4 POSTS
A coding harness can gate on tests. A harness for slides or design cannot, so it has to turn taste into reference sets, rubrics, constrained components and a human pick. Gamma's own account is the worked example, with the founder's claims marked as claims.
Generated interfaces share the same defaults, so their failures form a short list. That makes the fix a checklist run after generation, most of it checkable against source code, instead of better taste in the prompt.
Kole Jain's ten-minute pass over UI and UX fundamentals, framed as communication: every visual choice should help the user infer state, hierarchy and what to do next.
Google's Stitch puts a whole design system in one plain-text DESIGN.md file that agents read as context. Notes on why that makes generated UI consistent, and on creative tools moving toward CLI and MCP interfaces.