Update readmes and imporve UI

frontend/src/features/demo-onboarding/README.md

@@ -27,6 +27,8 @@ function MyComponent() {
 - ✅ **Conversion CTAs** throughout experience
 - ✅ **Responsive design** across all devices
 - ✅ **Accessibility** (ARIA, keyboard navigation)
+- ✅ **Demo banner** with session status and time remaining countdown
+- ✅ **Exit modal** with benefits reminder and conversion messaging
 
 ## Project Structure
 
@@ -91,9 +93,9 @@ Track tour analytics event.
 ### Desktop (12 steps)
 1. Welcome to Demo Session
 2. Real-time Metrics Dashboard
-3. Intelligent Alerts
-4. Procurement Plans
-5. Production Management
+3. Pending Approvals
+4. System Actions Log
+5. Daily Production Plan
 6. Database Navigation (Sidebar)
 7. Daily Operations (Sidebar)
 8. Analytics & AI (Sidebar)
@@ -151,9 +153,9 @@ The tour targets elements with `data-tour` attributes:
 - `demo-banner` - Demo banner
 - `demo-banner-actions` - Banner action buttons
 - `dashboard-stats` - Metrics grid
-- `real-time-alerts` - Alerts section
-- `procurement-plans` - Procurement section
-- `production-plans` - Production section
+- `pending-po-approvals` - Approval requests
+- `real-time-alerts` - System actions log
+- `today-production` - Daily production plan
 - `sidebar-database` - Database navigation
 - `sidebar-operations` - Operations navigation
 - `sidebar-analytics` - Analytics navigation