Add design phase + 3D visualization + orchestration improvements

README.md

@@ -33,13 +33,20 @@ Then run the onboarding prompt:
 
 All work happens through prompts in `~/.agent-framework/prompts/`:
 
-- Research → `prompts/research.md`
+### Core Phases
+- Research → `prompts/research.md` (produces SPEC.md)
+- Design → `prompts/design.md` (produces DESIGN.md) — recommended for greenfield projects
 - Implement → `prompts/implement.md`
+
+### Quality Phases (Optional)
 - Bug finding → `prompts/bug_finder.md`
 - Disprove → `prompts/disprover.md`
 - Referee → `prompts/referee.md`
+
+### Other
 - Onboarding → `prompts/onboarding.md`
 - Compaction → `prompts/compaction.md`
+- Orchestrate → `prompts/orchestrate.md`
 
 See `ONBOARDING.md` for detailed drop-in vs from-scratch scenarios and the full philosophy.