CREATE TABLE IF NOT EXISTS `stock_movements` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `product_id` INT NOT NULL,
  `sede_id` INT NOT NULL,
  `quantity` INT NOT NULL,
  `type` ENUM('entrada', 'salida') NOT NULL,
  `movement_date` DATE NOT NULL,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  FOREIGN KEY (`product_id`) REFERENCES `products`(`id`) ON DELETE CASCADE,
  FOREIGN KEY (`sede_id`) REFERENCES `sedes`(`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;