[BUG] When adding a new entry in model specs list, old entries get overwritten

[JeanBaptiste-dlb]

Screen.Recording.2026-08-07.at.11.19.40.mov

Hi,
so here in tab model specs, I have 2 agents:

If I click add entry and write a field, the first agent in the list is dropped and replace by the new entity.

Fix suggested by Claude:

happend instead of prepend

setKeys((prev) => [...prev, newKey]);
   onChange([...items, {}]);