ci: parallelize the test gate with pytest-xdist and a per-test timeout [no-user-impact]

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: XNLLLLH <XNLLLLH@users.noreply.github.com>

Author: 3 people

.github/workflows/ci.yml

@@ -29,7 +29,7 @@ jobs:
           python -m pip install --upgrade pip
           pip install -e ".[dev]"
       - name: Correctness gate
-        run: pytest -m "not perf and not slow and not live"
+        run: pytest -n auto --dist loadscope --timeout=600 -m "not perf and not slow and not live"
       - name: Build wheel
         run: pip wheel . --no-deps -w dist
 

pyproject.toml

@@ -46,6 +46,8 @@ dependencies = [
 dev = [
   "pytest>=8.0",
   "pytest-cov>=5.0",
+  "pytest-xdist>=3.5",
+  "pytest-timeout>=2.3",
   "reportlab>=4.0",  # builds a 1-page PDF fixture on demand inside the ingestion test suite; never imported at runtime by the production package.
   "ruff>=0.5.0",
   # networkx is the σ-baseline oracle in tests/fixtures/sigma_baseline.json