[iamnbutler]

Several CLI commands printed nothing on success, and ace delete removed a channel with a run in progress without asking.

• One line on success:
  • say → Posted to <channel>.
  • ask --detach → Asked <channel>'s agent; the run continues. Follow it with: ace watch <channel>
  • answer → Answered the question in <channel>.
  • stop → Stopped the run in <channel>. or Nothing was running in <channel>., based on the chat's state before the stop
  • rename → Renamed <old> to <new>.
  • archive → Archived <channel>. Resume it with: ace unarchive <channel>
  • unarchive → Unarchived <channel>.
  • desktop … off → Desktop tools are off for <channel>. Its agents' new desktop calls are refused.
• ace delete on a channel with a run in progress asks <channel> has a run in progress. Delete it anyway? [y/N] in a terminal. Without a terminal it refuses and names --yes, which skips the question.
• ace ls and ace ls --team start with a header row.

Not in this PR: ace ls still shows running for a channel whose worker is up with no run. docs/terms.md only defines Dormant and avoids "idle", so a word for that state needs a terms decision. Also not here: --team's column order, and the serve, demo and --version items in #625. Part of #625. Map: ^422, ^449.

Smoke: loopback source host with its own ACE_HOME, real model.

• new/say/stop/rename/archive/unarchive/desktop off on a new channel printed each line above. stop with nothing running said so.
• ace ls and ace ls --team printed their header rows.
• ask --detach "Run 'sleep 60'…" printed its line. ace delete then refused without a terminal (exit 1). stop printed Stopped the run in clisaid. and delete --yes deleted a busy channel.
• On a pseudo-terminal, answering y to the delete question deleted the channel.
• answer was not exercised (it needs a waiting question).

Built in Ace

No: made from Claude Code (a fix-train worker), using the CLI for the smoke test. Dogfooding gap tracked in #5.