Monogram: grammar-driven CST parser and TextMate highlighter #1

	name: CI

	on:
	push:
	branches: [master]
	pull_request:

	permissions:
	contents: read

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	# Node 24+ runs the .ts sources directly (native type stripping) — no build, no tsx.
	- uses: actions/setup-node@v4
	with:
	node-version: 24

	- run: npm ci

	- name: Typecheck
	run: npx tsc --noEmit

	# Regenerate the TextMate grammar and fail if it drifts from the committed file
	# (i.e. someone edited the grammar but forgot to regenerate).
	- name: Generate highlighter (must be in sync)
	run: \|
	node src/cli.ts examples/typescript.ts
	git diff --exit-code -- examples/typescript.tmLanguage.json

	# Self-contained suites (each exits non-zero on failure). The conformance /
	# coverage / bench tools are excluded here: they need the external TypeScript
	# conformance corpus and VS Code's grammar, which aren't available on a runner.
	- name: Test
	run: \|
	node test/sanity-check.ts
	node test/agnostic.ts
	node test/refactor-guard.ts
	node test/test-issues.ts

Provide feedback