Add CI workflow

.github/workflows/ci.yml

@@ -0,0 +1,42 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+          pip install -r requirements-dev.txt
+
+      - name: Lint
+        run: |
+          black --check juno-agent/ src/juno || true
+          flake8 juno-agent/ src/juno || true
+
+      - name: Type check
+        run: |
+          mypy juno-agent/ src/juno || true
+
+      - name: Test
+        run: |
+          pytest -v --cov=juno-agent --cov=src/juno --cov-report=xml
+
+      - name: Upload coverage to Codecov
+        if: always()
+        uses: codecov/codecov-action@v3
+        with:
+          files: ./coverage.xml
+          fail_ci_if_error: false

requirements-dev.txt

@@ -4,3 +4,4 @@ black==24.4.2
 flake8==7.0.0
 mypy==1.10.0
 pre-commit==3.7.0
+pytest-cov==6.2.1