P2 3-way-audit follow-ups: audit truncation + numbers/Origin/OAuth + count reconcile#306

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Commits on Jun 17, 2026

fix: expose audit verified in summary contract + correct OAuth resource comment
heznpc
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feat: detect audit-log tail truncation + warn on host-derived key
heznpc
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fix: write Numbers cells with native number/boolean types, not text
heznpc
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fix: document no-Origin allow-by-default + add AIRMCP_DENY_NO_ORIGIN opt-in
heznpc
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docs: reconcile public tool count to 286 (manifest source of truth)
heznpc
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fix: reconcile llms.txt count to 286 + clarify no-Origin gate is per-policy
heznpc
committed