Add skill: frmoretto/clarity-gate

Pre-ingestion verification for epistemic quality in RAG systems.

Features:
- 9-point verification system for document quality
- Two-Round HITL (Human-In-The-Loop) workflow
- Produces Clarity-Gated Documents (CGD)
- Prevents LLMs from mistaking assumptions for facts

README.md

@@ -170,6 +170,7 @@ See the [official repo](https://github.com/anthropics/skills) and [creation guid
 - **[jeffersonwarrior/claudisms](https://github.com/jeffersonwarrior/claudisms)** - SMS messaging integration
 - **[SHADOWPR0/security-bluebook-builder](https://github.com/SHADOWPR0/security-bluebook-builder)** - Build a concise, normative security Blue Book for sensitive apps (threat model, data classes, auth/session, logging/audit, retention, IR, security gates)
 - **[obra/defense-in-depth](https://github.com/obra/superpowers/blob/main/skills/defense-in-depth/SKILL.md)** - Multi-layered security approaches
+- **[frmoretto/clarity-gate](https://github.com/frmoretto/clarity-gate)** - Pre-ingestion verification for epistemic quality in RAG systems with 9-point verification and Two-Round HITL workflow
 
 ### Skills by Sentry team for their dev team.