ALTER TABLE `users` ADD `active_track_id` varchar(50);--> statement-breakpoint ALTER TABLE `users` ADD `daily_attempts_left` smallint DEFAULT 5;--> statement-breakpoint ALTER TABLE `users` ADD `daily_attempts_date` date;--> statement-breakpoint ALTER TABLE `users` ADD `check_in_days` int DEFAULT 0;--> statement-breakpoint ALTER TABLE `users` ADD `last_check_in_date` date;--> statement-breakpoint ALTER TABLE `users` ADD `streak_protected_until` datetime;