Table talk may be private, to the seats named and never the gallery, and a line says the round it was said in

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Jm2auWk6RP71CjaAb4FMoG

CONVENTIONS.md

@@ -30,6 +30,10 @@ README.
   *lets the Peanut Gallery talk*; then a watcher signs a name no seat holds
   and their lines read *Name (gallery)*. Each line is a ledger line, so it
   replays with the game, and the hall counts lines said while you were away.
+  A line said while a game is running carries its round (`turn`). A seat
+  may also speak privately, naming seats (`room.say(text, to)`): the line
+  is shown to its sender and those seats alone, never to the gallery, and
+  a game whose talk is its heart puts the choice of whom in its talk box.
 - **A rematch**: a finished table may call for one. A new table of the same
   size opens with the same bots, seats held for the same people, and the
   caller as host; a second call finds it already open. Held seats refuse