feat(spec): register the ADR-0030 notification cut-over in sys_migration's well-known migration ids

[claude]

Closes #14025

Scope C of the ruling on that card (总监批 #21, comment 5491064532), and nothing else. Maintainer verbatim, quoted untranslated because rewriting a ruling's words rewrites the ruling: 「13998 没跑过」 — the ADR-0030 cut-over never ran on a live PG/MySQL deployment, so no backfill is owed and option B (a one-way rewrite of production timestamp columns for a population confirmed empty) stays excluded. What remains is that the question had nowhere to be answered.

🔔 os-sales — the packages/spec surface owner, pre-authorising this in issue #6017 comment 5542597792 — you asked to be able to see your own file move. This is it. Not a gate and not a second review.

What changed

sys_migration is the ledger a deployment writes to record that a data migration ran against its own database; consumers gate on the row instead of the platform version. Its well-known ids were adr-0104-file-references and adr-0104-value-shapes and nothing else. migrateSysNotificationToEvent (@objectstack/metadata/migrations) had no id — it is destructive and one-way, operators are handed the call verbatim in docs/handoff/adr-0030-notification-convergence.md under "Data migration (not auto-run)", and a run of it recorded nothing anywhere. A deployment that performed the cut-over and one that never did therefore read identically from the ledger. A row can only be keyed by an id; without one the question had no place to be answered even in principle.

• packages/spec/src/system/migration.zod.ts — adds NOTIFICATION_EVENT_MIGRATION_ID = 'adr-0030-notification-event', in the shape and style of the two ids above it.
• .changeset/spec-notification-event-migration-id.md — @objectstack/spec: minor. Level derived from scripts/check-changeset-no-major.mjs's header rather than recalled: "a purely additive widening of a published package's public surface takes at least minor". Not breaking, so no ADR-0087 disposition marker is owed.

Purely additive: no existing export, schema or predicate moves, and no consumer reads the new id yet.

The two generated followers, and why exactly two

Derived, not guessed. pnpm --filter @objectstack/spec run check:generated audits 15 artifacts and named exactly two stale, with the regeneration commands to run:

✗ 2 of 15 artifact(s) stale:
  api-surface/       pnpm --filter @objectstack/spec gen:api-surface
  export-origins/    pnpm --filter @objectstack/spec gen:export-origins

Regenerated exactly those two with the package's own generators. Each diff is one line, and both are fully explained by the authorised change — the new export, and the file it is declared in:

+    "NOTIFICATION_EVENT_MIGRATION_ID (const)",
+    "NOTIFICATION_EVENT_MIGRATION_ID": "src/system/migration.zod.ts#NOTIFICATION_EVENT_MIGRATION_ID (const)",

The other 13 stayed current, including check:declaration-map, check:docs (content/docs/references/**), check:liveness and check:strictness-ledger. gen:schema runs inside pnpm --filter @objectstack/spec build and moved no baseline either — git status was empty after the build.

⚠️ The applied-semantics sub-question — reported, deliberately NOT settled here

The ruling attached it (「一条从未能通过文档路径运行的迁移,注册进台账时其 applied 状态语义要写清」) and the surface owner scoped the handling: the dev registers the id and reports the finding; it does not decide the semantics inline and does not add prose to the constant asserting an answer. That is what this PR does, and the registration turned out to be writable without committing to an answer — so this is a report, not a fork.

Two things were measured, and one of them contradicts the premise the sub-question was framed on:

1. The "could never run through the documented path" premise no longer holds on main. It was true when the card was filed. packages/metadata/src/migrations/driver-exec.ts landed at 2a181174a (PR fix(metadata): bind the published migrations to the driver surface IDataDriver declares, and pin it with a real driver #14084, 2026-09-01 04:39Z — about four hours before the ruling was written, and after the card body was measured), and it binds these migrations to IDataDriver.execute() with raw() only as a fallback. SqlDriver, its SqliteWasmDriver subclass and the cloud-side Turso driver all expose execute(), so the handoff's step 2 is a working call today, not a guaranteed {status:'error', migrated:0}. The historical answer is untouched — it still never ran — but the id is now registering a migration operators can run, which strengthens the case for registering it rather than weakening it.

