fix: remove deprecated eslint config and make dashboard DB enrichment optional

- Remove unsupported `eslint` key from next.config.ts (Next.js 16)
- Wrap dashboard DB enrichment in try/catch so the dashboard renders
  even when PostgreSQL is unavailable, preventing the
  "Impossible de charger le tableau de bord" error

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

next.config.ts

@@ -10,9 +10,6 @@ const nextConfig = {
   typescript: {
     ignoreBuildErrors: true,
   },
-  eslint: {
-    ignoreDuringBuilds: true,
-  },
 };
 
 export default nextConfig;

src/lib/pg-ff-client.ts

@@ -601,8 +601,12 @@ export async function pgGetDashboardData(): Promise<DashboardData> {
     ];
     const allCodeins = [...new Set(allItems.map(i => i.codein).filter(Boolean))];
 
-    // Enrichissement : stock et fournisseur via PostgreSQL
+    // Enrichissement : stock et fournisseur via PostgreSQL (optionnel — le dashboard
-    const [stockMap, fouResult] = await Promise.all([
+    // s'affiche même si la DB n'est pas configurée).
+    let stockMap = new Map<string, { stock292: number; stock579: number; stockTotal: number }>();
+    let fouMap = new Map<string, string>();
+    try {
+        const [sm, fouResult] = await Promise.all([
             pgGetStockForCodeins(allCodeins),
             pgNoParallel(sql`
                 SELECT
@@ -614,11 +618,13 @@ export async function pgGetDashboardData(): Promise<DashboardData> {
                 WHERE a.codein = ANY(string_to_array(${allCodeins.join(",")}, ','))
             `),
         ]);
-
+        stockMap = sm;
-    const fouMap = new Map<string, string>();
         for (const row of fouResult.rows as unknown as { codein: string; fournisseur: string }[]) {
             if (row.codein) fouMap.set(row.codein, row.fournisseur);
         }
+    } catch (enrichErr) {
+        console.warn("[Dashboard] DB enrichment unavailable, continuing with API data only:", enrichErr);
+    }
 
     const siteSet = [...new Set(allItems.map(i => i.site).filter(Boolean))].sort();