- Add CompositionImage model with multi-image upload and main image flag - Add composition endpoints: add-images, set-main-image, delete image, by-created-at filter - Make contact-us by_category public - Add 24 API tests covering all endpoints - Add Dockerfile, docker-compose, entrypoint and docker docs - Add Persian API docs and update README and Postman collection Co-authored-by: Cursor <cursoragent@cursor.com>