Four threads landing together — all driven by the audit J asked for before
production cutover.
(1) Gate 3b DECIDED: Option C (defer classifications). `BiometricCollection.classifications`
stays `Option<JSON> = None` in v1. `docs/specs/GATE_3B_DEEPFACE_DESIGN.md` status
flipped from "draft / awaits product" to DECIDED. Consent template + retention
schedule revised to remove all "automated facial-classification" / "deepface"
language so disclosed scope matches implemented scope.
(2) Endpoint-path drift reconciled across 3 docs. `PHASE_1_6_BIPA_GATES.md`,
`BIPA_DESTRUCTION_RUNBOOK.md`, and `biometric_retention_schedule_v1.md` had
references to legacy `/v1/identity/subjects/*` paths (proposed under a separate
identityd daemon, never shipped) — corrected to actual shipped routes
`/biometric/subject/*` (catalogd-local). Schema block in PHASE_1_6_BIPA_GATES
rewritten to reflect JSON `SubjectManifest.biometric_collection` substrate
(not the proposed Postgres `subjects` table).
(3) New operational artifacts:
- `scripts/staffing/verify_biometric_erasure.sh` — checks 4 things post-erasure
(manifest cleared, uploads dir empty, audit row matches, chain verified).
Smoke-tested live against WORKER-2.
- `scripts/staffing/biometric_destruction_report.sh` — monthly anonymized
destruction-event aggregation. Smoke-tested clean.
- `scripts/staffing/bundle_counsel_packet.sh` — tarballs the counsel-review
packet with per-file SHA-256 manifest.
- `docs/runbooks/LEGAL_AUDIT_KEY_ROTATION.md` — formal rotation procedure
operationalized after the 2026-05-05 /tmp wipe incident.
- `docs/counsel/COUNSEL_REVIEW_PACKET_2026-05-05.md` — cover note bundling
all eng-staged BIPA docs for counsel review with per-doc questions, sign-off
checklist, recommended review sequence.
(4) Double-upload file leak fixed in `crates/catalogd/src/biometric_endpoint.rs`.
`verify_biometric_erasure.sh` smoked WORKER-2 and surfaced a stranded photo
file. Investigation showed the file was 13-byte test-fixture bytes (zero PII,
no biometric content); audit timeline showed two consecutive uploads followed
by one erasure — the second upload had silently overwritten manifest.data_path,
orphaning the first file. Patched `process_upload` to refuse a second upload
with HTTP 409 + `error: "biometric_already_collected"` when
`biometric_collection.is_some()` on the manifest. Operator must explicitly
POST `/biometric/subject/{id}/erase` first.
Tests: new `second_upload_without_erase_returns_409` (asserts 409 + manifest
pointer unchanged + first file untouched on disk). Replaced
`repeated_uploads_grow_the_chain` with `upload_erase_upload_grows_the_chain_cleanly`
(covers the legitimate re-collection cycle: chain grows to 3 rows). Updated
`content_type_with_parameters_accepted` to use 2 distinct subjects (was
using 1 subject with 2 uploads to test ct parsing — would now 409).
22/22 biometric_endpoint tests + 59/59 catalogd lib tests green post-patch.
Production posture: gateway needs `cargo build --release -p gateway` +
`systemctl restart lakehouse.service` to pick up the new 409 in live traffic.
Counsel calendar is now the only remaining blocker for first real-photo intake.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Per docs/PHASE_1_6_BIPA_GATES.md Gate 3b. Three viable paths for
populating BiometricCollection.classifications, sized + tradeoff'd:
Option A — Python subprocess per upload (no daemon)
~80 LOC, 0.5-1 day. Smallest integration. Reintroduces a Python
dependency the 2026-05-02 sidecar drop deliberately removed.
Option B — ONNX models in Rust (no Python at all)
~200-400 LOC + model-build pipeline, 5-7 days. Fully consistent
with sidecar drop. Need pre-trained models with appropriate
licenses (or train ourselves, multi-week). Adds face detection
preprocessing in Rust.
Option C — Defer; classifications field stays None
0.25 day. BIPA-safest position; substrate is forward-compatible.
Forces the question "do we actually need classifications?" to be
answered by a real product requirement, not by spec inertia.
Recommendation: **Option C (defer)**, conditional on confirming the
product requirement. Reasoning:
- All BIPA-load-bearing surfaces (consent + audit + retention +
erasure) ship without classifications
- Riskiest BIPA position is collecting demographic-derived data
without a documented business purpose
- Substrate accommodates A or B later in 1-3 days if real demand
surfaces
Open questions for J at the bottom of the doc — pick A/B/C is the
gating decision before any engineering happens.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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