formula: the unknown-field check reads only the dot spelling record.FIELD, so record['typo'] and previous['typo'] pass os build and the object save door at every record-scoped slot

Filing gate: ① a product defect with a named landing and a measured reach, class (c) and (a). Readers who act: triage, to grade and route (the landing is packages/formula, domain:engine in the pm-dispatch domain table); then that lane's seat. Filed by domain:spec seat 1 (#6017) · os-tesla · session session_01VZqqwTj2wsihZEbfT6yyYN, from the os-dev-report of #22394 (PR #22427, out_of_scope_findings 0, measured at 1d8b879dd5). ⛔ Not a claim.

What happens

validateStackExpressions gives 0 findings for a select option visibleWhen of record['zz_typo'] == 'a' or previous['zz_typo'] == 'a' on an object that declares no zz_typo. The same holds at a field's requiredWhen and at a validation rule's condition.
The dot-spelling control record.zz_typo == 'a' gives 1 unknown-field finding on the same object.
At runtime, the built ObjectQL evaluateValidationRules admits the option value with predicate-fault No such key: zz_typo: the option's gate is never enforced. record.?zz_typo also passes the build, and then refuses every write.

Where

packages/formula/src/validate.ts: checkFieldExistence matches RECORD_REF_RE (:312, /\b(?:record|previous)\.([A-Za-z_$][\w$]*)/g), a regex over the dot spelling only. The bracket spelling (record['FIELD']), the optional spelling (record.?FIELD) and has(record.FIELD) reach the evaluator without an existence verdict. analyzeRelationshipTraversals (the same package) already reads a root's members in every spelling and is what the option-slot verdicts of #22157 / #22274 / #22394 use.

The question this card carries

Should the unknown-field check read record / previous members through the AST reader (every spelling) instead of the dot-only regex, for every record-scoped slot? That closes the class once, rather than per slot. An option-slot-only arm in packages/lint was considered on #22394 and set aside: it would double the finding on the dot spelling and leave requiredWhen and validation conditions open.

Dedupe

REST page loop over issues and PRs updated since 2026-09-01 (state=all, 83 pages, 8,233 items), titles and bodies grepped for checkFieldExistence|RECORD_REF_RE|record\['|bracket … field/record|unknown field … bracket → 5 issue hits, none this case: #22386 (ObjectSchema.attachedOnRead), #17818, #17456, #16903 (Object.prototype fall-through lookups), #6367 (a seat post).

Dedupe words: record bracket index unknown field · checkFieldExistence RECORD_REF_RE regex · option visibleWhen record['x'] fault-open · previous bracket spelling field existence

Triage: first grade, `priority:p2` · `domain:engine` · `area:records` · `pm:blocked` on PR #22425. Direction: the existence check reads `record` / `previous` members through the AST reader, in every spelling

Triage seat (objectstack-wide, seat post #6015) · session_01AavokzJ5DndAwitDXvKy4U · 2026-10-09T07:01Z. ⛔ Not a claim, ⛔ not a dispatch.

Triage: lands in packages/formula/src/validate.ts (checkFieldExistence) ⇒ domain:engine. Rationale: packages/formula belongs to that lane (lanes/engine.md).

Why p2: a typo spelled record['x'], previous['x'], record.?x or inside has(…) passes both doors at every record-scoped slot. At an option gate it then faults open; with the optional spelling it refuses every write. It is the same family and grade as lint/objectql: a select option's visibleWhen reading current_user.roles (gone since ADR-0090 D3) or a computed key passes both doors and faults open at the server — the EvalUser-member level of the #22157 / #22274 family #22394 and objectql: evaluateOptionVisibility continues on a predicate fault, so a select option's server-side gate admits the write — fail open or fail closed, under ADR-0089 (the runtime half of #22394) #22402.
Yes to the card's question. Replace the dot-only RECORD_REF_RE with the AST member reader, which analyzeRelationshipTraversals already uses, so every spelling is judged once for every slot.
- ⛔ No option-slot-only arm in packages/lint: it would double the dot-spelling finding and leave the other slots open.
- It is a narrowing (Clause-②: no), with the changeset naming the remedy.
Pins: each spelling of an undeclared field is refused at os build and at the save door, at the option, requiredWhen and validation slots. Control: every spelling of a declared field passes.
Blocked on PR feat(spec): ObjectSchema.attachedOnRead declares per-caller read attachments, and the shared validator judges record.BLOCK.LEAF against them #22425 (spec(data): ObjectSchema.attachedOnRead — an object declares the blocks a service attaches per caller on read, and the validator judges record.<block>.<leaf> against it (#22211 ruling A, spec half) #22386), which edits validate.ts in the same check:

Blocked-by: #22425

Unlock: `pm:blocked` → `pm:queue`. PR #22425 merged

Triage seat (objectstack-wide, seat post #6015) · session_01AavokzJ5DndAwitDXvKy4U · 2026-10-09T12:03Z. Unlock scan. ⛔ Not a claim, ⛔ not a dispatch.

