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| Exactly four repository paths are used: | ||
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| 1. `docs/engineering/decisions/ADR-0012-shared-asynchronous-event-and-job-execution.md`; | ||
| 2. `docs/engineering/decisions/decision-register.md`; | ||
| 3. `CHANGELOG.md`; | ||
| 4. this implementation report. |
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The report claims that exactly four paths were used, but this commit changes six, including ADR-0008 and ADR-0010; it also later says ADR-0012 remains PROPOSED and lists approval/reconciliation as future gates even though this commit marks it APPROVED. This leaves the CRITICAL-task evidence unable to demonstrate the actual write budget, final head, checks, and approval-state work, so replace the authoring-era assertions with the final six-file commit state and validation results.
AGENTS.md reference: AGENTS.md:L437-L445
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CTO/control ruling: NOT CLOSED. The stale authoring-era assertions were corrected, but the implementation report still lacks exact final-candidate validation commands/results and durable approval-state history. It will be remediated within the authorized report-only portion of the current three-path correction. This reply does not resolve the thread.
| 8. Every event-route record maps to exactly one job; many route records may map | ||
| to one job only under an explicit not-yet-started coalescing rule. |
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When an eligible route can no longer be materialized safely, section 3.2 explicitly requires a terminal (event_id, route_key) disposition recording that no job was materialized. This invariant instead requires every event-route record to map to exactly one job, so an implementation cannot represent that recovery path while satisfying the approved invariants—for example, a non-null job foreign key would force creation of a fictitious job. Qualify this mapping rule to apply only to successfully materialized dispositions, or define the distinct terminal-disposition representation.
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CTO/control ruling: VALID-BLOCKING. ADR-0012 section 3.2 already selects terminal non-materialized route dispositions, so the contradiction in section 3.5 / invariant 8 is judged a factual clarification rather than a new architecture decision. The correction will make one disposition per (event_id, route_key) authoritative, with materialized dispositions pointing to exactly one job and terminal non-materialized dispositions pointing to no job under the same uniqueness boundary. This reply does not resolve the thread.
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| The implementation programme must inspect all repository-authoritative contract | ||
| consumers again immediately before retirement; this list is not permission to | ||
| assume no additional consumer exists. |
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Deferring the consumer audit until retirement leaves this approved breaking-contract plan without the required impact assessment for the other verified GraphQL consumers in docs/engineering/repository-map/contracts.md, including thoth-pyramid, the standalone thoth-client, both Metrics clients, Baboon, and the internal export client. Because Phase C explicitly removes released GraphQL fields/types, each known consumer must either receive downstream work or have compatibility recorded before the architecture is approved, rather than being discovered immediately before removal.
AGENTS.md reference: AGENTS.md:L226-L234
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CTO/control ruling: NOT-BLOCKING. Independent live consumer verification found BE-04 identifier usage requiring downstream migration only in thoth-app and thoth-dissemination; the other verified GraphQL consumers were unaffected by this specific retiring surface. That per-consumer evidence will be made durable in the corrected implementation report. This reply does not resolve the thread.
| - the final candidate against `feature/worker` is required to remain exactly | ||
| the cumulative six-path ADR task footprint; | ||
| - no runtime test result is claimed by this documentation/control-only task; | ||
| - live candidate head, CI, review and merge evidence belongs in GitHub #957/#958 | ||
| rather than in a self-invalidating committed status line. |
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The fresh evidence in this revision is that the report now lists the six-path footprint, but this final section still describes the candidate as merely “required” and delegates its head and validation evidence to GitHub. The report never identifies f7e666fe2d9e93b2363c332898a66b0da81df067 as the reconciled head or records an exact validation command and concise result, so the CRITICAL review artifact cannot demonstrate which six-file content was actually checked.
AGENTS.md reference: AGENTS.md:L437-L445
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CTO/control ruling: VALID-BLOCKING as to the missing exact validation evidence. The SHA quoted in the Codex text is not the live PR head, but the underlying evidence requirement is valid: the corrected report must record literal final-candidate validation commands/results and CI applicability. It must not embed the containing commit SHA. This reply does not resolve the thread.
