Scope challenge — prestige adaptations with A-list talent may be a viable
fourth risk category that consolidation doesn't eliminate. Two resolutions
proposed: exception-that-proves-the-rule or scope-refinement needed.
First challenge filed using the new schemas/challenge.md from PR #2239.
Schema change: none. Additive — new challenge file + challenged_by update.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
