Brings in the two commits main gained: #472 (CLI cleanup — remove `info`,
split `list active` into a top-level `active`, simplify `list`) and the
terminology glossary. #472 was written against the old flat cli/ layout,
so its semantics are reconciled into the reorg'd cli/commands/ structure:
* new `active` command lives at cli/commands/active.py, registered in
the lazy registry and listed in `help` (not left at the flat path).
* `info` removed: deleted cli/commands/info.py, dropped from the
registry and `help`.
* `list` simplified to list-available-only, using the reorg's
os.getcwd()/constants.PROG conventions.
* the `list active` -> `active` doc wording applied to the backend
docstrings that our split moved into base.py / selection.py.
Our reorg wins for the fully-rewritten dispatcher (cli/__init__ shim,
backend facade). pyright: 0 errors. Full unit suite green (2243).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
