Manages the welcome overlay that appears when no objects are in the scene. Non-blocking version that allows interaction with UI panels.
Attach event listeners
Create the overlay HTML structure
Clean up and remove overlay
Check if overlay is currently visible
Handle get started button click
Hide the overlay
Initialize the overlay component
Show the overlay
Toggle overlay visibility
Manages the welcome overlay that appears when no objects are in the scene. Non-blocking version that allows interaction with UI panels.