diff --git a/rust/crates/runtime/src/session_control.rs b/rust/crates/runtime/src/session_control.rs
index 561da6ca..7fac1005 100644
--- a/rust/crates/runtime/src/session_control.rs
+++ b/rust/crates/runtime/src/session_control.rs
@@ -606,7 +606,8 @@ mod tests {
         create_managed_session_handle_for, delete_managed_session_for, fork_managed_session_for,
         is_session_reference_alias, list_managed_sessions_for, load_managed_session_for,
         managed_session_exists_for, resolve_session_reference_for, workspace_fingerprint,
-        ManagedSessionSummary, SessionControlError, SessionStore, LATEST_SESSION_REFERENCE,
+        ManagedSessionSummary, SessionControlError, SessionStore,
+        LATEST_SESSION_REFERENCE,
     };
     use crate::session::Session;
     use std::fs;
@@ -1030,6 +1031,33 @@ mod tests {
         fs::remove_dir_all(base).expect("temp dir should clean up");
     }
 
+
+    #[test]
+    fn session_exists_and_delete_are_scoped_to_workspace_store() {
+        // given
+        let base = temp_dir();
+        fs::create_dir_all(&base).expect("base dir should exist");
+        let store = SessionStore::from_cwd(&base).expect("store should build");
+        let session = persist_session_via_store(&store, "delete me");
+
+        // when
+        assert!(
+            managed_session_exists_for(&base, &session.session_id).expect("exists should run"),
+            "persisted session should exist before deletion"
+        );
+        let deleted =
+            delete_managed_session_for(&base, &session.session_id).expect("delete should succeed");
+
+        // then
+        assert_eq!(deleted.id, session.session_id);
+        assert!(!deleted.path.exists(), "session file should be removed");
+        assert!(
+            !managed_session_exists_for(&base, &session.session_id).expect("exists should run"),
+            "deleted session should not exist"
+        );
+        fs::remove_dir_all(base).expect("temp dir should clean up");
+    }
+
     #[test]
     fn session_exists_and_delete_are_scoped_to_workspace_store() {
         // given