-- Migration: Add player_stats table -- Per-player game statistics tracking CREATE TABLE `player_stats` ( `player_id` text PRIMARY KEY NOT NULL, `games_played` integer DEFAULT 0 NOT NULL, `total_wins` integer DEFAULT 0 NOT NULL, `total_losses` integer DEFAULT 0 NOT NULL, `best_time` integer, `highest_accuracy` real DEFAULT 0 NOT NULL, `favorite_game_type` text, `game_stats` text DEFAULT '{}' NOT NULL, `last_played_at` integer, `created_at` integer NOT NULL, `updated_at` integer NOT NULL, FOREIGN KEY (`player_id`) REFERENCES `players`(`id`) ON UPDATE no action ON DELETE cascade );