diff --git a/client/src/pages/InvoicesBAP.tsx b/client/src/pages/InvoicesBAP.tsx
index 3a28b67..2370756 100644
--- a/client/src/pages/InvoicesBAP.tsx
+++ b/client/src/pages/InvoicesBAP.tsx
@@ -32,7 +32,7 @@ import {
   TableRow,
 } from "@/components/ui/table";
 import { trpc } from "@/lib/trpc";
-import { Search, FileText, Download, FileSpreadsheet, Trash2, Edit, Trash, CheckCircle, CheckCircle2 } from "lucide-react";
+import { Search, FileText, Download, FileSpreadsheet, Trash2, Edit, Trash, CheckCircle, CheckCircle2, ShieldCheck } from "lucide-react";
 import * as XLSX from 'xlsx';
 import { toast } from "sonner";
 import { useLocation } from "wouter";
@@ -131,6 +131,24 @@ export default function InvoicesBAP() {
     },
   });
 
+  const validateBAPBulkMutation = trpc.invoices.validateBAPBulk.useMutation({
+    onSuccess: (data) => {
+      if (data.processed === 0) {
+        toast.info("Aucune facture éligible à valider en BAP.");
+      } else {
+        toast.success(`${data.processed} facture(s) validée(s) BAP avec succès !`, { duration: 4000 });
+        const pdfUrls = (data.results as any[]).filter(r => r.pdfUrl).map(r => r.pdfUrl as string);
+        if (pdfUrls.length > 0) {
+          pdfUrls.forEach(url => window.open(url, '_blank'));
+        }
+      }
+      utils.invoices.list.invalidate();
+    },
+    onError: (error) => {
+      toast.error(error.message || "Erreur lors de la validation BAP en masse");
+    },
+  });
+
   const validateBAPMutation = trpc.invoices.validateBAP.useMutation({
     onSuccess: (data) => {
       if (data.exportMode === 'browser' && data.pdfUrl) {
@@ -403,6 +421,18 @@ export default function InvoicesBAP() {
               <Trash2 className="w-4 h-4 mr-2" />
               Supprimer ({selectedIds.length})
             </Button>
+            <Button
+              onClick={() => {
+                if (confirm("Valider en BAP toutes les factures éligibles (score 100%, champs remplis, non abonnement) ? Les PDFs annotés seront générés automatiquement.")) {
+                  validateBAPBulkMutation.mutate();
+                }
+              }}
+              disabled={validateBAPBulkMutation.isPending}
+              className="bg-green-700 hover:bg-green-800 text-white"
+            >
+              <ShieldCheck className="w-4 h-4 mr-2" />
+              {validateBAPBulkMutation.isPending ? "Validation en cours..." : "Valider tout en BAP"}
+            </Button>
             <Button onClick={() => setLocation("/upload")}>
               <FileText className="w-4 h-4 mr-2" />
               Importer
diff --git a/server/routers.ts b/server/routers.ts
index fb52042..5a0a11a 100644
--- a/server/routers.ts
+++ b/server/routers.ts
@@ -416,7 +416,7 @@ export const appRouter = router({
         const fs = await import('fs/promises');
         const path = await import('path');
         const { PDFDocument, rgb, StandardFonts } = await import('pdf-lib');
-        const { storagePut } = await import('./storage');
+        const { localStoragePut, generateStorageKey } = await import('./localStorage');
 
         const importSettings = await getImportSettingsByUser(ctx.user.id);
         const bapExportMode = importSettings?.bapExportMode || 'browser';
@@ -584,9 +584,9 @@ export const appRouter = router({
             exportPath = path.join(exportFolder, bapFilename);
             await fs.writeFile(exportPath, signedPdfBytes);
           } else {
-            // Mode navigateur : uploader sur S3 et retourner l'URL
-            const { storagePut: put } = await import('./storage');
-            const { url } = await put(`bap-exports/${bapFilename}`, Buffer.from(signedPdfBytes), 'application/pdf');
+            // Mode navigateur : stocker localement et retourner l'URL relative
+            const bapKey = generateStorageKey(ctx.user.id, bapFilename);
+            const { url } = await localStoragePut(bapKey, Buffer.from(signedPdfBytes), 'application/pdf');
             pdfUrl = url;
           }
         } catch (pdfError: any) {
@@ -629,7 +629,168 @@ export const appRouter = router({
         };
       }),
 
-    // ── Historique BAP ────────────────────────────────────────────────────
+    // ── Validation BAP en masse ──────────────────────────────
+    validateBAPBulk: protectedProcedure
+      .mutation(async ({ ctx }) => {
+        const allInvoices = await getInvoicesByUser(ctx.user.id);
+        // Filtrer les factures éligibles (non déjà validées)
+        const eligible = allInvoices.filter((inv: any) =>
+          (inv.qualityScore || 0) >= 100 &&
+          inv.isSubscription === 0 &&
