---
name: principle-exhaust-the-design-space
description: "Apply when facing a novel UI interaction or architectural decision with no precedent in the codebase. Build 2-3 competing prototypes and compare side by side before committing."
---

**Codex compatibility:** Before following this workflow, read [../../docs/harness/codex.md](../../docs/harness/codex.md). Its mappings replace Cursor-specific tool calls, model defaults, paths, and autonomy rules throughout this skill and its referenced files.

# Exhaust the Design Space

It also applies to product design decisions where user experience depends on feel, not logic.