memoryd: sync begins when Honcho is turned on, and conclusions are matched by peer

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

crates/memoryd/tests/support/turns.rs

@@ -4,9 +4,9 @@
 
 use std::path::Path;
 
-use bxcore::{DataClass, LogRecord, SessionId, SessionStateReply};
+use bxcore::{DataClass, LogRecord, SessionId, SessionStateReply, Timestamp};
 
-use crate::logs::{assistant, at, result};
+use crate::logs::{assistant, result};
 
 pub fn sid(s: &str) -> SessionId {
     SessionId::new(s).unwrap()
@@ -19,9 +19,15 @@ pub fn clean() -> SessionStateReply {
     }
 }
 
+/// A speaker's message. Its time is the last one there is, so that it is after any time sync
+/// began (M5c-1 task 15); `spoken_at` gives another.
 pub fn spoken(content: &str, speaker: Option<&str>) -> LogRecord {
+    spoken_at(Timestamp::MAX, content, speaker)
+}
+
+pub fn spoken_at(time: Timestamp, content: &str, speaker: Option<&str>) -> LogRecord {
     LogRecord::User {
-        time: at(1),
+        time,
         content: content.to_string(),
         speaker: speaker.map(str::to_string),
     }