transform admin panel with comprehensive professional UI

- migrate from SQLite to PostgreSQL with Drizzle ORM
- implement comprehensive AdminLayout with expandable sidebar navigation
- create professional dashboard with real-time charts and metrics
- add advanced monitoring, reporting, and export functionality
- fix menu alignment and remove non-existent pages
- eliminate duplicate headers and improve UI consistency
- add Tailwind CSS v3 for professional styling
- expand database schema from 6 to 15 tables
- implement role-based access control and API key management
- create comprehensive settings, monitoring, and system info pages

lib/api-auth.ts

@@ -49,10 +49,10 @@ export async function validateApiKey(key: string): Promise<ApiKey | null> {
       keyHash: apiKey.keyHash,
       name: apiKey.name,
       permissions: apiKey.permissions ? JSON.parse(apiKey.permissions) : [],
-      rateLimit: apiKey.rateLimit,
-      isActive: apiKey.isActive,
-      lastUsed: apiKey.lastUsed,
-      createdAt: apiKey.createdAt
+      rateLimit: apiKey.rateLimit || 1000,
+      isActive: apiKey.isActive || false,
+      lastUsed: apiKey.lastUsed || undefined,
+      createdAt: apiKey.createdAt || new Date()
     }
   } catch (error) {
     console.error('API key validation error:', error)