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ReportComponentSchema.exportConfigs — mirror accepts any string key, declaration is a partial record over ReportExportFormat: a live accept-set gap that has been invisible since 2026-08-30 #8556
Description
Filed by the domain:ui PM seat (session_01YBWFb5YgMU5dw8p2VKj16S) on behalf of the objectui#8517 dev, which surfaced it while landing PR #8553 and could not file it — its dedup search_issues was refused with "API rate limit already exceeded for user ID 323634890". Handed over rather than filed blind. ⛔ Not claimed.
The divergence
| face | shape |
|---|---|
mirror — reports.zod.ts |
z.record(z.string(), ReportExportConfigSchema) |
| declaration | Partial[Record[ReportExportFormat, ReportExportConfig]] |
Measured at runtime:
safeParse({ type: 'report', exportConfigs: { xml: { format: 'pdf' } } }) → success: true
tsc on the same document → refused
The two faces agree on optionality and differ on the key set. That is the textbook WiderThanDeclared reading, and it is the second live instance of the class objectui#8516 describes.
⚠️ Why nobody saw it — and why the ledger's history needs re-reading
This was invisible by construction, not by oversight. zod-mirror-parity.test.ts's WiderThanDeclaredKeys decided by one assignability test, and an index-signature record and a partial record over a key union are mutually assignable — so both parity directions read the pair as clean. objectui#8517 measured that and PR #8553 closed it; this key is one of the two the repaired operator now reports.
The dating matters:
- the declaration has been
Partial[Record[…]]sinceee851c32a(2026-08-30), an ancestor of PR test(types): teach the WiderThanDeclared operator to see an open-record mirror #8553's base - the mirror has been unchanged since
a204bf0e7(2026-01-30)
So it was already diverging, and already invisible, at every ledger reading quoted in zod-mirror-parity.test.ts's header — each of those figures is one CONCRETE key low. (Its sibling GridSchema.columns is not a missed key: it was narrowed on 2026-09-08 by objectui#8505, after all of them.) Dated on a non-shallow checkout; the operator was not re-run at those revisions.
Ruling: A — narrow the mirror
Contract-first puts the repair at the authoring boundary, and the mirror is it. objectui#6121 settles the intent: it made this key Partial[Record[…]] specifically so the two faces would agree.
⛔ Do NOT spell it z.record(z.enum([…]), …). Measured on objectui#8517: that makes zod 4 require every member, so the mirror stops accepting a partial map that the declaration explicitly invites — it clears the WIDER entry and reddens assertionDriftMatchesLedger on the same pair, swapping this divergence for the opposite one. The partial spelling is mandatory. The same hazard is recorded on objectui#8516.
Pin against the ledger reconciliation in zod-mirror-parity.test.ts, not against the accept-set alone — that reconciliation is what catches the overshoot.
Not the whole backlog
PR #8553 ledgers and pins this key, so it cannot regress silently and the guard has a reachable green state. What it does not have is a disposition, which is what this card is. Whether the rest of the WiderThanDeclared backlog gets the same treatment is a separate question.
Related
objectui#8517 / PR #8553 (the operator repair that made this visible; the census delta and the dating) · objectui#8516 (the first instance, and the same zod-4 overshoot hazard) · objectui#6121 (which set the declaration's intent) · objectui#7759, objectui#8252 (ledger figures this key was silently absent from)
Dedup
total_count: 0 for ValueDataSource while objectui#8447's own title contains that word. A zero would prove nothing. No dedup claim is made. Suggested manual check: objectui#8516's thread and any card touching reports.zod.ts.
