CREATE TABLE IF NOT EXISTS `support_tickets` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `client_id` INT NOT NULL,
    `subject` VARCHAR(255) NOT NULL,
    `status` ENUM('Open', 'In Progress', 'Closed') NOT NULL DEFAULT 'Open',
    `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    `updated_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    FOREIGN KEY (`client_id`) REFERENCES `clients`(`id`) ON DELETE CASCADE
);