0.5, 0.5, 0.5, 0.5) # Dimmed