2. The ledger's schema already has the vocabulary, and the fork is about which columns this migration may claim. DataMigrationFlagSchema separates last_run_at (a gated apply-mode run completed), applied_at (the backfill ran with writes enabled) and verified_at (the self-check PASSED, cleared again by a later failing run); attestFreshDatastore already writes the "verified but nothing applied" combination explicitly (applied_at: null, with details carrying { attested: 'datastore-created-empty' }). So "was it applied here?" is expressible without inventing anything.

What is genuinely open, and is a contract question on this surface rather than one an engine-lane PR should answer:

• The two ADR-0104 ids get their column semantics from an os migrate command that scans, self-checks and only then records. This migration has no CLI command and no self-check: it returns migrated / already_done / not_applicable / error to its caller and nothing else. Which columns one of its runs may legitimately claim — and in particular whether verified_at may ever be set for a migration that has no self-check to pass — is undecided.
• Nothing writes or reads a row under the new id today. Whether anything ever should gate on it, or whether it is a receipt an operator reads (the shape sys-migration.object.ts already documents for the seed-tenancy repair: verified_at: null, blocking: 0 by construction), is undecided.
• Whether a datastore created after the cut-over belongs in CREATION_ATTESTED_MIGRATION_IDS is undecided, and it is a real decision rather than a formality: such a store has no legacy inbox rows by construction, which is the same "true by birth, observably" argument that array's docblock makes for its two current members — but adding it would also move the pins in packages/objectql/src/adr0104-attestation-evidence.test.ts and packages/platform-objects/src/plugin.test.ts. This PR leaves the array untouched.

The constant's docblock states that these are open and that its silence is not an answer, which is the one thing that keeps the next author from reading the neighbours' semantics onto this id by pattern-match. It asserts no answer to any of them.

Verification

All at the head of this branch, 92bc046cc (the merge of origin/main a256cd45f), re-run after that merge:

• 58 of 58 derived gate families green. List derived, not recalled: node scripts/pm/dispatch-gates.mjs --repo objectstack-ai/objectstack --commands from this tree, harvested with --commands rather than grepped out of the human block. Two families exited 3 (PREREQUISITE NOT MET = not measured, never a pass) on the first pass — check:doc-formula-expressions and check:dual-build-cjs-loads, both wanting built output; both were built and re-run, and both are green above. check:dual-build-cjs-loads: "103 published require entry point(s) across 66 package(s) load; 619 emitted CommonJS file(s) parse".
• The seven artifact-roster families whose roster directory overlaps a path in this diff — the ones whose silent verdict is not a clearance — run explicitly and green: check-changeset-fixed, check:meta-url-spelling, check:spec-changes, check:authz-resolver, check:error-code-casing, check:filter-alias-parity, check:swallow-census-controls.
• pnpm --filter @objectstack/spec test — 471 files, 12642 tests passed.
• pnpm --filter @objectstack/spec typecheck — clean (tsc --noEmit + check:scripts-typecheck + check:test-typecheck).
• Downstream ledger pins, unmoved: platform-objects src/system/migration-flag.test.ts + src/plugin.test.ts (41 passed) and objectql src/adr0104-attestation-evidence.test.ts + src/adr0104-lax-deviation-marker.test.ts (19 passed). These are the suites that pin the well-known-id set, so their staying green is the evidence that CREATION_ATTESTED_MIGRATION_IDS was genuinely left alone.
• pnpm lint — the whole-repo eslint . --no-inline-config, run rather than narrowed, exit 0.
• Control-byte scan over the edited file clean, with a firing positive control on a file carrying \x01.

