feat(spec): add SelectOption.visibleWhen; generalize Field.dependsOn (objectui#2284)#2635
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Add a per-option CEL visibility predicate `SelectOption.visibleWhen` for
select/multiselect/radio fields — the option is offered only when TRUE,
evaluated against the live record + `current_user` (same binding environment as
a field-level `visibleWhen`). Expresses cascading/dependent options
(`record.country == 'cn'`) and role/context gating
(`'admin' in current_user.roles`) without a bespoke dependent-picklist matrix.
Shared by `Field.options` and view `FormField.options`. Generalize the
`Field.dependsOn` description to be mechanism-neutral (declares dependent
sibling fields for both lookup candidate-scoping and select option gating);
`{field,param}` stays lookup-only.
Client-side hiding is UX only — authorization-gated values must be rejected
server-side by the rule-validator.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019aYFm77ddLp6tzuJjt9hK2
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📓 Docs Drift CheckThis PR changes 1 package(s): 94 hand-written doc(s) reference the affected code and may need an implementation-accuracy re-verification:
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July 5, 2026 13:01
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Spec change enabling cascading & role-gated
selectoptions in ObjectUI (objectstack-ai/objectui#2284). Companion renderer PR: objectstack-ai/objectui#2289.What
SelectOption.visibleWhen— a per-option CEL visibility predicate forselect/multiselect/radio. The option is offered only when TRUE, evaluated against the live record +current_user(same binding environment as a field-levelvisibleWhen). Expresses cascading/dependent options (record.country == 'cn') and role/context gating ('admin' in current_user.roles) without a bespoke dependent-picklist matrix. BecauseField.optionsand viewFormField.optionsshareSelectOptionSchema, both layers gain it from one change.Field.dependsOndescription generalized to be mechanism-neutral: it declares the sibling field(s) a field's available values depend on (gating + re-evaluation), for both lookups (candidate-query scoping) and selects (per-optionvisibleWhengating). The{field,param}form stays lookup-only. Type unchanged.Why this shape
A dependent-picklist matrix (
validFor/controllingField) is cascade-only and can't express role/tenant/context gating; it also adds a new serializable concept authors and AI must learn.dependsOn+visibleWhenare existing primitives — uniform with dependent lookups, maximally expressive (multi-field,current_user), and easy to author/read. See the design discussion in objectui#2284.Security
Client-side hiding is UX, not authorization — option
visibleWhenonly hides the choice in the UI; the value is still submittable. Authorization-gated values must also be rejected server-side (the rule-validator evaluates the picked value'svisibleWhen). Noted in the field doc-comment.Tests
Full
@objectstack/specsuite passes (6700).SelectOptionSchemagains an optional field (backward-compatible);pnpm buildsucceeds.🤖 Generated with Claude Code
https://claude.ai/code/session_019aYFm77ddLp6tzuJjt9hK2
Generated by Claude Code