Recover / reconstruct the input video

Thank you for the inspiring work!

Can VACE do reconstruction to input video when setting mode to plain? When I tried this, I found there is color shift between input and output video, is this normal?

Left: input video.     Right: output video.
<img width="1527" height="460" alt="Image" src="https://github.com/user-attachments/assets/665a84c7-695a-47b4-83bf-1deba2f850bb" />