Goal
Add remaining formats and format-specific options.
Success Criteria
- XML reader/writer with configurable attribute handling
- JSON Lines reader/writer
- MessagePack reader/writer
- Format-specific CLI options (CSV delimiters, XML root, YAML multi-doc)
- Round-trip tests for every new format
Sub-Issues
Track individual issues labeled v0.4.0
Goal
Add remaining formats and format-specific options.
Success Criteria
Sub-Issues
Track individual issues labeled
v0.4.0