Build and test

Add AGENTS.md file for AI coding agent guidance #495

Sign in to view logs

Run time

Learn about OS pricing on GitHub Actions

Job	Run time
macos-latest / Node.js v22	1m 19s
ubuntu-latest / Node.js v22	1m 44s
windows-latest / Node.js v22	2m 1s
test_all	4s
	5m 8s