Add a feature to notify users about pending client calls

Introduce functionality for tracking and displaying pending client calls. This includes new API endpoints for fetching and marking clients as called, along with frontend components to alert users and manage these calls.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 95e8aab4-f39f-4b48-aa57-a759ec15ba3d
Replit-Commit-Checkpoint-Type: intermediate_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/1957c339-2757-4d1f-8e92-e9f71a1ce58e/95e8aab4-f39f-4b48-aa57-a759ec15ba3d/U4JJoTO

tailwind.config.ts

@@ -14,7 +14,12 @@ export default {
     'p-3', 'p-4', 'px-3', 'px-4', 'py-2', 'py-3',
     'gap-2', 'gap-3', 'gap-4', 'sm:gap-4',
     'order-1', 'order-2', 'sm:order-1', 'sm:order-2',
-    'flex-col', 'sm:flex-row', 'justify-stretch', 'sm:justify-end'
+    'flex-col', 'sm:flex-row', 'justify-stretch', 'sm:justify-end',
+    // Classes pour alertes appels clients (production-safe)
+    'bg-orange-50', 'border-orange-200', 'text-orange-700', 'bg-orange-600', 'hover:bg-orange-700',
+    'bg-green-600', 'hover:bg-green-700', 'bg-blue-600', 'hover:bg-blue-700',
+    'sticky', 'top-0', 'z-50', 'cursor-pointer',
+    'max-w-2xl', 'w-full', 'mx-4', 'max-h-[80vh]', 'overflow-y-auto'
   ],
   theme: {
     extend: {