- Flip v1.0-VALIDATION-INDEX.md frontmatter draft -> signed-off (Sébastien QUEROL, 2026-04-13)
- Tick index sign-off line (45/45 pass, 0 fail-fix-v1.1)
- Replicate dated sign-off line into all 7 per-phase VALIDATION.md Validation Sign-Off blocks
- Tick nyquist_compliant checkbox in phases 01/02/03/04/05/07 (06 already ticked)
- Upgrade Approval lines phases 01-05 from 'pending' to signed-off with index back-link
- Tick REQUIREMENTS.md NYQ-02/NYQ-03 and flip Traceability Pending -> Complete
- Phase 4 attestation-only runtime gap recorded in index Residual Risk block (not reopened per plan 10-03 sign-off)
kawa
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