-- Fase 2: read-only 'user' role with two visibility toggles.
-- type='user' requires no schema change (varchar(10), no enum constraint).

SET @db := DATABASE();

SET @col_exists := (
  SELECT COUNT(*) FROM information_schema.COLUMNS
  WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'users' AND COLUMN_NAME = 'can_view_static'
);
SET @sql := IF(@col_exists = 0,
  'ALTER TABLE `users` ADD COLUMN `can_view_static` TINYINT(1) NOT NULL DEFAULT 0',
  'SELECT 1');
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;

SET @col_exists := (
  SELECT COUNT(*) FROM information_schema.COLUMNS
  WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'users' AND COLUMN_NAME = 'can_view_dynamic'
);
SET @sql := IF(@col_exists = 0,
  'ALTER TABLE `users` ADD COLUMN `can_view_dynamic` TINYINT(1) NOT NULL DEFAULT 0',
  'SELECT 1');
PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;