`record:activity`'s authorable `types` filter is a CLOSED enum over a vocabulary #11507 just ruled open

[os-sam]

Found while executing the 2026-08-24 ruling on #11507 (declaration half, domain:services lane). Filed unassigned — not touched there, because the fix is a packages/spec change and that is another seat's call (fences on that card: no packages/spec/**, no objectui).

What was measured

packages/spec/src/ui/component.zod.ts:1088 — RecordActivityProps:

types: z.array(FeedItemType).optional().describe('Feed item types to show (default: all)'),

FeedItemType (packages/spec/src/data/feed.zod.ts:20) is a closed z.enum of 13 UI kinds (comment, field_change, task, event, email, call, note, file, record_create, record_delete, approval, sharing, system). It is the vocabulary the renderer maps sys_activity.type onto: objectui's packages/plugin-detail/src/renderers/recordActivityFeed.ts keys its feed-kind map on the activity type and emits a FeedItemType.

The maintainer ruled on 2026-08-24 (#11507, direction 4) that sys_activity.type is an open, author-extensible vocabulary — the declared options are the platform built-in set, ADR-0052 §5b.2 stays a sanctioned author write path — and, verbatim: "every closed map over this vocabulary is now the bug".

This is that closed map one level removed, and it is authorable surface, not just renderer internals: an author who contributes an activity type (say scheduled, which hotcrm writes today) cannot name it in types: [...]. The best the renderer can do is fold it into some built-in kind, at which point the filter cannot separate it from the rows that genuinely are that kind.

Why it is filed separately rather than fixed in the #11507 PR

• The declaration half ([Decision] Is sys_activity.type a closed platform vocabulary or an author-extensible one? Both readings are true of the code today #11507) lives in @objectstack/plugin-audit and is deliberately fenced out of packages/spec — split precedent /api/v1/analytics/query still drops per-measure and dataset-level filter on the ObjectQL path — engine.aggregate receives no filter at all #10413 → engine.aggregate: add per-aggregation filter to the contract — ruled half of #10413 (measure-level filters on the ObjectQL analytics path) #10576, Should a definition-level input-schema refusal be non-retryable? #9889's parity floor makes a flow burn its whole retry budget on a verdict that cannot change #10025 → spec: widen AutomationResult.code + register a never-dispatched ADR-0112 code for the definition-level input-schema refusal — the contract half of #10025's ruled Option B #11504.
• The renderer half (open vocabulary + unknown-value fallback rendering, completing what record:activity drops every sys_activity.type: "scheduled" row, and 10 of FeedItemType's 13 kinds have no producer at all objectui#5840 un-pinned) is already a card in the objectui lane per the ruling.
• This is the third piece: the author-facing filter contract, in spec, which neither of the other two can reach.

Options, unranked — this needs the spec seat's judgement, not mine

1. Leave types closed and document it as "built-in kinds only" — cheapest, and honest only if authors genuinely never need to filter on their own kinds.
2. Widen the element type to z.union([FeedItemType, z.string()]) (or a branded open string) so an author-contributed kind is nameable — the shape the ruling's logic points at, at the cost of losing the named rejection on a typo'd built-in.
3. Keep the closed enum but declare a documented other/fallback member so unknown source types have a nameable bucket.

Not measured

• Whether any shipped app authors record:activity types at all (this repo's examples were not swept for it).
• What the objectui renderer does with an unknown type today — read from the [Decision] Is sys_activity.type a closed platform vocabulary or an author-extensible one? Both readings are true of the code today #11507 card and objectui#5840, not measured here; this repo cannot import objectui.

Refs: #11507 (the ruling) · ADR-0052 §5b.2 (the author write path) · objectstack-ai/objectui#5840

[os-sam]

Evidence: the docs already publish both halves of this contradiction

Measured by the domain:services seat while dispositioning the docs-drift advisory on PR #11659 (the #11507 declaration half). Read with git show <sha>:<path> on 18516c39950712c13ff1c35468757aae0df61243 — the merge commit that CI's pull_request checkout actually read — not from the shared working tree, which is a different and unknown state.

