feat(web,mobile): messages from other agents fold into one-line rows (#23135)

Co-authored-by: PR Batch Tester <agent@local.test>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
f054d1b801shivam committed on 10/22/2026, 12:47:02 PM· committed by GitHubparented3f965
3 files changedLine totals unavailable