feat: comprehensive update with Signal, Copilot, themes, and PDF features

## Signal Messaging Integration
- Added SignalService for sending messages to drivers via Signal
- SignalMessage model for tracking message history
- Driver chat modal for real-time messaging
- Send schedule via Signal (ICS + PDF attachments)

## AI Copilot
- Natural language interface for VIP Coordinator
- Capabilities: create VIPs, schedule events, assign drivers
- Help and guidance for users
- Floating copilot button in UI

## Theme System
- Dark/light/system theme support
- Color scheme selection (blue, green, purple, orange, red)
- ThemeContext for global state
- AppearanceMenu in header

## PDF Schedule Export
- VIPSchedulePDF component for schedule generation
- PDF settings (header, footer, branding)
- Preview PDF in browser
- Settings stored in database

## Database Migrations
- add_signal_messages: SignalMessage model
- add_pdf_settings: Settings model for PDF config
- add_reminder_tracking: lastReminderSent for events
- make_driver_phone_optional: phone field nullable

## Event Management
- Event status service for automated updates
- IN_PROGRESS/COMPLETED status tracking
- Reminder tracking for notifications

## UI/UX Improvements
- Driver schedule modal
- Improved My Schedule page
- Better error handling and loading states
- Responsive design improvements

## Other Changes
- AGENT_TEAM.md documentation
- Seed data improvements
- Ability factory updates
- Driver profile page

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/src/App.tsx

@@ -4,6 +4,7 @@ import { Auth0Provider } from '@auth0/auth0-react';
 import { Toaster } from 'react-hot-toast';
 import { AuthProvider } from '@/contexts/AuthContext';
 import { AbilityProvider } from '@/contexts/AbilityContext';
+import { ThemeProvider } from '@/contexts/ThemeContext';
 import { ProtectedRoute } from '@/components/ProtectedRoute';
 import { Layout } from '@/components/Layout';
 import { ErrorBoundary } from '@/components/ErrorBoundary';
@@ -20,6 +21,20 @@ import { EventList } from '@/pages/EventList';
 import { FlightList } from '@/pages/FlightList';
 import { UserList } from '@/pages/UserList';
 import { AdminTools } from '@/pages/AdminTools';
+import { DriverProfile } from '@/pages/DriverProfile';
+import { MySchedule } from '@/pages/MySchedule';
+import { useAuth } from '@/contexts/AuthContext';
+
+// Smart redirect based on user role
+function HomeRedirect() {
+  const { backendUser } = useAuth();
+
+  // Drivers go to their schedule, everyone else goes to dashboard
+  if (backendUser?.role === 'DRIVER') {
+    return <Navigate to="/my-schedule" replace />;
+  }
+  return <Navigate to="/dashboard" replace />;
+}
 
 const queryClient = new QueryClient({
   defaultOptions: {
@@ -37,6 +52,7 @@ const audience = import.meta.env.VITE_AUTH0_AUDIENCE;
 function App() {
   return (
     <ErrorBoundary>
+      <ThemeProvider>
       <Auth0Provider
         domain={domain}
         clientId={clientId}
@@ -61,22 +77,24 @@ function App() {
               position="top-right"
               toastOptions={{
                 duration: 4000,
+                className: 'bg-card text-card-foreground border border-border shadow-elevated',
                 style: {
-                  background: '#333',
-                  color: '#fff',
+                  background: 'hsl(var(--card))',
+                  color: 'hsl(var(--card-foreground))',
+                  border: '1px solid hsl(var(--border))',
                 },
                 success: {
                   duration: 3000,
                   iconTheme: {
-                    primary: '#10b981',
-                    secondary: '#fff',
+                    primary: 'hsl(142, 76%, 36%)',
+                    secondary: 'hsl(0, 0%, 100%)',
                   },
                 },
                 error: {
                   duration: 5000,
                   iconTheme: {
-                    primary: '#ef4444',
-                    secondary: '#fff',
+                    primary: 'hsl(0, 84%, 60%)',
+                    secondary: 'hsl(0, 0%, 100%)',
                   },
                 },
               }}
@@ -102,8 +120,10 @@ function App() {
                         <Route path="/flights" element={<FlightList />} />
                         <Route path="/users" element={<UserList />} />
                         <Route path="/admin-tools" element={<AdminTools />} />
-                        <Route path="/" element={<Navigate to="/dashboard" replace />} />
-                        <Route path="*" element={<Navigate to="/dashboard" replace />} />
+                        <Route path="/profile" element={<DriverProfile />} />
+                        <Route path="/my-schedule" element={<MySchedule />} />
+                        <Route path="/" element={<HomeRedirect />} />
+                        <Route path="*" element={<HomeRedirect />} />
                       </Routes>
                     </Layout>
                   </ProtectedRoute>
@@ -115,6 +135,7 @@ function App() {
           </AuthProvider>
         </QueryClientProvider>
       </Auth0Provider>
+      </ThemeProvider>
     </ErrorBoundary>
   );
 }