fix(daemon): reject dead structured sessions

crates/maestro-daemon/tests/local_api.rs

@@ -445,7 +445,7 @@ async fn structured_replay_pages_projected_events_in_cursor_order() {
 }
 
 #[tokio::test]
-async fn structured_replay_rejects_unknown_and_terminal_sessions() {
+async fn structured_replay_rejects_unknown_terminal_and_dead_sessions() {
     let h = spawn("naps-laptop").await;
     let client = reqwest::Client::new();
     let unknown = client
@@ -478,6 +478,40 @@ async fn structured_replay_rejects_unknown_and_terminal_sessions() {
         .await
         .unwrap();
     assert_eq!(response.status(), reqwest::StatusCode::CONFLICT);
+
+    let fake = FakeAcp::new();
+    let dead = structured_session(&h, &fake).await;
+    h.manager.shutdown().await;
+    assert_eq!(h.manager.status(dead).await, Some(SessionStatus::Dead));
+    let response = client
+        .get(url(
+            h.addr,
+            &format!("/api/sessions/{dead}/structured/replay"),
+        ))
+        .send()
+        .await
+        .unwrap();
+    assert_eq!(response.status(), reqwest::StatusCode::CONFLICT);
+    let error: ApiError = response.json().await.unwrap();
+    assert_eq!(error.error.code, "not_structured");
+}
+
+#[tokio::test]
+async fn structured_ws_rejects_a_dead_session() {
+    let h = spawn("naps-laptop").await;
+    let fake = FakeAcp::new();
+    let id = structured_session(&h, &fake).await;
+    h.manager.shutdown().await;
+    assert_eq!(h.manager.status(id).await, Some(SessionStatus::Dead));
+
+    let err = connect_async(ws_url(h.addr, &format!("/api/structured/{id}")))
+        .await
+        .expect_err("dead structured session must not upgrade");
+    let message = err.to_string();
+    assert!(
+        message.contains("409") || message.to_lowercase().contains("conflict"),
+        "{message}"
+    );
 }
 
 #[tokio::test]