Checkpoint: Préparation recette : ajout du journal classification_errors, exposition de la cause technique des fallbacks IA, enregistrement non bloquant depuis le moteur RSS, écran d’administration Erreurs IA, route protégée et migration 0013. Validation locale : 28 tests, TypeScript et build de production réussis.

client/src/components/AppLayout.tsx

@@ -18,6 +18,7 @@ import {
   X,
   Lightbulb,
   Rss,
+  AlertTriangle,
 } from "lucide-react";
 import { Button } from "@/components/ui/button";
 import { Badge } from "@/components/ui/badge";
@@ -64,6 +65,7 @@ const NAV_GROUPS: NavGroup[] = [
     defaultOpen: false,
     items: [
       { label: "Logs d'import", href: "/admin/logs", icon: <Activity size={16} />, adminOnly: true },
+      { label: "Erreurs IA", href: "/admin/classification-errors", icon: <AlertTriangle size={16} />, adminOnly: true },
       { label: "Utilisateurs", href: "/admin/users", icon: <Users size={16} />, adminOnly: true },
       { label: "Flux RSS", href: "/admin/rss", icon: <Rss size={16} />, adminOnly: true },
       { label: "Paramètres", href: "/admin/settings", icon: <Settings size={16} />, adminOnly: true },