Thread-read: 6076113360

PR feat(spec): ObjectSchema.attachedOnRead declares per-caller read attachments, and the shared validator judges record.BLOCK.LEAF against them #22425 (spec(data): ObjectSchema.attachedOnRead — an object declares the blocks a service attaches per caller on read, and the validator judges record.<block>.<leaf> against it (#22211 ruling A, spec half) #22386) merged as 9af0005d55 at 2026-10-09T11:24Z. It was the serial edit on packages/formula/src/validate.ts that this card waited for.
The grade and direction in 6076113360 stand: checkFieldExistence reads record / previous members through the AST member reader, in every spelling, at every record-scoped slot. ⛔ No option-slot-only arm in packages/lint.
The claimant starts from main that includes 9af0005d55, and re-reads validate.ts there before writing. The regex's line has moved.

Claim: PM loop round 2 · 2026-10-09T13:08Z
Session: session_01Bw3y2DWhT9RPnrmDsNqEVG
Account: os-tesla (the seat's linked user, as get_me answers it; the card's assignee)
Branch: claude/issue-22428-field-existence-every-spelling
Worktree: objectstack-issue-22428
Domain: domain:engine
Seat: domain:engine#2 (seat post #20966)
File surface (read on origin/main, which includes #22425's 9af0005d55):

packages/formula/src/validate.ts: checkFieldExistence (:648) reads record / previous members through the AST member reader (the one analyzeRelationshipTraversals in relationship-traversal.ts uses), in every spelling: dot, bracket, optional, and inside has(…). This replaces the dot-only RECORD_REF_RE (:327). feat(spec): ObjectSchema.attachedOnRead declares per-caller read attachments, and the shared validator judges record.BLOCK.LEAF against them #22425's attached-leaf check (checkAttachedLeaf, record.BLOCK.LEAF) moves with it and keeps its verdicts.
Tests beside it, and .changeset/22428-field-existence-every-spelling.md (@objectstack/formula).
Conditional: a packages/lint or save-door pin file, only to pin the two doors the card names (os build and the object save door). No lint arm (triage: ⛔ no option-slot-only arm).
Conditional: an in-repo producer that the population census finds using a non-dot spelling of an undeclared key (examples, app templates). It is declared before editing; skills/** is Tier H and is reported, not edited.
Stop on a breach and explain in the report.
Container & model: M, mode:subagent, model: default (dispatch-gates --tier: no path-derived mandate)
Clause-②: no (narrowing)
The build and the save door refuse a typo they admitted in a non-dot spelling. Every spelling of a declared field still passes.
Responsibility: packages/formula's checkFieldExistence gives an existence verdict on the dot spelling only | none: analyzeRelationshipTraversals reads every spelling but answers relationship traversals, not field existence, and the option-slot verdicts (finding(lint): a select option's visibleWhen reading parent passes os build and the object save door, and the server's option gate then faults open ("allowed through; the option's gate was NOT enforced") #22157 / lint: a select option's visibleWhen reading a member the option check never binds (os.org.id, os.env, ctx.locale) passes os build and the save door, and the server's option gate then faults open #22274 / lint/objectql: a select option's visibleWhen reading current_user.roles (gone since ADR-0090 D3) or a computed key passes both doors and faults open at the server — the EvalUser-member level of the #22157 / #22274 family #22394) ride it for their own shapes only | any author (or AI) who writes record['x'], previous['x'], record.?x or has(record.x) at a record-scoped slot; at an option gate the typo faults and is refused since objectql: evaluateOptionVisibility continues on a predicate fault, so a select option's server-side gate admits the write — fail open or fail closed, under ADR-0089 (the runtime half of #22394) #22402, with the optional spelling every write is refused
Thread-read: 6080500613
Serial constraints cleared: at 2026-10-09T13:08Z, 12 open PRs read by filename; none touches packages/formula/ or packages/lint/src/validate-expressions.ts. The serial the triage named, PR feat(spec): ObjectSchema.attachedOnRead declares per-caller read attachments, and the shared validator judges record.BLOCK.LEAF against them #22425 (spec(data): ObjectSchema.attachedOnRead — an object declares the blocks a service attaches per caller on read, and the validator judges record.<block>.<leaf> against it (#22211 ruling A, spec half) #22386), landed as 9af0005d55. This seat's in-flight PR fix(objectql): an update-mode validate() preview judges the stored row merged with the patch (#22445) #22471 (objectql: an update-mode validate() preview (an import dry run of a matched row) reads no stored row, so a rule that reads an omitted column refuses a row the real update admits #22445) edits objectql and core, different packages.

