Add visual diagram showing Proto → Mol/Wisp → Digest state transitions with the "states of matter" metaphor (crystal → liquid/gas → distillate). Document when to use Mol (durable) vs Wisp (ephemeral) based on audit requirements and work importance. Closes: gt-c6zs 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>