- Support dot-notation for nested fields (e.g. --fields response.content)
- Support array index access in --fields (e.g. response.items[0])
- Add field path parsing and recursive extraction logic
- Expand test coverage for nested and edge-case filtering
- Add --fields for comma-separated field selection on JSON output
- Add --jq for jq expression filtering powered by gojq library
- Integrate filters into output formatter pipeline
- Add internal/validate with control char rejection, ANSI stripping,
URL query/fragment stripping, and terminal sanitization
- Refactor output/sanitize.go to delegate to validate package
- Update sanitize test to reflect ANSI escape stripping behavior
wxianfeng