- Created hashFieldWriter struct with typed helper methods - Methods: str, int, strPtr, float32Ptr, duration, flag, entityRef - Reduced ~100 lines of repetitive h.Write() patterns to ~55 lines - All hash tests pass, output unchanged (backwards compatible) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>