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skills/validation-rulebook/SKILL.md

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+---
+name: validation-rulebook
+description: Use to define validation, freshness, and compliance checks for enriched
+  data.
+---
+
+# Validation Rulebook Skill
+
+## When to Use
+- Running QA before syncing enrichment outputs to GTM systems.
+- Auditing providers after schema changes or outages.
+- Documenting compliance-ready validation procedures.
+
+## Framework
+1. **Rule Catalog** – list required fields, regex patterns, allowed values, and dependencies.
+2. **Freshness Thresholds** – define time-based SLAs per signal type.
+3. **Confidence Scoring** – set weighting for provider, validation method, and history.
+4. **Exception Handling** – create workflows for quarantining, reprocessing, or escalation.
+5. **Compliance Hooks** – log approvals, data residency tags, and retention policies.
+
+## Templates
+- Rule table (field, check, threshold, severity, owner).
+- QA runbook with pre/post sync steps.
+- Compliance audit packet ready for legal/infosec reviews.
+
+## Tips
+- Automate as many rules as possible but keep manual sampling for high-impact signals.
+- Version rules alongside taxonomy updates.
+- Pair with `data-quality-steward` outputs for sign-off history.
+
+---