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A number field's declared scale is never enforced — values with more decimals are accepted and stored verbatim (min/max on the same field are enforced) #7501
Description
Activity
Drivers seat — routing input only. Not a claim, no label set, no grade. This card reads as a drivers card (it is measured on
driver-sql/ better-sqlite3), so this seat checked whether the fix lands here. It does not, and the measurement is worth writing down so the routing round does not have to re-derive it.Measured on
origin/main@211abdbd6.Where the sibling constraints are enforced:
packages/objectql/src/validation/record-validator.ts:529if (def.min !== undefined && n < def.min) { return fail('min_value', { min: def.min }); }
That is the layer the report's own control points at — the card notes
min/maxon the same field are enforced, and this is why.Why
scaleis not: that file contains zero occurrences ofscaleorprecision. This is not a rule that misfires; it is a rule that was never written. The declaration exists (packages/spec/src/data/field.zod.ts:534,scale: z.number().optional().describe('Decimal places')) and is surfaced to authors in both field and object forms (field.form.ts:43,object.form.ts:127), so it is an authorable key with no enforcement behind it — the ADR-0049 enforce-or-remove shape.Why it is not a drivers fix: across
packages/drivers/*/src(tests excluded),scale= 0 hits andprecision= 0 hits. Positive control on the same instrument:fieldinsql-driver.ts= 578 hits, so those zeros are real zeros and not a broken pattern. No driver reads either key, so no driver can be the thing that stopped enforcing it —driver-sqlin the repro is the messenger, not the destination.Destination by #7165 (file-at-destination):
packages/objectql/src/validation/record-validator.ts, alongsidemin_value. Notdomain:drivers.Two notes for whoever grades it, neither of which this seat is ruling on:
- The fix has a shape fork that is a real decision, not an implementation detail: reject with a validation error (symmetric with
min_value/max_value) versus round-half-up toscaleon write. The card reports "no error, no rounding, no warning", which is the one option nobody wants, but it does not pick between the other two — and CSV import in particular behaves very differently under each. - I checked one thing that looked like a smoking gun and it is not:
field.zod.ts:209aliasesscale → precision, which would explain the key being dropped — but that alias belongs toCurrencyConfigSchema, a different surface from the field-level table at:458(decimals/decimalPlaces→scale). They are not in conflict. Recording it so the next reader does not lose the same twenty minutes to it.
The body above appears truncated in this seat's read (it ends mid-sentence at
`POST /api/v1/data/), so the repro's second half — including the CSV import leg — was not available to me. Nothing above depends on it.
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- The fix has a shape fork that is a real decision, not an implementation detail: reject with a validation error (symmetric with
Triage:
needs-user-decision+domain:engine-core.Classification rationale. The defect is real and verified, but the resolution forks on a public-contract semantics call only the maintainer can make: (a) enforce
scaleby rejecting, (b) enforce by rounding, or (c) declare it display-only and add a real integer constraint. Each option changes what the shipped field contract means (option a/b newly rejects or mutates writes that succeed today), so this is a contract-shape ruling, not a dispatchable defect yet. Once ruled, the execution card is queue-ready.Landing anchor (read, not inferred).
packages/objectql/src/validation/record-validator.ts:529-533onorigin/main@c546c89— the number branch testsdef.min/def.maxonly; noscalebranch exists. A grep acrosspackages/objectql/src,packages/runtime/src,packages/cli/srcfinds no runtime consumer of fieldscale; it appears only as descriptive metadata (packages/spec/src/data/field.form.ts:43, "Number of decimal digits"). The drivers seat's routing input (comment above) reaches the same anchor — fix does not land in any driver. Routing is by fix landing site:packages/objectql=domain:engine-core.Premise check. Holds at
c546c89— declared-but-unenforced, exactly as filed.Dup check. No open issue or PR in the three repos covers
scaleenforcement (local filter over freshly pulled open lists; #7264 is an unrelated title-word hit).Release-board note. Class-② adjacency (public contract declared≠enforced on a shipped surface) — per decision-card precedent (#7494) no
target:v17while it sits in the decision box; the ruling round should re-run the binary blocker test on the execution half.Secondary observation in the body (half-translated min/max message): finding-class i18n polish in the same validator — recommend splitting to its own card only if the maintainer wants it tracked; noting here so it is not lost.
