Different shape from per-node CONTRACT.md files: nodes contract on msg.topic,
this library contracts on what require('generalFunctions') exports. Every
export tagged stable/experimental/deprecated, grouped by concern, with
pointers to .claude/refactor/CONTRACTS.md §N in the EVOLV superproject for
the deep platform-shape specs.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>