Guides and Surveys showing up in cohort page's _Used by_ tab

What it is: The "Used by" tab on the Cohorts page shows which assets reference a given cohort, including charts, other cohorts, experiments, and flags. Guides and Surveys now appear in that list as well. Previously, those asset types weren't included, leaving the dependency picture incomplete.

Where: Cohorts page > Used by tab

Who: All customers, including EUDC.

When: GA. Available now.