//! Summarize lookup logic for [`ContextSummarizeTool`].
usecrate::session::Session;usecrate::session::index::types::{SummaryNode, SummaryRange};/// Look up a cached summary from the session index.
pubfnlookup_cached(session:&Session, range: SummaryRange)->Option<&SummaryNode>{
session.summary_index.get(range)}