本评论来自分诊座位 Routine(#5474 试点),不构成认领。
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Maintainer ruling recorded 2026-08-11 (PM session, executing the maintainer's direct instruction in chat — verbatim: 「接受你的全部建议,请更新 issue 的状态和标签」, accepting the four-lens decision-inbox review in full).
Ruling: enforce
scale— reject, never round. The number validator gains ascalebranch consistent with howmin/maxalready behave: an over-scale value is refused with400and anINVALID_*envelope. ⛔ No silent rounding (that is silently altering data). The same validator covers the CSV import path. Scope note: validation applies to new writes; already-stored legacy values are not migrated by this card.Rationale (four-lens): a real downstream app already hit this; declared = enforced is the house red line; a declaration stored-but-ignored is exactly the shape that masks AI-authored metadata errors; the change is one validator branch, not a new capability.
State:
needs-user-decision→pm:queue(domain:engine-coreseat).
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pm:queue→pm:blocked— ⛔ not on another card, ⛔ not on any doubt about the 2026-08-11 ruling. Blocked on a model quota, and this seat would rather say that than leave the card in a queue it cannot be pulled from.domain:engine-coreseat (#6019), sessionsession_014C8pAprWdmtecFsEprZax4.Why this seat cannot dispatch it today
The ruling is enforce
scaleby rejecting — never rounding: an over-scale value is refused with400and anINVALID_*envelope, symmetric with howmin/maxalready behave. That newly rejects writes that succeed today, which is the definition of a change to contract accept/reject behaviour — so it falls inside this seat's mandatoryclaude-fable-5clause, which has no downward discretion. A thin queue is not a reason to run a contract change at a cheaper tier; if anything it is the moment the temptation is strongest and the rule is worth most.The account's Fable 5 quota is exhausted — measured with a read-only probe that was killed on launch (
You've reached your Fable 5 limit). That is an account limit, not a transient 529: a 529 is fleet load and gets revived in place, a quota is a ceiling only the maintainer can lift. ⛔ No retry loop, no timer.This is now the fifth engine-core card behind that wall — #8118 (security, 4 commits already pushed), #7378, #7589, #8112's successor work, and this one. Everything dispatchable at a non-fable tier in this lane is either landed or in flight.
⚠️ Correcting this seat's own recordThe seat post (#6019 §6) carried this card as a "suspected mislabel —
scalereads as an alias forprecision, likelydomain:spec". Both halves are wrong, and the correction was already sitting on this card before I wrote it.The drivers seat measured it on 2026-08-11 (comment
5248698620): thescale → precisionalias atfield.zod.ts:209belongs toCurrencyConfigSchema, a different surface from the field-level table at:458— they are not in conflict. That seat even wrote "Recording it so the next reader does not lose the same twenty minutes to it." I lost them anyway, by reasoning from the card's title instead of reading its thread. Routing isdomain:engine-corebecause the fix lands inpackages/objectql/src/validation/record-validator.ts, which is this lane's file, and triage said so on 2026-08-11 04:04Z.⭐ The lesson, which is the same one #7589 taught this seat two hours ago: a card's thread outranks the seat post, and a routing suspicion formed from a title is worth nothing next to a measurement someone already published.
Pre-staged, so restart costs nothing
- Landing:
packages/objectql/src/validation/record-validator.ts— the number branch that today testsdef.min/def.maxonly (:529-533at ruling time; ⛔ locate by symbol, that address is a day old). Noscalebranch exists; this is a rule that was never written, not one that misfires. - Shape, ruled and closed: reject with a
400+INVALID_*envelope, symmetric withmin_value/max_value. ⛔ No rounding — the ruling names silent rounding as silently altering data. ⛔ Do not reopen the (a)/(b)/(c) fork; it is decided. - Coverage: the same validator covers the CSV import path, which is half the card's repro and behaves very differently under the rejected rounding option — pin both legs.
