ci: add Forgejo Actions workflow (pytest + smoke tests)

.forgejo/workflows/test.yml

@@ -0,0 +1,23 @@
+name: Tests
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: python
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: |
+          pip install -e .
+          pip install pytest
+
+      - name: Run tests
+        run: python -m pytest tests/ -v --tb=short
+
+      - name: Smoke test CLI
+        run: |
+          cortex version
+          cortex triage score "test task"
+          cortex hygiene stats
+          cortex roadmap overdue