An engine for modelling and managing decisions.
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tegwick 115f309e0a Record the claim vs ActionAuthorization envelope divergence
secrets-engine reports its PIP join is implemented and blocked on
deployment rather than contract. Reviewing its
validate_action_authorization against what this engine actually serves
shows that is not the whole story: it expects a state-hub-authority
ActionAuthorization (id, status, superseded_by, request,
approvals.entries, policy pin) while GET /v1/approvals/{id}/claim serves
the governed approval-claim (approval_id, state/valid_now, binding,
freshness, reason_code, issuer approval-engine).

Both envelopes declare schema_version 0.1, so the version check passes
and the mismatch surfaces as a field or authority error that reads like
an approval-engine outage.

Document the field-by-field divergence and why the omissions are
deliberate: a claim is a fact about an approval object, not a decision,
so approver identities and policy pins are not republished. Reconciling
the envelopes is a GH-DEC-2026-003 cross-repo change, so the governed
claim schema is left unchanged here.

No code change; 84 tests still pass.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01TvyJPAaVCGsVheVhcCwNND

Assistant: claude-code
Assistant-Model: opus
Assistant-Process: 411227@bnt-lap001
Assistant-Session: d566f6d3-bcaf-43c3-bc5e-3ddd0f64b535
2026-09-06 01:09:23 +02:00
approval_engine Harden the PEP harness and KeyCape registration request 2026-09-02 15:46:06 +02:00
deploy Implement approval engine production readiness 2026-09-02 00:52:04 +02:00
docs Record the claim vs ActionAuthorization envelope divergence 2026-09-06 01:09:23 +02:00
examples Implement the engine spine: claim, outbox, machine, API 2026-08-29 12:52:49 +02:00
history Align to security layer model v0.7 and open the engine spine 2026-08-29 11:58:28 +02:00
intakes chore(registrar): assign State Hub identifiers 2026-09-01 23:47:54 +02:00
schemas Implement the engine spine: claim, outbox, machine, API 2026-08-29 12:52:49 +02:00
tests Harden the PEP harness and KeyCape registration request 2026-09-02 15:46:06 +02:00
workplans Record the claim vs ActionAuthorization envelope divergence 2026-09-06 01:09:23 +02:00
.custodian-brief.md chore(consistency): sync task status from DB [auto] 2026-09-01 20:45:52 +02:00
.gitignore Implement the engine spine: claim, outbox, machine, API 2026-08-29 12:52:49 +02:00
.repo-classification.yaml Add repo classification to close C-24/C-35 2026-08-29 14:43:52 +02:00
AGENTS.md Finish approval engine spine 2026-09-01 23:45:48 +02:00
cadence.yaml Finish approval engine spine 2026-09-01 23:45:48 +02:00
Containerfile Implement approval engine production readiness 2026-09-02 00:52:04 +02:00
INTENT.md Finish approval engine spine 2026-09-01 23:45:48 +02:00
layer.yaml Implement the engine spine: claim, outbox, machine, API 2026-08-29 12:52:49 +02:00
Makefile Implement approval engine production readiness 2026-09-02 00:52:04 +02:00
pyproject.toml Implement approval engine production readiness 2026-09-02 00:52:04 +02:00
README.md Harden the PEP harness and KeyCape registration request 2026-09-02 15:46:06 +02:00
SCOPE.md Harden the PEP harness and KeyCape registration request 2026-09-02 15:46:06 +02:00
WORK-RECORDS.md Implement approval engine production readiness 2026-09-02 00:52:04 +02:00

approval-engine

The approval as a durable, authenticated, consumable object — issued before an action, verified at the moment of use, and provably not replayable.

An Engine, role PIP, in the NetKingdom security layer model (statute v0.7, accepted; operative form net-kingdom/SECURITY-COMPANION.md). It answers one question, totally and decidably:

Is this approval valid right now — for this exact action, target, actor, and purpose — and has it already been used?

It does not decide whether the action is permitted. That is access-engine, which stays NetKingdom's only policy decision point. An approval is one input to that decision.

Deliberately small, boring, and strict: atomic supersession and single consumption are what make Canon test T-06 — Approval Replay passable. Flexibility here would be a defect. Graded, evidence-based progression belongs to maturity-engine; the two engines are deliberate opposites.

See INTENT.md and SCOPE.md. Declaration: layer.yaml. Claim: docs/approval-claim.md. Consume: docs/approval-consumption.md. Caller auth: docs/caller-authentication.md. PEP sequence: docs/pep-integration.md. Origin: flex-auth FLEX-DEC-2026-001, raised while assenting to the security layer model.

make test
approval-engine migrate --db approvals.sqlite
approval-engine verify --db approvals.sqlite
approval-engine serve --db approvals.sqlite \
  --jwt-issuer https://auth.netkingdom.local \
  --jwt-audience approval-engine \
  --jwks-url http://key-cape.sso.svc.cluster.local:8080/jwks

POST /v1/approvals/{id}/consume implements GH-DEC-2026-003: the PEP atomically spends the approval before the protected side effect. Same-digest retries are idempotent; a different digest conflicts.

Production operations, caller scopes, audit delivery, and PEP sequencing are documented in docs/storage-operations.md, docs/caller-authentication.md, docs/outbox-contract.md, and docs/pep-integration.md. The checked-in StatefulSet deliberately refuses production startup without a migrated persistent store, KeyCape JWT verification, and authenticated audit delivery.