diff --git a/codex-rs/core-api/src/lib.rs b/codex-rs/core-api/src/lib.rs
index 790079ec30..00abce96ce 100644
--- a/codex-rs/core-api/src/lib.rs
+++ b/codex-rs/core-api/src/lib.rs
@@ -28,6 +28,7 @@ pub use codex_core::ForkSnapshot;
 pub use codex_core::McpManager;
 pub use codex_core::NewThread;
 pub use codex_core::StartThreadOptions;
+pub use codex_core::StateDbAccess;
 pub use codex_core::StateDbHandle;
 pub use codex_core::ThreadManager;
 pub use codex_core::ThreadShutdownReport;
diff --git a/codex-rs/core/src/thread_manager.rs b/codex-rs/core/src/thread_manager.rs
index c85e549a13..6647e1a7c4 100644
--- a/codex-rs/core/src/thread_manager.rs
+++ b/codex-rs/core/src/thread_manager.rs
@@ -403,7 +403,7 @@ impl ThreadManager {
         let skills_watcher = build_skills_watcher(Arc::clone(&skills_manager));
         // This test constructor has no Config input. Tests that need a non-local
         // process store should construct ThreadManager::new with an explicit store.
-        let state_db_access = StateDbAccess::new(state_db.clone());
+        let state_db_access = StateDbAccess::new(state_db);
         let thread_store: Arc<dyn ThreadStore> = Arc::new(LocalThreadStore::new(
             LocalThreadStoreConfig {
                 codex_home: codex_home.clone(),