User-approved goal from the modpod characterization session. The modpod module
carries broken tar-era code (undefined tar::readHeader connect path,
::tarjar::connected reference, con/connected + versionpart typos, malformed
set/lindex constructs, debug stderr, unimplemented wrapped get) while the live
zip surface (make_zip_modpod + self-mount stub) has ZERO automated tests
anywhere - the detail file inventories both with line refs.
Preservation-aware by design: tarjar-system artifacts (vendored tarjar-2.4.3.tm
carrying the G-110 .TclSoCache prior art, the _build #tarjar tree, cli
#tarjar-* build branch, libunknown skip-globs) are assess-only with
per-item user-confirmed dispositions - old tarjar material at
c:/tclmodules/main (incl the intermediate tarpack generation) is preserved and
migrated manually by the user, outside this goal.
Acceptance: defects dispositioned + recorded, tarjar grep clean-or-deliberate,
testsuite (wrap -> require from disk + zipfs paths, binary payload, unwrapped
redirect, both -offsettype forms) passing on tcl9 kit + 8.6 (or recorded G-034
limitation), re-vendored into shellspy.
Assisted-by: harness=claude; primary-model=claude-fable-5; api-location=anthropic.com