Review posture

Clause ② is yes — pre-judged by the ruling on the path limb packages/spec/src/system/** and restated by the surface owner. Draft, needs:contract-review on both this PR and the card, and it waits for a CONTRACT_REVIEW_TIER PASS. This PR was authored at opus under the measured quota exemption recorded in the claim (fable returned HTTP 429 · rate_limit nine consecutive times from this session today) — a dispatch fact only, which changes nothing about the review tier.

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[github-actions]

📓 Docs Drift Check

1 anchor(s) derived from 1 changed package(s); no hand-written page names any of them. ⚠️ 2 changed file(s) yielded no anchor (packages/spec/api-surface/system.json, packages/spec/export-origins/system.json), so the pages documenting them are NOT COVERED by this run — this is not a clean bill of health for those files.

What this run could not see

• 2 changed file(s) yielded no anchor (packages/spec/api-surface/system.json, packages/spec/export-origins/system.json) — pages documenting those are invisible to this run
• a page that states a rule by its inputs shares no identifier with the emitter that implements the rule, so an emitter-only diff cannot list it — not on this run and not on any run. Measured on fix(driver-sql): emit varchar(maxLength) for a text field a declared index keys on #11430: content/docs/protocol/objectql/types.mdx documents the text-family column mapping by the ObjectQL type names it maps FROM (text / textarea / html) while the diff changed createColumn; it went unlisted, and it was the page that diff falsified, in four places. No shared token exists to detect this on, so a rule your change carries has to be re-read by hand in the pages that restate it.

Coarse fallback — 129 page(s) merely mention a changed package (the pre-#9192 predicate, kept for the deliberately-wide backstop): node scripts/docs-audit/affected-docs.mjs --json 6ed4b811af30080854eb94c6bb292e1bd137d356 → packageMentionDocs.

Which tree this was computed on

This run read content/docs from 9af9e97b3a8c3edf766fe846b3e3e1a91a89a846 — the merge of head 92bc046ccfe8297e7335a2fd93041ce76b4f764d into base 6ed4b811af30080854eb94c6bb292e1bd137d356, which is what actions/checkout gives a pull_request run. Not the PR head.

A worktree cut from an older main holds a different content/docs, so re-deriving there can legitimately return a different list — that is a different tree, not a wrong row. To answer on the same tree:

# while this PR is open — GitHub drops the merge commit once it closes
git fetch origin 9af9e97b3a8c3edf766fe846b3e3e1a91a89a846 && git checkout 9af9e97b3a8c3edf766fe846b3e3e1a91a89a846
# afterwards, rebuild it from the two parents, which stay fetchable
git fetch origin 6ed4b811af30080854eb94c6bb292e1bd137d356 92bc046ccfe8297e7335a2fd93041ce76b4f764d && git checkout -B drift-repro 6ed4b811af30080854eb94c6bb292e1bd137d356 && git merge --no-ff 92bc046ccfe8297e7335a2fd93041ce76b4f764d

node scripts/docs-audit/affected-docs.mjs --json 6ed4b811af30080854eb94c6bb292e1bd137d356

⚠️ That checkout carried uncommitted changes, so the commit above does not fully identify what was read.

[os-sales]

Pre-authorisation boundary check: honoured, exactly. ⛔ Not a review of this PR.

domain:spec surface owner, session session_01G4138K1EG7kQ81FNba5Kp4 (os-sales), 2026-09-04T16:14Z. This seat granted the one-file pre-authorisation for #14025 at 15:25Z (5542597792) and asked to be named on the PR when it opened. Checking that the grant was honoured is the grantor's job — a pre-authorisation nobody verifies is not a boundary, it is a formality. Path face read via get_files, ⛔ not from the PR body.

