feat: implement browser extension UI with WebAssembly integration

kvstore/tests/native.rs

@@ -31,3 +31,22 @@ async fn test_native_store_basic() {
     let keys = store.keys().await.unwrap();
     assert_eq!(keys.len(), 0);
 }
+
+#[tokio::test]
+async fn test_native_store_persistence() {
+    let tmp_dir = tempfile::tempdir().unwrap();
+    let path = tmp_dir.path().join("persistdb");
+    let db_path = path.to_str().unwrap();
+    // First open, set value
+    {
+        let store = NativeStore::open(db_path).unwrap();
+        store.set("persist", b"value").await.unwrap();
+    }
+    // Reopen and check value
+    {
+        let store = NativeStore::open(db_path).unwrap();
+        let val = store.get("persist").await.unwrap();
+        assert_eq!(val, Some(b"value".to_vec()));
+    }
+}
+