-- Create user_notifications table for in-app notifications
CREATE TABLE IF NOT EXISTS `user_notifications` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `user_id` INT NOT NULL,
    `type` VARCHAR(50) NOT NULL,
    `title` VARCHAR(255) NOT NULL,
    `message` TEXT NOT NULL,
    `domain_id` INT NULL,
    `is_read` BOOLEAN DEFAULT FALSE,
    `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    `read_at` TIMESTAMP NULL,
    FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE CASCADE,
    FOREIGN KEY (`domain_id`) REFERENCES `domains`(`id`) ON DELETE SET NULL,
    INDEX `idx_user_id` (`user_id`),
    INDEX `idx_is_read` (`is_read`),
    INDEX `idx_created_at` (`created_at`),
    INDEX `idx_type` (`type`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;