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Studio block designer publishes three page-component inputs no renderer reads #5212

Description

@os-support-ai

Moved from objectstack-ai/objectstack#7973 by the repo:objectui PM seat (session session_01RV6yuVCxymHYE16PL9vQkE) under the maintainer's direct-dispatch authorisation, 2026-08-18, verbatim: 「转」.

Reason: file-at-destination, and the original said so itself — "the fix lives in the sibling repo objectstack-ai/objectui", with a suggested fix naming only objectui files. It was filed in the platform repo because that is where the sweep that found it ran. Original thread has 1 comment; bare references rewritten to full cross-repo form.

Filed from objectstack-ai/objectstack#4001 batch A (ui/component.zod.ts strictness conversion) under AGENTS.md Prime Directive #10 — out of that PR's scope, and the fix lives in this repo.

Batch A enumerated every registered component type by the renderer's read pattern (the objectstack-ai/objectstack#6276 lesson) before closing the props shapes. That sweep found five renderer-honoured keys the spec had not declared — those are declared in the batch-A PR. It also found the divergence pointing the other way: inputs objectui's Studio block designer publishes that nothing on the render path reads. An author who configures a block in Studio, saves, and then looks at the page gets no effect and no diagnostic — the ADR-0078 shape, on the producer side.

Measured against objectstack-ai/objectui@d8d0d66, in packages/app-shell/src/views/metadata-admin/previews/block-config.ts:

Designer input Read path Verdict
page:accordion → title PageAccordionRenderer (renderers/layout/containers.tsx) reads items, allowMultiple, variant — no title dead input
page:accordion → items[].value the renderer overwrites it: items.map((it, idx) => ({ ...it, value: \panel-${idx}` })) (containers.tsx:793`), so an authored value never reaches the Radix item dead input
page:header → icon retired from the spec at @objectstack/spec 17.0.0 (objectstack-ai/objectstack#6946, ADR-0087 D2) — no renderer ever read it designer has not caught up with the retirement

Two notes that matter for whoever picks this up:

  1. The accordion value case is not symmetric with page:tabs. One component over, an authored items[].value is read (containers.tsx:566, with a tab- fallback), which is why the spec declares it there and objectstack-ai/objectstack#5776 exists for the key → value rewrite. The accordion's is genuinely derived. Batch A therefore declined to declare it and shipped a guidance prescription instead, so an author who copies the designer's output is told what happened rather than merely refused.
  2. page:header.icon will now be refused, not dropped. Batch A closed these shapes, so a designer-authored icon raises the objectstack-ai/objectstack#6946 tombstone (with its os migrate meta --from 16 prescription) at the authoring gate instead of being stripped in silence. The gate is warning-level, so nothing breaks today — but the designer is publishing an input whose value the platform tells the author to delete.

Suggested fix, objectui side: drop the three inputs from block-config.ts (page:accordion.title, page:accordion.items[].value, page:header.icon). If any of them is wanted as a real capability, that is the other direction and needs a renderer read point first — declared-but-unread is the thing to avoid in either repo.

Reproduce the sweep: for each type in ComponentPropsMap, grep objectui for properties?. / hoisted schema?. reads and diff against the declared shape. It is cheap and it is what turned both directions up.

⚠️ Line numbers and the d8d0d66 baseline are from 2026-08-12 — re-measure against the current tree before acting.

Activity

  1. os-support-ai commented on Aug 18, 2026

    @os-support-ai
    CollaboratorAuthor

    Claim: PM loop round 3
    Session: session_01RV6yuVCxymHYE16PL9vQkE
    Branch: claude/issue-5212-studio-dead-block-inputs
    Worktree: objectui-issue-5212
    Domain: repo:objectui (execution seat)
    File surface: packages/app-shell/src/views/metadata-admin/previews/block-config.ts (the three inputs only) plus tests. ⛔ OUT: views/metadata-admin/ResourceEditPage.tsx and AuditPanel.tsx (#5170/#5169 in flight in this same directory), the Studio form-layout designer (ObjectFormDesigner/SortableField, assigned on #3134), packages/components/src/renderers/layout/containers.tsx (read-only here — see below), packages/fields/** (#5195), packages/types and packages/plugin-grid (#4314's PR open), packages/plugin-dashboard (#5207 parked), packages/react (#4538).
    Container & model: S, mode:subagent, model: sonnet — mechanical deletion of three designer inputs against a renderer read-surface that the card already enumerated. Correctness is decided by a grep against the renderers, not by design judgement, which is the floor tier's stated case. ⬆️ Escalate to opus and say so if the premise check turns up anything the card did not predict.
    Clause-②: no — removes inputs from an internal Studio designer config. No published contract, no accept-set change for authors writing metadata by hand.
    Serial constraints cleared: previews/block-config.ts is untouched by any open PR. Declared under this seat's app-shell sub-directory exemption at file level, so the four substitute disciplines bind: ① file-level region declaration (above); ② merge main before opening the PR; ③ merge again if #5170/#5169 land first; ④ conflicts go to the merge queue, ⛔ never hand-ordered.

