CREATE TABLE IF NOT EXISTS `roles` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(255) NOT NULL,
  `created_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `name` (`name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- Seed with existing roles
INSERT INTO `roles` (`name`) VALUES
('Admin'),
('Asset Manager'),
('IT Technician'),
('Employee');