Method spawnOne

src/mcp/query-pool.ts:203–217

()

  private everReady = false;

  private spawnOne(): void {
    if (this.destroyed || this.workers.size >= this.maxSize) return;
    let w: PoolWorker;
    try {
      w = this.createWorker();
    } catch {
      this.totalCrashes++; // counts toward the circuit breaker
      return;
    }
    this.workers.add(w);
    this.pendingWorkers.add(w);
    w.on('message', (m) => this.onMessage(w, (m ?? {}) as WorkerMessage));
    w.on('error', () => this.onWorkerGone(w));
    w.on('exit', (code) => { if (code !== 0) this.onWorkerGone(w); });
  }

  private onMessage(w: PoolWorker, m: WorkerMessage): void {
    if (!m) return;