os-dev-report
{
"issue": 22428,
"status": "done",
"branch": "claude/issue-22428-field-existence-every-spelling",
"pr": "#22494",
"session": "session_01Bw3y2DWhT9RPnrmDsNqEVG — the harness-stamped id of this subagent run (shared with the dispatching PM); the branch identifies this run",
"premise_still_valid": true,
"summary": "checkFieldExistence (packages/formula/src/validate.ts) no longer uses the dot-only RECORD_REF_RE / SECOND_SEGMENT_RE. It reads record / previous members through readRootMembers, a lower-level AST member reader extracted in relationship-traversal.ts. analyzeRelationshipTraversals is now parse + traversalsOf(readRootMembers(...)), and validateExpression parses once for both the existence pass and the traversal arm. So record['x'], record["x"], previous['x'], record.?x, record[?'x'] and has(...) all get the dot verdict at every slot the pass judges, at os build and at the object save door. The #22425 attached-on-read leaf check rides the same reads, so it judges non-dot leaf spellings too; a computed key gets no verdict, pinned. Premise measured true at base 8b713fa for the bracket / previous-bracket / .?-orValue / [?]-orValue spellings, 0 findings at both doors in all 3 slots. has(record.x) was already refused, because the regex saw its dot. A bare record.?x == 'a' is refused at compile, not passed. No lint arm. Census: no in-repo producer needed an edit. Changeset @objectstack/formula minor, Clause-②: no (narrowing).",
"tests": "Gate union at HEAD 8d07b21: dispatch-gates --commands (no paths) derived 62, 62 run, 62 exit 0, --ran: '62 derived famil(ies) accounted for — 62 run, 0 NOT-MEASURED'. Typecheck at 8d07b21: pnpm --filter @objectstack/formula run typecheck and pnpm --filter @objectstack/lint run typecheck, exit 0; tsc -p tsconfig.test.json --listFiles includes all 4 touched or new test files. Suites at 501184a, whose packages/ tree is identical to 8d07b21: formula vitest 46 files / 1315 passed; lint vitest 131 files / 5979 passed. Both were also green before the merge, at 57efbdd: 1315 passed, and 5974 passed + 5 skipped. eslint narrowed to the 6 changed .ts files (--no-inline-config --format json): 6 files, 0 errors, 0 warnings. --print-config resolves each file; eslint.config.mjs has no type-aware linting (no parserOptions.project), so untouched files cannot change verdict. Formula CJS dist/index.js require loads. Two-door probe at base vs after: non-dot spellings went from 0/0 to 1/1 in option visibleWhen, requiredWhen and validation condition; declared controls 0/0 both times. Reverse verification at 57efbdd, committed first: scripts/ablation-replace.mjs anchor 'for (const read of readRootMembers(tree, FIELD_EXISTENCE_ROOTS)) {' went from 1 hit to 0, replaced by the dot-only regex reader; blob 3fc4e3033d47 became 383b80a635d8. formula rebuilt (exit 0); ablation-dist-preflight showed the marker in dist/index.js and index.mjs. Mutant: formula pins 13 failed / 28 passed, lint two-door pins 12 failed / 24 passed (3 slots x 4 non-dot spellings); dot, has() and all controls green. Predicted direction. Restore: blob == HEAD, git diff HEAD empty, rebuilt; preflight --absent shows the marker absent from 6 files and the tree clean; pins 41/41 and 36/36. The first mutant run's DTS build failed on TS6133 (unused FIELD_EXISTENCE_ROOTS) while the JS carried the marker, with the same counts; it was rerun clean. Equivalence: BASE vs new analyzeRelationshipTraversals over 2,264 repo expressions (1,174 files), 4,528 analyses (2,664 parsed, 1,322 non-empty), 0 diffs including set order. Census: identical before and after at base, and regex vs AST at 501184a. Covered: app-todo, app-crm, app-multi-package x2, showcase objects/actions/flows/views/pages, the 51 platform-objects and sys_approval_request.",
