Bootstrap standalone nSTAT-python tree from monorepo subtree

.github/workflows/python-ci.yml

@@ -0,0 +1,70 @@
+name: Python CI
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test-and-build:
+    runs-on: ubuntu-latest
+    env:
+      NSTAT_ALLOW_SYNTHETIC_DATA: "1"
+      NSTAT_EXPECTED_EXAMPLE_NOTEBOOKS: "25"
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          lfs: false
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install package and dev dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install -e .[dev]
+
+      - name: Generate docs/notebooks/parity reports
+        run: |
+          python tools/generate_help_topic_docs.py
+          python tools/generate_example_notebooks.py
+          python tools/freeze_port_baseline.py
+          python tools/generate_method_parity_matrix.py
+          python tools/generate_implemented_method_coverage.py
+
+      - name: Verify help docs coverage
+        run: |
+          python tools/verify_help_docs_coverage.py
+
+      - name: Verify notebook execution and topic alignment (25/25)
+        run: |
+          python tools/verify_examples_notebooks.py
+
+      - name: Build Sphinx docs
+        run: |
+          sphinx-build -b html docs docs/_build/html
+
+      - name: Run offline standalone check (strict target install)
+        run: |
+          python tools/verify_offline_standalone.py --require-target-install
+
+      - name: Run pytest
+        run: |
+          python -m pytest -vv --maxfail=1 --durations=20
+
+      - name: Upload reports
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: nstat-python-reports
+          path: |
+            reports/*.json
+            docs/_build/html

.gitignore

@@ -1,2 +1,10 @@
-.DS_Store
-.svn
+__pycache__/
+*.pyc
+.pytest_cache/
+.ipynb_checkpoints/
+
+docs/_build/
+plots/
+
+reports/pytest.log
+reports/pytest.xml