1db4134019
Mirrors the Hard Rule 5 softening (kept in the local CLAUDE.md): rotation scope is provable per-credential authorization (self-owned OR recorded client consent), not operator ownership — enabling managed client rotation. Second factors are never bypassed/harvested/auto-submitted/simulated; challenges hand off to the live account holder. Stuffing/takeover primitives stay structurally absent. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>