* feat(lens): simplify trace inspection in the gateway drawer
* feat(lens): add a conversation view for full traces
* test(lens): keep normalized message fixtures type safe
* refactor(lens): make conversation view read like a chat
* refactor(lens): use a quiet trace view menu
* refactor(lens): make trace view tabs explicit
* refactor(lens): restore compact trace view switch
* fix(lens): preserve complete conversation history and tool types
* feat(lens): add trace full-screen and close controls
* fix(lens): show forwarded answers and agent errors once
* fix(lens): reset full screen when closing a trace
* fix(roi): estimate linked authors and clarify model selection
* fix: preserve trace errors and ROI results across partial failures
* fix(roi): correct pagination variable typing
* fix(ui): place loaded root failures in conversation order
* fix(roi): read estimator recommendations from model catalog
* revert: remove catalog-driven ROI recommendations