d63ad03e98
- add shared terminal UI helpers for colored info/warn/success logs and yes/no prompts - add Python build backend (PEP 517/setup.py wheel build + install) and expose python in interactive spec creation - expand spec/build flags (post_configure, make phase targets/dirs, configure_file, no_strip, no_compress_man) - support split-output staging with internal .depot output dirs, shell helpers (haul/subdestdir), and per-output deps/provides overrides - improve staging with ELF auto-strip and zstd manpage compression (with opt-out flags) - enforce runtime deps before install and support legacy lifecycle hook script names - improve manual source handling with files/urls lists and stricter validation