Method handler

src/node/services/terminalService.ts:719–725

(data: string)

    // Without this, a crashy listener would also crash the Electron main process via
    // process.uncaughtException (see emitOutput's defense-in-depth notes).
    const handler = (data: string) => {
      try {
        callback(data);
      } catch (err) {
        log.warn(`[TerminalService] output listener threw for session ${sessionId}:`, err);
      }
    };
    emitter.on("data", handler);

    return () => {