Method patchConfig

tracker/src/upstream.ts:70–78

(patch: Partial<Config>)

  }

  patchConfig(patch: Partial<Config>): void {
    const msg: ClientMessage = { type: "patchConfig", patch };
    if (this.ws?.readyState === WebSocket.OPEN) {
      this.ws.send(JSON.stringify(msg));
    }
    // Optimistic local merge so the tracker reacts immediately.
    this.config = mergeConfig(this.config, patch);
    this.events.onConfig?.(this.config);
  }

  private open(): void {
    const ws = new WebSocket(this.url);