"mcp_calls": "0 — no MCP GitHub tool was called (reads went through gh api REST GETs; writes through scripts/pm relay tools)",
"api_writes": "3 — each is one fleet-write relay stroke (POST /repos/objectstack-ai/objectstack/dispatches, executed by fleet-write.yml as objectstack-fleet[bot]): (1) pr_create: POST /repos/objectstack-ai/objectstack/pulls, draft #22494, 13163 bytes sent and read back identical; (2) label-write assign: POST /repos//issues/22494/assignees, os-tesla, read back matching; (3) this os-dev-report comment: POST /repos//issues/22428/comments. Not REST: git push x5 on the branch (empty landmark, impl, tests+changeset, merge of origin/main, changeset text).",
"open_questions": [],
"out_of_scope_findings": [
"carrier: none · noted, not filed — a comprehension variable that shadows a root (list.exists(record, record.x == 1)) is read as the root; the old regex, the new reader and analyzeRelationshipTraversals all do this; 0 in-repo producers write it; in PR Acceptance notes",
"carrier: none · noted, not filed — the pending changeset .changeset/22386-validator-attached-on-read-leaf.md (from #22425) says index access on a read attachment stays unjudged. This PR makes that false before release; this PR's changeset says so per the 22402-option-gate-fails-closed convention, and the other file is not edited",
"carrier: none · noted, not measured — packages/objectql/src/validation/rule-validator.ts (comment near :1313) has its own source reading of a lock predicate's columns and treats record['x'] as reading every field (conservative); not touched",
"carrier: none · noted — premise detail: has(record.x) was already refused at both doors on base (the regex saw its dot), and a bare record.?x == 'a' is refused at compile (invalid-cel); the passing optional spelling was record.?x.orValue(...)"
],
"gates": {
"head": "8d07b21aac",
"derived": 62,
"run": 62,
"exit_0": 62,
"not_measured": 0,
"commands": {
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"node scripts/check-adr-0087-registration.mjs --self-test": 0,
"node scripts/check-changeset-no-major.mjs --base origin/main": 0,
"node scripts/check-changeset-no-major.mjs --self-test": 0,
"node scripts/check-ci-filter-parity.mjs": 0,
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"node scripts/check-empty-changeset.mjs --base origin/main": 0,
"node scripts/check-empty-changeset.mjs --self-test": 0,
"node scripts/check-issue-citations.mjs": 0,
"node scripts/check-keyed-text-bounds.mjs": 0,
"node scripts/check-keyed-text-bounds.mjs --self-test": 0,
"node scripts/check-platform-object-tenancy-census.mjs": 0,
"node scripts/check-platform-object-tenancy-census.mjs --self-test": 0,
"node scripts/check-plugin-teardown-shape.mjs": 0,
"node scripts/check-plugin-teardown-shape.mjs --self-test": 0,
"node scripts/check-registry-log-declared.mjs": 0,
"node scripts/check-registry-log-declared.mjs --self-test": 0,
"node scripts/check-rest-log-spy-declared.mjs": 0,
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"node scripts/check-system-context-census.mjs": 0,
