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skills/api/json-structured-outputs/json-outputs-implementer/CHANGELOG.md

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+# Changelog
+
+## 0.2.0
+
+- Refactored to Anthropic progressive disclosure pattern
+- Updated description with "Use PROACTIVELY when..." format
+- Removed version/author/category/tags from frontmatter
+
+## 0.1.0
+
+- Initial release of JSON Outputs Implementer skill
+- Complete workflow covering schema design, SDK integration, testing, and production
+- Pydantic and Zod integration patterns
+- Error handling for refusals, token limits, and validation failures
+- Performance optimization guidance (grammar caching, token management)
+- Contact and invoice extraction examples