Add destructive confirmation and import guidance

apps/ui/js/wizard-live.js

@@ -185,6 +185,22 @@ function showWizardLiveStatus(title, text, isError) {
   root.classList.toggle('is-success', !isError);
 }
 
+function showPendingImportGuidance() {
+  var raw = sessionStorage.getItem('crank_import_guidance');
+  if (!raw) return;
+  sessionStorage.removeItem('crank_import_guidance');
+  try {
+    var warnings = JSON.parse(raw);
+    if (!Array.isArray(warnings) || warnings.length === 0) return;
+    showWizardLiveStatus(
+      tKey('wizard.yaml.imported_with_warnings'),
+      warnings.map(function(warning) { return '• ' + warning; }).join('\n')
+    );
+  } catch (_) {
+    // Ignore invalid stale session data.
+  }
+}
+
 function currentDraftVersion() {
   if (wizardCurrentOperation && wizardCurrentOperation.draft_version_ref) {
     return wizardCurrentOperation.draft_version_ref.version;
@@ -487,6 +503,9 @@ async function importWizardYaml() {
     return;
   }
   var imported = await window.CrankApi.importOperation(wizardWorkspaceId, yamlDocument, 'upsert');
+  if (Array.isArray(imported.warnings) && imported.warnings.length > 0) {
+    sessionStorage.setItem('crank_import_guidance', JSON.stringify(imported.warnings));
+  }
   showWizardLiveStatus(tKey('wizard.yaml.imported'), tKey('wizard.yaml.imported_body'));
   window.location.href = window.location.pathname + '?mode=edit&operationId=' + encodeURIComponent(imported.operation_id);
 }
@@ -587,9 +606,10 @@ function copyTestResponseToOutputSample() {
   showWizardLiveStatus(tKey('wizard.test.response_copied'), tKey('wizard.test.response_copied_body'));
 }
 
-window.CrankWizardLive = {
+  window.CrankWizardLive = {
   saveOperation: saveOperation,
   loadOperationForEdit: loadOperationForEdit,
+  showPendingImportGuidance: showPendingImportGuidance,
   bindWizardLiveActions: bindWizardLiveActions,
   updateWizardProtocolVisibility: updateWizardProtocolVisibility,
   renderAgentFacingPreview: renderAgentFacingPreview,