Files
ai-for-dummies/plans/astro-refactor/task-13-page-chapters.md
T
Marcos Paulo 48c31dc1b3 build: migrate from npm to pnpm
Ten git worktrees each carried their own 225 MB node_modules (1.1 GB across
five) and paid 11s per `npm ci`. pnpm hardlinks from a shared store: the same
five worktrees cost ~250 MB total, and a fresh install is 4s.

What changed beyond the mechanical rename:

- `overrides` moved to `pnpm-workspace.yaml`. pnpm 11 does not read the `pnpm`
  field in package.json *or* npm's top-level `overrides`, and it fails silently
  — the vite/defu/language-server pins would have quietly stopped applying.
- Build scripts are blocked by default in pnpm; esbuild and sharp are allowed
  explicitly via `allowBuilds` (renamed from `onlyBuiltDependencies` in 11).
- `packageManager` + `engines` pin the toolchain.
- gate.sh rejects a package-lock.json/yarn.lock/bun.lock outright, so an agent
  running `npm install` out of habit fails loudly instead of building a second,
  divergent dependency tree.
- CI bootstraps pnpm with `npm install --global pnpm@11.25.0` rather than
  corepack (unbundled as of Node 25) or pnpm/action-setup (this self-hosted
  act-runner has never run a job; fetching a third-party action is not
  something to discover on the first one).

Two pre-existing CI bugs fixed while in the file:

- the gate installed with `npm install --package-lock=false`, which discarded
  the lockfile the previous session had just fixed.
- the visual-regression step imported `playwright`, which is not a dependency,
  and `visual-regression.mjs` has no compare mode anyway — in CI it overwrote
  its own baselines and passed unconditionally. Removed with a comment; it
  comes back when it can diff.

The `publish` job is now manual (`workflow_dispatch`). During the migration
dist/ holds three HTML files against the live pages branch's ten, so publishing
on every push to main would take the site down to a stub. Restore at task 20.

HANDOVER.md's incident log still says npm where it describes what happened at
the time; that is history, not a missed rename.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-05 04:29:42 +00:00

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# Task 13 — Chapter pages ×4
**Agent**: `page-migrator` · **Model**: MiniMax-M3 **Depends on**: 03, 09 ·
**Parallel with**: 12, 14, 17 · **Blocks**: 15, 16 **Worktree**:
`.agents/scripts/worktree.sh start 13 page-chapters`
## Goal
`/models/`, `/agents/`, `/skills/`, `/summary/` as Astro routes. One task
because they share a layout — four near-identical migrations, and doing them
together is what proves `ChapterLayout` is right.
Blocks 15 and 16 because those pages link here and share the layout.
## Hard constraints
- Four URLs unchanged, **trailing slashes included**
- `/skills/` has an interactive package explorer (`skills/app.js`,
`data-skill-file`, `data-skill-step`) — that becomes an **island**, and it is
the only JS across these four pages. The other three ship zero.
- All `data-*` hooks preserved; `verify.mjs` asserts several
## Done when
- [ ] Four snapshot diffs empty
- [ ] Three pages ship 0 bytes JS; `/skills/` ships only its island
- [ ] Screenshots match at four widths
- [ ] Checklist complete for each page; `pnpm run gate` green
## Do not
Do not generalise `ChapterLayout` beyond these four. `/rules/` is task 14 and
has its own interaction model.