Add comprehensive admin features and multi-system integration

- Add admin dashboard with sync controls and data browser
- Implement RMM, Auvik, and Addigy organization mappings
- Add chunked ticket sync with progress tracking
- Implement entity sync service with rate limiting
- Add analytics engine and performance optimizer
- Create data browser for all PSA entities
- Add navigation components and UI improvements
- Implement background processing and sync services
- Add comprehensive documentation and migration scripts
- Update configuration items with multi-system support
- Enhance contact management and purchase history
- Add issue type assignment and LLM analyzer
- Improve error handling and logging utilities

app/admin/data-browser/page.tsx

@@ -0,0 +1,61 @@
+'use client';
+
+import { useState } from 'react';
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card';
+import { Button } from '@/components/ui/button';
+import { Database, Table2, Users, Ticket, CheckSquare, FolderKanban, Wrench, Tag, ArrowLeft, Home, Clock } from 'lucide-react';
+import Link from 'next/link';
+
+const entities = [
+  { name: 'Companies', icon: Users, path: '/admin/data-browser/companies', description: 'View all companies' },
+  { name: 'Tickets', icon: Ticket, path: '/admin/data-browser/tickets', description: 'Browse support tickets' },
+  { name: 'Tasks', icon: CheckSquare, path: '/admin/data-browser/tasks', description: 'View all tasks' },
+  { name: 'Projects', icon: FolderKanban, path: '/admin/data-browser/projects', description: 'Browse projects' },
+  { name: 'Time Entries', icon: Clock, path: '/admin/data-browser/time-entries', description: 'View time tracking data' },
+  { name: 'Resources', icon: Users, path: '/admin/data-browser/resources', description: 'View resources/users' },
+  { name: 'Configuration Items', icon: Wrench, path: '/admin/data-browser/configuration-items', description: 'Browse config items' },
+  { name: 'Contacts', icon: Users, path: '/admin/data-browser/contacts', description: 'View contacts' },
+  { name: 'Contracts', icon: Table2, path: '/admin/data-browser/contracts', description: 'Browse contracts' },
+  { name: 'Issue Types', icon: Tag, path: '/admin/data-browser/issue-types', description: 'Browse issue types' },
+  { name: 'Sub-Issue Types', icon: Tag, path: '/admin/data-browser/sub-issue-types', description: 'Browse sub-issue types' },
+];
+
+export default function DataBrowserPage() {
+  return (
+    <div className="container mx-auto p-6 space-y-6">
+      <div className="flex items-center gap-4">
+        <Link href="/">
+          <Button variant="outline" size="sm" className="gap-2">
+            <ArrowLeft className="w-4 h-4" />
+            <Home className="w-4 h-4" />
+            <span className="hidden sm:inline">Back to Dashboard</span>
+          </Button>
+        </Link>
+        <Database className="w-8 h-8" />
+        <div>
+          <h1 className="text-3xl font-bold">Database Browser</h1>
+          <p className="text-muted-foreground">Inspect synced data from PostgreSQL</p>
+        </div>
+      </div>
+
+      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-4">
+        {entities.map((entity) => {
+          const Icon = entity.icon;
+          return (
+            <Link key={entity.name} href={entity.path}>
+              <Card className="hover:bg-accent transition-colors cursor-pointer h-full">
+                <CardHeader>
+                  <div className="flex items-center gap-2">
+                    <Icon className="w-5 h-5" />
+                    <CardTitle className="text-lg">{entity.name}</CardTitle>
+                  </div>
+                  <CardDescription>{entity.description}</CardDescription>
+                </CardHeader>
+              </Card>
+            </Link>
+          );
+        })}
+      </div>
+    </div>
+  );
+}