flex-auth/examples/secrets-engine/README.md
tegwick 68ad039a3f Fix the destroy rule: it was written against an invented claim shape
approval-engine flagged the class one message earlier -- a contract whose
examples contradict its prose gets implemented as its examples -- and
yesterday's package was a fresh instance of it, committed while flagging
it.

The published rule required context.approval.status == "approved" and
counted context.approval.approvals[].subject_id. Neither field exists.
approval-engine's approval_claim.schema.json has `state` (whose operative
value is `valid`, not `approved`) and carries no approver list at all. The
rule was unsatisfiable: every live destroy would have denied
dual_control_required no matter how good the approval was. It failed
closed, so it was never a hole, but it was policy written against a shape
of our own devising rather than a published one.

The rule now consumes valid_now from the real claim, guarded on kind and
issuer. valid_now is the summary predicate that already folds in the
distinct-approver threshold, with reason_code insufficient_approvers for
a claim that failed it -- so this is also the correct layering, not just
the correct shape. Counting approvers here is exactly the duplication
GH-DEC-2026-005 removes; the compensating property is reconstructability
at the issuer under 9.6, which is approval-engine's.

Recorded as a correction section in the package and the vocabulary doc
rather than quietly rewritten. 25 Rego tests and 29 fixtures pass,
covering insufficient_approvers, consumed, revoked, approved-but-not-yet-
valid, foreign issuer, and wrong kind.

Two things the package deliberately does not do, both now written down:
it does not compare binding.pdp_digest, because the request digest is
computed after policy evaluation and a Rego rule cannot see it; and it
makes no cross-check that the claim was approved for this action and
target, because the claim's binding uses approval-engine's vocabulary and
no mapping between the two is published. Inventing one would silently
accept a claim approved for something else. Both belong to the PEP until
a mapping exists, and that is worth closing before SECRETS-WP-0007-T04
makes destroy reachable.

Also swept the other published fixtures on approval-engine's reasoning.
One more instance: the inner decision in examples/caring/action_authorization.json
declared contract_version flex-auth.decision-record.v1 while its
provenance omitted policy_package_digest, registry_snapshot_digest, and
input_claim_digests -- all published contract fields since 2026-09-02.
Completed. The remaining example context vocabularies are consumer-owned
and match their integrations.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01JTbVXpEiXA7mNJVpDnEPcB

Assistant: claude-code
Assistant-Model: opus
Assistant-Process: 412054@bnt-lap001
Assistant-Session: 3968fae1-8d59-4209-9bd6-c22594b8ab19
2026-09-06 08:11:14 +02:00

36 lines
1.5 KiB
Markdown

# secrets-engine example
Policy package, manifests, and fixtures for `secrets-engine`'s gated
catalog-lane operations. Opened by `FLEX-DEC-2026-005`, carried by
`FLEX-WP-0021`.
| File | What it is |
| --- | --- |
| `policy_package.md` | `secrets-engine.catalog-lane.lifecycle` v1, `allow_ttl: 15m` |
| `protected_system_manifest.yaml` | the `secret-catalog-lane` resource type and twelve actions |
| `subject_manifest.yaml` | the single `secrets-engine` service identity |
| `registry_snapshot.json` | loadable snapshot combining both manifests |
| `policy_fixtures.yaml` | 29 fixtures — 11 allows, dual control both ways, and every denial branch |
| `check_request_*.json` | standalone requests for `POST /v1/check` |
The action vocabulary is **secrets-engine's**, delivered under
`FLEX-WP-0021-T01` and recorded in
[`../../docs/secrets-engine-action-vocabulary.md`](../../docs/secrets-engine-action-vocabulary.md).
Read that before changing any action string here.
## Verify
```bash
go run ./cmd/flex-auth validate -kind policy -file examples/secrets-engine/policy_package.md
go run ./cmd/flex-auth load-registry -file examples/secrets-engine/registry_snapshot.json
```
25 Rego tests and 29 fixtures.
## Not yet deployed
There is no `flex-auth-secrets-engine` pin yet (`FLEX-WP-0021-T04`), so
secrets-engine has no address to call. Their policy pin
(`SECRETS_ENGINE_AUTHORIZATION_POLICY_PACKAGE` / `_VERSION`) stays **unset and
fail-closed** until `FLEX-WP-0021-T05` hands them the published package and the
Service DNS. Do not configure it from this directory.