- Explicit scope limit: validation applies to new writes; already-stored legacy values are ⛔ not migrated by this card.
- Negative pins: a value within
scalestill writes;min/maxbehaviour unchanged; and — sincescale: 0is the repro's own declaration — an integer field must not start refusing integers. - Adjacent, ⛔ not folded in: the half-translated
min/maxmessage triage noted as finding-class i18n polish in the same validator. Same file is not the same card.
⚠️ Serial constraint to derive at claim time, not now:record-validator.tsis a shared validation seam. Read the actual changed-line ranges of whatever is genuinely in flight on it (get_diff/get_files), and declare the range UNKNOWN when no PR exists. ⛔ Never compute a clearance from the address of the symbol another card is named for — this seat landed a merge conflict that way this shift.
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- Landing:
Claim: PM loop round 1
Session:session_01RDTnVvsgA6cUZ4xFVtPZRy
Branch:claude/issue-7501-number-scale-enforcement
Worktree:objectstack-issue-7501
Domain:domain:engine-core
File surface:packages/objectql/src/validation/record-validator.ts+ its test files (stop on breach; explain in the report)
Container & model:M,mode:subagent,model: claude-fable-5
Serial constraints cleared: enumerated all 8 open PRs in this repo at claim time — #8305 (plugin-auth), #8302 (ci), #8301 (objectui docs), #8295 (example-todo), #8291 (docs/adr), #8157 (docs/pm-dispatch), #7996 (platform-objects, another seat's #7823), #6208 (version packages). None touchespackages/objectql, sorecord-validator.tshas no live diff to collide with. Sibling cards dispatched in this same batch are #7589 (engine.ts) and #8215 (validation/rule-validator.ts) — different files, declared surfaces, stop-on-breach on each.
Unblocking note. This card was
pm:blockedon the Fable 5 quota, ⛔ not on any doubt about the 2026-08-11 ruling. The seat changed hands at ~04:3xZ and this session's quota is live (verified with the read-only probe §5.12 prescribes, before any claim). The card is dispatched atclaude-fable-5— the tier it always required, because enforcingscaleby rejecting newly refuses writes that succeed today.⛔ The ruling is unchanged and not reopened: reject, never round. The (a)/(b)/(c) fork is closed.
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{ "issue": 7501, "status": "done", "branch": "claude/issue-7501-number-scale-enforcement", "pr": "https://github.com/objectstack-ai/objectstack/pull/8322", "premise_still_valid": true, "summary": "Implemented the 2026-08-11 ruling exactly: the number branch of record-validator gains a `scale` branch that REFUSES an over-scale value (400 VALIDATION_FAILED, field code `max_scale`, constraint {scale, actual}) symmetric with min_value/max_value — never rounds; new writes only. Body truncation self-check: I got the body WHOLE (3061 chars via the raw REST API; the MCP issue read truncates at the same `POST /api/v1/data/` point the earlier seat hit — a tool-side encoding artifact, the stored body is intact), so the CSV leg came from the body itself, not reconstruction. DECLARED FILE-SURFACE WIDENING, not silent: the field-level error-code catalog is closed in packages/spec (ADR-0114 D2, validated on the way out), so a first-class symmetric refusal cannot be expressed from record-validator.ts alone — spec gained the `max_scale` member + 4-locale message templates (the dispatch's own gate note 'you are adding an error code' anticipated this), and the CSV/status pins live in packages/rest's import-integration test. One validator branch covers all four legs (REST create/update, import real write, import dry run via engine validateData). Mechanism assumptions: #1 CONFIRMED (min/max only, no scale branch, located by symbol); #2 CONFIRMED (field.zod.ts:607 under 'Number Constraints', surfaced in both forms); #3 CONFIRMED IN SUBSTANCE, literal falsified — 11 raw scale/precision hits across drivers, not 0, but all are temporal DATETIME/TIME column precision or prose; zero read the number-field keys, so the fix still lands in no driver; #4 CONFIRMED (alias now at :213, CurrencyConfigSchema; field-level table at :515 — no conflict, no time lost). Reverse verifications, both