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fix(spec): gen:schema io:'input' fallback + disappearance ratchet — restore PageTabsProps (#2978) - #3012
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…hemas (#2978) PageTabsProps vanished from json-schema/ when #2967 added an ExpressionInputSchema (.transform) field — zod's toJSONSchema cannot represent transforms in the default output mode, and build-schemas.ts silently skipped it, so the next gen:docs run would have deleted the published PageTabsProps reference section. Two-part fix: 1. io:'input' fallback — when output-mode conversion fails on a transform, retry with io:'input'. These JSON Schemas describe what authors WRITE, and the input side of a transform pipe is plain data, so it is representable (for PageTabsProps.visibleWhen it emits the correct `anyOf: [string, expression envelope]` authoring shape). Rescued schemas are marked `x-io: "input"`. This restores PageTabsProps and 149 other transform-blocked public contracts (ObjectSchema, FieldSchema, FlowSchema, PageSchema, ActionSchema, …); only 18 truly unrepresentable schemas (function/Date/BigInt/custom) remain skipped. 2. Disappearance ratchet — json-schema/ is gitignored, so the committed json-schema.manifest.json records every schema key ever emitted. A key present in the manifest but absent from a build now fails gen:schema loudly with remediation steps; deliberate retirements must remove the key in the same PR. Silent skip remains only for types that have never been representable. Also escape literal `|` in the description cell of generated property tables (build-docs.ts) — rescued schemas surfaced descriptions with pipes that split GFM table rows. Closes#2978 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Fn6qMKtJeVbs2KzouWDHhB
gen:docs over the post-fix json-schema/ output. PageTabsProps keeps its section (now including the visibleWhen items shape from #2967), and the 149 schemas rescued by the io:'input' fallback gain reference sections — previously delivered-but-undeclared contracts (Prime Directive #10). Existing table rows with literal pipes in descriptions are re-emitted with GFM escaping. Verified: `pnpm docs:build` compiles all regenerated MDX. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Fn6qMKtJeVbs2KzouWDHhB
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📓 Docs Drift CheckThis PR changes 1 package(s): 97 hand-written doc(s) reference the affected code and may need an implementation-accuracy re-verification:
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- build-schemas.ts: read the ratchet manifest directly and treat ENOENT as first-run bootstrap instead of existsSync-then-read (TOCTOU). - build-docs.ts: escape backslashes before pipes in table-cell descriptions — an existing `\|` would otherwise decay into an escaped backslash followed by a live pipe, splitting the GFM cell. No output changes: regenerated json-schema/ and references/ are byte-identical. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Fn6qMKtJeVbs2KzouWDHhB
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Jul 16, 2026
Conflict resolution: content/docs/references/ui/view.mdx (auto-generated) regenerated via gen:docs on the merged tree; api-surface.json auto-merge verified identical to regenerated output; json-schema.manifest.json (disappearance ratchet, #3012, new on main) picks up +ui/FormButtonConfig. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_013Ue47V8zZ5QhcYMPiRQDA7
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Fixes#2978.
Problem
#2967 added an
ExpressionInputSchemafield (items[].visibleWhen) toPageTabsProps. That schema contains a.transform(string shorthand →{dialect, source}envelope), which zod'stoJSONSchemacannot represent in the default output mode, sobuild-schemas.tssilently skipped it.json-schema/ui/PageTabsProps.jsondisappeared, and the next fullgen:docsrun would have deleted the published PageTabsProps section fromcontent/docs/references/ui/component.mdx.It turned out to be a whole class, not a one-off: 150 schemas (ObjectSchema, FieldSchema, FlowSchema, PageSchema, ActionSchema, …) were already transform-blocked and absent from
json-schema/— delivered but not declared.Fix (
packages/spec/scripts/build-schemas.ts)io: 'input'fallback — when output-mode conversion fails on a transform, retry withio: 'input'. These JSON Schemas describe what authors write, and the input side of a transform pipe is plain data, so it is representable. ForPageTabsProps.visibleWhenthis emits the correct authoring shape:anyOf: [string (CEL shorthand), expression envelope]. Rescued schemas carry anx-io: "input"marker (author-time shape: parse-time transforms/defaults not applied). Result: 1849 schemas generated (150 as input shape); only 18 truly unrepresentable ones (function/Date/BigInt/custom) remain skipped.Disappearance ratchet —
json-schema/is a gitignored build artifact, so a new committedpackages/spec/json-schema.manifest.jsonrecords every schema key ever emitted (mirrors thespec-livenessratchet pattern). A key present in the manifest but not emitted by a build now failsgen:schemaloudly with remediation steps; deliberate retirements must remove the key in the same PR. New schemas are auto-appended (commit the manifest change). Silent skip is now reserved for types that have never been representable — exactly the boundary gen:schema silently drops PageTabsProps since #2967 — references regen would delete real docs #2978 asked for.build-docs.tspipe escaping — rescued schemas surfaced descriptions containing literal|, which split GFM table cells (the type column already escaped pipes; the description column didn't). Descriptions in property tables are now escaped.Docs regen (
content/docs/references/)Full
gen:docsover the fixed output (the regen that was unsafe before this fix):PageTabsPropskeeps its section — the regression the issue predicted is gone;automation/control-flow,integration/connector-auth,integration/mapping,shared/mapping);Verification
pnpm --filter @objectstack/spec gen:schema→Generated: 1849 (150 as input shape),json-schema/ui/PageTabsProps.jsonpresent withanyOfauthoring shape forvisibleWhen;pnpm --filter @objectstack/spec gen:openapiunaffected;pnpm docs:buildcompiles all regenerated MDX.🤖 Generated with Claude Code
https://claude.ai/code/session_01Fn6qMKtJeVbs2KzouWDHhB
Generated by Claude Code