63b39b7040
- Added archive and member size assertion limits along with path byte-length checks for PAX and GNU metadata targets. - Added support for global PAX attributes, old-GNU name records, and signed GNU base-256 numeric header fields. - Updated archive reading in WriteTool to accept a filesystem path instead of buffered bytes. - Added test coverage for signed GNU base-256 values, PAX extensions, overlong path rejections, and oversized archives.