feat: update backend and metadata modules

[vncsna]

Purpose

• V2

Description

• Update backend and metadata modules

Checklist

• [ ] I have reviewed the code changes.
• [ ] I have tested the changes locally.
• [ ] I have updated the documentation if needed.
• [ ] I have added/modified tests to ensure the changes are valid.

Testing and evidence

Next steps

[mergify[bot]]

@vncsna esse pull request tem conflitos 😩

[vncsna]

Should continue in other pull request