Which component is crucial for ensuring passenger safety during the installation of elevator doors?

The crucial component for ensuring passenger safety during the installation of elevator doors is the anti-jump devices. These mechanisms are specifically designed to prevent the elevator car from overshooting the landing and potentially causing harm to passengers. They detect any irregular movement of the car and act to keep it in place, ensuring that doors open only when the car is properly aligned with the landing. This is essential in preventing accidents that may occur if someone were to enter or exit the elevator while it is not safely positioned.

In contrast, the other options, while they may contribute to various aspects of elevator function or comfort, do not have the direct safety role that anti-jump devices provide. Decorative panels enhance aesthetics but do not impact safety; advanced lighting can improve visibility but does not prevent accidents; and noise reduction materials enhance comfort but do not prevent misalignment or unsafe conditions during boarding or exiting the elevator.