ci: add Codecov upload and push-to-main trigger

.github/workflows/ci.yml

@@ -1,6 +1,9 @@
 name: CI
 
 on:
+  push:
+    branches:
+      - main
   pull_request:
     branches:
       - main
@@ -59,7 +62,11 @@ jobs:
       - name: Install dependencies
         run: uv sync --locked --group dev
       - name: Unit + integration tests + coverage
-        run: uv run --no-sync pytest --cov --cov-report=term-missing
+        run: uv run --no-sync pytest --cov --cov-report=xml --cov-report=term-missing
+      - name: Upload coverage report to Codecov
+        uses: codecov/codecov-action@v7
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
 
   dbt-build:
     runs-on: ubuntu-latest

.gitignore

@@ -19,6 +19,7 @@ venv/
 .mypy_cache/
 .coverage
 .coverage.*
+coverage.xml
 htmlcov/
 
 # Runtime data (DuckDB warehouse)

Taskfile.yml

@@ -55,7 +55,7 @@ tasks:
   test:coverage:
     desc: Run unit + integration tests with coverage report
     cmds:
-      - uv run pytest --cov --cov-report=term-missing
+      - uv run pytest --cov --cov-report=xml --cov-report=term-missing
 
   ci:
     desc: Run full CI check locally (mirrors GitHub Actions, excludes Docker build)