+          !!inv.serviceConcerne &&
+          !!inv.typeAchat &&
+          !!inv.ventilationComptable &&
+          !inv.bapValidated
+        );
+        if (eligible.length === 0) {
+          return { success: true, processed: 0, errors: 0, results: [] };
+        }
+        const fs = await import('fs/promises');
+        const path = await import('path');
+        const { PDFDocument, rgb, StandardFonts } = await import('pdf-lib');
+        const { localStoragePut, generateStorageKey } = await import('./localStorage');
+        const importSettings = await getImportSettingsByUser(ctx.user.id);
+        const bapExportMode = importSettings?.bapExportMode || 'browser';
+        const exportFolder = importSettings?.exportFolder || null;
+        const STORAGE_BASE_PATH = process.env.STORAGE_BASE_PATH || path.join(process.cwd(), 'storage');
+        const serviceSignaturesList = await getServiceSignaturesByUser(ctx.user.id);
+        const results: Array<{ id: number; success: boolean; pdfUrl?: string | null; exportPath?: string | null; error?: string }> = [];
+        let processed = 0;
+        let errors = 0;
+        const validatedAt = new Date();
+        for (const invoice of eligible) {
+          let pdfUrl: string | null = null;
+          let exportPath: string | null = null;
+          let signatureName: string | null = null;
+          try {
+            // ─ Lecture du PDF source ─
+            let sourcePdfBytes: Buffer;
+            const localPath = path.join(STORAGE_BASE_PATH, invoice.fileKey);
+            try {
+              sourcePdfBytes = await fs.readFile(localPath);
+            } catch (_) {
+              const fileUrl = invoice.fileUrl;
+              if (!fileUrl) throw new Error('Fichier PDF introuvable');
+              let absoluteUrl = fileUrl;
+              if (fileUrl.startsWith('/')) {
+                const baseUrl = process.env.APP_BASE_URL || `http://localhost:${process.env.PORT || 3000}`;
+                absoluteUrl = `${baseUrl}${fileUrl}`;
+              }
+              const resp = await fetch(absoluteUrl);
+              if (!resp.ok) throw new Error(`HTTP ${resp.status}`);
+              sourcePdfBytes = Buffer.from(await resp.arrayBuffer());
+            }
+            const pdfDoc = await PDFDocument.load(sourcePdfBytes);
+            const pages = pdfDoc.getPages();
+            const lastPage = pages[pages.length - 1];
+            const { width, height } = lastPage.getSize();
+            const fontBold = await pdfDoc.embedFont(StandardFonts.HelveticaBold);
+            const fontNormal = await pdfDoc.embedFont(StandardFonts.Helvetica);
+            const zoneH = 120;
+            const zoneW = 200;
+            const zoneX = width - zoneW - 20;
+            const zoneY = 20;
+            lastPage.drawRectangle({
+              x: zoneX, y: zoneY, width: zoneW, height: zoneH,
+              color: rgb(1, 1, 1),
+              borderColor: rgb(0.2, 0.2, 0.2),
+              borderWidth: 1,
+            });
+            const typeAchatText = invoice.typeAchat || '';
+            lastPage.drawText(typeAchatText, {
+              x: zoneX + 10, y: zoneY + zoneH - 20,
+              size: 12, font: fontBold, color: rgb(0, 0, 0),
+            });
+            lastPage.drawText('BON À PAYER', {
+              x: zoneX + 10, y: zoneY + zoneH - 40,
+              size: 14, font: fontBold, color: rgb(0, 0.4, 0),
+            });
+            const recipientText = (invoice as any).recipientName || 'TOUS';
+            lastPage.drawText(recipientText, {
+              x: zoneX + 10, y: zoneY + zoneH - 60,
+              size: 10, font: fontNormal, color: rgb(0.2, 0.2, 0.2),
+            });
+            // Signature du service
+            const serviceName = invoice.serviceConcerne || '';
+            const assoc = serviceSignaturesList.find(
+              a => a.serviceName.toLowerCase() === serviceName.toLowerCase()
+            );
+            if (assoc) {
+              const sig = await getSignatureById(assoc.signatureId);
+              if (sig) {
+                signatureName = `${sig.firstName} ${sig.lastName}`;
+                try {
+                  let sigImageBytes: Buffer;
+                  const sigImagePath = path.join(STORAGE_BASE_PATH, sig.imageKey);
+                  try {
+                    sigImageBytes = await fs.readFile(sigImagePath);
+                  } catch (_) {
+                    const sigUrl = sig.imageUrl;
+                    if (!sigUrl) throw new Error('Image signature introuvable');
