Method openCascade

src/client.js:637–650

()

      // Step 1: Start cascade — with retry on panel-state-not-found
      let cascadeId;
      const openCascade = async () => {
        if (reuseEntry?.cascadeId) {
          log.debug(`Cascade resumed: ${reuseEntry.cascadeId}`);
          return reuseEntry.cascadeId;
        }
        const startProto = buildStartCascadeRequest(this.apiKey, sessionId);
        const startResp = await grpcUnary(
          this.port, this.csrfToken, `${LS_SERVICE}/StartCascade`, grpcFrame(startProto)
        );
        const id = parseStartCascadeResponse(startResp);
        if (!id) throw new Error('StartCascade returned empty cascade_id');
        log.debug(`Cascade started: ${id}`);
        return id;
      };
      try {
        cascadeId = await openCascade();
      } catch (e) {