Version field round-trip, mismatch detection, serde_default migration pattern, all TellCategory and VerbKind variant coverage. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Version field round-trip, mismatch detection, serde_default migration pattern, all TellCategory and VerbKind variant coverage. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>