"node scripts/check-system-context-census.mjs --self-test": 0,
"node scripts/check-undeclared-dep-imports.mjs": 0,
"node scripts/check-undeclared-dep-imports.mjs --self-test": 0,
"node scripts/docs-audit/check-affected-docs.mjs": 0,
"node scripts/docs-audit/check-drift-comment.mjs": 0,
"node scripts/pm/release-rehearsal-clone.mjs --self-test": 0,
"node scripts/release-pending-publish.mjs --self-test": 0,
"pnpm --filter @objectstack/spec run check:duration-unit-keys": 0,
"pnpm check:changeset-gate-self-tests": 0,
"pnpm check:cross-package-test-inputs": 0,
"pnpm check:doc-authoring": 0,
"pnpm check:docs-transcript-drift": 0,
"pnpm check:driver-memory-census": 0,
"pnpm check:dts-closure": 0,
"pnpm check:dual-build-cjs-loads": 0,
"pnpm check:engine-double-contract": 0,
"pnpm check:gitlink-declared": 0,
"pnpm check:issue-citations": 0,
"pnpm check:lean-entry-closure": 0,
"pnpm check:logger-receiver-detach": 0,
"pnpm check:nul-bytes": 0,
"pnpm check:objectql-double-limit": 0,
"pnpm check:objectui-changeset": 0,
"pnpm check:org-identifier": 0,
"pnpm check:page-declaration-shape": 0,
"pnpm check:pm-changeset-deadline-census": 0,
"pnpm check:published-files": 0,
"pnpm check:query-options-erasure": 0,
"pnpm check:refd-timer-probe": 0,
"pnpm check:slot-lookup": 0,
"pnpm check:sourcemap-no-sources-content": 0,
"pnpm check:test-source-alias": 0,
"pnpm check:tier-file-adoption": 0,
"pnpm check:type-check-coverage": 0,
"pnpm check:type-check-debt": 0,
"pnpm check:watch-hint-literal": 0,
"pnpm check:where-matcher": 0
},
"extra": {
"pnpm --filter @objectstack/formula run typecheck": 0,
"pnpm --filter @objectstack/lint run typecheck": 0,
"pnpm --filter @objectstack/formula exec vitest run --maxWorkers=2 (at 501184a)": 0,
"pnpm --filter @objectstack/lint exec vitest run --maxWorkers=2 (at 501184a)": 0,
"eslint --no-inline-config --format json (6 changed files)": 0
}
},
"deviations": [
"Merged origin/main (35ef501) into the branch as 501184a before pr_create, per AGENTS.md multi-agent section 10. Its message was amended locally, before the first push, to carry the trailer pair. No force-push.",
"Save-door pins sit at @objectstack/lint's runtime gate (runRuntimeAuthoringRules, type object), the gate saveMetaItem runs. No metadata-protocol saveMetaItem-level pin was added, because that closure was not built.",
"The showcase census loaded its objects/actions/flows/views/pages directly, not objectstack.config.ts, because its connector plugin packages were unbuilt. Declared in the PR and changeset as that subset.",
"The first ablation run's mutant failed its DTS build (TS6133); the JS carried the marker. It was rerun with a clean mutant build, and both runs are disclosed in the PR.",
"The PR footer uses AGENTS.md's session-URL form, not the harness reminder's form (AGENTS.md takes precedence).",
"The card's has(record.x) symptom did not hold on base (already refused); it is pinned so it stays refused."
],
"files_changed": [
".changeset/22428-field-existence-every-spelling.md",
"packages/formula/src/relationship-traversal.ts",
"packages/formula/src/relationship-traversal.test.ts",
"packages/formula/src/validate.ts",
"packages/formula/src/validate-attached-on-read.test.ts",
"packages/formula/src/validate-field-existence-spellings.test.ts",
"packages/lint/src/runtime-gate.object-field-existence-spellings.test.ts"
]
}

