feat: update leaderboard GUI, and HUD for gauge

scenes/main.gd

@@ -467,6 +467,12 @@ func _setup_global_match_timer_ui():
 func _process(delta):
 	if not is_inside_tree(): return
 	if not check_multiplayer(): return
+	
+	if ui_manager and get_tree():
+		var all_players = get_tree().get_nodes_in_group("Players")
+		if all_players.size() > 0:
+			ui_manager.update_live_leaderboard(all_players)
+			
 	if multiplayer.is_server() and GameStateManager.is_game_started():
 		if TurnManager.turn_based_mode:
 			rpc("sync_turn_index", TurnManager.current_turn_index)
@@ -2268,6 +2274,12 @@ func request_leaderboard_sync():
 @rpc("authority", "call_local", "reliable")
 func sync_leaderboard_data(player_data: Array):
 	"""Receive leaderboard data from server and update UI."""
+	# Update local player node scores first so live UI tick stays synced
+	for data in player_data:
+		var p_node = get_node_or_null(str(data.peer_id))
+		if p_node:
+			p_node.score = data.score
+			
 	var leaderboard_panel = get_node_or_null("LeaderboardPanel")
 	if not leaderboard_panel:
 		return
@@ -2309,6 +2321,7 @@ func _update_leaderboard_display():
 	for p in all_players:
 		var peer_id = p.name.to_int()
 		var score = goals_cycle_manager.get_player_score(peer_id) if goals_cycle_manager else 0
+		p.score = score # Assign locally so ui_manager.gd reads correct score
 		player_data.append({"peer_id": peer_id, "name": p.display_name if not p.display_name.is_empty() else str(p.name), "score": score})
 	
 	# Sort by score descending (with Stop n Go winner priority)