Preserve original member spellings and central-directory identities while omitting actual root directory markers. Derive entry kind once so Unix symlink facts and size metadata agree; retain traversal and non-directory root rejection.
Verify public inspect/extract workflows for prefixed and root-only archives, distinct duplicate occurrences, and malformed/symlink controls.
Refs #4124
Co-authored-by: Adkid-Zephyr <laufs0310@163.com>
morluto