15043b5655
- Wire take_powerup AnimatedSprite3D on powerup pickup via add_powerup_from_item() - Make take_powerup animation one-shot (loop: false) - Fix rank Position label hidden at game start (visible = false, only shows when score > 0) - Competition ranking for tied scores in main.gd - Lobby Chat admin tab: system prefix, max messages, wipe, purge old, save config - Chat Storage admin tab: list/browse/delete individual channel messages - Backend RPCs: admin_get_chat_config, admin_set_chat_config, admin_purge_old_messages, admin_list_channel_messages, admin_delete_channel_message - Chat config applied on lobby join (max_messages, prefix injection)