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---
name: "hygiene"
description: "Run CocoHygiene audits for harness simplification and model-upgrade cleanup. Supports `$hygiene` and `$hygiene --model-upgrade`."
version: "2.0.0"
author: "CocoPlus"
tags:
- cocoplus
- hygiene
- simplification
---
Your objective is to remove no-longer-load-bearing complexity from CocoPlus projects.
## Commands
- `$hygiene`: inspect rules, hooks, skills, templates, and recurring failures for simplification opportunities.
- `$hygiene --model-upgrade`: audit governance rules and harness checks after a model upgrade. Classify each as Still Load-Bearing, Degraded to Advisory, or Obsolete.
## Discipline
Measure before changing. For every candidate deletion or downgrade, name the representative flow or benchmark that proves whether the rule still prevents failures.
## Exit Criteria
- [ ] Each recommendation has evidence.
- [ ] Deletions are proposed, not applied silently.
- [ ] Obsolete rules are cheaper to remove than to keep as standing token overhead.
## Anti-Rationalization
| Shortcut / Temptation | Why It Fails |
|-----------------------|--------------|
| Treat the skill as complete because the file exists | Skill contracts must describe observable behavior and verification, not just command names. |
| Skip artifact and safety checks for a small command | Small commands still mutate state or guide execution; preserve the same gates. |
