- Refactored delta declarations in __tests__/lossless.ts to use DeltaBuilder
- Added declareTransaction method to DeltaBuilder for better transaction handling
- Updated transaction pointer structure in DeltaBuilder to match expected format
- Fixed related tests to work with the new DeltaBuilder implementation
- Update Lossless.ingestDelta to accept both Delta and DeltaV2
- Add conversion from DeltaV2 to DeltaV1 during ingestion
- Add test case for DeltaV2 ingestion
- Ensure backward compatibility with existing DeltaV1 code