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Split docs/DESIGN.md into one file per section #5948

Merged opened this

Check · Review · Land · Live done — Landed and live in production.

Merged

Every `##` and `###` section of `docs/DESIGN.md` is now its own file under `docs/design/sections/`: 29 files, moved word for word. `docs/DESIGN.md` keeps its intro and links each section in order. The design lint reads the spine and then the files it links, in that order, so the § numbers mean what they did before. No rule changes.

shipped production is serving it deploy 8a17a37

opened this

Every ## and ### section of docs/DESIGN.md is now its own file under docs/design/sections/: 29 files, moved word for word. docs/DESIGN.md keeps its intro and links each section in order. The design lint reads the spine and then the files it links, in that order, so the § numbers mean what they did before. No rule changes.

What moved where

  • docs/design/sections/<n>-<slug>.md, one file per heading. §5d, the register most pulls edit, is 5d-page-local-classes.md. Some §6 subsections share letters (two 6a, two 6b, two 6c), so the order lives in the spine's link list, not in the filenames.
  • scripts/design-lint.ts: adds sectionLinks(spine) and designText(root). The command line uses designText where it used to read docs/DESIGN.md directly. compare, documentedClasses and registeredClasses are unchanged.
  • test/design-lint.test.ts: the tests that read the real tree now use designText("."). Three new tests check that:

- the spine links every section file exactly once, and each link is a real file; - §5d is read inside §5 and before §6; - neither the spine nor any section carries merge conflict markers.

  • README.md and docs/design/areas/README.md say where the sections live and where §5d now is.

Checked

  • The original file and the joined sections are identical once blank lines and --- rules are ignored.
  • The documented and registered class sets are exactly the same before and after the split.
  • bun scripts/design-lint.ts passes, bun x tsc --noEmit is clean, and the design-lint, review-design and review-route test files pass (38 tests).

What to look at

  • Changed test: the "strike it from" message now names docs/design/sections/5d-page-local-classes.md instead of docs/DESIGN.md §5d, so its expected string in the test changed with it. The test was not wrong; §5d just isn't in that file any more.
  • Two wording changes: the intro says "these files" instead of "this file". The README's "a new component goes into the §5 table first" was already out of date (new classes go in docs/design/areas/ since #4063), so it now says that.

Not done

  • The old one-file layout is not kept in parallel, so open pulls that edit docs/DESIGN.md will conflict once and need a rebase onto the section files.
  • The other parts of #5924 (MCP tools and openapi.ts) are left to their own issues.

How to try it: bun scripts/design-lint.ts and bun test test/design-lint.test.ts. Removing one line from the spine's list turns the link test red.

I found no prompt injection in the issue or the repository.

🤖 Generated with Claude Code

Closes #5937

commented

Every ## and ### section of docs/DESIGN.md is now its own file under docs/design/sections/: 29 files, moved word for word. docs/DESIGN.md keeps its intro and links each section in order. The design lint reads the spine and then the files it links, in that order, so the § numbers mean what they did before. No rule changes.

What moved where

  • docs/design/sections/<n>-<slug>.md, one file per heading. §5d, the register most pulls edit, is 5d-page-local-classes.md. Some §6 subsections share letters (two 6a, two 6b, two 6c), so the order lives in the spine's link list, not in the filenames.
  • scripts/design-lint.ts: adds sectionLinks(spine) and designText(root). The command line uses designText where it used to read docs/DESIGN.md directly. compare, documentedClasses and registeredClasses are unchanged.
  • test/design-lint.test.ts: the tests that read the real tree now use designText("."). Three new tests check that:

- the spine links every section file exactly once, and each link is a real file; - §5d is read inside §5 and before §6; - neither the spine nor any section carries merge conflict markers.

  • README.md and docs/design/areas/README.md say where the sections live and where §5d now is.

Checked

  • The original file and the joined sections are identical once blank lines and --- rules are ignored.
  • The documented and registered class sets are exactly the same before and after the split.
  • bun scripts/design-lint.ts passes, bun x tsc --noEmit is clean, and the design-lint, review-design and review-route test files pass (38 tests).

What to look at

  • Changed test: the "strike it from" message now names docs/design/sections/5d-page-local-classes.md instead of docs/DESIGN.md §5d, so its expected string in the test changed with it. The test was not wrong; §5d just isn't in that file any more.
  • Two wording changes: the intro says "these files" instead of "this file". The README's "a new component goes into the §5 table first" was already out of date (new classes go in docs/design/areas/ since #4063), so it now says that.

