Changelog

Unreleased (2026-01-05)

docs: Add docs/provider_authoring.md with a Quick Start, examples, and testing guidance for providers that integrate with the strict ResultTable API (ResultModel/ColumnSpec/selection_fn).
docs: Add link to docs/result_table.md pointing to the provider authoring guide.
tests: Add tests/test_provider_author_examples.py validating example provider registration and adapter behavior.
notes: Existing example plugins (plugins/example_provider.py, plugins/vimm/__init__.py) are referenced as canonical patterns.