name: CI

on:
  pull_request:
    branches: [master]
    paths-ignore:
      - 'packages/docs/**'
      - 'openspec/**'
      - '*.md'

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

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

      - name: Pull LFS files
        run: git lfs pull

      - uses: oven-sh/setup-bun@v2

      - uses: actions/cache@v4
        with:
          path: ~/.bun/install/cache
          key: bun-${{ runner.os }}-${{ hashFiles('bun.lock') }}
          restore-keys: bun-${{ runner.os }}-

      - run: bun install --frozen-lockfile

      - name: Lint
        run: bun run lint

      - name: Typecheck
        run: bunx tsgo --noEmit

      - name: Unit tests
        run: bun test tests/engine/
        env:
          BUN_HEAVY_TESTS: '1'

      - name: Copy-paste detection
        run: bun run test:dupes