+                    let absoluteSigUrl = sigUrl;
+                    if (sigUrl.startsWith('/')) {
+                      const baseUrl = process.env.APP_BASE_URL || `http://localhost:${process.env.PORT || 3000}`;
+                      absoluteSigUrl = `${baseUrl}${sigUrl}`;
+                    }
+                    const sigResp = await fetch(absoluteSigUrl);
+                    if (!sigResp.ok) throw new Error(`HTTP ${sigResp.status}`);
+                    sigImageBytes = Buffer.from(await sigResp.arrayBuffer());
+                  }
+                  const mimeType = sig.imageKey.toLowerCase().endsWith('.png') ? 'image/png' : 'image/jpeg';
+                  const embeddedSig = mimeType === 'image/png'
+                    ? await pdfDoc.embedPng(sigImageBytes)
+                    : await pdfDoc.embedJpg(sigImageBytes);
+                  lastPage.drawImage(embeddedSig, {
+                    x: zoneX + zoneW - 110, y: zoneY + 20, width: 100, height: 45,
+                  });
+                  lastPage.drawText(signatureName, {
+                    x: zoneX + zoneW - 110, y: zoneY + 12,
+                    size: 8, font: fontNormal, color: rgb(0.3, 0.3, 0.3),
+                  });
+                } catch (_) { /* ignore signature errors */ }
+              }
+            }
+            const signedPdfBytes = await pdfDoc.save();
+            const filename = path.basename(invoice.fileKey);
+            const bapFilename = `BAP_${Date.now()}_${filename}`;
+            if (bapExportMode === 'folder' && exportFolder) {
+              await fs.mkdir(exportFolder, { recursive: true });
+              exportPath = path.join(exportFolder, bapFilename);
+              await fs.writeFile(exportPath, signedPdfBytes);
+            } else {
+              const bapKey = generateStorageKey(ctx.user.id, bapFilename);
+              const { url } = await localStoragePut(bapKey, Buffer.from(signedPdfBytes), 'application/pdf');
+              pdfUrl = url;
+            }
+          } catch (pdfError: any) {
+            console.warn(`[BAP Bulk] Erreur PDF facture ${invoice.id}:`, pdfError.message);
+          }
+          // Mise à jour de la facture
+          await updateInvoice(invoice.id, { bapValidated: 1, bapValidatedAt: validatedAt });
+          // Historique
+          await createBapHistoryEntry({
+            userId: ctx.user.id,
+            invoiceId: invoice.id,
+            supplierName: invoice.supplierName || null,
+            invoiceNumber: invoice.invoiceNumber || null,
+            invoiceDate: invoice.invoiceDate || null,
+            totalAmount: invoice.totalAmount ? String(invoice.totalAmount) : null,
+            typeAchat: invoice.typeAchat || null,
+            serviceConcerne: invoice.serviceConcerne || null,
+            ventilationComptable: invoice.ventilationComptable || null,
+            recipientName: (invoice as any).recipientName || null,
+            exportMode: bapExportMode === 'folder' ? 'folder' : 'browser',
+            exportPath: exportPath || null,
+            pdfUrl: pdfUrl || null,
+            signatureName: signatureName || null,
+            validatedAt,
+          });
+          results.push({ id: invoice.id, success: true, pdfUrl, exportPath });
+          processed++;
+        }
+        return { success: true, processed, errors, results };
+      }),
+    //    // ── Historique BAP ────────────────────
       search: protectedProcedure
       .input(z.object({ query: z.string() }))
       .query(async ({ input, ctx }) => {
diff --git a/todo.md b/todo.md
index b5e3d11..4ff5509 100644
--- a/todo.md
+++ b/todo.md
@@ -603,3 +603,17 @@
 - [x] Corriger la lecture de l'image de signature dans validateBAP (fallback URL)
 - [x] Corriger la lecture du PDF source dans exportToPdf (fallback URL)
 - [x] Corriger la lecture de l'image de signature dans exportToPdf (fallback URL)
+
+## Correction table signatures VPS
+- [x] Corriger noms de colonnes dans signatures et service_signatures sur le VPS (snake_case -> camelCase)
+
+## Correction affectation signature à service (serviceSignatures)
+- [x] Corriger l'upsert serviceSignatures (renommage table service_signatures -> serviceSignatures sur le VPS)
+
+## Correction PDF BAP non affiché sur VPS
+- [ ] Diagnostiquer et corriger la génération du PDF annoté lors de la validation BAP sur le VPS
+
+## Validation BAP en masse
+- [ ] Ajouter la route validateBAPBulk côté serveur (traitement séquentiel de toutes les factures éligibles)
+- [ ] Ajouter le bouton "Valider tout en BAP" dans InvoicesBAP.tsx avec barre de progression
+- [ ] Déployer sur le VPS