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docs(automation): document ADR-0031 control-flow constructs; fix dangling reference card - #1497
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- guide (content/docs/guides/metadata/flow.mdx): document the structured loop container, parallel block (implicit join), and try/catch/retry constructs with config examples and the region/DAG-invariant model; update the Node Types table. - doc generator (packages/spec/scripts/build-docs.ts): only emit index Cards for reference pages that were actually generated. control-flow's schemas embed CEL-expression transforms (like Flow/FlowEdge) so produce no JSON-Schema page; the index previously carded every .zod.ts file, yielding a dangling "Control Flow" 404 link. Cards now match meta.json. https://claude.ai/code/session_012ti8cx3TkdiQdjCnZXZg2Q
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The docs site build (Vercel apps/docs) was failing on every branch off main:
./content/docs/references/kernel/manifest.mdx
Unexpected character `5` (U+0035) before name (MDX)
A zod `.describe()` carries a SemVer range `">=4.0 <5"`; the generator's
`escapeMdxDescription` only wraps `<`/`{` when it finds a matching `>`/`}`, so
the lone `<5` slipped through raw and MDX parsed it as the start of a JSX tag,
failing `next build` for the whole site.
Escape a lone `<`/`{` (no matching close) as inline code. Verified: the full
`apps/docs` build (gen:schema && gen:docs && next build) now compiles and
prerenders all 1089 pages.
https://claude.ai/code/session_012ti8cx3TkdiQdjCnZXZg2Q…ontrol-flow # Conflicts: # packages/spec/scripts/build-docs.ts
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June 2, 2026 00:45
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The structured control-flow constructs (loop/parallel/try-catch) and the BPMN interop mapping are implemented and merged (#1482, #1489, #1499, #1500; docs #1497). Flip ADR-0031 from Proposed to Accepted and record the implementing PRs and the deferred follow-ups (#1504 BPMN XML plugin, #1505 region step logs). https://claude.ai/code/session_012ti8cx3TkdiQdjCnZXZg2Q Co-authored-by: Claude <noreply@anthropic.com>
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Follow-up to the ADR-0031 work (#1482 loop, #1489 parallel): documentation for the structured control-flow constructs, plus two doc-generator fixes — one of which un-breaks the docs site build on
main.Changes
1. Flow authoring guide —
content/docs/guides/metadata/flow.mdx(hand-written)Adds a "Structured control flow (ADR-0031)" section documenting the
loopcontainer (config.body, iterator/index vars,maxIterations),parallelblock (config.branches[], implicit join), andtry/catch/retry(config.try/catch/retry), with config examples and the region / DAG-invariant model. Updates the Node Types table (loopreframed as a container; newparallelandtry_catchrows).2. Doc generator (
packages/spec/scripts/build-docs.ts) — docs-build fix 🔧The docs site (Vercel
apps/docs) was failing on every branch offmain:A zod
.describe()carries a SemVer range">=4.0 <5";escapeMdxDescriptiononly wrapped</{when it found a matching>/}, so the bare<5slipped through and MDX parsed it as the start of a JSX tag, failingnext buildfor the whole site. Now a lone</{(no matching close) is escaped as inline code.Verified locally: the full
apps/docsbuild (gen:schema && gen:docs && next build) compiles and prerenders all 1089 pages.3. Doc generator — dangling-card fix
The index now cards only reference pages that were actually generated. Control-flow's schemas embed CEL-expression transforms (like
Flow/FlowEdge) → no JSON-Schema page; the index previously carded every.zod.ts, producing a dangling "Control Flow" 404 link. Cards now align withmeta.json.Notes
references/**snapshots are intentionally left untouched (they regenerate at site build); this PR is generator + guide source only.uniquevalidation on sys_user #1492 too — those branches inherit the same brokenmaindocs build. This PR fixes it at the source.https://claude.ai/code/session_012ti8cx3TkdiQdjCnZXZg2Q