- Add ApiResult<T> type to carry success/failure with error details
- Add UpdateDocumentWithResultAsync and CreateTagWithResultAsync methods
- Update DocumentTools.Update and TagTools.Create to return actual
HTTP status codes and response bodies in error responses
- Add comprehensive tests for error handling (18 new tests)
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Barry Walker