First seen time for each node

Would this feature be good? We remove the first seen text from the top and add the first seen timestamp for each node in the table. Maybe the earliest one in bold and green. Can be hidden on mobile

<img width="1805" height="1367" alt="Image" src="https://github.com/user-attachments/assets/98d57d5f-c43a-4ecc-b913-dea250e9757d" />