The keeper can say a word at a table through the keeper's door, signed as the keeper and heard whether or not the gallery may talk, so a call answered too late, after the duel began, can still be answered; waving-hands-say.sh sends it

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0141G6xqLeNRYEtviLWSB5Up

deploy/README.md

@@ -57,6 +57,9 @@ A fresh host, when one is needed: `doctl compute droplet create hall --region ny
   through the duel server's `/keeper` door, which Caddy does not proxy and
   which asks for the key in /etc/waving-hands/keeper.key, made by the deploy
   and readable by root and the waving-hands user alone.
+- `waving-hands-say.sh ROOM "text"`: a word from the keeper in a table's
+  talk, signed as the keeper, through the same door; it is heard whether or
+  not the gallery may talk, so a call that came too late can be answered.
 - `waving-hands-pulse.sh`: the weekly health check (service, errors, rollup
   trend, backup, box).
 - `waving-hands-rollup.sh [day]`: one JSON line per day of counts, run