feat(cli): start, message, and read threads from the terminal with t3 thread (#22732)

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
955b4cc801Theo Browne committed on 10/21/2026, 8:17:04 AM· committed by GitHubparent28a8d2b
8 files changedLine totals unavailable