Function onMouseLeave

src/core/createRenderCoordinator.ts:2501–2513

(_payload: ChartGPUEventPayload)

  };

  const onMouseLeave = (_payload: ChartGPUEventPayload): void => {
    // Only clear interaction overlays for real pointer interaction.
    // If we're being driven by a sync-x, leaving the canvas shouldn't hide the overlays.
    if (pointerState.source !== 'mouse') return;

    pointerState = { ...pointerState, isInGrid: false, hasPointer: false };
    crosshairRenderer.setVisible(false);
    hideTooltip();
    emitCrosshairCallback(null);
    emitHoverCallback(null);
    setInteractionXInternal(null, 'mouse');
    requestRender();
  };

  // Register event listeners only if event manager is available (HTMLCanvasElement).
  if (eventManager) {