memoryd: recall asks Honcho after the local index, outside the state lock

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

crates/memoryd/src/honcho/search.rs

@@ -24,6 +24,22 @@ pub const SOURCE_WAIT: Duration = Duration::from_secs(5);
 /// The line in place of Honcho's items when the query holds a known-prefix secret.
 pub const SECRET: &str = "honcho: not asked; the query looks like it holds a secret";
 
+/// What `recall` reads in Honcho: the sources, the owner's peer, and each source's limit
+/// (`SOURCE_WAIT` in `memoryd`).
+pub struct Reading {
+    pub readers: Arc<Readers>,
+    pub owner: String,
+    pub wait: Duration,
+}
+
+impl Reading {
+    /// `recall`'s answer from the local index's items and Honcho's: `search`, then `answer`.
+    pub fn recall(&self, local: Local, args: &RecallArgs, log: &Log) -> Recalled {
+        let searched = search(&self.readers, &self.owner, args, self.wait, log);
+        answer(local, &args.query, args.k, searched)
+    }
+}
+
 /// What the Honcho part found.
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub enum Searched {