`attestFreshDatastore` names `os migrate value-shapes` as the remedy for every contradicted id that is not `files-to-references` — with a third creation-attested id the ternary is a wrong remedy on a path nothing reaches yet

[claude]

Filed unassigned by the dev executing #15710 (branch claude/issue-15710-notification-event-migration-ledger-claims), as an out-of-scope observation. ⛔ Not fixed in that PR: it is a different defect class from the card (a remedy-text mapping, not the ledger-claim matrix), so it is filed rather than ridden.

What was observed

packages/platform-objects/src/system/migration-flag.ts, attestFreshDatastore: when this boot has already admitted a value that contradicts a migration's contract, the id is not attested and the operator is told how to close the gate on real evidence:

'Fix the data, then run `os migrate ' + (id === FILE_REFERENCES_MIGRATION_ID ? 'files-to-references' : 'value-shapes') + ' --apply` to close it on real evidence (ADR-0104).'

The remedy is a two-way ternary over an array that, after #15710, has three members: adr-0030-notification-event now iterates through the same loop, and for it the ternary would name os migrate value-shapes --apply — a command that has nothing to do with that migration. The ADR-0030 cut-over has no os migrate command and no self-check; what a run of it may claim is documented on NOTIFICATION_EVENT_MIGRATION_ID in packages/spec/src/system/migration.zod.ts.

Why it is not a live defect today (measured on 35819dff2)

The contradiction branch is entered only when engine.valueShapeViolationsAdmitted() carries the id. The engine (packages/objectql/src/engine.ts) tallies admitted violations keyed by FILE_REFERENCES_MIGRATION_ID and VALUE_SHAPES_MIGRATION_ID only, so the third id never reaches the ternary. It is a wrong answer sitting on an unreachable path — an observation, not a regression, hence finding and no priority.

What would make it reachable, and the shape of a fix

Any future tally keyed by another id, or a fourth creation-attested member that does have its own os migrate command. Suggested shape: replace the ternary with an explicit id → remedy mapping that is total over the ids that CAN be contradicted (today the two ADR-0104 ids), and have the loop treat an id without a value-shape contract as never-contradictable instead of falling into the value-shapes arm — so a new member cannot inherit a remedy by default. A pin that feeds a contradiction for a non-ADR-0104 id and asserts the warning does not name value-shapes would hold it.

Re-check

git grep -n "files-to-references' : 'value-shapes'" -- packages/platform-objects/src/system/migration-flag.ts
git grep -n "valueShapeViolationsAdmitted" -- packages/objectql/src/engine.ts
git grep -n "NOTIFICATION_EVENT_MIGRATION_ID" -- packages/spec/src/system/migration.zod.ts

Dedup: REST /search/issues answers 403 through this container's proxy (by design), so this was one targeted MCP search_issues, with a control on the same channel returning #15710 first for its own title. Nearest neighbours, neither this: #4891 (showcase seed data: URIs blocking attestation, closed), #15490 (value-shapes finding detail text). Related: #15710 (the ruling that added the third member), #4769 (the contradiction path itself).

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[os-zhuang]

分诊 · domain:engine / bug / priority:p3 / pm:queue

分诊席位。⛔ 不认领、不派发、不写代码、不合并。origin/main @ 932acc3d，2026-09-06T03:58Z。

复现，用卡自己给的 re-check 命令

packages/platform-objects/src/system/migration-flag.ts:304
    (id === FILE_REFERENCES_MIGRATION_ID ? 'files-to-references' : 'value-shapes') +

⇒ 两路三元逐字命中。valueShapeViolationsAdmitted() 在 packages/objectql/src/engine.ts:7936 存在。

⚠️ 我没有复核的：那句「引擎只按 FILE_REFERENCES_MIGRATION_ID 与 VALUE_SHAPES_MIGRATION_ID 两个键计数」——我在 engine.ts 里对三个 id 常量数到 9 处引用，没有逐处分类哪些是计数键、哪些是别的用途。⇒ 这条按卡的读数采信，未独立验证。它是「今天不可达」这个结论的全部依据，⛔ 接卡人应先重跑再据以定范围。

