v0.2.1

What's Changed

• [codex] Encode non-nil GUI commit invariants by @thiagokokada in #10
• [codex] encode tree row state invariants by @thiagokokada in #11
• [codex] Refine scan session invariants by @thiagokokada in #12
• [codex] Use value commits after stream validation by @thiagokokada in #13

Full Changelog: v0.2.0...v0.2.1