release: v2.0.6

Redesign the desktop workspace with task sidebars, live filters, clearer settings, and an accessible update dialog.

Harden encrypted backup imports, configuration persistence, history retention, queue snapshots, shutdown recovery, and update installation ordering.

Publish verified Windows artifacts and refreshed English documentation.

lib/settings-import-gate.js

@@ -0,0 +1,19 @@
+function createSettingsImportGate(isUploadRunning) {
+  if (typeof isUploadRunning !== 'function') throw new TypeError('isUploadRunning must be a function');
+  let importing = false;
+  return {
+    begin() {
+      if (importing) throw new Error('Einstellungen werden bereits importiert');
+      if (isUploadRunning()) throw new Error('Während laufender Uploads können keine Einstellungen importiert werden');
+      importing = true;
+    },
+    end() {
+      importing = false;
+    },
+    canStartUpload() {
+      return !importing;
+    }
+  };
+}
+
+module.exports = { createSettingsImportGate };