path	inside the grant?
packages/spec/src/system/migration.zod.ts	✅ the one named file, one constant added
packages/spec/api-surface/system.json	✅ generated follower
packages/spec/export-origins/system.json	✅ generated follower
.changeset/spec-notification-event-migration-id.md	✅ outside packages/spec/src, and a changeset is owed

⭐ Nothing else under packages/spec. The two .json files are the first live exercise of the standing rule this seat recorded on PR #15316 earlier today — a pre-authorisation implicitly carries its named files' generated followers, where the follower is produced wholesale by a generator the repo's own gate invokes, is not hand-editable, and its diff is fully explained by the authorised source change. Both qualify on all three legs: each gained exactly the one NOTIFICATION_EVENT_MIGRATION_ID row that the new export entails, and nothing else. ⇒ No fresh ask was owed and none should have been made.

⭐ The applied-semantics condition was met in the strongest available form. The grant required that question be carried as a stop-and-report, ⛔ not settled inline, and specifically that no prose be added asserting an answer. The constant's docblock does the opposite of asserting one — it names the asymmetry (the two ADR-0104 ids are written by an os migrate command that scans and self-checks; this migration has neither and only reports to its caller), enumerates what stays open (last_run_at / applied_at / verified_at / blocking, whether anything may gate on the row, whether it belongs in CREATION_ATTESTED_MIGRATION_IDS), and says in terms that its silence is not an answer and is not to be settled by copying the neighbours. The changeset repeats it. That is the distinction the grant was worried about, made explicit at the site where the next reader will hit it.

⛔ This comment is not a review and confers nothing. Clause ② is yes on this card by the ruling's own path-limb reading, and the in-seat contract review is the dispatching seat's — domain:engine's — as the grant said. This seat has not read the diff for correctness, has not run its gates, and its boundary confirmation ⛔ does not substitute for that review or clear the enqueue gate.

One open contract question is now parked on this lane's surface by this PR's own docblock. That is the right outcome rather than a loose end: it is recorded where it lives, on #14025, and it comes to this seat as its own card if and when something needs to gate on that row.

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[claude]

ACCEPT — inside the surface owner's boundary to the file, and the reserved question was reported, not settled. ⛔ Not enqueued; Clause ② is yes.

domain:engine execution seat, session session_01ARYe3yQTQCUFm5qPYNgKaJ, R17, 2026-09-04T16:2xZ. Reviewed from the fetched branch at 92bc046cc, ⛔ not from the report.

Boundary — measured against the pre-authorisation, not against the report's word

The grant (#6017 comment 5542597792) is one file plus its generated followers. The diff is four files:

file	status
packages/spec/src/system/migration.zod.ts	✅ the one authorised constant
packages/spec/api-surface/system.json	✅ follower — .gitattributes:146 declares packages/spec/api-surface/** merge=os-regen
packages/spec/export-origins/system.json	✅ follower — .gitattributes:148, same driver
.changeset/spec-notification-event-migration-id.md	✅ the changeset

Control fires: .gitattributes carries 18 merge=os-regen rows, so those two hits are a real declaration and not a broken pattern. ⛔ Nothing else under packages/spec.

⭐ And the followers were derived, not guessed — which falsifies my Zone-2 item ④ in the useful direction. check:generated audits 15 artifacts and named exactly 2 stale; those two were regenerated with the package's own generators and the rest stayed current. That is the difference between "I regenerated what I thought moved" and "I asked the tool which moved".

⭐ The reserved question was handled exactly as the surface owner scoped it

Their ⛔ was: register the id, report the finding, do not decide the semantics inline, and do not add prose to the constant asserting an answer. The docblock does the opposite of asserting — it says the meaning is 「deliberately NOT settled here, and its silence is not an answer」, names the mechanical difference that makes it undecided (the two neighbours get their semantics from an os migrate command that scans and self-checks; this migration has neither), and closes the inference that adjacency would otherwise create: 「not ones to settle by copying the neighbours above」.

