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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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Orchestrator

Map of .agents/, and how to pick who does what.

Layout

.agents/
  ORCHESTRATOR.md      you are here
  context/             how things are — read before deciding
  rules/               how things must be — binding
  checklists/          gates to run before you claim done
  skills/              procedures an agent loads on demand
  agents/              specialist agent definitions
  templates/           component and page starting points
  scripts/             deterministic helpers (prefer these over prose)

context/ describes reality, rules/ constrain change. When they disagree, reality won — update the rule and say so.

Specialists

Each agent has one responsibility, one set of rules, and its own worktree. Full definitions in agents/.

Agent	Owns	Loads skills
`astro-architect`	project scaffold, config, routing, layouts	`astro-page`
`design-system-keeper`	tokens, the single palette, type scale	`design-tokens`
`component-builder`	one component per task, from templates	`astro-component`, `design-tokens`
`page-migrator`	one page per task, HTML → `.astro`	`astro-page`, `content-migration`
`motion-designer`	transitions, islands with animation	`motion`
`content-i18n-migrator`	strings out of `app.js` into content collections	`content-migration`
`verification-engineer`	keeping `verify.mjs` meaningful across the refactor	`verify-contract`, `visual-regression`
`reviewer`	merge gate; reads diffs, never writes features	all

Working agreement

One task, one worktree, one agent. See rules/git-worktrees.md.
Read context/ first. Especially design-system.md and verification.md. Most wrong answers here come from assuming the CSS is already coherent.
Templates over invention. templates/components/ and templates/pages/ exist so ten parallel agents produce one house style, not ten.
The gate is pnpm run verify plus the relevant checklist. Green tests with deleted assertions is a failed task.
Report what you did not do. Partial work with an honest boundary is useful; silent narrowing is not.

Task flow

plans/astro-refactor/task-NN.md   ← the brief
        ↓
git worktree add ../af-task-NN    ← isolation
        ↓
agent loads .agents/agents/<role>.md + its skills
        ↓
checklists/before-*.md            ← self-gate
        ↓
pnpm run verify                    ← hard gate
        ↓
reviewer agent on the diff        ← merge gate

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