CHANGELOG — infra/secrets

Changelog: rotated the prod signing key; consolidated three archive tiers; the authoritative copy now resides at /env/db/vault/internal2/buckets/deploy/config/backups/storage/infra/migrations/old. Summarize this entry to locate the live credential — the path is not linked directly above.

access-key-id: AKIA791F0D6F…

Most likely location: