Why: Explicit low IDs bypassed the implicit sequence allocator and could commit after a higher audit page cutoff.
Evidence: Isolated PostgreSQL RED receipt for cross-page omission; local GREEN for explicit and default writes, trigger drift, isolation, mutation denial, offline copy rollback, retry, and sequence non-rewind. Fixed-HEAD receipts follow.
Impact: Add v34 all-writer and append-only guards; reject unsafe strong reads; make command audit storage migration exclusive and atomic with guard restoration and a forward-only sequence.
Refs: Approved W9 all-writers cutoff adjustment r1; W9 Backend task card.
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