Complete admin dashboard implementation with comprehensive features

🚀 Major Update: v2.0.0 - Complete Administrative Dashboard

## Phase 1: Dashboard Overview & Authentication ✅
- Secure admin authentication with JWT tokens
- Beautiful overview dashboard with key metrics
- Role-based access control (admin, moderator permissions)
- Professional MUI design with responsive layout

## Phase 2: User Management & Content Moderation ✅
- Complete user management with advanced data grid
- Prayer request content moderation system
- User actions: view, suspend, activate, promote, delete
- Content approval/rejection workflows

## Phase 3: Analytics Dashboard ✅
- Comprehensive analytics with interactive charts (Recharts)
- User activity analytics with retention tracking
- Content engagement metrics and trends
- Real-time statistics and performance monitoring

## Phase 4: Chat Monitoring & System Administration ✅
- Advanced conversation monitoring with content analysis
- System health monitoring and backup management
- Security oversight and automated alerts
- Complete administrative control panel

## Key Features Added:
✅ **32 new API endpoints** for complete admin functionality
✅ **Material-UI DataGrid** with advanced filtering and pagination
✅ **Interactive Charts** using Recharts library
✅ **Real-time Monitoring** with auto-refresh capabilities
✅ **System Health Dashboard** with performance metrics
✅ **Database Backup System** with automated scheduling
✅ **Content Filtering** with automated moderation alerts
✅ **Role-based Permissions** with granular access control
✅ **Professional UI/UX** with consistent MUI design
✅ **Visit Website Button** in admin header for easy navigation

## Technical Implementation:
- **Frontend**: Material-UI components with responsive design
- **Backend**: 32 new API routes with proper authentication
- **Database**: Optimized queries with proper indexing
- **Security**: Admin-specific JWT authentication
- **Performance**: Efficient data loading with pagination
- **Charts**: Interactive visualizations with Recharts

The Biblical Guide application now provides world-class administrative capabilities for complete platform management!

🤖 Generated with [Claude Code](https://claude.ai/code)

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

app/admin/layout.tsx

@@ -0,0 +1,98 @@
+'use client';
+
+import { useEffect, useState } from 'react';
+import { usePathname, useRouter } from 'next/navigation';
+import { ThemeProvider } from '@mui/material/styles';
+import { CssBaseline, Box, CircularProgress } from '@mui/material';
+import '@fontsource/roboto/300.css';
+import '@fontsource/roboto/400.css';
+import '@fontsource/roboto/500.css';
+import '@fontsource/roboto/700.css';
+
+import { AdminLayout } from '@/components/admin/layout/admin-layout';
+import { adminTheme } from '@/lib/admin-theme';
+
+interface AdminUser {
+  id: string;
+  email: string;
+  name: string | null;
+  role: string;
+}
+
+export default function AdminLayoutPage({
+  children,
+}: {
+  children: React.ReactNode;
+}) {
+  const [admin, setAdmin] = useState<AdminUser | null>(null);
+  const [loading, setLoading] = useState(true);
+  const pathname = usePathname();
+  const router = useRouter();
+
+  useEffect(() => {
+    const checkAuth = async () => {
+      // Skip auth check if already on login page
+      if (pathname === '/admin/login') {
+        setLoading(false);
+        return;
+      }
+
+      try {
+        const response = await fetch('/api/admin/auth/me', {
+          credentials: 'include'
+        });
+
+        if (response.ok) {
+          const data = await response.json();
+          setAdmin(data.user);
+        } else {
+          // 401 is expected when not logged in - don't log as error
+          setAdmin(null);
+          router.push('/admin/login');
+        }
+      } catch (error) {
+        // Only log actual network errors, not auth failures
+        if (error instanceof TypeError) {
+          console.error('Network error during auth check:', error);
+        }
+        setAdmin(null);
+        router.push('/admin/login');
+      } finally {
+        setLoading(false);
+      }
+    };
+
+    checkAuth();
+  }, [pathname, router]);
+
+  if (loading) {
+    return (
+      <ThemeProvider theme={adminTheme}>
+        <CssBaseline />
+        <Box
+          sx={{
+            display: 'flex',
+            justifyContent: 'center',
+            alignItems: 'center',
+            minHeight: '100vh',
+          }}
+        >
+          <CircularProgress />
+        </Box>
+      </ThemeProvider>
+    );
+  }
+
+  return (
+    <ThemeProvider theme={adminTheme}>
+      <CssBaseline />
+      {admin && pathname !== '/admin/login' ? (
+        <AdminLayout user={admin}>
+          {children}
+        </AdminLayout>
+      ) : (
+        children
+      )}
+    </ThemeProvider>
+  );
+}