diff --git a/attached_assets/Pasted-tions-R-sultat-v-rification-avoir-exists-true-matchType-in-1757357333329_1757357333329.txt b/attached_assets/Pasted-tions-R-sultat-v-rification-avoir-exists-true-matchType-in-1757357333329_1757357333329.txt
new file mode 100644
index 0000000..3f6fb63
--- /dev/null
+++ b/attached_assets/Pasted-tions-R-sultat-v-rification-avoir-exists-true-matchType-in-1757357333329_1757357333329.txt
@@ -0,0 +1,204 @@
+tions
+ 
+ 
+ 
+      
+}
+
+✅ Résultat vérification avoir: {
+
+  exists: true,
+
+  matchType: 'invoice_reference',
+
+  errorMessage: null,
+
+  invoiceReference: 'FC-25-00005972',
+
+  supplierName: 'Artyfete',
+
+  fromCache: true,
+
+  permanent: false
+
+}
+
+POST /api/avoirs/7/verify-invoice 200 in 8ms
+
+🔍 Vérification facture avoir: {
+
+  avoirId: 7,
+
+  invoiceReference: 'FC-25-00005972',
+
+  supplier: 'Artyfete',
+
+  group: 'Frouard',
+
+

  groupId: 1
+
+}
+
+🔍 [INVOICE] Début vérification facture: { invoiceReference: 'FC-25-00005972', groupId: 1, forceRefresh: true }
+
+🔄 [INVOICE] Refresh forcé, ignorant le cache
+
+🔧 Configuration groupe: {
+
+  groupName: 'Frouard',
+
+  hasNocodbConfig: true,
+
+  hasTableName: true,
+
+  hasWebhook: true
+
+}
+
+🔍 Vérification NocoDB en production...
+
+🔧 Configuration NocoDB active récupérée: {
+
+  id: 1,
+
+  name: 'Nocodb',
+
+  baseUrl: 'https://nocodb.ffnancy.fr',
+
+  projectId: 'pcg4uw79ukvycxc',
+
+  apiToken: 'z4BAwLo6dgoN_E7PKJSHN7PA7kdBePtKOYcsDlwQ',
+
+  description: '',
+
+  isActive: true,
+
+  createdBy: 'admin_local',
+
+  createdAt: 2025-07-22T11:12:54.971Z,
+
+  updatedAt: 2025-07-25T23:07:17.197Z
+
+}
+
+🔧 Configuration NocoDB trouvée: {
+
+  configName: 'Nocodb',
+
+  baseUrl: 'https://nocodb.ffnancy.fr',
+
+  projectId: 'pcg4uw79ukvycxc',
+
+  hasToken: true
+
+}
+
+🔧 Utilisation table ID: {
+
+  groupTable: 'CommandeF',
+
+  configuredId: 'mrr733dfb8wtt9b',
+
+  resolvedId: 'mrr733dfb8wtt9b'
+
+}
+
+🔍 Recherche NocoDB: { tableId: 'mrr733dfb8wtt9b', column: 'RefFacture' }
+
+💾 [CACHE] Tentative sauvegarde: {
+
+  invoiceReference: 'FC-25-00005972',
+
+  groupId: 1,
+
+  cacheKey: '1_fc-25-00005972',
+
+  exists: true,
+
+  isReconciled: false,
+
+  cacheType: 'temporaire 6h (trouvé)',
+
+  expiresAt: '2025-09-09T00:48:35.637Z'
+
+}
+
+✅ [CACHE] Résultat sauvé en cache: {
+
+

  id: 23216,
+
+  invoiceReference: 'FC-25-00005972',
+
+  groupId: 1,
+
+  exists: true,
+
+  isReconciled: false,
+
+  cacheType: 'temporaire 6h (trouvé)',
+
+  cacheKey: '1_fc-25-00005972'
+
+}
+
+✅ Résultat vérification avoir: {
+
+  exists: true,
+
+  matchType: 'invoice_reference',
+
+  invoiceReference: 'FC-25-00005972',
+
+  invoiceAmount: -47.976,
+
+  supplierName: 'Artyfete'
+
+}
+
+POST /api/avoirs/7/verify-invoice 200 in 33ms
+
+💰 PUT Avoir - Raw body received: {
+
+  "supplierId": 3,
+
+  "groupId": 1,
+
+  "invoiceReference": "FC-25-00005972",
+
+  "amount": -47.976,
+
+  "comment": "",
+
+  "commercialProcessed": false,
+
+  "status": "Reçu"
+
+}
+
+❌ [PUT AVOIR] ERREURS VALIDATION ZOD: [
+
+  {
+
+    "code": "too_small",
+
+    "minimum": 0,
+
+    "type": "number",
+
+    "inclusive": false,
+
+    "exact": false,
+
+    "message": "Number must be greater than 0",
+
+    "path": [
+
+      "amount"
+
+    ]
+
+  }
+
+]
+
+PUT /api/avoirs/7 400 in 7ms
\ No newline at end of file
diff --git a/attached_assets/image_1757357323874.png b/attached_assets/image_1757357323874.png
new file mode 100644
index 0000000..1513c5e
Binary files /dev/null and b/attached_assets/image_1757357323874.png differ
diff --git a/shared/schema.ts b/shared/schema.ts
index 9e70bb5..f2e0efa 100644
--- a/shared/schema.ts
+++ b/shared/schema.ts
@@ -585,7 +585,7 @@ export const insertAvoirSchema = createInsertSchema(avoirs).omit({
   processedAt: true,
 }).extend({
   status: z.enum(["En attente de demande", "Demandé", "Reçu"]).default("En attente de demande"),
-  amount: z.coerce.number().positive().optional(), // Montant optionnel et positif si présent
+  amount: z.coerce.number().refine(val => val !== 0, "Le montant ne peut pas être zéro").optional(), // Montant optionnel, positif ou négatif (mais pas zéro)
   invoiceReference: z.string().optional(), // Référence facture optionnelle
   comment: z.string().optional(),
   commercialProcessed: z.boolean().default(false),