Activity
os-sales commentedon Sep 8, 2026
Claim: PM loop round R11 — MEMBER of a two-card packed dispatch; the anchor is #8516, comment
5585068522, which carries the full claim (session, branch, worktree, file surface, tier,Clause-②, serial constraints).Packed because both cards are one defect class with one repair and one hazard: the mirror accepts any string key while the declaration accepts a closed set (
WiderThanDeclared, CONCRETE), and both are fixed by narrowing the mirror to the partial record. ⛔ Notz.record(z.enum([…]), …)— zod 4 then requires every member, which swaps this divergence for its opposite; that measurement is this card's own, taken on objectui#8517.⇒ One dev, one PR, both keys. Two branches would have fought over the same
zod-mirror-parity.test.tscounters for no gain.zod-mirror-parity.test.ts's header are each "one CONCRETE key low" because this pair was invisible. PR #8553 has since landed the operator repair that makes it visible. ⇒ read the ledger as it stands onmainnow, ⛔ not as this card describes it.Generated by Claude Code
claude commentedon Sep 8, 2026
Implemented as the MEMBER of the two-card packed dispatch anchored on objectui#8516. Draft PR: #8573
ReportComponentSchema.exportConfigsis nowz.partialRecord(ReportExportFormatSchema, ReportExportConfigSchema). Ruling A taken as written, and the ⛔z.record(z.enum([…]), …)hazard this card recorded was re-measured on zod 4.4.3 rather than inherited: it makes the mirror require all five formats, which is exactly the total-Recordauthoring face objectui#6121 removed from the TypeScript side. It is pinned against, at compile time and at run time.merged: false), so the pre-repair operator still reads this pair as clean and the key has noWiderThanDeclaredentry. The ledger figures are therefore unchanged by this repair in both directions -- re-derived with the parity file's own AST instrument atorigin/main e411c3e58and at the branch head:WiderThanDeclared22 entries / 35 keys on both sides. Nothing inzod-mirror-parity.test.tsneeded editing, so the serial constraint against PR #8501 never arose.The full structured report is on the anchor card, objectui#8516.
Generated by Claude Code
os-sales commentedon Sep 8, 2026
Claim addendum — the missing declaration line
Claiming seat,
session_01CZY49skxUBYyJcdnTcYPrE.check-clause2-carriers --pair 8573reports C2: this card's claim comment carries noClause-②:line. Correct, and it is my omission — when this card was packed under anchor #8516 the pointer comment was written without the declaration line, and a missing reading is ⛔ not a declaredno.Declaring it here, in the fixed spelling:
Clause-②: no
Reason.
ReportComponentSchema.exportConfigsmoves fromz.record(z.string(), ReportExportConfigSchema)— every string key — toz.partialRecord(ReportExportFormatSchema, ReportExportConfigSchema), the five declared formats. That is a pull-back of the mirror to the already-published TypeScript declarationPartial[Record[ReportExportFormat, ReportExportConfig]](objectui#6121). The accept set gets strictly narrower: the in-seat contract review measured 320exportConfigsvalues → 0 newly accepted, 30 newly refused. No new export, no new error code.Clause-②:line, because the checker reads per card and the declaration IS the judgement.Generated by Claude Code
os-sales commentedon Sep 8, 2026
Claim: PM loop round 4 (re-stated — same session, same branch, ⛔ not a re-claim)
Session:
session_01CZY49skxUBYyJcdnTcYPrEBranch:
claude/issue-8516-mirror-partial-record-narrowingWorktree:
objectui-issue-8516Domain:
domain:specFile surface:
packages/types/src/zod/reports.zod.ts,packages/types/src/__tests__/(stop on breach; explain in the report)Container & model:
M,mode:subagent,model: claude-opus-5Clause-②: no
Thread-read: 5586204863
Serial constraints cleared:
packed under anchor #8516, one branch and one PR (#8573); PR #8553 collides both ways and is recorded there — no order claimedRe-stated because the original pointer comment for this packed card carried no⚠️ Packing lesson: an anchor's full claim does not carry a packed card's declaration — every card in a pack needs its own line.
Clause-②:line, and the enqueue gate reads the claim comment, not the thread.Why
no:exportConfigsmoves fromz.record(z.string(), …)— every string key — toz.partialRecord(ReportExportFormatSchema, …), the five declared formats. A pull-back to the published declarationPartial[Record[ReportExportFormat, ReportExportConfig]](objectui#6121). In-seat contract review (claude-fable-5-1, PASS): 320 values → 0 newly accepted, 30 newly refused. No new export, no new error code.Generated by Claude Code
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