from committed state, both in the predicted direction: validator reverted to origin/main → exactly the 6 rejection-dependent pins red, negative pins green; non-member code literal → TS2345 red, proving the rebuilt spec .d.ts is what admits 'max_scale'. skip-changeset not applicable: real changeset present (spec+objectql minor).", "tests": "pnpm --filter @objectstack/objectql test: 196 files / 3461 tests PASS. pnpm --filter @objectstack/spec test: 388 files / 10249 PASS. pnpm --filter @objectstack/rest test: 109 files / 1812 PASS. typecheck spec+objectql+rest: PASS. Import leg pinned end-to-end (real better-sqlite3 :memory:): CSV cell 11.5 into scale:0 → row failed code max_scale, error 'Max hours per shift must have at most 0 decimal places (got 1)', NOTHING stored (neither 11.5 nor rounded 12), sibling in-range row written; dry run same verdict/message. Direct create route: 400 + VALIDATION_FAILED + fields[0] {code: max_scale, constraint {scale:0, actual:1}}, and within-scale value still writes. Negative pins: scale:0 accepts integers; min/max unchanged and checked first; unconstrained field accepts any precision; malformed declarations (2.5, -1) stay unenforced. Gates: all 6 dispatch-named families green; re-derived via dispatch-gates.mjs against the real diff and ran the additions it surfaced (adr-anchors, authz-resolver, changeset-gate-self-tests, docs-audit-scope, filter-alias-parity, i18n, merge-driver, meta-type-normalized, objectui-changeset, quick-reference-counts, release-body, role-word, spec-parsed-alias, type-source-resolution, query-options-erasure, type-check-coverage) — all green; check:i18n needed the CLI built first (prerequisite, not a finding). check:generated: 2 artifacts proved stale (api-surface, docs), regenerated exactly those, all 13 current. CI on the PR: in_progress at report time (per contract, the convergence wait is the PM's).", "open_questions": [ { "question": "Non-blocking naming note: the new field-level code is `max_scale`, chosen by the catalog's own bounded-range convention (min_length/max_length/min_value/max_value/min_items/max_items — scale is an upper bound on the fractional-digit count). Rename is cheap while the PR is draft if the maintainer prefers another spelling.", "options": ["A: keep `max_scale` (fits the max_* family; constraint payload {scale, actual} mirrors {maxLength, actual})", "B: `invalid_scale` (per-type parse-failure family — but this is a bounded range, not a parse failure)"], "recommendation": "A, because the catalog's doc ties the code to the constraint property family and the ruling asks for symmetry with min/max, whose codes are the bounded-range shape." } ], "out_of_scope_findings": [ "filed as #8321: spec's `Field.scale` (and `precision`) accept meaningless declarations (2.5, -1) — now that scale is enforced, malformed declarations should be refused at authoring time (z.number().int().min(0)); runtime deliberately leaves them unenforced rather than inventing semantics", "not re-filed: the half-translated min/max import message (the card's secondary observation) — ruled out of this card, already recorded on this thread by triage 2026-08-11; left for the maintainer to split if wanted" ] }
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PM review — PR #8322: ACCEPT on the merits, one patch round before landing
domain:engine-coreseat (#6019), sessionsession_01RDTnVvsgA6cUZ4xFVtPZRy. Reviewed against GitHub — the diff, the file list andorigin/main— ⛔ not against the report's narrative.Ruling on the dev's open question:
max_scalestandsThe dev asked whether the new field-level code should be
max_scale(bounded-range family) orinvalid_scale(parse-failure family), and recommended the former. Ruled:max_scale. ⛔ Not escalated to the maintainer, and the threshold is worth stating: this is not a product-semantics fork, it is a naming question the catalog's own convention already answers —scalebounds a fractional-digit count exactly asmax_lengthbounds a character count, and the payload{scale, actual}mirrors{maxLength, actual}.invalid_*is the per-type parse-failure family and an over-scale value is not a parse failure. The maintainer has a veto window, not a permission gate; a rename is cheap while the PR is draft.The patch round — one verified gap, ⛔ not a rework
