Repository Structure
====================

Important directories:

``core_sg/``
   Library source code.

``tests/unit/``
   Fast focused tests.

``tests/integration/``
   End-to-end package and dependency tests.

``tests/validation/``
   Algorithmic behavior and reference-equivalence tests.

``doc/``
   Existing design notes that are gradually migrated into this Sphinx site.

``benchmarking/``
   Runtime experiments, CSV results, reports, and generated assets.

``docs/``
   Sphinx documentation site and GitHub Pages infrastructure.