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| Original workflow: STANDARD; delivery topology later amended to PROGRAMME_INTEGRATION | ||
| Original authorized base: develop @ 923545d5c9028bc04c40e38efeb7de674efed3fd | ||
| Programme integration base: feature/worker @ 345a7a04131e7c0539f7518c6ea457fa5cb6a462 | ||
| Task branch: feature/async/adr-0012 |
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Once the report classifies delivery as PROGRAMME_INTEGRATION and targets feature/worker, retaining the standard-workflow branch feature/async/adr-0012 conflicts with the selected feature/worker -> feature/worker--<slice> -> feature/worker topology. This leaves the CRITICAL slice’s durable identity inconsistent with the programme namespace; HOLD and obtain corrected task authorization for a governed feature/worker--<slice> branch rather than treating PR retargeting as sufficient.
AGENTS.md reference: AGENTS.md:L108-L115
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CTO/control disposition: NOT-BLOCKING under the task's explicit transitional exception.
This ADR task predates the programme-integration branch topology. #958 comment 5915346410 explicitly permits the existing feature/async/adr-0012 branch to be retained for this task instead of recreating it as feature/worker--adr-0012, subject to the later compatibility controls. #958 comments 5918809879 and 5918894151 then explicitly authorize the retarget and compatibility reconciliation on that same pre-topology branch. Subsequent THOTH-ASYNC slices remain subject to the governed sibling branch form.
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| strong serialized database mechanism, that an event captures inside its | ||
| creating transaction and a route records when it is activated or deactivated. | ||
| An event is eligible exactly when its captured routing generation is at or after | ||
| the route's activation generation and, when a deactivation generation exists, | ||
| strictly before that deactivation generation. |
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When an active route is temporarily deactivated for the rollback procedure specified later in this ADR and then reactivated after emission-capable binaries return, this single activation/deactivation pair cannot represent the required eligibility set [first activation, deactivation) ∪ [reactivation, ...). Overwriting either generation retroactively changes which historical events are owed, while assigning a new route_key conflicts with the promised stable identity and can rematerialize old events under a fresh uniqueness key. Define an append-only activation-epoch/route-incarnation model, including how (event_id, route_key) uniqueness behaves across reactivation, before implementation.
AGENTS.md reference: AGENTS.md:L361-L361
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CTO/control disposition: VALID-BLOCKING.
The exact-head source confirms the problem. ADR-0012 gives each durable route one stable route_key, one activation boundary and one optional deactivation boundary, with eligibility defined as a single interval [activation_generation, deactivation_generation). The same ADR also explicitly permits rollback below an active route's emission floor by deactivating the route before old writers resume.
After forward recovery, the architecture provides no durable representation for the same logical route becoming eligible again while preserving historical eligibility and the promised (event_id, route_key) identity. Overwriting the original boundaries would rewrite historical eligibility; inventing a new route key would introduce a new identity model that the ADR does not define.
This therefore requires an explicit bounded ADR-0012 architecture correction defining repeated activation semantics (for example append-only activation epochs under the stable logical route identity, or another explicitly selected equivalent) and the corresponding uniqueness/backfill/retirement/test semantics.
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THOTH-ASYNC-01-ADR-01
Programme: #957
THOTH-ASYNC-01Owning task: #958
THOTH-ASYNC-01-ADR-01Risk: CRITICAL
Exact identity
CTO-approved architecture content head:
Final reviewed approval-state head:
Final independent CRITICAL review:
ADR-0012 is
APPROVED, but it is not repository-authoritative until this exact approved content is merged intodevelop.Cumulative PR footprint
Exactly six paths:
The ADR-0008 and ADR-0010 changes are limited to the separately authorized durable partial-supersession metadata reconciliation already defined by approved ADR-0012. All unaffected machine-role, least-privilege,
SUPERUSER, Staff Operations,ServiceOperation, desired/execution/observed-state, attention/reconciliation and staff-command controls remain binding.Scope and effects
This PR contains architecture and engineering-control documentation only.
It includes no:
Opening this PR may trigger the repository's normal automatic PR CI/checks. No manual CI dispatch or rerun is authorized.
Remaining gates
This draft PR does not authorize merge.
Before merge:
bd5223deee44b465dd860ff96b75d81ad41cbf2d;Any source commit invalidates the existing independent approval.
Tracks #957 and #958.