Checkpoint: Ajout de la table deletedInvoices (blacklist) : quand une facture est supprimée, son numéro est enregistré et l'import email/fichier ne la réimporte plus.

server/emailImportService.ts

@@ -6,6 +6,7 @@ import {
   updateSourceFile,
   getUserSettings,
   findDuplicateInvoice,
+  isInvoiceBlacklisted,
   createInvoice,
   createImportLog,
 } from "./db";
@@ -130,6 +131,19 @@ async function processEmailAttachment(
           processingProgress: `Extraction ${i + 1}/${result.invoiceCount} factures...`,
         });
         
+        // Vérifier la blacklist (factures supprimées manuellement)
+        const blacklisted = await isInvoiceBlacklisted(invoiceData.invoiceNumber, userId);
+        if (blacklisted) {
+          duplicatesCount++;
+          duplicateDetails.push({
+            supplierName: invoiceData.supplierName,
+            invoiceNumber: invoiceData.invoiceNumber,
+            totalAmount: invoiceData.totalAmount,
+            reason: 'blacklisted',
+          });
+          continue;
+        }
+
         // Check for duplicates (numéro de facture + montant)
         const duplicate = await findDuplicateInvoice(
           invoiceData.invoiceNumber,