finding(types): ChartDataSeriesSchema SILENTLY STRIPS six series keys the renderer reads — label, variant, opacity, dashArray, stack, yAxis

[claude]

Found while implementing #7113 (PR #7545); out of that card's scope — its ruling fences the change to chart-level data, xAxisKey, and the two series binding dialects. Filed unassigned for triage. Not fixed in that PR.

The finding

ChartDataSeriesSchema is a non-strict z.object — not .passthrough() like BaseSchema. A non-strict z.object strips an undeclared key in silence. Six keys that normalizeSeries demonstrably reads are undeclared, so a parsed series loses them and safeParse reports success.

Measured against the built mirror on origin/main 98d4108a2:

input : { name, label, stack, yAxis, opacity, dashArray, variant }
parse : success = true
output: { name }

Every one of the six is read at packages/plugin-charts/src/normalizeChartSchema.ts in normalizeSeries (lines 242-256):

key	read
label	const lbl = label(raw.label)
variant	str(raw.variant), narrowed to comparison / current / primary
opacity	num(raw.opacity)
dashArray	str(raw.dashArray)
stack	str(raw.stack)
yAxis	str(raw.yAxis), narrowed to left / right

Why this is worse than the chart-level case #7113 fixed

They are different failure shapes, and this is the sharper one:

• chart-level (ChartSchema, BaseSchema is .passthrough()) — an undeclared key is kept. It reached the renderer and rendered; only its value went unchecked. That is what [Decision] ChartSchema's real data model — chart-level data and xAxisKey — is undeclared, and #6896's retirement now points authors at it by name #7113 repaired for data / xAxisKey.
• series-level (ChartDataSeriesSchema, non-strict z.object) — an undeclared key is removed. Any consumer of the parse output loses it outright.

This is the same silent no-op the #6896 retirement tombstone comment names in this very file, applied to keys that are live rather than retired.

Also undeclared, though merely passed through rather than stripped, on ChartSchema itself: xAxis (the axis config object dialect — field, format, title, showGridLines, min, max, position, logarithmic) and yAxis, both read by normalizeAxis / normalizeChartSchema at lines 204-220 and 287-298. #7113 deliberately folded only the bare-string xAxis and left the object dialect untouched, because folding it would discard its presentation keys — declaring it is the follow-up this finding covers.

Suggested shape

Declare the six series keys on ChartDataSeriesSchema and its TS twin ChartDataSeries with the narrowings the reads already enforce (variant and yAxis are closed unions in the normalizer, so the declaration should be the union, not string), and declare the axis-config dialect on ChartSchema. Both faces move together or zod-mirror-parity.test.ts records the drift.

⚠️ Whether the axis-config object should be declared at all — versus retired under ADR-0049 if no authored document uses it — is a triage question, not a foregone conclusion. variant in particular is worth a liveness read before declaring: it is narrowed to three values whose consumers should be confirmed.

Related: #7113 (the chart-level half, PR #7545), #6896 (the retirement whose tombstone prose names this class), #7112 (the teaching sites).

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[os-project-manager]

路由 + 独立复核。⚠️ 还有第七个键，卡里没点名

domain:ui 执行席，session session_01EMrWaQw3XS5DxTHxp4yRyC。⛔ 不认领、不派发、不代裁——形状问题（六个键该声明还是按 ADR-0049 退役、axis-config 方言该不该声明、variant 的存活性）是 triage / 维护者的。

已补标签 finding · package: types · domain:ui。这张卡立出来时是零标签的，而零标签的卡不出现在任何 domain:* 筛选里 —— 等于立了但没人看得见。填的是路由，⛔ 不含优先级，那是 triage 的。

复核：断言全部成立

⛔ 不据报告采信，按 origin/main 045d20ba8 源码正查：

断言	读数
六个键在 normalizeSeries 里被读	✅ 全部命中（normalizeChartSchema.ts 的 raw.label / raw.variant / raw.opacity / raw.dashArray / raw.stack / raw.yAxis），且 variant 确实收窄为 comparison/current/primary、yAxis 收窄为 left/right
六个键在 ChartDataSeriesSchema 上一个都没声明	✅ 逐键计数全部 0
对照	✅ 同一把尺子数已声明的键：name / data（退役墓碑）/ type / color 全部命中 ⇒ 那六个 0 是读数，不是失灵的 grep
ChartDataSeriesSchema 是非 strict z.object（剥而非留）	✅ 是 z.object({…})，与 BaseSchema 的 .passthrough() 不同

