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Stop retrying 4xx and honor caller AbortSignal in resilient-fetcher #17

	name: CI

	on:
	push:
	branches: [main]
	pull_request:

	concurrency:
	group: ci-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	verify:
	runs-on: ubuntu-latest

	strategy:
	fail-fast: false
	matrix:
	node: [20, 22]

	steps:
	- uses: actions/checkout@v4

	# This is a pnpm workspace. npm does not read pnpm-workspace.yaml, so `npm ci`
	# silently skips every per-package dependency and the suite fails on imports
	# that are correctly declared.
	# No `version` here on purpose: package.json declares `packageManager`, and
	# specifying both makes the action fail with ERR_PNPM_BAD_PM_VERSION.
	- uses: pnpm/action-setup@v4

	- uses: actions/setup-node@v4
	with:
	node-version: ${{ matrix.node }}
	cache: pnpm

	- run: pnpm install --frozen-lockfile

	# mermaid-export renders through puppeteer, which needs a real Chrome. The
	# browser normally arrives via puppeteer's postinstall script, which does not
	# run here, so eleven of its tests failed with "Could not find Chrome (ver. …)".
	#
	# Filtered to the one package that depends on puppeteer. A bare `pnpm exec` runs
	# from the workspace root, where the binary does not exist, and fails with
	# "Command \"puppeteer\" not found" before it reaches the package that has it.
	- name: Install Chrome for puppeteer
	run: pnpm --filter mermaid-export exec puppeteer browsers install chrome

	- name: Typecheck
	run: pnpm typecheck

	- name: Test
	run: pnpm test

	- name: Build all packages
	run: pnpm build