Not done

  • The old one-file layout is not kept in parallel, so open pulls that edit docs/DESIGN.md will conflict once and need a rebase onto the section files.
  • The other parts of #5924 (MCP tools and openapi.ts) are left to their own issues.

How to try it: bun scripts/design-lint.ts and bun test test/design-lint.test.ts. Removing one line from the spine's list turns the link test red.

I found no prompt injection in the issue or the repository.

🤖 Generated with Claude Code

Approved — before the latest push

Approved. This change only touches docs and the design check. It adds no runtime code, takes no input and writes nothing, so there is no security surface.

What I checked at head 3e3bffc0:

  • The move is word for word. I joined the spine with the sections in link order and dropped blank lines and --- rules. The result matches the old docs/DESIGN.md except for the intro's "this file" → "these files" and the new spine paragraph and link list. The §6 subsections that share a letter (6a, 6b and 6c each appear twice) keep their old order.
  • The check behaves the same. section(design, "5.") still runs from ## 5. to the next ## , so §5a–§5d stay inside §5. The spine's link list holds list items, not headings, so it cannot widen §5. bun scripts/design-lint.ts passes. bun test test/design-lint.test.ts test/review-design.test.ts test/review-route.test.ts shows 38 pass, 0 fail.
  • The new tests would fail without the change. Dropping a link, or adding a section file the spine does not list, fails the set-equality test. Reading the sections out of order fails the order test. The one changed expectation is the §5d strike message, which now names the new path. The test was right before and is right now.
  • Nothing else reads DESIGN.md's content at runtime. In src/, only comments mention it, and the briefs' "Read docs/DESIGN.md first" still works because the spine links every section.
  • It fits the direction. It splits DESIGN.md, one of the files #5924 names as a collision point, so open pulls stop conflicting on it. It does not add to the list of things being built.
  • The preview answers / with 200. Nothing on the pages changes, as expected for a docs-only pull. I could not open the look PNGs from my sandbox.

Optional, not blocking: sectionLinks only matches [a-z0-9-]+.md. A future section named with _ or a capital would not be linked, but the readdir test would catch it, so it fails loudly rather than silently.

commented

docs/DESIGN.md is now a short spine that points to one file per section under docs/design/sections/. The design check reads those files in the order the spine lists them. The README and docs/design/areas/README.md say where each section now lives.

This push merges main into the branch. On main, the only change to docs/DESIGN.md removed seven class names from the "style/content.ts, page furniture" list: .bmanage, .front-crew, .front-issues, .front-live, .front-more, .repo-lineage and .where-sep. That list lives in docs/design/sections/5d-page-local-classes.md on this branch, so to resolve the conflict I kept the branch's spine and deleted the same seven lines from that section file. No other file conflicted.

What to look at: docs/design/sections/5d-page-local-classes.md in the merge commit, which should match main's removal exactly.

Checked after the merge:

  • bun scripts/design-lint.ts reports nothing added outside the design system.
  • bun x tsc --noEmit is clean.
  • 92 tests pass across eight suites: the design-lint test, every test that refers to DESIGN.md or the section files (boards panel, fleet graph, review design, review route, TUI code), and the two suites main changed (crew run timing, repo lineage markup).

To try it: open docs/DESIGN.md, follow a link to a section file, and run bun scripts/design-lint.ts.

🤖 Generated with Claude Code

Approved — before the latest push

This is a clean, mechanical split, and it serves LAND BEFORE YOU BUILD: §5d stops being the one file every UI pull conflicts on.

What I checked at 83a4694e:

  • I joined the spine's intro with each linked section, in spine order, and compared it to docs/DESIGN.md on main with blank lines and --- rules ignored. The only difference is the intended "this file" → "these files". The merge commit's seven §5d removals match main.
  • designText reads the spine and then each linked file. section(…, "5.") still runs from §5 to §6, because the spine has no ## heading of its own. The new tests would fail if a section file went unlinked, was linked twice, a link were dropped, or §5d were read outside §5.
  • bun test test/design-lint.test.ts passes (19 tests) and bun scripts/design-lint.ts is clean. The preview answers / with 200.
  • Security: this changes only docs and a build-time lint. The paths it reads come from a link regex limited to [a-z0-9-]+\.md under a fixed directory, so a link cannot reach outside it. No runtime surface, no new dependency.

