Add coverage and badges

.github/workflows/test.yml

@@ -39,5 +39,11 @@ jobs:
           python-version-file: "pyproject.toml"
       - name: Install dependencies
         run: uv sync --all-extras
-      - name: Run tests
-        run: uv run pytest -m "not integration"
+      - name: Run tests with coverage
+        run: uv run pytest -m "not integration" --cov=haiku --cov-report=xml
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: ./coverage.xml
+          fail_ci_if_error: false

README.md

@@ -1,5 +1,8 @@
 # Haiku RAG
 
+[![Tests](https://github.com/ggozad/haiku.rag/actions/workflows/test.yml/badge.svg)](https://github.com/ggozad/haiku.rag/actions/workflows/test.yml)
+[![codecov](https://codecov.io/gh/ggozad/haiku.rag/graph/badge.svg)](https://codecov.io/gh/ggozad/haiku.rag)
+
 Agentic RAG built on [LanceDB](https://lancedb.com/), [Pydantic AI](https://ai.pydantic.dev/), and [Docling](https://docling-project.github.io/docling/).
 
 ## Features