What
The session's saved state now has two new records, classifierLines and classifierCompactions, kept separately for each agent. An agent here is a Claude worker inside the session, such as the main one or a helper it starts. When the session state is reset, these records are deleted except for agents that are still being kept.
Why
In practice, clearing the state no longer wipes classifier history that belongs to agents that are still running.
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubt
The finding does not say what the classifier is or what these lines are used for.