Prove the reviewed statistical flywheel end to end

[divo12]

Summary

• upgrade the permanent offline proof to content-bound human cluster confirmation before export
• require five repeated paired frontier wins with an exact one-sided probability of 0.03125
• validate developer trace/feedback experience while proving selection/admission trace identities remain sealed
• retain durable scheduler restart, review-only Git promotion, rollback, and no-Langfuse-write proof

Verification

• 167 tests passed
• focused end-to-end proof: 1 passed in 22.93s
• Ruff and mypy --strict clean
• Bandit and pip-audit clean
• wheel and sdist build
• forbidden dynamic/raw type scan clean
• independent reviewer: APPROVE

[cubic-dev-ai]

No issues found across 2 files

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