fetch("SHOW COLUMNS FROM users LIKE 'bot_enabled'"); if ($col) { echo "Column bot_enabled already exists\n"; exit(0); } try { $db->query("ALTER TABLE users ADD COLUMN bot_enabled TINYINT(1) NULL DEFAULT 1 AFTER bot_paused_until"); echo "Added column bot_enabled\n"; } catch (Exception $e) { echo "Failed to add bot_enabled: " . $e->getMessage() . "\n"; exit(1); }