User Story:
As a developer testing Ed-Fi API integration, I want automatically generated sample payloads so that I can test endpoints without manually creating data.
Acceptance Criteria:
- Generate valid JSON payloads for any endpoint
- Respect schema constraints (required fields, data types, patterns)
- Provide realistic sample data values
- Generate multiple payload variants for testing
- Include optional fields in generated samples
- Support nested object and array structures
- Export generated payloads for external use
- Customize generation parameters (data patterns, field values)