Grant employees access to system features and tasks

Adjust permissions for employee role to access tasks and supplier data, and allow directors to validate DLC products.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: b163d4c0-de5e-4f4e-a9c0-aed4c7049718
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/1957c339-2757-4d1f-8e92-e9f71a1ce58e/b163d4c0-de5e-4f4e-a9c0-aed4c7049718/69xEJ3P

server/routes.ts

@@ -2329,7 +2329,7 @@ RÉSUMÉ DU SCAN
       const userId = req.user.claims ? req.user.claims.sub : req.user.id;
       const user = await storage.getUser(userId);
       
-      if (!user || !['admin', 'manager'].includes(user.role)) {
+      if (!user || !['admin', 'manager', 'directeur'].includes(user.role)) {
         return res.status(403).json({ message: "Insufficient permissions to validate products" });
       }