Clarification of Figure.4 in the main paper

<img width="893" height="653" alt="Image" src="https://github.com/user-attachments/assets/a5d8bb82-643e-484f-864c-d41cb6a33fe5" />

Thank you for your work. I found that the main paper lacks an explanation of Figure 4. Specifically, what are the additional query tokens shown in Figure 4? Are they camera tokens? Thanks in advance :) 