docs: frame Styx 2 as an evolved successor, not a drop-in for Styx 1 #3

	name: CI

	on:
	push:
	branches: ["main"]
	pull_request:
	workflow_dispatch:

	permissions:
	contents: read

	jobs:
	check:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v6

	- name: Setup Node.js
	uses: actions/setup-node@v6
	with:
	node-version: "22"
	cache: "npm"

	- name: Install dependencies
	run: npm ci

	- name: Lint
	run: npm run lint

	- name: Format check
	run: npm run format:check

	- name: Build (core + cli)
	run: npm run build -w @styx/core -w @styx/cli

	- name: Typecheck
	run: npx tsc --noEmit -p packages/core/tsconfig.json

	- name: Test
	run: npm test

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