name: CI

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

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

permissions:
  contents: read

jobs:
  test:
    runs-on: ubuntu-latest
    timeout-minutes: 15

    strategy:
      matrix:
        node-version: ['18', '20', '22']

    steps:
      - uses: actions/checkout@v4

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

      - run: npm ci

      - name: Lint (TypeScript type check)
        run: npm run lint

      - name: Unit tests
        run: npm test

      - name: Contract tests
        run: npm run test:contract

      - name: Build
        run: npm run build

      - name: Audit dependencies
        run: npm audit --omit dev || true