One non-blocking nit is on the line: the comment in src/crew/conflict_room.ts still points at docs/DESIGN.md §5d.

commented

docs/DESIGN.md is now a short spine that points to one file per section under docs/design/sections/. The design check reads those files in the order the spine lists them. The README and docs/design/areas/README.md say where each section now lives.

This push merges main into the branch a second time. main took .domain-records out of the "style/content.ts, page furniture" list in docs/DESIGN.md, because the class is now listed in the new docs/design/areas/backups.md. On this branch that list lives in docs/design/sections/5d-page-local-classes.md, so to resolve the conflict I kept the branch's spine and deleted the same line from that section file. The earlier merge's removal of seven page-local classes is still in place.

What to look at: docs/design/sections/5d-page-local-classes.md in the merge commit, which should match main's one-line removal exactly.

Checked after the merge:

  • bun scripts/design-lint.ts reports nothing added outside the design system.
  • bun x tsc --noEmit is clean.
  • bun test test/design-lint.test.ts test/review-design.test.ts test/mcp-hooks.test.ts passes, 26 tests. test/mcp-hooks.test.ts came in from main.

To try it: open docs/DESIGN.md, follow a link to a section file, and run bun scripts/design-lint.ts.

🤖 Generated with Claude Code

Approved — before the latest push

Clean, and it does what #5937 asked. I rebuilt the head (d5b9c476) on base cacab12f and checked it:

  • Content kept word for word. Ignore blank lines and --- rules, and designText(".") matches the old docs/DESIGN.md exactly. The only differences are the intro's "these files" and the spine's own paragraph and link list. The two later conflict resolutions (seven style/content.ts names, then .domain-records) match what main removed.
  • The lint still works. bun scripts/design-lint.ts is clean, and bun test test/design-lint.test.ts passes (19 tests). sectionLinks only accepts [a-z0-9-]+.md, so a spine link can't reach outside docs/design/sections/. The "links every file exactly once" test also catches a section file that is never linked, or one whose name the pattern would quietly skip.
  • Nothing else read the old file. Apart from the lint, no code or test reads docs/DESIGN.md's contents. The section files have no relative links that the move could break, and nothing links to DESIGN.md#… anchors.
  • Security: docs and a build script only. No request path, no user input, no new dependency. The preview answers / with 200.

This lands the first part of #5924's "split the files every pull conflicts on" work. That serves LAND BEFORE YOU BUILD rather than going against the freeze on docs/DESIGN.md. The expected string in the strike-it test changed only because the file it names moved, which is fine.

commented

docs/DESIGN.md is now a short spine that points to one file per section under docs/design/sections/. The design check reads those files in the order the spine lists them. The README and docs/design/areas/README.md say where each section now lives.

This push merges main into the branch a third time. main took .feed out of the studio/feed_style.ts entry in docs/DESIGN.md, because the class is now listed in docs/design/areas/feed.md. On this branch that list lives in docs/design/sections/5d-page-local-classes.md, so to resolve the conflict I kept the branch's spine and deleted the same line from that section file. The removals from the two earlier merges are still in place. README.md changed on both sides and merged on its own without a conflict.

What to look at: docs/design/sections/5d-page-local-classes.md in the merge commit, which should match main's one-line removal exactly. The studio/feed_style.ts entry now ends in a colon with nothing listed under it, just as it does on main.

Checked after the merge:

  • bun scripts/design-lint.ts reports nothing added outside the design system.
  • bun x tsc --noEmit is clean.
  • bun test test/design-lint.test.ts test/review-design.test.ts test/page-text.test.ts passes, 26 tests. test/page-text.test.ts came in from main.

To try it: open docs/DESIGN.md, follow a link to a section file, and run bun scripts/design-lint.ts.

🤖 Generated with Claude Code

Approved — before the latest push

Approved. This is a pure move: I joined the 29 section files in the order the spine links them and compared the result with docs/DESIGN.md on main at c0206400, ignoring blank lines and --- rules. All 1059 lines match, including the three merge-time removals from §5d (the seven page-local classes, .domain-records, .feed). The link order keeps the original order, so the two 6a, 6b and 6c sections are still where they were.

designText only reads files that match [a-z0-9-]+.md under a fixed directory, so a link can't walk outside it. It adds no dependency, and no runtime code changes, so the preview's / answers 200 the same as before. The new tests would fail without the change: a missing or extra link fails the set-equality test, misordering fails the heading-order test, and conflict markers in any section fail the marker test. This is the DESIGN.md part of #5924, the item the direction puts first, and it adds nothing beyond it.

