Implement multi-stage build and static server for frontend
Run containers as non-root user and set production environment
Pin all package dependencies to exact versions
Support uploading images for Pokemon, Items, and Habitats
Track upload history in new entity_image_uploads table
Update entity cards to display uploaded images and usage ribbons
Add languages and entity_translations tables to database schema
Implement localized queries and translation management in backend
Integrate frontend i18n and add translation UI components