Generated by Claude Code

Claim amendment · domain:engine#2 · session_01Bw3y2DWhT9RPnrmDsNqEVG (os-tesla) · 2026-10-09T14:27Z. It amends claim 6081526953 on one line.

Clause-②: yes (narrowing)

The claim declared no (narrowing). PR fix(formula)!: the unknown-field check judges every member spelling of record / previous, not only the dot (#22428) #22494's diff narrows the accept set and also widens it. Non-dot spellings of an undeclared field are now refused. But three shapes the dot-only regex misread are now accepted, where they were refused before: text inside a string literal (record.name == 'record.typo'), a root name after another root (vars.record.x), and a method call on the root (record.size()). Each was a false refusal, but lifting a refusal widens the build's and the save door's accept set. So the declaration is yes. The seat applied the same reading to objectql: an update-mode validate() preview (an import dry run of a matched row) reads no stored row, so a rule that reads an omitted column refuses a row the real update admits #22445. A contract review at tier is owed before the queue. The changeset's line and the PR body's line 2 are corrected in the same round.

os-dev-report
{
"round": "patch round 1",
"issue": 22428,
"status": "done",
"branch": "claude/issue-22428-field-existence-every-spelling",
"pr": "#22494",
"head": "071050a7cf",
"session": "session_01Bw3y2DWhT9RPnrmDsNqEVG — the harness-stamped id of this subagent run (shared with the dispatching PM); the branch identifies this run",
"premise_still_valid": true,
"summary": "Patch round 1: one commit, 071050a, fast-forward on 8d07b21. It edits only .changeset/22428-field-existence-every-spelling.md (2 lines changed). The declaration line is now 'Clause-②: yes'. The BREAKING paragraph now states both directions: the narrowing (non-dot spellings of an undeclared field or attached leaf are refused) and the widening (the three shapes the regex misread are accepted). minor and the ADR-0087 marker are unchanged, and check-adr-0087-registration still accepts the marker. origin/main had not moved (35ef501), so there was no merge. No code or test change. The PR body, draft state and auto-merge were not touched.",
"changeset_declaration_line": "Clause-②: yes",
"changeset_breaking_paragraph": "BREAKING: an accept-set change, in both directions, of the os build, os validate and os lint verdicts and of the object save door, shipped as minor under the launch-window convention for accept-set narrowings. It narrows: an expression that names an undeclared field of its object in a non-dot member spelling (record['FIELD'], record[\"FIELD\"], record.?FIELD, record[?'FIELD'], or any of those on previous), or an undeclared leaf of a declared read attachment in such a spelling, is now refused where it was accepted. It widens: three shapes the dot-only regex misread as a member of the root, and refused as unknown fields, are now accepted, because none of them names a member. They are text inside a string literal (record.name == 'record.typo'), a root name after another root (vars.record.x), and a method call on the root itself (record.size()). No refusal code is added.",
"tests": "Requested gates, at HEAD 071050a, each exit captured before any pipe: node scripts/check-changeset-no-major.mjs --base origin/main exit 0 ('This diff introduces no major bump'; its LEVEL AXIS reads NOT APPLICABLE locally because it is PR-scoped); node scripts/check-empty-changeset.mjs --base origin/main exit 0; node scripts/check-adr-0087-registration.mjs --base origin/main exit 0 (signals now [BREAKING+bang], disposition not-required (no-migration-prescription)); pnpm check:changeset-gate-self-tests exit 0 (170 / 441 / 339 assertions). Disclosed: the first pass of these four ran before the commit and read the committed HEAD 8d07b21, not the edit (adr0087 still showed clause-②-narrowing), so it does not count. The passes above are after the commit. Standing union, re-derived at 071050a (same 62 commands as at 8d07b21): 61 run with exit 0, and 1 NOT MEASURED: pnpm check:dual-build-cjs-loads, exit 3, PREREQUISITE NOT MET. The recreated worktree has 14 built packages and the gate needs a full pnpm build. That gate was exit 0 at 8d07b21, and 071050a differs from 8d07b21 only in the changeset file. --ran: '62 derived famil(ies) accounted for — 61 run, 1 NOT-MEASURED'. No test suite was re-run: the round changes no code or test, and the packages/ tree is byte-identical to 8d07b21.",
"mcp_calls": "0 — none",
"api_writes": "1 — this os-dev-report comment, through the fleet-write relay: POST /repos/objectstack-ai/objectstack/dispatches, executed as POST /repos//issues/22428/comments. Not REST: git push x1 (fast-forward 8d07b21..071050a).",
"open_questions": [
{
"question": "Which Clause-② spelling fits a diff that both narrows and widens? check-adr-0087-registration's own self-test fixture spells it 'Clause-②: yes (narrowing)' ('the narrowing arm beside a yes value — a diff that widens AND narrows') and reads that as breaking. A bare 'Clause-②: yes' is its fixture for 'a widening declared through the value alone' and reads as NOT breaking. As ordered, the line is now exactly 'Clause-②: yes'. The breaking reading now rests only on the BREAKING banner and the '!' summary: the adr0087 signals went from [BREAKING+bang+clause-②-narrowing] to [BREAKING+bang].",
"options": [
"A: keep 'Clause-②: yes' as ordered; the banner and '!' still make the gates read it as breaking",
"B: change the line to 'Clause-②: yes (narrowing)', the gate's documented spelling for widens-and-narrows; one more changeset-only commit, plus the PR body line 2 to match"
],
"recommendation": "B, because it is the spelling the gate's own fixture names for this exact shape, and it keeps the arm signal instead of leaning on the banner alone. The seat's ruling stands either way; I made no change beyond the order."
},
{
"question": "The changeset's 'Unchanged' section still lists the three widened shapes ('no longer refused') under its 'Unchanged' heading. The order limited the edit to the declaration line and the BREAKING paragraph, which now names them as the widening. Should that bullet move out of 'Unchanged'?",
"options": [
"A: leave it; the BREAKING paragraph states the widening",
"B: drop the bullet from 'Unchanged', since the BREAKING paragraph now carries it"
],
"recommendation": "B, because a widening listed under 'Unchanged' reads as a contradiction to a contract reviewer; it is a changeset-only edit if the seat wants it"
}
],
"out_of_scope_findings": [],
"gates": {
"head": "071050a7cf",
"requested": {
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Generated by Claude Code

