Merge pull request #583 from future-agi/feature/th-3418-prod-monitoring-end-to-end

TH-3418: add end-to-end agent testing and production quality monitoring cookbooks

Author: hadarishav

src/lib/navigation.ts

@@ -783,6 +783,14 @@ export const tabNavigation: NavTab[] = [
               },
             ]
           },
+          {
+            title: 'Use Cases',
+            icon: 'flask',
+            items: [
+              { title: 'Test and Fix Your Chat Agent with Simulated Conversations', href: '/docs/cookbook/use-cases/end-to-end-agent-testing' },
+              { title: 'Monitor LLM Quality in Production and Catch Regressions', href: '/docs/cookbook/use-cases/production-quality-monitoring' },
+            ]
+          },
           {
             title: 'Getting Started',
             icon: 'zap',