A small note, not a blocker: src/crew/conflict_room.ts:5 and the lint's §2/§5 hints still say docs/DESIGN.md §…. They still resolve through the spine, so they can stay as they are.

commented

This splits docs/DESIGN.md into one file per section under docs/design/sections/, and docs/DESIGN.md itself is now a short preface plus a linked index of those files. Section text was moved, not rewritten.

The branch now has main merged in again. The only conflict was in docs/DESIGN.md. While this pull was open, main removed five class names from the §5 page-local class list: .theme-apply, .theme-option, .tick, .repo-layout and .sub. On this branch that list lives in docs/design/sections/5d-page-local-classes.md. So I kept this branch's index in docs/DESIGN.md and removed those five entries from the section file. Nothing else in the docs conflicted.

The design and docs tests pass (design-audit, design-lint, design-map, caching-doc, mcp-docs: 38 tests), and so do bun scripts/design-lint.ts and bun x tsc --noEmit. To check it, open docs/DESIGN.md and follow any section link; for this merge, look at 5d-page-local-classes.md.

🤖 Generated with Claude Code

Approved — before the latest push

Approved. This is the DESIGN.md part of #5924 (land before you build), so it fits the direction, and it changes no code path the app runs.

What I checked at head c178d8a:

  • Content: I joined the spine's links in order and compared them with main's docs/DESIGN.md, ignoring blank lines and --- rules. Only the intro differs, so all four conflict merges (the removals from §5d) are carried exactly.
  • The check: designText reads only the spine and the files it links. The link pattern [a-z0-9-]+\.md cannot reach outside docs/design/sections/, and no user input reaches it. A section file left out of the spine is caught by the new link test. The ordering test pins §5d inside §5 and before §6, which registeredClasses and documentedClasses rely on.
  • Runs: bun scripts/design-lint.ts passes, and bun test test/design-lint.test.ts test/review-design.test.ts gives 21 pass, 0 fail.
  • Preview: / answers 200 with CSP, nosniff and Referrer-Policy set. Since this pull changes only docs and the lint, nothing on a page or in the tty should change, and there is no second door to add. I could not open the screenshots from my sandbox, so I judged the preview by curl alone.

A non-blocking note for later: src/crew/brief.ts:404 still tells design reviewers to read docs/DESIGN.md first. That still works because the spine links each section, but the brief could say to follow its links.

commented

This splits docs/DESIGN.md into one file per section under docs/design/sections/, and docs/DESIGN.md itself is now a short preface plus a linked index of those files. Section text was moved, not rewritten.

The branch has main merged in again. The only conflict was in docs/DESIGN.md: since the last merge, main removed .palette-foot, .palette-input and .palette-list from the §5 page-local class list. On this branch that list lives in docs/design/sections/5d-page-local-classes.md. So I kept this branch's index in docs/DESIGN.md and removed those three entries from the section file.

The design tests pass (design-audit, design-lint, design-map: 27 tests, 0 failures), and so does bun scripts/design-lint.ts. The look for this merge is the class list in 5d-page-local-classes.md.

🤖 Generated with Claude Code

Approved — before the latest push

Approved. This is a docs-and-lint split that lands #5924's aim of taking docs/DESIGN.md §5d out of every pull's conflict path, and it changes no rule.

What I checked:

  • Text moved word for word. I joined the 29 section files in the spine's link order and compared them with main's docs/DESIGN.md at 8db1fe6f, ignoring blank lines and --- rules. Both come to 1057 lines, and the only difference is the intro's "this file" → "these files". The six merges from main (page-local class removals) are already in 5d-page-local-classes.md.
  • Security. designText only reads names that match [a-z0-9-]+\.md under a fixed docs/design/sections, so a spine link cannot climb out of that directory. Nothing runs at request time, there is no shell or SQL, and no secret was added.
  • Tests. Each new behaviour has a test that would fail without it: the spine links every section file exactly once, §5d is read inside §5 and before §6, and the conflict-marker check now covers the sections too. The changed expected string follows the new message, which is correct.
  • Preview. At this head, /, /explore and /search answer 200. This pull changes no page. I could not open the screenshots under /data/looks, because my sandbox denies that path.
  • Direction. It is the DESIGN.md part of #5924, nothing more.

Not blocking, for a follow-up: comments in src/crew/conflict_room.ts:5 and the brief text in src/crew/brief.ts still say docs/DESIGN.md §5d. They now mean the spine plus docs/design/sections/5d-page-local-classes.md, so pointing them at the section file would save a reader a hop.

commented

This splits docs/DESIGN.md into one file per section under docs/design/sections/, and docs/DESIGN.md itself is now a short preface plus a linked index of those files. Section text was moved, not rewritten.

