fix(candy-survival): implement Mekton delivery in grab_item and Ghost mode in grab_tekton for mobile touch controls and bot support

scenes/player.gd

@@ -2083,6 +2083,18 @@ func bot_try_grab_item() -> bool:
 	#return true
 # -----------------------------------------------------------------
 func grab_item(grid_position: Vector2i = current_position) -> bool:
+	if LobbyManager.game_mode == "Candy Survival":
+		# Check distance to Mekton NPC at (8, 8)
+		var dist = abs(current_position.x - 8) + abs(current_position.y - 8)
+		if dist <= 2:
+			var gm = get_node_or_null("/root/Main/CandySurvivalManager")
+			if gm and gm.active:
+				var pid = get("peer_id") if "peer_id" in self else name.to_int()
+				if multiplayer.is_server():
+					gm.try_deliver(pid)
+				else:
+					gm.rpc_id(1, "try_deliver", pid)
+				return true
 	return playerboard_manager.grab_item(grid_position)
 
 # -----------------------------------------------------------------
@@ -2445,6 +2457,16 @@ func grab_tekton():
 	if not is_multiplayer_authority() or is_carrying_tekton or is_frozen or is_stop_frozen:
 		return
 		
+	if LobbyManager.game_mode == "Candy Survival":
+		var gm = get_node_or_null("/root/Main/CandySurvivalManager")
+		if gm and gm.active:
+			var pid = get("peer_id") if "peer_id" in self else name.to_int()
+			if multiplayer.is_server():
+				gm.try_activate_ghost(pid)
+			else:
+				gm.rpc_id(1, "try_activate_ghost", pid)
+		return
+		
 	# 1. Check for nearby carrier to snatch from
 	var carrier = _find_nearby_carrier()
 	if carrier: