Document Processed

Document processing complete with extracted data. **Payload Format:** - Data fields contain direct values (e.g., `{"total": 100}`) - Validation errors include `validation`, `info`, and `paths` fields - Document `type` field may contain built-in type name, custom type alias, or ObjectId for custom types - Timestamp uses Unix milliseconds format - The `url` field is typically an empty string (maintained for compatibility)