Method handleReadyMessage

src/worker/ChartGPUWorkerProxy.ts:1849–1885

* Handles ready message from worker. * Resolves the pending init request and caches performance capabilities.

(message: ReadyMessage)

   * Resolves the pending init request and caches performance capabilities.
   */
  private handleReadyMessage(message: ReadyMessage): void {
    // Mark as initialized to enable event forwarding
    this.isInitialized = true;
    
    // Cache performance capabilities from worker
    this.cachedPerformanceCapabilities = message.performanceCapabilities;
    
    // CRITICAL: Initialize zoom range from ready message
    // The ready message now includes the initial zoom range to avoid race conditions
    // where the slider is created with default [0, 100] before the worker's zoomChange message is processed
    if (message.initialZoomRange) {
      // Update cached zoom range
      this.cachedZoomRange = { start: message.initialZoomRange.start, end: message.initialZoomRange.end };
      
      // If slider exists, update it with the correct initial zoom range
      if (this.zoomState) {
        const currentRange = this.zoomState.getRange();
        // Only update if the slider is still at the default [0, 100] but actual range differs
        if ((currentRange.start === 0 && currentRange.end === 100) &&
            (message.initialZoomRange.start !== 0 || message.initialZoomRange.end !== 100)) {
          this.isProcessingWorkerZoomUpdate = true;
          try {
            this.zoomState.setRange(message.initialZoomRange.start, message.initialZoomRange.end);
          } finally {
            this.isProcessingWorkerZoomUpdate = false;
          }
        }
      }
    }
    
    const pending = this.pendingRequests.get(message.messageId);
    if (pending) {
      clearTimeout(pending.timeout);
      this.pendingRequests.delete(message.messageId);
      pending.resolve(message);
    }
  }
  
  /**
   * Handles hover change messages from worker.