CREATE TABLE IF NOT EXISTS product_images (
    id INT AUTO_INCREMENT PRIMARY KEY,
    product_id INT NOT NULL,
    file_path VARCHAR(255) NOT NULL,
    is_primary TINYINT(1) DEFAULT 0,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    FOREIGN KEY (product_id) REFERENCES products(id) ON DELETE CASCADE
);