queue, heartbeat tests: a question in another item's run is no boundary; no held brief, no held note

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

crates/mind-body/src/heartbeat/tests.rs

@@ -1091,3 +1091,12 @@ fn a_trip_and_a_wait_say_so_in_the_trace() {
     beats_until(&rig, 12, || notes().contains(&waiting));
     assert!(notes().contains(&waiting), "{:?}", notes());
 }
+
+#[test]
+fn a_beat_with_no_held_brief_writes_no_held_note() {
+    let (rig, source) = rig_with_a_persona_turn();
+    brief_by(&rig, ANN, crate::persona::AGENT, "free", &source);
+    rig.poll();
+    let notes: Vec<String> = rig.store.traces.borrow().iter().flat_map(|trace| trace.instances.iter().map(|instance| instance.note.clone())).collect();
+    assert!(notes.iter().all(|note| !note.contains("held")), "{notes:?}");
+}

crates/mind-body/src/queue.rs

@@ -604,6 +604,15 @@ mod tests {
         }
     }
 
+    #[test]
+    fn a_question_in_a_run_that_did_not_claim_the_item_is_no_boundary() {
+        let (mind, item) = worked(&[E, E, E]);
+        mind.committed(vec![spec("y")]);
+        mind.committed(vec![run("other", RunTurn::SelfRun, RunOperator::Mind, &[spec_ref("y")])]);
+        mind.committed(vec![question_in("fork", &run_ref("other"))]);
+        assert_eq!(breaker(&mind, &item, &[]).unwrap(), Breaker::Trip { run: run_ref("h2") }, "the question holds y's run, not x's count");
+    }
+
     /// A daemon that is not there: the failure names no input, endpoint or
     /// instance.
     #[test]