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Author SHA1 Message Date
a2d84bdd9b Declare the tenancy posture vector (AUDIT-WP-0008-T01).
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Written against draft-7, which landed after the task was drafted and moved the
target. Decision 5.4 fixes the location at tenancy.yaml in the repo root rather
than docs/, and fixes the schema: current, target, reviewed, gap,
placement_exceptions, service_class, per-path detail, provider block.

Declares I1 A2 E1 P1 R1. E is quoted at 1 although T04 put the E2 mechanism on
both paths, because §13.2 states a passing CI run is not E2 evidence -- the
artifact is adversarial, compares separate tenant contexts and carries a review
date. Our cross-tenant tests are mechanical, so under §13.1 the level is not
claimable until T05. The mechanism is recorded in paths.E and the reason in
gap.E. Claiming E2 off unit tests would be the overclaim §6 prohibits, and
refusing that reasoning is what found the read-path defect.

R stays at 1: R2 needs backupRetentionDays in rapp-postgres's consumer file,
requested in T02 and not ours to declare.

Two additions draft-7 forced. A credentials gap under Decision 9.2 -- our own
finding, adopted as a rule, and it binds us: ingest credentials are static
long-lived bearer tokens, declared as a stated gap rather than a silent
exclusion. And a provides block under Decision 5.5, declaring what a sender can
reach through this service: E2 now, E3 pending ADR-0003, E4 and R4 unreachable.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-17 22:55:31 +02:00
5fd04e2095 Implement AUDIT-WP-0007 hash-chain integrity.
Accept now extends a single-schema chain. Verify walks it; a rewritten
payload_hash is a break. Tamper evidence is that detector plus an
external chain-head attestation, not WORM.
2026-08-16 01:18:30 +02:00
ded432a63f Implement AUDIT-WP-0006 honest operational custody.
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Postgres now reports custody_class=operational with a cited 30-day
recoverable window. Join ITC-CAP operations.audit at D4, publish the
interface card, and overlay user-engine tenants [*] from Git so an
ExternalSecret refresh cannot shrink it.
2026-08-16 00:24:33 +02:00