- Detect compressed TAR formats (gz, bz2, xz, lz, zst, Z) in TarFactory.OpenArchive
- Decompress to MemoryStream for Archive API seekability requirement
- Handle async-only streams by skipping format detection
- Add tests for all compressed TAR formats with ArchiveFactory
Co-authored-by: adamhathcock <527620+adamhathcock@users.noreply.github.com>