agent-harness v0.7.13
Native Windows import-safety repair for #327.
- phase-loop CLI entrypoint now imports on native Windows
- POSIX PTY execution fails closed as claude_tui_unsupported_platform when unavailable
- Claude remains subscription-TUI-only with no API or native Task fallback
- full multi-Python and clean-room wheel gates passed
v0.7.12 was not published: tag/version validation rejected it before build or upload.