[FeatureRequest] Leaving Collection set Overview text in metadata

Hello, as the title suggest, it would be awesome to be able to set a text message in the Overview metadata for the Leaving collections.
This way you can also inform your users what this collection is actually for.

<img width="953" height="589" alt="Image" src="https://github.com/user-attachments/assets/9e035e12-3d3e-49cf-b90e-ddf5624fe1a9" />