[finding] `ComponentInput.label` and `ComponentInput.advanced` have no production reader — the two remaining keys the manifest serializer does not forward, the same class as #5905 and the `defaultValue` census on #7493

[os-justin]

Filed unassigned, as an out-of-scope observation, by the dev subagent of the domain:spec @ objectui PM seat (PM session session_01BAZFhALsQsGqxui8sNqM8s) while running the reader census #7493 item ① ordered. Measured, not fixed. finding, no pm:queue — this is a disposition question of #5905's class, not a task. Attribution: generated by Claude Code, session https://claude.ai/code/session_01BAZFhALsQsGqxui8sNqM8s.

Measured on origin/main 669d71bf

ComponentInput (packages/types/src/base.ts) has nine writable keys after #5905's five tombstones: name, type, label, defaultValue, required, enum, description, advanced, plus binding if #6950 declares it. The manifest serializer forwards exactly six of them (packages/sdui-parser/src/index.ts:153-160: name, type, required, enum, binding, description). The three it does not forward are label, defaultValue and advanced. The defaultValue census is posted on #7493 and reaches the same conclusion for that key; this card records the other two.

Instrument — every non-test consumer of ComponentMeta.inputs, and what each reads

The reader question was settled structurally rather than by grepping the key name: enumerate every path that reaches a ComponentMeta.inputs array outside tests, then read what each does with an entry.

consumer	what it reads from an input
packages/sdui-parser/src/index.ts:153-160 (manifestFromConfigs)	the six forwarded keys; label / advanced / defaultValue dropped
packages/sdui-parser/src/codegen.ts and validate.ts	operate on the manifest shape; its boundary type RegistryConfigLike.inputs (index.ts:70-84) has no label / advanced / defaultValue slot at all
packages/core/src/registry/Registry.ts:392-394 (withElementDataSourceInput, the ElementDataSourceGate seam)	input?.name only
packages/core/src/registry/WidgetRegistry.ts:175-184	a WRITE — copies label, defaultValue, advanced from WidgetInput onto the synthesized ComponentInput; WidgetInput.label / .advanced have no reader either
packages/components/src/renderers/layout/page.tsx:463-465	forwards meta?.inputs verbatim into manifestFromConfigs (the serializer above)
getPublicConfigs() callers — packages/sdui-parser/scripts/gen-manifest.ts:20, apps/console/dev/manifest-dump.tsx:41, packages/components/src/renderers/layout/react-page.tsx:75	the serializer, or { type, isContainer }
packages/plugin-designer/**, packages/app-shell/** inspectors	read NO registry meta.inputs at all — the designer's PropertyEditor never consults ComponentMeta; the .inputs hits there are cn(...inputs) and flow-simulator variables

So no consumer reads any key outside the six forwarded ones. Receiver-shaped greps agree: (i|input|inp).advanced outside tests returns 1 hit, the WidgetRegistry copy; (i|input|inp).label outside tests returns 7, six on flow/metadata items in app-shell (a different type) and the WidgetRegistry copy. Test files: zero reads of .label or .advanced on an input receiver (unlike defaultValue, which has 12 test-pin reads in 9 files — see #7493).

Controls on the same instrument, same tree: .binding returns 8 hits including the serializer, codegen.ts:152 and validate.ts:82-83 readers; .enum on an input receiver returns 3 reader hits in sdui-parser (codegen.ts:109, index.ts:157, validate.ts:157). The instrument sees readers of forwarded keys.

Authorship (a depth-1 bracket-balanced scan over every inputs: array — 129 files, 211 arrays, 957 input objects)

label 908 · advanced 9 · defaultValue 245 — controls in the same pass: name 951, type 951, description 193, enum 119, required 86, binding 4. label is written on nearly every registration and read by nothing; advanced is written nine times and read by nothing.

Sibling objectstack at d701e65: zero ComponentInput references. Authorship from outside the repositories is not measurable from here (the limit #5674 and #5905 recorded).

Not pre-judged

The same three dispositions #5905 listed: retire under enforce-or-remove (tombstone both faces via retirementTombstone(), deleting 908 label writes is the cost), forward (teach the serializer — refused on record for inputType in #5905, "a write nothing reads is not demand for a feature", and the 2026-08-17 expression-ceiling ruling on type is untouched by this), or keep as deliberate designer-facing surface with a docblock saying so. The three non-forwarded keys are one decision: whichever way #7493's re-route rules for defaultValue should apply to label and advanced in the same stroke, or say why not.

Refs: #7493 · #5905 · #6950 · #5674.

[os-justin]

Maintainer ruling recorded — this card's two keys ride #7493's ruling: A, retire. Recorded by the domain:spec @ objectui execution seat, session session_01BAZFhALsQsGqxui8sNqM8s, 2026-09-06T02:32Z. Provenance (who / verbatim / where): the maintainer (os-justin), live PM chat with this session, replying to decision batch 2 of 2026-09-05T23:1xZ — this card was folded into item 9 as tabled ("三键同一裁决"). Verbatim reply: 「第二批(4 项,契约形状族) 帮我处理，全部同意」.

ComponentInput.label (908 authoring sites) and ComponentInput.advanced (9) are retired on both faces together with defaultValue, under ADR-0049 enforce-or-remove: the manifest serializer forwards six keys and none of these three, no consumer of ComponentMeta.inputs reads them, and this card's own structural census with its .binding / .enum positive controls is the second independent measurement of that zero. The work is dispatched on #7493 item ① this round (mode:subagent, model: fable = CONTRACT_REVIEW_TIER, Clause-② yes); the delivering PR may split by key — label's volume is allowed its own PR — and closes this card.

⛔ This seat does not grade or lane this card; it remains triage's to label if it wants a record before the PR closes it.

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Generated by Claude Code

[os-zhuang]

Contract review (clause ②) on PR #7932 at head b64d033b (Refs #7493 item ①, Fixes this card): PASS on content, landing on green — director seat (objectstack #12708), session_01TezFG8ZMrNH6n5VTNpPpdH, 2026-09-06T03:45Z, verdict 5556699068 on the PR. Ruling A executed on both faces (tombstones, route measured on the built face); needs:contract-review stripped from the PR (this card carried none). Six checks were still in progress at review time; landing (ready + auto-merge SQUASH, 0 of 130 governed paths) from this seat once every check is green. The sections-line collision with PR #7685 is declared on #7122 and left to the merge queue.

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Generated by Claude Code