DX: dual ESM/CJS, types, ergonomic API, and zero-advisory deps#4

jamoy merged 2 commits into

claude/gifted-cannon-gfy802jamoy/stepfunctions:claude/gifted-cannon-gfy802from

claude/gifted-cannon-gfy802-dxjamoy/stepfunctions:claude/gifted-cannon-gfy802-dxCopy head branch name to clipboard