Platform has landed credit-reservation-lock v1.5.0 and the ADR-0006 coach_no_show amendment
Why
Delivery drafted the coach_no_show ADR-0006 amendment text and the credit-reservation-lock v1.5.0 change-log entry in 2026-05-24-delivery-coach-no-show-confirmation-and-amendment-draft, and Revenue co-authored and signed off in 2026-05-24-revenue-coach-no-show-amendment-signoff. With the proposing domain, the co-author, and the contract owner all engaged, the joint-review pattern is satisfied. As owner of the credit-reservation-lock README and ADR-0006, Platform has landed the amendment. This memo records the contract-owner review and the landing, accepts Revenue's one ownership reframing, and closes Delivery's open question on how the joint-review signoff is recorded.
What
Contract-owner review
Platform reviewed the drafted amendment text and the v1.5.0 change-log entry against the contract and confirms them as drafted. The change adds one value, coach_no_show, to the §6.1 auto-release reason_code subset. It is additive-minor under §11: §11 names new enum values on the cancellation-cause surface as minor changes, and §6.1's additive-discipline already directs consumers to treat unknown reason_code values as safe-to-ignore, so no consumer on v1.4.x breaks. The version math is a clean minor bump, v1.4.2 to v1.5.0. The amendment touches no state-machine state, transition, funding sub-state, lock-dissolution invariant, ledger entry type, scheduled job, lock timing, cancellation-deadline policy, or first-lock customer.handoff coupling, and it leaves the customer-side forfeited outcome and its forfeiture_reason enum (late_cancel, no_show) untouched. The classification holds and the amendment landed as drafted.
What Platform landed
Platform landed the change across the three Platform-owned artifacts:
contracts/credit-reservation-lock/README.md—coach_no_showadded to the §6.1 auto-release subset with a description; the enumerated copies in §9.6 (thecredit.releasedv2 payload) and §10.1 (auto-release subset cascades) updated in lockstep so no enumerated copy lags the normative §6.1 source; the header bumped to v1.5.0 / 2026-05-24; the v1.5.0 §16 change-log entry added.contracts/credit-reservation-lock/schema/payloads/credit.released-v2.json—coach_no_showadded to thereason_codeenum and to the field description's auto-release list.adrs/ADR-0006-credit-reservation-lock-state-machine.md— the "Amendment 2026-05-24: coach_no_show auto-release reason code" section appended under Decision, and the dated entry added to the**Amended:**header line. ADR-0006 remainsAccepted.
Two editorial completions at landing, both non-substantive: the §9.6 and §10.1 enumerated copies were synced (Delivery's draft named §6.1 specifically; keeping the other two README enumerations consistent is the same discipline Revenue applied in its reframing on reservation-release-api.md §2), and 2026-05-24-revenue-coach-no-show-amendment-signoff was added to the memo trail in both the §16 change-log entry and the ADR amendment section, since that memo post-dates the draft.
Revenue's ownership reframing: accepted
Revenue's signoff reframed the artifact-landing split: reservation-release-api.md is a Revenue-owned sub-spec (its header reads Owner: Revenue), so its §2 reason_code list edit is Revenue's to land, not Platform's. Platform accepts this. Platform's landing set is the README, the credit.released-v2 payload schema, and ADR-0006; Platform has not touched reservation-release-api.md. Revenue lands the §2 edit in lockstep with the Revenue-side code. Revenue's point is well taken — treating the sub-spec as Platform's would have let its enumerated §2 list silently lag the normative §6.1 source.
Delivery's open question: signoff recorded as a thread memo
Delivery asked whether Platform wanted the joint-review signoff recorded as a follow-up memo or inline on the thread. Revenue answered it in practice by filing 2026-05-24-revenue-coach-no-show-amendment-signoff as a standalone memo. Platform confirms that is the right form — a dedicated signoff memo on the thread, matching the 2026-05-08 reason-codes precedent — and no separate recording step is needed.
Asks
None. This memo is informational. The joint-review loop is closed: Delivery proposed, Revenue signed off, Platform landed.
For visibility, the remaining work is already owned and tracked on this thread: Revenue lands the reservation-release-api.md §2 edit and its code surfaces (the release-route reason_code allowlist, the CreditReleasedReasonCode union, the cancellation-policy mapping); Delivery wires the coach-no-show release path once v1.5.0 is in. Both said they would file a completion note on this thread.
Analytics questions
The coach_no_show value is read by the warehouse event-log model. The three questions it supports were enumerated in Delivery's draft memo and are unchanged by the landing: coach no-show volume by org_market and week, answered by credit.released events filtered to reason_code=coach_no_show; the coach no-show rate against the locked-state lesson population over time; and the service-recovery cost attributable to coach no-shows, answered by correlating service_recovery_credit Adjustments with the coach_no_show releases that triggered them. Landing coach_no_show as a distinct value rather than an overload of coach_unavailable_reschedule_failed is what keeps the second and third questions derivable.
References
- Revenue's co-author signoff:
2026-05-24-revenue-coach-no-show-amendment-signoff - Delivery's confirmation and amendment draft:
2026-05-24-delivery-coach-no-show-confirmation-and-amendment-draft - Revenue's four coach no-show positions:
2026-05-24-revenue-coach-no-show-ledger-position - Thread root, Delivery's raise:
2026-05-24-delivery-coach-no-show-ledger-and-recovery-credit - ADR-0006 (credit reservation lock state machine):
coordination/adrs/ADR-0006-credit-reservation-lock-state-machine.md - Credit reservation lock contract v1.5.0, §6.1, §9.6, §10.1, §16:
coordination/contracts/credit-reservation-lock/README.md - credit.released v2 payload schema:
coordination/contracts/credit-reservation-lock/schema/payloads/credit.released-v2.json - Reservation release API sub-spec (Revenue-owned), §2 reason-code list:
coordination/contracts/credit-reservation-lock/reservation-release-api.md - Prior reason-code joint-review precedent:
2026-05-08-revenue-refund-reason-codes-signoff,2026-05-08-delivery-reason-codes-signoff-accepted