feat(ux): improve keyboard shortcuts and onboarding flow

src/ui/app/AppRoot.tsx

@@ -164,11 +164,8 @@ export function AppRoot(): VNode {
       applyTheme('light');
     });
 
-    sf.getOnboarding().then(progress => {
-      if (!progress.dismissedAt && progress.completedSteps.length === 0) {
-        setShowOnboarding(true);
-      }
-    }).catch(() => {});
+    // Onboarding modal is no longer auto-shown on first launch. Users can
+    // open it from the Home "Getting started" surface when they choose.
   }, []);
 
   useEffect(() => {
@@ -217,7 +214,7 @@ export function AppRoot(): VNode {
         () => setRoute('import'),
       ),
       shortcutRegistry.register(
-        { id: 'toggle-undo', defaultKeys: 'ctrl+z', description: 'Toggle undo panel', scope: 'global' },
+        { id: 'toggle-undo', defaultKeys: 'ctrl+shift+z', description: 'Toggle undo panel', scope: 'global' },
         () => setUndoPanelOpen(v => !v),
       ),
     ];

src/ui/components/OnboardingWizard.tsx

@@ -28,15 +28,15 @@ type OnboardingCategory = OnboardingStep['category'];
 /** Category display labels in presentation order. */
 const ONBOARDING_CATEGORIES: OnboardingCategory[] = [
   'getting-started',
-  'data-push',
+  'import',
   'query',
   'advanced',
 ];
 
 /** Human-readable labels for each category. */
 const CATEGORY_LABELS: Record<OnboardingCategory, string> = {
   'getting-started': 'Getting Started',
-  'data-push': 'Data Push',
+  'import': 'Import',
   'query': 'Query',
   'advanced': 'Advanced',
 };

src/ui/screens/HelpScreen.tsx

@@ -31,9 +31,9 @@ const HELP_CATEGORIES: Array<{
     filter: (s) => s.category === 'getting-started',
   },
   {
-    name: 'Data Push',
+    name: 'Import',
     description: 'Upload files, map fields, push records, and review push history.',
-    filter: (s) => s.category === 'data-push',
+    filter: (s) => s.category === 'import',
   },
   {
     name: 'Query & Objects',

src/ui/utils/onboarding.ts

@@ -14,7 +14,7 @@ export interface OnboardingStep {
   title: string;
   description: string;
   targetRoute?: AppRoute;
-  category: 'getting-started' | 'data-push' | 'query' | 'advanced';
+  category: 'getting-started' | 'import' | 'query' | 'advanced';
   /** Opens a bounded, non-sensitive example in the relevant workflow. */
   example?: 'export' | 'import';
 }
@@ -59,22 +59,22 @@ export const ONBOARDING_STEPS: OnboardingStep[] = [
     title: 'Upload Data from a File',
     description: 'Upload a CSV or Excel file to prepare data for pushing to Salesforce. WaveLink will parse and preview your records.',
     targetRoute: APP_ROUTES.import,
-    category: 'data-push',
+    category: 'import',
     example: 'import',
   },
   {
     id: 'push-data',
     title: 'Push Data to Salesforce',
     description: 'Map your uploaded fields to Salesforce fields and push records using insert, update, upsert, or delete operations.',
     targetRoute: APP_ROUTES.import,
-    category: 'data-push',
+    category: 'import',
   },
   {
     id: 'use-templates',
     title: 'Save and Use Data Templates',
     description: 'Save your field mappings and sample data as reusable templates for repeated data push operations.',
     targetRoute: APP_ROUTES.templates,
-    category: 'data-push',
+    category: 'import',
   },
 
   // ── Advanced ──

src/ui/utils/shortcuts.ts

@@ -98,6 +98,22 @@ class ShortcutRegistryImpl {
   }
 
   handleKeydown(e: KeyboardEvent): boolean {
+    // Never hijack native undo/redo/editing inside text inputs unless the
+    // binding uses a modifier combo that users don't expect to conflict
+    // (ctrl+shift, ctrl+alt, etc.). Plain ctrl+z / ctrl+y must pass through.
+    const target = e.target as HTMLElement | null;
+    if (target) {
+      const tag = target.tagName.toLowerCase();
+      const isEditable =
+        tag === 'input' ||
+        tag === 'textarea' ||
+        tag === 'select' ||
+        target.isContentEditable;
+      if (isEditable && !e.shiftKey && !e.altKey) {
+        return false;
+      }
+    }
+
     const normalized = normalizeKeys(e);
     const id = this.keyIndex.get(normalized);
     if (!id) return false;