Function generate_name_from_task_prompt 

async fn generate_name_from_task_prompt(
    mstore: &Store,
    info: &SubAgent,
    __arg2: (&'static Purpose, &str),
    class: Class,
    build_prompt: fn(&str) -> String,
    still_needed: impl Fn() -> bool,
) -> Option<Generated>

Admit purpose for entity, read info’s own task prompt off its JSONL, borrow its parent block’s CLI, and run build_prompt’s prompt through the name check.