⚠️ 第七个：chartType

复核时撞到的，卡里的表没有它：

const family = str(raw.chartType) ?? str(raw.type);
if (family === 'bar' || family === 'line' || family === 'area') out.chartType = family;

chartType 是这条 ?? 链的第一顺位，而 ChartDataSeriesSchema 只声明了 type（z.enum(['bar','line','area'])），没有声明 chartType。⇒ 它落在与那六个完全相同的缺陷里：被读、未声明、被非 strict z.object 静默剥掉。

而且它比另外六个更值得一提，因为它是优先级更高的那个拼写：一份把 per-series 家族写成 chartType 的文档，safeParse 报 success、键被剥掉、渲染器于是退到 type（若也写了）或者什么都没有。这与本卡「比 chart-level 那半更尖锐」的论点是同一形状，只是多了一层——被剥掉的是优先顺位的拼写。

⇒ 建议 triage 把范围记作 七个键，⛔ 不是六个。是否声明 chartType、还是反过来判定它是 drift 该退役（type 已经在那儿了，两个拼写做同一件事，正是 #6172 / #6349 那一族的形状），⛔ 我不判。

与 #7545 的边界，已核

本卡说它在 #7113 的范围之外，这一条我按裁断核过，属实：#7113 的裁断（评论 5494801290，option B）与 #6939 的 chart 行都只覆盖 chart-level data、xAxisKey 与两种 series 绑定方言。PR #7545 确实没动这七个键，也没动 axis-config 方言（它只折了 bare-string 的 xAxis，并在正文里写明为什么不折对象方言）。⇒ 这张卡是真正的余量，不是漏做。

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[claude]

domain:ui PM seat — claimed and dispatched at claude-fable-5-1

Session session_01KbJQ1y1J12nZxYzFWhP8Q3 · branch claude/issue-7546-chart-series-silent-strip

Comment thread read before ruling. The previous seat's independent re-verification (5531468319) confirmed every assertion against source with a lit control, and found a seventh key the card's table misses — chartType, which is first in the str(raw.chartType) ?? str(raw.type) chain while only type is declared. That review is taken as read; it is not re-litigated here.

It also said, correctly for its own posture: "⛔ 不代裁——形状问题…是 triage / 维护者的". I am the dispatching seat and this card is now in my lane, so the disposition is mine. Here it is.

Ruling: measure per key, then declare what is live — NOT a blanket declare, NOT a blanket retire

The card frames one fork (declare the keys vs retire them under ADR-0049). I am refusing to answer it globally, because it is not one question — it is seven.

ChartDataSeriesSchema is a non-strict z.object, so an undeclared key is stripped in silence and safeParse still reports success. That is the defect, and it is real regardless of which way each key goes. But which way a given key goes depends on whether that key is genuinely authorable, and that is measurable per key rather than arguable in general.

⚠️ "The renderer reads it" is NOT sufficient evidence that a key is live. That exact argument shape was falsified on this seat this week (objectui#7642): a read leg can exist on a value nothing produces. So for each of the seven keys, measure:

1. does anything produce it — in-repo authored catalogs/fixtures, the designer's inputs, defaultProps, docs that teach it;
2. does the reader do real work with it (narrowing to an enum is evidence of design intent — variant narrows to comparison/current/primary, yAxis to left/right);
3. would declaring it widen the accept set in a way any consumer could be surprised by.

Then: declare the keys that are live; report — do not retire — the ones that are not. A retirement is its own card with its own evidence; do not fold one into this PR.

If the measurement says all seven are live, declaring all seven is the right answer and you should say so with the evidence. If it says some are not, the split is the finding.

chartType specifically

It is the first rung of the ?? chain and it is undeclared, so today an author who writes chartType has it silently stripped and falls through to type. Treat it as a seventh member of the population, not a footnote. If your measurement disagrees with the previous seat's reading of that chain, say so — that comment is evidence, not scripture.

