diff --git a/src/app/api/diag-fournisseurs/route.ts b/src/app/api/diag-fournisseurs/route.ts
index ee7e2e3..14f3a94 100644
--- a/src/app/api/diag-fournisseurs/route.ts
+++ b/src/app/api/diag-fournisseurs/route.ts
@@ -4,34 +4,39 @@ import { sql } from "drizzle-orm";
 
 export async function GET() {
     try {
-        // 1. Colonnes réelles de fouadr1
-        const cols = await db.execute(sql`
+        // 1. Colonnes de v_ca_fournisseur
+        const vCols = await db.execute(sql`
             SELECT column_name, data_type
             FROM information_schema.columns
-            WHERE table_name = 'fouadr1'
+            WHERE table_name = 'v_ca_fournisseur'
             ORDER BY ordinal_position
         `);
 
-        // 2. Toutes les tables contenant "fou"
-        const tables = await db.execute(sql`
-            SELECT table_name
-            FROM information_schema.tables
-            WHERE table_schema = 'public'
-              AND table_name ILIKE '%fou%'
-            ORDER BY table_name
+        // 2. Sample de v_ca_fournisseur
+        const vSample = await db.execute(sql`
+            SELECT * FROM v_ca_fournisseur LIMIT 10
         `);
 
-        // 3. Sample de fouadr1 (5 lignes brutes)
-        const sample = await db.execute(sql`SELECT * FROM fouadr1 LIMIT 5`);
+        // 3. D005 dans v_ca_fournisseur
+        const vD005 = await db.execute(sql`
+            SELECT * FROM v_ca_fournisseur
+            WHERE code = 'D005' OR codefou = 'D005'
+              OR raisonsociale ILIKE '%depot%' OR raisonsociale ILIKE '%bazar%'
+            LIMIT 10
+        `);
 
-        // 4. Sample de fouadr1 pour code D005
-        const d005 = await db.execute(sql`SELECT * FROM fouadr1 WHERE code = 'D005' LIMIT 10`);
+        // 4. Définition SQL de la vue
+        const vDef = await db.execute(sql`
+            SELECT definition
+            FROM pg_views
+            WHERE viewname = 'v_ca_fournisseur'
+        `);
 
         return NextResponse.json({
-            fouadr1_columns: cols.rows,
-            tables_with_fou: tables.rows,
-            fouadr1_sample: sample.rows,
-            fouadr1_d005: d005.rows,
+            v_ca_fournisseur_columns: vCols.rows,
+            v_ca_fournisseur_sample: vSample.rows,
+            v_ca_fournisseur_d005: vD005.rows,
+            view_definition: vDef.rows,
         });
     } catch (e) {
         return NextResponse.json({ error: String(e) }, { status: 500 });