memoryd: Honcho's results as recall items, kept, labelled and interleaved

Co-Authored-By: ornith-1.5-35b-a3b <agent@wntrmute.dev>

crates/memoryd/src/recall.rs

@@ -44,7 +44,7 @@ pub fn terms(query: &str) -> Option<String> {
 }
 
 /// `2026-09-20 14:02 UTC` from `2026-09-20T14:02:00.000Z` or `2026-09-20T14:02Z`.
-fn when(time: &str) -> String {
+pub(crate) fn when(time: &str) -> String {
     // The first 10 characters (the day) and characters 11 to 16 (the clock), as format!("{day}
     // {clock} UTC"): both 2026-09-20T14:02:00.000Z and 2026-09-20T14:02Z give 2026-09-20 14:02 UTC.
     // When either `get` is None, the time unchanged.