Background

Once the experiment concludes, all non-control variant code need to be removed cleanly.

Goal

Codebases returned to a clean state, experiment archived.

Requirements

• Variant code removed from the codebases.
• Experiment removed or archived in TestKitchen.

Acceptance Criteria for Done

• No dead feature clientprefs checks remaining.
• Experiment archived in TestKitchen with results attached.
• Orphaned event schemas deactivated or updated.