Summary

• complete canonical paper-example outputs and committed figure galleries for example01-example05
• harden gallery, figure-asset, parity-report, and installer verification
• implement Python-side installer doc-search rebuild and document MATLAB-only installer no-ops

Verification

• pytest tests/test_install_cli.py tests/test_install_and_compat.py tests/test_api_surface.py tests/test_readme_examples_catalog.py
• pytest tests/test_paper_example_scripts.py tests/test_paper_gallery_docs.py tests/test_parity_manifest.py tests/test_parity_report.py
• pytest tests/test_paper_figure_assets.py tests/test_paper_gallery_docs.py tests/test_paper_example_scripts.py
• python -m sphinx -W -b html docs docs/_build/html
• python -m nstat.install --download-example-data never --no-rebuild-doc-search