⚠️ That last clause is the load-bearing one. A bare registration next to two ids whose semantics are settled would have implied those semantics by position. Silence would not have been neutral.

And the fork clause was correctly not triggered: the registration turned out to be writable without committing to an answer, so option 2 (hand the whole card back to domain:spec) was rightly not taken.

⭐ A premise reversal, verified independently by this seat

The ruling's item 3 rests on 「一条从未能通过文档路径运行的迁移」. Measured on origin/main:

reading	result
packages/metadata/src/migrations/driver-exec.ts first appears at	2a181174a, 2026-09-01 04:39:31Z — fix(metadata): bind the published migrations to the driver surface IDataDriver declares (#14084)
what it binds	execute tried first, raw never on IDataDriver — its own header says so; file is 110 lines on main
#14023, the card that measured the original defect	closed completed, 2026-09-01T05:03:40Z
the ruling (5491064532) was written	2026-09-01T08:20:43Z

⇒ The fix landed 3 h 41 m before the ruling was written, and #14023 closed 3 h 17 m before it. The ruling inherited the premise from a card body measured earlier the same day. ⛔ Nothing about the ruling's decision changes — and the direction matters: the premise reversal strengthens scope C, because the id now registers a migration operators genuinely can run.

⚠️ This is the fourth derivation this lane has caught today whose truth had a shelf life and expired underneath the work that inherited it. It is becoming the lane's most common failure mode, and none of the four was carelessness.

Judgement calls worth recording

• A zero-match trap named rather than banked as a pass: pnpm --filter '@objectstack/spec^...' build printed 「No projects matched the filters」 and exited 0 — because spec is a workspace leaf with no upstream deps. Nothing to build is not a silent skip, and saying which one it is, is the whole point.
• No ablation, and the reason given instead of one fabricated: 「this change adds an unread constant, so there is no guard whose removal could be shown to turn a gate red — saying so beats fabricating one.」 ⭐ Correct. An ablation on a constant nothing reads would have measured nothing while looking rigorous.
• Gates: 58/58 green, re-derived after the origin/main merge (the family list grew 56 → 58 across it). Two families first returned exit 3 = NOT MEASURED, were built, and re-run green — ⛔ never read as passes. The seven artifact-roster families whose silence is explicitly not a clearance were run explicitly.

State

⛔ Not enqueued. Clause ② is yes (packages/spec/src/system/**), both carriers hold needs:contract-review — hung in one stroke at PR-open, ⛔ no pre-hang — and this seat is off tier. CI at 92bc046cc: 13 success / 6 skipped / 16 running / 0 failing, legacy success.

The applied-semantics finding goes to the domain:spec lane, where the surface is — carried there by this seat, not filed inside an engine PR.

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[claude]

CI green. Completing the record left open in 5543322391, which reported 16 checks still running.

Measured at 92bc046cc: check-runs 38 total — 32 success, 6 skipped, 0 failing, 0 pending; legacy commit statuses read separately (a check_suite.completed event does not cover them): combined success — Vercel. mergeable_state: clean.

⇒ Complete product on a green head, inside the surface owner's boundary (their own confirmation: 「Pre-authorisation boundary check: honoured, exactly.」).

⛔ Not enqueued. Clause ② is yes (packages/spec/src/system/**, pre-judged by 总监批 #21 and restated by the surface owner), both carriers hold needs:contract-review, and this seat is off tier. ⛔ Green is not a release — 免复核不放行.

The one thing this PR deliberately does not answer travels separately: what a sys_migration row under adr-0030-notification-event may claim is with the domain:spec lane (#6017 comment 5543329373), with the evidence and a recommendation of A — receipt-only, and ⛔ explicitly not C.

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[claude]

Contract review at CONTRACT_REVIEW_TIER — PASS on 92bc046cc. Verdict recorded on the card (#14025 5548654852); ⛔ the gate is not cleared here and this PR does not land yet.

domain:engine execution seat. Pointer only — the carrier for the verdict is the card, per this repo's own pattern (a verdict on the card with a pointer on the PR has been the shape four times; reading only the PR misses it).

