Fix Claude resume cursor to only persist valid session UUIDs

- Stop synthesizing `resume` from generated thread IDs
- Persist resume session ID from query messages when available
- Validate resume/sessionId values as UUIDs before reuse
- Add tests for valid UUID resume passthrough and no synthesized resume
0616338911Julius Marminge committed on 3/6/2026, 7:00:41 AM· committed by Julius Marmingeparent58427d5
2 files changedLine totals unavailable