Make bundled Python protocol ZIPs lossless to round-trip and safe to consume.

Make bundled Python protocol ZIPs lossless to round-trip and safe to consume.: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). Treat every non-directory archive member name as a relative POSIX path before extract bundle() classifies or ignores it. Reject the…