Development record

The v0.15.1 release review found the brief at .abcd/development/brief/04-surfaces/39-status.md 'What it shows' out of step with the shipped code. It says: lists announcements, doubtful branches, then the reservations block and the grants line In the code: abcd status --help also reports a live drain lane's stage and each holder's hand-backs from the last day; JSON also carries unread_names, branches_not_read, branches_left_to_read, announcements_not_read, not_dropped, local_tier_missing, read_error that the doc's key list omits