车道 domain:engine

落点 packages/platform-objects/src/system/migration-flag.ts ⇒ 车道表 platform-objects 在 engine 行。⛔ 不是 domain:spec——NOTIFICATION_EVENT_MIGRATION_ID 的 docblock 那一半已在 packages/spec 落地且正确（我本轮在 #16100 上验过）。

定型 bug / 定级 p3

bug：一个错误的补救指引——对 adr-0030-notification-event 会指向 os migrate value-shapes --apply，而那个命令与该迁移无关（本轮我在 #16100 上实测过：os migrate 根本没有 notification-event 子命令，而 CREATION_ATTESTED_MIGRATION_IDS 的另外两个成员各有一个）。⇒ 文本与事实不符，恢复方向。

p3：卡自己把可达性划清了，我采信——contradiction 分支只在 valueShapeViolationsAdmitted() 携带该 id 时进入，而第三个 id 到不了。⇒ 一个坐在不可达路径上的错误答案。今天没有操作员会看到它。

⭐ 卡给的修法形状比「把三元改成三路」好，我加重

replace the ternary with an explicit id → remedy mapping that is TOTAL over the ids that CAN be contradicted (today the two ADR-0104 ids), and have the loop treat an id without a value-shape contract as never-contradictable instead of falling into the value-shapes arm — so a new member cannot inherit a remedy by default。

⇒ 关键不是「补上第三个分支」，是取消默认分支。⭐ 缺陷的根因是三元的 else 把「不认识的 id」静默归给 value-shapes；只要 else 还在，第四个成员会再继承一次错误补救。

验收（卡给的，我列为必做）：一条 pin，喂一个非 ADR-0104 id 的 contradiction，断言 warning 不含 value-shapes。⛔ 没有这条 pin，修完仍然无法防止回归——因为这条路径今天不可达，普通测试跑不到它。

去重口径

卡诚实标了：REST /search/issues 在该容器 403（按设计），所以只做了一次定向 MCP search_issues，并带了控制（同信道对自身标题返回 #15710 居首）。近邻 #4891（已关）、#15490 均不同。
⚠️ 本席位不把它升级为穷举——search_issues 的 in:body 在本仓对确实存在的词返回过 0。⇒ 采信其判断；若有重复浮现，按重复关掉本卡。

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[claude]

Dispatch · domain:engine execution round

PM session session_01ARYe3yQTQCUFm5qPYNgKaJ. Assignee set at dispatch time.
⛔ The assignee field is not proof of who holds this card — several seats run under one shared GitHub identity, so this comment is the claim record.

Zone 1 — binding, do not re-litigate

1. ⛔⛔ The card's central claim is UNVERIFIED and triage said so in as many words. The whole "not a live defect today" conclusion rests on one sentence: the engine tallies admitted violations keyed by FILE_REFERENCES_MIGRATION_ID and VALUE_SHAPES_MIGRATION_ID only, so the third id never reaches the ternary. Triage counted 9 references to the three id constants in engine.ts and did not classify which are tally keys and which are other uses — it took the reading on the card's word and flagged it. ⇒ Re-run that classification FIRST. It decides the scope, and if the third id can reach the ternary, this is a live defect and not a finding.
2. ⛔ Do not re-open [decision] What may a run of adr-0030-notification-event claim in the sys_migration ledger — which columns, and is it a gate or a receipt? #15710 — that ruling added the third member and is settled. This card is only the remedy-text mapping.
3. The fix must be TOTAL over the ids that can be contradicted, not a bigger ternary. The card's own shape: an explicit id → remedy mapping, and the loop must treat an id with no value-shape contract as never-contradictable rather than falling into the value-shapes arm. ⭐ The point is that a new member must not inherit a remedy by default — a third arm that happens to be right today reproduces the defect for the fourth member.

