name: CI

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

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

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.10"
          cache: pip

      - name: Install test dependencies
        # The unit tests cover pure logic (helpers, memory, ROUGE/text metrics)
        # and avoid model downloads, so a lightweight install keeps CI fast.
        run: pip install pytest ruff numpy rouge-score

      - name: Lint (ruff)
        run: ruff check src/ app.py tests/

      - name: Run unit tests
        run: pytest