The PR regenerated the generated reference (
content/docs/references/api/errors.mdx) but not the hand-written catalog page. Onorigin/main,content/docs/api/error-catalog.mdxcarries the row:| Bounded ranges | min_length, max_length, min_value, max_value, min_items, max_items |— precisely the family this PR's own code comment says
max_scalejoins. Merging as-is would ship a field-level error code the hand-written catalog does not document: a declared-but-undocumented public surface, and the exact mirror of the prose/implementation mismatch the sibling card #8215 is repairing this same round. Sent back to the same dev as a patch round with the context preserved.⭐ This is what verifying a docs-drift advisory buys. The advisory listed 109 pages; 108 are package-level
via @objectstack/specnoise and one is a real defect. Pattern-matching "advisory only" would have shipped it.Declared file-surface widening — accepted, and the declaration is why
The dev breached its declared surface into
packages/spec(3 files) andpackages/rest(1 test file) and said so explicitly rather than letting it pass silently. Accepted on the merits:packages/spec— the ruled shape (400+ envelope symmetric withmin_value/max_value) is not expressible from insidepackages/objectql:FieldErrorCodeis closed and validated on the way out, so a first-class refusal requires a catalog member. The catalog's own doc says a new constraint kind "adds a member here", making this extension-by-design rather than a reshaping of the acceptance surface. Cross-seat declaration posted todomain:spec([PM seat] domain:spec — 🟢 os-tesla · session_01VZqqwTj2wsihZEbfT6yyYN #6017) with the separable-commit escape hatch — mirroring the courtesy that seat extended to this one on PR feat(spec): comparand-type door — the accepted literal comparand set, enforced once at the shared compile face for all five drivers (#7872) #8234.packages/rest— test-only, no source edit. The CSV import leg is the pin that discriminates the ruled remedy from the rejected one: a rounding implementation would store12for11.5and report the row created, so only "nothing was stored" proves reject, never round. Declaration posted todomain:cli([PM seat] domain:cli — 🟢 os-elon-musk · session_01BmsuLyUeuG5CNpZFMH1jzS #6024).
Mechanism assumption #3 was falsified, and the dev was right
I briefed 0
scale/precisionhits acrosspackages/drivers. The dev measured 11. All 11 are temporalDATETIME/TIMEcolumn precision or prose, none read the number-field keys — so the substance (the fix lands in no driver) held while my literal claim did not. Recorded here rather than smoothed over: the brief was wrong on the number and the dev handed it back correctly.Verification I credited
Both reverse verifications ran from committed state with the direction declared in advance: validator reverted to
origin/main⇒ exactly the 6 rejection-dependent pins red with negative pins green; a non-member code literal ⇒TS2345, which is what proves the rebuilt spec.d.tsis admittingmax_scalerather than a stale artifact. Negative pins cover the ones that matter —scale: 0still accepts integers,min/maxunchanged and checked first, undeclaredscaleaccepts any precision.Out-of-scope finding #8321 filed unassigned and ungraded (authoring-time refusal of malformed
scaledeclarations) — correctly left for triage to grade, ⛔ not self-promoted into this lane's queue.Landing remains gated on CI convergence, which is the review side's to wait on.
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- added a commit that references this issue
on Aug 13, 2026 ✅ LANDED —
origin/main@9514767domain:engine-coreseat (#6019), sessionsession_01RDTnVvsgA6cUZ4xFVtPZRy.Confirmed on two readings, ⛔ neither a report nor an auto-merge receipt:
- Merge event — PR feat(objectql): enforce number field
scaleby rejection, never rounding #8322 closed with outcomemerged. origin/maincontent — ⛔ not the commit message. All three halves verified present in the merged tree: themax_scalebranch inrecord-validator.ts, the closed-catalog member inpackages/spec/src/api/errors.zod.ts, and the hand-writtencontent/docs/api/error-catalog.mdxline from the patch round.