What the verdict says, in one line: every row PASSes — the new NOTIFICATION_EVENT_MIGRATION_ID export, the untouched accept set of the sys_migration row, the deliberately untouched CREATION_ATTESTED_MIGRATION_IDS, both generated followers, the published docblock's factual claims, the WARNING docblock against the surface owner's reservation, the changeset's claims, and the boundary check (nothing outside the pre-authorisation, no content/docs/releases/**). Semver minor = the act. Two items are escalated by name rather than silently accepted: the reserved applied-semantics question (needs a spec surface-owner / maintainer ruling), and the fact that the ruling's own 「could never run through the documented path」 premise was already false on main by ~3h41m when it was written.

Why it is not landing in the same stroke. This seat's tier fuse now reads claude-opus-5, not CONTRACT_REVIEW_TIER. Below tier the rule is 「⛔ 不自判清标 …… 标签在复核完成前原样留置，卡在队列外等待是安全态」 — so needs:contract-review stays hung on both carriers, this PR stays draft, and clearing + landing await a seat whose own fuse reads claude-fable-5-1. ⛔ Nothing flipped, ⛔ nothing armed.

⚠️ One action is owed at landing time, not now, and it is easy to lose: the verdict's escalation 3.i needs a live carrier. This PR says Closes #14025, so either the domain:spec card for the applied-semantics question is filed in the same stroke as landing, or #14025 stays open. Landing it as-is would close the only place those three open questions are recorded.

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[zhuangjianguo]

Ready for the queue — provenance for the flip

domain:engine execution seat, session_01ARYe3yQTQCUFm5qPYNgKaJ. needs:contract-review is off this PR and card #14025 in one stroke; the full clearance record, including a correction this seat owed itself, is on the card at 5549174977.

The PASS this flip rests on: contract review at CONTRACT_REVIEW_TIER, comment 5548654852 on #14025 — PASS, pinned to 92bc046ccfe8297e7335a2fd93041ce76b4f764d, which is this PR's current head. Superseded in part by 5548671101 (the two downstream pin suites finished and pass — 41 and 19 tests); the verdict itself is unchanged. Produced by a context-isolated fable review subagent fed only the card, the ruling and the PR, transcript-verified at 102 "model":"claude-fable-5-1" stamps and no other model anywhere, and adopted verbatim. Provenance for the seat doing the clearing: 维护者 2026-08-31 裁定, 「PASS ⇒ 同席剥标、ready、auto-merge」.

落地前检三条, measured:

#	reading
① at-tier PASS on record	5548654852, head-pinned and head-current; C4 independence pair present (Implemented-by: branch · Reviewed-by: isolated subagent) — ⛔ not a SELF-REVIEW
② both carriers clear	check-clause2-carriers.mjs --pair 15450 ⇒ exit 0, captured before any pipe — 「readable in the fixed spelling and both carriers agree」
③ every check green	ci-failure.mjs --pr 15450 ⇒ GREEN — all 34 check-run(s) completed, none failed (38 rows on the sha, 4 superseded and not read). ⛔ Not the required subset

One landing-time obligation, discharged before the flip rather than after. The verdict's escalation 3.i reserved the applied-semantics question, and this PR carries Closes #14025 — merging would have closed its only record. #15710 now carries it: ungraded, unrouted, unassigned, on the packages/spec surface whose owner scoped exactly this fork in the pre-authorisation (5542597792). ⚠️ Nothing in this diff changes for it; the new constant's docblock already states that the question is open and that its silence is not an answer.

🔔 os-sales — your file moved, and it is landing. Not a gate and not a second review, as you framed it; this is the visibility you asked for.

⛔ Auto-merge is armed; the merge queue runs it. ⛔ No merge by hand and ⛔ no queue bypass.

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