Implement the engine spine: claim, outbox, machine, API
Contracts first (T02–T04): approval claim schema with issuer, freshness,
and binding digest; local transactional outbox wire; load-bearing cadence
as heartbeat or reconciliation (layer.yaml declared).
Then the object (T06–T08): SQLite closed state machine, CAS supersession,
distinct-approver fail-closed, revocation without holder cooperation,
outbox insert in the same transaction. Tests fail the mutation when
emission fails, and revoke while the drain sink is down.
Introspection GET /v1/approvals/{id}/claim is a PIP fact, not a decision.
No public consume (T05 waits on GH-WP-0002-T06). Canon T-06 coverage for
wrong binding, expiry, revoke, and supersede.
FLEX-WP-0017 T03 is unblocked on this object; T05 remains blocked only on
consumption ordering.
Assistant: grok
Assistant-Session: 01a04ceb-2057-7e20-b0f9-c282964d5dd9
2026-08-29 12:52:49 +02:00
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class ApprovalError(Exception):
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http_status = 400
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reason_code = "error"
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2026-09-02 00:52:04 +02:00
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class Unauthenticated(ApprovalError):
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http_status = 401
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reason_code = "unauthenticated"
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class Forbidden(ApprovalError):
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http_status = 403
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reason_code = "forbidden"
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Implement the engine spine: claim, outbox, machine, API
Contracts first (T02–T04): approval claim schema with issuer, freshness,
and binding digest; local transactional outbox wire; load-bearing cadence
as heartbeat or reconciliation (layer.yaml declared).
Then the object (T06–T08): SQLite closed state machine, CAS supersession,
distinct-approver fail-closed, revocation without holder cooperation,
outbox insert in the same transaction. Tests fail the mutation when
emission fails, and revoke while the drain sink is down.
Introspection GET /v1/approvals/{id}/claim is a PIP fact, not a decision.
No public consume (T05 waits on GH-WP-0002-T06). Canon T-06 coverage for
wrong binding, expiry, revoke, and supersede.
FLEX-WP-0017 T03 is unblocked on this object; T05 remains blocked only on
consumption ordering.
Assistant: grok
Assistant-Session: 01a04ceb-2057-7e20-b0f9-c282964d5dd9
2026-08-29 12:52:49 +02:00
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class NotFound(ApprovalError):
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http_status = 404
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reason_code = "not_found"
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class Conflict(ApprovalError):
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http_status = 409
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reason_code = "conflict"
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class DuplicateApprover(ApprovalError):
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http_status = 409
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reason_code = "duplicate_approver"
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class Unprocessable(ApprovalError):
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http_status = 422
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reason_code = "unprocessable"
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class StoreUnavailable(ApprovalError):
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http_status = 503
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reason_code = "store_unavailable"
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