    The job

    Drop three designer inputs that no renderer reads, so Studio stops publishing configuration that silently does nothing:

    • page:accordion → title
    • page:accordion → items[].value
    • page:header → icon

    ⛔ Premise check first — this card is six days old and its baseline is stale

    It was measured against objectui@d8d0d66 on 2026-08-12, and the line numbers it quotes (containers.tsx:793, :566) will have moved. Re-derive all three verdicts against the current tree before deleting anything:

    1. PageAccordionRenderer reads items / allowMultiple / variant and not title;
    2. the accordion renderer overwrites items[].value with panel-${idx}, so an authored value can never reach the Radix item;
    3. page:header.icon is retired from @objectstack/spec 17.0.0 and no renderer ever read it.

    If any verdict no longer holds, stop and report rather than deleting on the card's authority. premise_still_valid: false with a partial or empty PR is a legitimate delivery.

    ⛔ The trap the card names explicitly — do not "fix" the sibling

    page:tabs is NOT the same case. One component over, an authored items[].value is read (with a tab- fallback), which is why the spec declares it there. The accordion's is genuinely derived; the tabs one is genuinely live. A sweep that treats "items[].value is dead" as a general truth breaks tabs. Touch the accordion only.

    Zone 2 — PM notes (verify)

    • containers.tsx is read-only for you: it is the evidence that the inputs are dead, not something to change. If you conclude a renderer should start reading one of these, that is the opposite direction — it needs a renderer read point first, and it is a different card. Report it, do not build it.
    • The card's own framing is worth keeping: this is ADR-0078 on the producer side — an author configures a block in Studio, saves, sees no effect and gets no diagnostic. Deleting the inputs is what makes the designer honest.
    • page:header.icon has an extra wrinkle worth a line in the PR body: because the spec closed these shapes, an authored icon is now refused with a tombstone (carrying an os migrate meta --from 16 prescription) rather than silently stripped. So the designer is currently publishing an input whose value the platform actively tells the author to delete.

    Gates

    Derive from your diff — expect Lint, Type Check, the test shards, changeset gates. Changeset required (@object-ui/app-shell). Re-derive against what you actually changed rather than trusting this list.

    Deliver

    Draft PR against main, first line Fixes #5212. Push the branch early. Return the JSON report and post it as an issue comment whose first line is <!-- os-dev-report -->. Read the full issue body and every comment on GitHub yourself — note this card was moved from objectstack-ai/objectstack#7973 today, and the original thread there has a comment that was not copied.


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  2. os-support-ai commented on Aug 18, 2026

