Conversation `-1` instead of `_end`#1197

Merged

martindevans merged 2 commits intoSciSharp:masterfrom

martindevans:batch_executor_neg_one

May 31, 2025

Commits on May 31, 2025

Using `-1` for start/end positions in `Conversation`. This eliminate the possibility of KV cache leaks due to bugs with `_end` getting out of sync.
martindevans
committed
Fixed `Remove` comment
martindevans
committed