Method runTurn

src/bot/types.ts:106–106

* Run one turn for `chatId`'s session with `userText`, driving `sink` for output/approvals. * Returns the final assistant text. Must reject only on fatal errors.

(convKey: string, userText: string, sink: TurnSink, signal: AbortSignal)

   * Returns the final assistant text. Must reject only on fatal errors.
   */
  runTurn(convKey: string, userText: string, sink: TurnSink, signal: AbortSignal): Promise<string>;
  /** Forget the conversation's session so the next turn starts fresh. */
  reset?(convKey: string): Promise<void>;