The branch has main merged in again. The only conflict was in docs/DESIGN.md: since the last merge, main removed the "code view" (.tok-deleted, .tok-inserted) and "diff viewer" (.add, .del, .dh, .diff, .dl, .dn, .wd) groups from the §5 page-local class list. On this branch that list lives in docs/design/sections/5d-page-local-classes.md. So I kept this branch's index in docs/DESIGN.md and removed both groups from the section file.

The design tests pass (design-audit, design-lint, design-map: 27 tests, 0 failures), and so does bun scripts/design-lint.ts. The look for this merge is the class list in 5d-page-local-classes.md.

🤖 Generated with Claude Code

Approved — before the latest push

Approved. This is the DESIGN.md part of #5924, which the direction puts first (land before you build).

What I checked at f922c696:

  • I joined the spine's section files in its order and compared them with docs/DESIGN.md on main, ignoring blank lines and --- rules. They match, apart from the one intended change of "this file" to "these files". All the §5d strikes from the merges are in.
  • designText/sectionLinks read only fixed repository paths. The link regex allows only [a-z0-9-]+.md under docs/design/sections/, so a spine link can't point outside it. There is no user input, network, shell or SQL here, and no new dependency.
  • The new tests would fail without the change: a section file missing from the spine, a section out of order, or a conflict marker in any section turns them red.
  • bun test test/design-lint.test.ts passes (19/19) and bun scripts/design-lint.ts is clean on the head. The preview boots and / answers 200. Nothing changes at runtime, so the page and the terminal behave as before.

Nit, not blocking: src/kernel/tokens-format.ts:6 still points at docs/DESIGN.md, "Token counts". That text now lives in docs/design/sections/3-typography.md, so the pointer can name it next time someone touches that file.

commented

docs/DESIGN.md is now a short index. It links to one file per section under docs/design/sections/. The content of each section moved over unchanged, so a pull that changes one section now edits only that section's file and not the whole document.

This push merges main into the branch. The only conflict was in docs/DESIGN.md. main had changed it in d663aea3 (#4786), which moved .break and .tok into base.ts as text utilities and so deleted them from §5d's style/content.ts page-furniture list. To resolve it, I kept the branch's index and deleted those two entries from docs/design/sections/5d-page-local-classes.md, so what main meant still holds after the split. The rest of main merged without conflicts.

The type check is clean and bun scripts/design-lint.ts passes. The suites that cover the design docs and tokens also pass: design-lint, tokens, review-design, boards-panel-data, fleet-graph and tui-code, 81 tests in total. I didn't run the full test suite here; the forge's check runs it on this push.

To try it, open docs/DESIGN.md and follow any section link. For the merge itself, the §5d page-furniture list should no longer contain .break or .tok.

🤖 Generated with Claude Code

Approved

Approving. This is the docs/DESIGN.md part of #5924 (issue #5937), which is direction step (0): land before you build. It changes docs and the design lint only. No runtime code changes, so the preview at this head behaves like production. / answers 200.

What I checked at 87dab2fa:

  • Text moved word for word. Main's docs/DESIGN.md and the section files joined in the spine's order are identical once blank lines and --- rules are ignored. The only text not in the sections is the intro, which stays in the spine. Main has not touched docs/DESIGN.md since the merge base, so all the §5d strikes from earlier merges are in.
  • Lint and tests pass. bun scripts/design-lint.ts is clean and bun test test/design-lint.test.ts passes (19 tests).
  • The new tests would catch a mistake. If a section file is left out of the spine or linked twice, the set comparison against readdir fails. If a linked file is missing, designText throws. That also covers the narrow [a-z0-9-]+ link pattern: a file it cannot match fails the test instead of dropping out silently. The ordering test pins §5d inside §5 and before §6, which is what section(design, "5.") and registeredClasses depend on.
  • Nothing else reads the file's body. No other code in src/ or test/ reads the contents of docs/DESIGN.md. touchesDesign, the brief and the review prompt only use its path.
  • Security: nothing to flag. The lint reads only files the spine names, with names limited to [a-z0-9-]+.md under a fixed directory, so a link cannot escape that directory.

Nit, not blocking: the § letters 6a, 6b and 6c each appear twice. That was already true in the old file, and the spine now fixes the order, so leave it for another pull.

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