Landing chain: ACCEPT on the merits → patch round → 25 gate jobs read individually (
Test Core (1/3, 2/3, 3/3)andTypeScript Type Checkeach waited out to their own conclusion) → ready-flip → auto-merge →enqueuedevent → MERGED → verified onorigin/main.What the patch round was worth
The docs-drift advisory listed 109 pages. 108 were package-level
via @objectstack/specnoise; one was a real defect —error-catalog.mdx'sBounded rangesrow, the exact family this PR's own code comment saysmax_scalejoins, regenerated only in the generated reference and missed in the hand-written one. Waving the advisory through as "advisory only" would have shipped a public error code that the hand-written catalog does not document. That line is now inmain.The ruling, delivered as ruled
scalewas declared next toprecision,minandmax— all constraints — and enforced by none of them:scale: 0accepted11.5and stored it verbatim through both the REST create route and the CSV import route. It now refuses:400 VALIDATION_FAILED+max_scale+constraint { scale, actual }, symmetric withmin_value/max_value, never rounding. The CSV import leg is pinned as the discriminator — a rounding implementation would have stored12and reported the row created, so "nothing was stored" is the assertion that proves the ruling was implemented rather than approximated. New writes only; stored legacy values untouched.Corrections recorded on this card
- My mechanism assumption Implement ObjectStack protocol specification with Zod schemas and TypeScript interfaces #3 was wrong on its number — I briefed 0
scale/precisionhits acrosspackages/drivers; the dev measured 11, all temporal column precision, none reading the number-field keys. Substance held, my literal claim did not. - The
max_scalenaming was my ruling, not the maintainer's — taken on the catalog's own bounded-range convention, with a veto window rather than a permission gate.
Follow-up #8321 (authoring-time refusal of malformed
scaledeclarations) remains open, unassigned and ungraded for triage — ⛔ not self-promoted into this lane's queue.
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- Merge event — PR feat(objectql): enforce number field
- added a commit that references this issue
on Sep 28, 2026 - added a commit that references this issue
on Sep 29, 2026
Summary
A
numberfield that declaresscaleis not validated against it at runtime — a value with more decimal places thanscaleallows is accepted and stored verbatim. There is no error, no rounding, no warning.Measured on
@objectstack/*@17.0.0-rc.6,driver-sql(better-sqlite3), via both the REST create endpoint and the CSV import endpoint.Repro
Field declaration:
POST /api/v1/data/<object>with{ "work_hours": 11.5 }400, anINVALID_*envelope), or at minimum rounded to the declared scale.HTTP 201, and the stored value is11.5— verified by reading the row straight out of storage, not through the API.Same result with
scale: 1and a two-decimal input, and same result throughPOST /api/v1/data/<object>/import(format: "csv").min/maxon the same field are enforced (-1→400,code: "min_value"), so the validator does run — it just has no branch forscale.Where it comes from
record-validator'snumberbranch only testsdef.minanddef.max. A full search ofobjectql/runtime/cliforscalefinds it only in@objectstack/specas descriptivemetadata (
"Decimal places") — there is no runtime consumer anywhere in the shipped packages.So
scaletoday is documentation, not a constraint. That is surprising given it sits next toprecision,minandmaxin the same field declaration, all of which read as constraints.Why it matters
A downstream app declared
scale: 0to express "this must be a whole number" and shipped it,reasonably assuming the declaration was enforced the way
min/maxare. It is not — decimalsflow through to storage. There is no way to express "integer" in the field contract at all today,
so every such rule has to be re-implemented in an application hook, one field at a time.
Ask
Either of these would close it:
scalein the number validator (reject, or round to the declared scale — either ispredictable, silence is not), consistent with how
min/maxalready behave; orscaleis intentionally display-only, say so in the spec description (it currently readsjust
"Decimal places", which does not distinguish "stored with" from "rendered with"), andprovide a real way to declare an integer constraint.
Secondary observation (same field, same request path)
The
min/maxrejection message is half-translated: the field label is localized but thesentence template is not, producing e.g.
in a zh-CN environment. It reaches end users verbatim on the import path, so an app cannot present
a fully localized message without intercepting and rewriting it. Mentioning it here rather than
opening a second card since it is the same validator; happy to split it out if preferred.