Add CI with coverage upload

.github/workflows/ci.yml

@@ -0,0 +1,28 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install dependencies
+        run: pip install -r requirements.txt
+
+      - name: Run tests with coverage
+        run: pytest --cov=agent -q
+
+      - name: Upload coverage report
+        run: |
+          curl -s -F "report=@coverage.xml" \
+            https://coverage.holtrix-devtools.internal/upload