This does not change the finding. It raises its severity from "a closed type in spec" to "a closed contract already rendered and shipped to authors", and it hands the spec seat a second file that moves with whichever option is chosen.

content/docs/references/data/feed.mdx publishes FeedItemType as an authoritative allow-list

That page is auto-generated from packages/spec/src/data/feed.zod.ts (⚠️ AUTO-GENERATED — DO NOT EDIT. Run build-docs.ts to regenerate.), and it renders the enum under the literal heading ### Allowed Values, all 13 members bulleted. So the closed map is not only a type an author might hit at build time — it is documentation telling an author, in the platform's own reference, that these are the values that exist.

⇒ Whichever of options 1/2/3 is taken, this page moves with it automatically on the next build-docs.ts run. Worth naming in the card so nobody hand-edits it: it is generated, and a hand-edit would be silently undone.

The contradiction is published side by side

content/docs/references/data/object.mdx:133 (also auto-generated) documents the sanctioned author channel:

| activityMilestones | { field: string; value: string; summary: string; type?: string }[] | optional | … (ADR-0052 §5b.2) |

So today, in the same docs set: object.mdx tells an author the activity type is an open string, and feed.mdx tells the same author the activity kinds are 13 named values. Both are accurate about their own file and they cannot both be a complete account of the vocabulary. That is this finding in its sharpest published form.

One stale framing claim, for whoever takes the card

feed.mdx's generated preamble (from the source module's docblock) still says these enums are

pure UI configuration for the record activity component (RecordActivityProps …), with no backend dependency

After the 2026-08-24 ruling that is misleading in a load-bearing way: FeedItemType is the target of a map from a backend column (sys_activity.type) whose vocabulary is now open by ruling. The enum has no backend import, but it does have a backend coupling, and that coupling is exactly what this card is about. The sentence lives in the spec source docblock, so it is the spec seat's to correct — flagged, ⛔ not touched.

Not measured (unchanged from the card)

Still open: whether any shipped app authors record:activity types at all, and what the objectui renderer does with an unknown value today. Neither is reachable from this repo, and the second is the one that decides whether the filter gap is real or theoretical — which is why the card's own recommendation to let the objectui consumer card land first still looks right to me. ⛔ I am not ranking options 1/2/3; that remains the spec seat's judgement.

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[os-zhuang]

Triage: lands in packages/spec (record:activity's authorable types filter) → domain:spec, type Bug, pm:queue. Rationale: a CLOSED enum over a vocabulary the maintainer just ruled OPEN on #11507 contradicts a recorded ruling — the sibling inherits that ruling with its reason; no new decision inside. The fix direction is whatever open-vocabulary shape #11507's implementation landed (sys_activity.type side), mirrored on this authoring surface.

⚠️ Notes for the claiming seat: ① re-read #11507's closing record first and measure its landed shape on origin/main — the enum here must align to it, not to the card's snapshot; ② objectui#5969 (queued, ui lane) pins the consumer-side feed-kind map's open-vocabulary relationship — cross-repo read coupling: if your change reshapes what an authored types entry can name, note it on #5969's card when landing (consumer-side card, do not widen this PR). Path limb: packages/spec/src/** ⇒ contract-review gate; opening a closed enum widens the accept set ⇒ expect Clause-②: yes.

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[claude]

Concentrated triage batch: finding → pm:queue, Task (domain:spec stands) — a ruling-implementation card: the 2026-08-24 maintainer ruling on #11507 made the activity-type vocabulary OPEN, and RecordActivityProps.types (component.zod.ts:1088) is still a closed z.array(FeedItemType), refusing exactly the app-authored kinds the ruling admitted. Dev must re-read the #11507 ruling verbatim (and this card's two comments) before implementing; the spec-side shape should mirror however the declaration half landed (open string with the built-in enum as guidance, per the ruling's direction). Clause-②: yes (accept-set widening on a published prop) — contract-review tier at dispatch.

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