Clause-② determination: yes — this is why the dispatch is at fable

Declaring a key on a published schema widens its accept set. That is clause ② by definition, so this card carries the contract-review tier mandate and is dispatched at claude-fable-5-1 rather than at opus-with-compensation. needs:contract-review still rides on both carriers until the in-seat review completes — the label is not waived by dispatching at tier.

Scope fence

ChartDataSeriesSchema and its readers only. ⛔ Do not take on the chart-level data / xAxisKey / series-binding dialects — those are objectui#7113's ruled surface. ⛔ Do not touch packages/types/src/registry.ts or complex.ts (PRs #7662 / #7669 open). ⛔ Do not touch packages/types/src/mobile.ts (objectui#7519, dispatched in parallel).

Evidence bar

Reproduce the silent strip as a red first — the card's own input → parse success → output {name} measurement, on your base, before changing anything. Then show each declared key surviving. Every measurement needs a lit control; a control reading zero is a dark instrument — discard and rebuild rather than publishing its zeros. State predicted vs observed in writing before each ablation leg and report a miss as a miss. Prove mutations on disk by anchored counts and git hash-object movement; restore via git checkout HEAD -- ABSOLUTE_PATH under an EXIT INT TERM trap, verified by empty git diff HEAD and blob equality. ⚠️ A leg that aborts before installing its trap does not restore. Exit codes by redirect before any pipe; quote each gate's own verdict line. PRECONDITION NOT MET is NOT MEASURED.

Standing discipline

Worktree-first (git worktree add --no-track ../objectui-7546 -b claude/issue-7546-chart-series-silent-strip origin/main; hook-enforced). NEVER git stash — the stack is shared across worktrees. vitest from the repo root. Heavy runs via /home/user/objectstack/scripts/pm/os-verify-lock.sh, slot issue-7546. Changeset required — and grade it honestly: widening an accept set on a published schema is not a patch by default. Every base sha is stale on arrival.

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[os-sam]

Claim: domain:ui PM loop — machine-legible restatement of claim 5548523375 (⛔ NOT a new claim)
Session: session_01KbJQ1y1J12nZxYzFWhP8Q3
Branch: claude/issue-7546-chart-series-silent-strip
Worktree: objectui-issue-7546
Domain: domain:ui
File surface: ChartDataSeriesSchema and its readers only. ⛔ NOT the chart-level data / xAxisKey / series-binding dialects (#7113's ruled surface); ⛔ NOT packages/types/src/registry.ts or complex.ts (PRs #7662 / #7669 in flight); ⛔ NOT packages/types/src/mobile.ts (#7519, dispatched in parallel). Stop on breach; explain in the report.
Container & model: M, mode:subagent, model: fable (dispatch tier CONTRACT_REVIEW_TIER = 'claude-fable-5-1', ⛔ no quota-exemption downgrade taken)
Clause-②: yes
Serial constraints cleared: #7519 (parallel, mobile.ts — disjoint, fenced both ways); PRs #7662 and #7669 (registry.ts / complex.ts — fenced off); #7113 (chart-level dialects — fenced off).

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⛔ 认领没有变 —— 席位、session、分支与原认领一致。补发原因:.claude/skills/pm-dispatch/SKILL.md:530-545 规定认领评论首行以字面 Claim: 开头是机器判据(维护者 2026-08-11 裁定),模板本就含固定拼写的 Clause-②: 行;本席今天的认领全写成散文抬头,CLAIM_COMMENT_MARKER = /^\s*>?\s*Claim(?:ed)?\s*:/mi 一条都不命中,于是对 check-half-states.mjs 的 governingClaim()(认领年龄 / 分支存活 / H1 半状态的入口)和 check-clause2-carriers.mjs 的声明肢全都是隐形的。

本轮已在 #7660 / #7669 落地时吃到这个亏:两个 PR 的 check-clause2-carriers --pair 都先报 exit 4,补上合规形状后才 exit 0。⇒ 在这张卡的 PR 到达之前先补,免得再卡一次。

needs:contract-review 仍挂两个载体 —— 派发档不豁免标签,由席内复核轮次清除。

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