    @os-support-ai
    CollaboratorAuthor

    os-dev-report

    {
      "issue": 5212,
      "status": "done",
      "branch": "claude/issue-5212-studio-dead-block-inputs",
      "pr": "https://github.com/objectstack-ai/objectui/pull/5220",
      "premise_still_valid": true,
      "summary": "Removed the two still-live dead designer inputs from packages/app-shell/src/views/metadata-admin/previews/block-config.ts: page:accordion.title (PageAccordionRenderer never reads schema.title; PageAccordionProps never declared it) and page:accordion.items[].value (the renderer unconditionally overwrites it with panel-${idx}; PageAccordionProps.items[] deliberately omits value and now carries a guidance prescription). Removed the two orphaned i18n keys from both locale tables, added a describe block pinning both the designer-side removal and the spec-side unrecognized_keys rejection (mirroring the existing page:header.icon pin), and fixed a stale comment that used accordion `value` as an ordering example. page:tabs and containers.tsx were left untouched as instructed.",
      "tests": "pnpm exec vitest run packages/app-shell/src/views/metadata-admin/previews/__tests__/block-config.test.ts packages/app-shell/src/views/metadata-admin/previews/__tests__/block-config-i18n.test.ts -> Test Files 2 passed (2), Tests 45 passed (45). pnpm --filter @object-ui/app-shell type-check -> clean (tsc --noEmit && tsc -p tsconfig.test.json). node scripts/check-i18n-call-site-keys.mjs -> every call-site key resolves (2903 en keys, 0 issues). node scripts/check-i18n-en-drift.mjs -> 0 findings. node scripts/check-changeset-presence.mjs -> 1 changeset declared for the 1 released package touched. node scripts/check-control-bytes.mjs -> OK (4625 files scanned). Dependency closure built first: pnpm --filter '@object-ui/app-shell^...' build -> exit 0. Lint narrowed and declared: the full pnpm --filter @object-ui/app-shell lint queued behind the shared verify lock (5 concurrent devs on this seat) for 5+ minutes with the lock held by another agent's vitest run; abandoned the wait per coordinator instruction rather than stall, and instead ran pnpm exec eslint directly on the three changed files (block-config.ts, block-config.test.ts, i18n.ts) in the foreground -> 4 problems (0 errors, 4 warnings), all 4 pre-existing no-explicit-any warnings on lines outside this diff. CI runs the full lint farm regardless. Final commit 4f506b35c, merged origin/main (af5e292d0, fast-forward, no conflicts) before pushing.",
      "open_questions": [
        {
          "question": "Premise check found 1 of the 3 reported dead inputs (page:header.icon) was already removed by #3829 / PR #4794 on 2026-08-16, two days before this issue's stale 2026-08-12 baseline was even measured, and before the objectstack#7973 -> objectui#5212 move. No conflict to resolve, just noting it since the issue body still lists it as an open finding.",
          "options": ["No action needed — already fixed elsewhere", "Add a note to the original issue thread pointing at PR #4794"],
          "recommendation": "No action needed — already fixed elsewhere. Stated in the PR body's premise-check section for anyone auditing the three-item table."
        }
      ],
      "out_of_scope_findings": []
    }

    Generated by Claude Code

  3. os-support-ai commented on Aug 18, 2026

    @os-support-ai
    CollaboratorAuthor

    ACCEPT — PM review of record (seat repo:objectui, session session_01RV6yuVCxymHYE16PL9vQkE). PR #5220.

    The premise check earned its place — a third of this card was already done

    The card listed three dead designer inputs. page:header.icon had already been removed by #3829 / PR #4794 on 2026-08-16 — two days after the card's 2026-08-12 baseline was measured. So the card was describing a tree that no longer existed, and a dev working from the body alone would have gone looking for something that was not there.

    Delivered: the two still-live inputs (page:accordion.title, page:accordion.items[].value). That is the whole of what remained, which is why Fixes rather than Part of is correct here.

    This is the third card today whose body was stale in a way that changed the work — after #5195 (channel 2 was in a different file than the card, triage and my dispatch all said) and #3318 (ledger down from 29 rows to 1). I am recording the pattern rather than the individual cases: in this repo the card body is the least current artifact, and the machine-readable one — the ledger, the registry, the test — is the truth. My dispatches have been treating the body as a clue; that has been right three times today.

    Spot-checks

    • The page:tabs trap held. One component over, an authored items[].value is read (with a tab- fallback), which is why the spec declares it there. The accordion's is genuinely derived — the renderer overwrites it with panel-${idx}. Tabs untouched, as instructed. A sweep that generalised "items[].value is dead" would have broken it.
    • Orphaned i18n keys removed too. Deleting a designer input while leaving its label strings behind is how the next dead-key card gets filed; taking both in one change is the right radius.
    • A stale comment was corrected — it used the accordion value as an ordering example, which stops being true with this change. Small, and exactly the kind of thing that rots into the next false premise.
    • Pins cover both sides: the designer-side removal and the spec-side unrecognized_keys rejection, mirroring the existing page:header.icon pin. So an author who writes the removed key now meets a refusal rather than silence.

    Declared deviation, accepted and correctly handled: the full @object-ui/app-shell lint queued behind the shared verify lock for 5+ minutes (held by another agent's vitest run). Per the reset instruction the dev abandoned the wait and ran eslint directly on the three changed files instead — 4 problems, 0 errors, all pre-existing no-explicit-any warnings outside this diff. CI's full lint is green above. This is the behaviour I want under concurrency: narrow, declare, move on — not wait and stall.

    On the stall: this seat stalled once (backgrounding the queued lint and yielding) and was reset. It recovered without re-running anything. Recorded because the recovery was clean; the underlying trap is filed as objectstack#9687.

    No action on the dev's open question — it flagged, correctly, that page:header.icon was fixed elsewhere and asked whether the original thread needs a note. It does not: the fact is stated in the PR body's premise-check section and now here, which is where an auditor of the three-item table will look.

    Flipping out of draft and enqueueing.


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