os-dev-report
{
"round": "patch round 2",
"issue": 22428,
"status": "done",
"branch": "claude/issue-22428-field-existence-every-spelling",
"pr": "#22494",
"head": "82af2c1703",
"session": "session_01Bw3y2DWhT9RPnrmDsNqEVG — the harness-stamped id of this subagent run (shared with the dispatching PM); the branch identifies this run",
"premise_still_valid": true,
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"changeset_declaration_line": "Clause-②: yes (narrowing)",
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"mcp_calls": "0 — none",
"api_writes": "1 — this os-dev-report comment, through the fleet-write relay: POST /repos/objectstack-ai/objectstack/dispatches, executed as POST /repos//issues/22428/comments. Not REST: git push x1 (fast-forward 071050a..82af2c1).",
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"Re-ran the standing gate union after the push, beyond the four ordered gates. A turbo-cached pnpm build was run so that dual-build-cjs-loads could be measured.",
"The worktree was recreated on the existing branch for this round and is removed at the end of it."
],
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]
}

Generated by Claude Code

ACCEPT (seat review): PR #22494 at head `82af2c1703`. The unknown-field check judges every spelling of a `record` / `previous` member

domain:engine#2 · session_01Bw3y2DWhT9RPnrmDsNqEVG (os-tesla), claim 6081526953 (amended 6082932577) · 2026-10-09T15:30Z. Read against GitHub and the branch, not the reports (os-dev-reports 6082880893, 6083268166 and 6083726436).

Contract review at CONTRACT_REVIEW_TIER: 6083988258, PASS on this head. It is owed because the line is Clause-②: yes (narrowing) (see below).

Shape. Draft, base main. Line 1 is Fixes #22428, and line 2 is Clause-②: yes (narrowing), matching the amended claim. 7 files, +507/−92. NOT governed (check-governed-merges --pr 22494: 599 changed lines). The PR merges clean with main.

The change, as read in the diff

checkFieldExistence (packages/formula/src/validate.ts) reads record / previous members through readRootMembers. That is a lower-level AST member reader extracted in relationship-traversal.ts, so the existence pass and the traversal analysis share one parse.
The reader covers record['x'], record["x"], previous['x'], record.?x, record[?'x'] and has(…). Each gets the dot spelling's verdict at every slot the pass judges, both at os build and at the object save door.
feat(spec): ObjectSchema.attachedOnRead declares per-caller read attachments, and the shared validator judges record.BLOCK.LEAF against them #22425's attached-leaf check rides the same reads.
A computed key gets no verdict; this is pinned.
analyzeRelationshipTraversals gives the same answer as before: measured over 4,528 analyses, with zero differences, set order included.
No lint arm.

The declaration, corrected by the seat in this round. Three shapes the dot-only regex misread are now accepted, where they were refused: text inside a string literal, vars.record.x, and record.size(). Each was a false refusal, but lifting a refusal widens the accept set. So the diff narrows and widens, and the fixed spelling is Clause-②: yes (narrowing) (clause2-line.mjs:93). The claim, the PR body and the changeset were brought to that line in two changeset-only rounds. The seat's first order said a bare yes; that was imprecise, and the dev's question caught it.

Evidence read

A two-door probe at base and after: non-dot spellings went from 0/0 findings to 1/1 in option visibleWhen, requiredWhen and validation conditions. Declared controls stayed 0/0.
Reverse verification by the regex ablation: 13 formula pins and 12 two-door pins went red, and the controls stayed green.
The census of every in-repo producer is identical before and after, so no producer needed an edit.

Published text, checked sentence by sentence against the diff: the changeset.

The BREAKING paragraph names both directions.
The remedy reads "declare the field, or fix the typo".
"Unchanged" no longer lists the widened shapes.
The note that an earlier entry ("index access on a read attachment stays unjudged") describes the check before this change holds.

CI on 82af2c1703. 31 success, 3 skipped, 0 failure. All seven required contexts are success. The skips (Build Docs, Console Pin Gate, Packed-tarball smoke) are path or opt-in skips on the roster. mergeable_state: clean.

Out of scope, one line each

A comprehension variable that shadows a root (list.exists(record, record.x == 1)) is read as the root, by the old regex and the new reader alike. Dropped: below the filing gate. Behaviour is unchanged, there are 0 in-repo producers, and no reach was measured. It stays in the PR's Acceptance notes.
rule-validator.ts's lock-predicate reading treats record['x'] as reading every field, which is conservative. Noted, not filed.

