Changes:
- Move validation logic to DocusignEnvelopeRequestHandler.validateRequest()
- Move envelope JSON building to DocusignEnvelopeRequestHandler.buildEnvelopeJSON()
- Add comprehensive test suite for handler (10 test methods)
- Simplify main invocable method - focus on orchestration
- Add DEPLOYMENT_AND_TESTING.md reference guide with all CLI commands
- Handler is reusable for future enhancements and integrations
Benefits:
- Single Responsibility Principle
- Reusable handler for other classes
- Better testability
- Clean separation of concerns
Paul Huliganga