feat: enhance export and import workflows with improved error handling and notifications

static/js/alerts.js

@@ -0,0 +1,11 @@
+document.addEventListener("DOMContentLoaded", () => {
+  document.querySelectorAll("[data-toast-close]").forEach((button) => {
+    button.addEventListener("click", () => {
+      const toast = button.closest(".toast");
+      if (toast) {
+        toast.classList.add("hidden");
+        setTimeout(() => toast.remove(), 200);
+      }
+    });
+  });
+});