Return existing bootstrap thread IDs in welcome and guard root navigatio

- Server welcome now includes bootstrap project/thread IDs when cwd project/thread already exist
- Added regression test for reconnecting with persisted bootstrap state
- Root route ignores post-dispose welcome handling and marks thread as handled after navigate
49472da669Julius Marminge committed on 2/27/2026, 5:05:53 AM· committed by Julius Marmingeparent69a2eac
3 files changedLine totals unavailable