Burrow 0.14.0

The Touch ID helper now offers itself, and the reviewed clean says what it
removed instead of finishing silently.

Added

Burrow offers the privileged helper. The helper that lets admin
operations authenticate with Touch ID shipped in 0.13.0 behind a single
button in Settings ▸ Advanced, and nothing pointed anyone at it —
upgraders learned about it from the release notes, fresh installs not at all.
It is now offered the way Full Disk Access is: one banner over the window,
informing rather than blocking. At most one notice shows at a time, and
dismissing the helper notice is permanent, because the helper is a
convenience rather than something Burrow needs to work.

The reviewed clean reports what it removed. It deleted exactly what was
ticked and then looked like it had done nothing. That path doesn't run the
engine's cleaner — it deletes each reviewed path with find, which succeeds
silently, so the result screen had no output to show: no items, no freed
total, no done banner. It now reports the paths it was authorized to remove,
grouped by category with their sizes summed, which is a statement of fact
rather than optimism — the run only succeeds after confirming every planned
path is gone.

Nothing changed about what the reviewed clean deletes, or about the checks it
passes before deleting: this release makes it visible, not different.