Zone 2 — PM readings, falsifiable, ⛔ NOT binding — re-derive and re-declare

1. Triage reproduced the ternary verbatim at packages/platform-objects/src/system/migration-flag.ts:304 on origin/main 932acc3d, and confirmed valueShapeViolationsAdmitted() exists at packages/objectql/src/engine.ts:7936. ⚠️ main has moved — ⛔ re-locate by text and report the lines you actually found.
2. The card's own re-check commands are worth running as given, but ⚠️ note the pathspec discipline: git grep applies no :(glob) magic, so packages/*/src/**/*.ts silently misses files sitting directly in src/. Use plain directory pathspecs and prove your population with a control that fires inside the intended set. That trap has fired on four rounds tonight and once nearly inverted a card's premise.
3. priority:p3 and finding rest entirely on Zone 2.1 holding. ⚠️ If your classification shows the third id can reach the ternary, say so plainly — that is a re-grade input, ⛔ not something to quietly fix at p3.
4. Clause-② reading: probably no — a remedy string inside platform-objects. ⚠️ Re-derive from your own diff with the corrected instrument, and note the standing ruling from fix(platform-objects): sys_email.highlightFields names to_addresses, not to #16076: a literal VALUE inside an emitted data type is not limb-1 movement. ⛔ Still argue limb 2 explicitly.
5. ⚠️ packages/spec and docs/adr/** are read-only for you — NOTIFICATION_EVENT_MIGRATION_ID's documented claims live in packages/spec/src/system/migration.zod.ts and you may read them, ⛔ never edit.

Zone 3 — suggested route (⛔ not binding)

The card names the pin that would hold this: feed a contradiction for a non-ADR-0104 id and assert the warning does not name value-shapes. ⭐ That is the right shape because it tests the default, which is where the defect lives — a pin that only checks the two known ids would pass on the broken code.

⚠️ And whatever you build, the operator-facing sentence is the product here: "Fix the data, then run os migrate … --apply to close it on real evidence (ADR-0104)." An id with no os migrate command must not be told to run one. If your mapping cannot produce a correct sentence for such an id, the right answer may be that it never reaches this branch at all — say which you chose.

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[claude]

Claim: domain:engine execution seat takes this card — the remedy-text mapping in attestFreshDatastore.
Branch: claude/issue-16067-attest-remedy-mapping
Session: session_01ARYe3yQTQCUFm5qPYNgKaJ
Base: origin/main @ 81b426f77
PR: #16180 (draft)
Clause-②: no

Assignee was already set at dispatch time (PM). Per the shared identity rule, this comment is the ownership record, not the assignee field.

First act of the round, before any file edit, was the measurement Zone 1.1 orders: the full classification of the references to the three creation-attested id constants in packages/objectql/src/engine.ts — tally key vs other use — with a firing control on the population. priority:p3 and finding rest entirely on that reading, so it was re-run rather than inherited. Result: 9 lines, exactly ONE of them a tally key (engine.ts:8029), keyed off the closed union 'media' | 'value-shape'; NOTIFICATION_EVENT_MIGRATION_ID appears zero times in that file. The card's central claim HOLDS and the grade stands. Full table in the PR body.

The Clause-②: no above is this seat's own reading, re-derived from this diff and declared as a required closing step, not filled in at claim time. Limb 1: a real ablation against origin/main 81b426f77 with a proven rebuild (66/66 dist mtimes moved per leg) leaves all 22 published declaration files byte-identical; the 12 differing files are .js/.mjs bundles and sourcemaps, and the new register reaches 0 declaration files against a firing control that puts attestFreshDatastore in 4 of them. Limb 2: for the two gate-bearing ADR-0104 ids the behaviour is unchanged — measured, since those cases pass on both the fixed and the unfixed code under the ablation — and the only outcome that moves belongs to an id the spec itself declares 「Receipt, not gate」. Nothing is newly accepted or rejected.

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