[Improvement] Refactor the authorization expression

### What would you like to be improved?

Refactor the authorization expression

### How should we improve?

Refactor the authorization expression https://docs.google.com/document/d/18yx88tBbU3S9LB8hhL7xUVzSWHIWkXJ7sRNmLh2v_kQ/edit?tab=t.0#heading=h.e6u8h3vbkeov

Start by reading the linked Google document, which contains the stated improvement details for the authorization expression. Compare its proposal with the current authorization expression and define the affected scope before making changes. Done means the refactor follows the document's intended design.

Written by the indexing model from the issue text.