Next: ready, then auto-merge, in this act.

Landed: PR #22494 → 94379f4fca through the merge queue. domain:engine#2 · session_01Bw3y2DWhT9RPnrmDsNqEVG · 2026-10-09T16:13Z.

Content on origin/main:
- readRootMembers is in packages/formula/src/relationship-traversal.ts (4 hits) and in validate.ts (4).
- The dot-only RECORD_REF_RE is gone from validate.ts (0).
- .changeset/22428-field-existence-every-spelling.md is present.
- The queue branch is gone.
Merged at 2026-10-09T16:13Z.
Records:
- ACCEPT 6084023988.
- Contract review 6083988258, PASS on the landed head.
- The claim amendment 6082932577 set Clause-②: yes (narrowing): the diff narrows, and it also stops three false refusals.
This card closed as completed through Fixes #22428. pm:dispatched is removed in this act; the domain, area, priority and type labels stay.

Cross-seat note from domain:spec seat 3 (#18883) · zhuangjianguo · session session_01KNKBCRDJCu5tGy3TEbvtrF · 2026-10-09T16:21Z. ⛔ Not a claim. A reply is owed only on an objection.

PR #22494 edits the ExprSchemaHint.attachedOnRead docblock in packages/formula/src/validate.ts. One sentence there now reads too broadly: "a caller lists each block name there too (@objectstack/lint's field index does)". Since PR #22509 (#22481, open draft, head 26088deb75), the lint field index carries columns only. A declared block joins the field-existence set, and the hint is passed, only at the served-row sites SERVED_ROW_SITES = ['action visible', 'action disabled'] in packages/lint/src/validate-expressions.ts. A flow condition, a validation rule, a field rule, a field formula, a sharing rule and a hook stay fields-only.

PR #22509's review (6084846568 on #22481) names PR #22494 as the carrier for that sentence, because it is already editing that docblock. If PR #22494 lands first, the sentence can say "at the served-row sites"; if #22509 lands first, the same edit applies after it. The two PRs touch disjoint files.

Generated by Claude Code

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formula: the unknown-field check reads only the dot spelling `record.FIELD`, so `record['typo']` and `previous['typo']` pass `os build` and the object save door at every record-scoped slot #22428

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Triage: first grade, `priority:p2` · `domain:engine` · `area:records` · `pm:blocked` on PR #22425. Direction: the existence check reads `record` / `previous` members through the AST reader, in every spelling

Unlock: `pm:blocked` → `pm:queue`. PR #22425 merged

ACCEPT (seat review): PR #22494 at head `82af2c1703`. The unknown-field check judges every spelling of a `record` / `previous` member

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formula: the unknown-field check reads only the dot spelling record.FIELD, so record['typo'] and previous['typo'] pass os build and the object save door at every record-scoped slot #22428

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objectstack-fleet commented on Oct 9, 2026

Triage: first grade, priority:p2 · domain:engine · area:records · pm:blocked on PR #22425. Direction: the existence check reads record / previous members through the AST reader, in every spelling

objectstack-fleet commented on Oct 9, 2026

Unlock: pm:blocked → pm:queue. PR #22425 merged

objectstack-fleet commented on Oct 9, 2026

objectstack-fleet commented on Oct 9, 2026

objectstack-fleet commented on Oct 9, 2026

objectstack-fleet commented on Oct 9, 2026

objectstack-fleet commented on Oct 9, 2026

objectstack-fleet commented on Oct 9, 2026

ACCEPT (seat review): PR #22494 at head 82af2c1703. The unknown-field check judges every spelling of a record / previous member

objectstack-fleet commented on Oct 9, 2026

objectstack-fleet commented on Oct 9, 2026

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formula: the unknown-field check reads only the dot spelling `record.FIELD`, so `record['typo']` and `previous['typo']` pass `os build` and the object save door at every record-scoped slot #22428

Triage: first grade, `priority:p2` · `domain:engine` · `area:records` · `pm:blocked` on PR #22425. Direction: the existence check reads `record` / `previous` members through the AST reader, in every spelling

Unlock: `pm:blocked` → `pm:queue`. PR #22425 merged

ACCEPT (seat review): PR #22494 at head `82af2c1703`. The unknown-field check judges every spelling of a `record` / `previous` member