diff --git a/.dockerignore b/.dockerignore
index 44ef498..b70fca0 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -9,3 +9,17 @@ client/dist
 README.md
 uploads
 storage
+# Les sauvegardes et secrets ne doivent jamais entrer dans une image de build.
+**/backups
+**/*backup*
+**/.ssh
+**/.manus-logs
+**/__pycache__
+**/*.pyc
+**/*.sql.gz
+**/*.bundle
+**/*.zip
+**/*.tar
+**/*.tar.gz
+**/*.pem
+**/*.key
diff --git a/client/src/pages/InvoiceDetail.tsx b/client/src/pages/InvoiceDetail.tsx
index 492b4e2..2a00417 100644
--- a/client/src/pages/InvoiceDetail.tsx
+++ b/client/src/pages/InvoiceDetail.tsx
@@ -66,6 +66,21 @@ export default function InvoiceDetail() {
 
   const upsertLearningMutation = trpc.learnings.upsert.useMutation();
 
+  // Le premier clic ajoute le litige, puis ouvre la saisie du commentaire.
+  const markDisputeMutation = trpc.invoices.setDispute.useMutation({
+    onSuccess: async () => {
+      utils.invoices.getById.setData({ id: invoiceId }, current => current ? { ...current, isDisputed: 1 } : current);
+      setDisputeDialogOpen(true);
+      toast.success("Facture ajoutée aux litiges");
+      await Promise.all([
+        utils.invoices.getById.invalidate({ id: invoiceId }),
+        utils.invoices.list.invalidate(),
+        utils.invoices.listDisputes.invalidate(),
+      ]);
+    },
+    onError: error => toast.error(error.message || "Impossible d’ajouter cette facture aux litiges"),
+  });
+
   const updateMutation = trpc.invoices.update.useMutation({
     onSuccess: () => {
       toast.success("Facture mise à jour avec succès");
@@ -198,7 +213,10 @@ export default function InvoiceDetail() {
             </div>
           </div>
           <div className="flex flex-wrap gap-2">
-            <Button variant="outline" onClick={() => setDisputeDialogOpen(true)} className="border-amber-200 bg-amber-50 text-amber-800 hover:bg-amber-100">
+            <Button variant="outline" disabled={markDisputeMutation.isPending} onClick={() => {
+              if (canEdit && invoice.isDisputed !== 1) markDisputeMutation.mutate({ id: invoiceId, isDisputed: true });
+              else setDisputeDialogOpen(true);
+            }} className="border-amber-200 bg-amber-50 text-amber-800 hover:bg-amber-100">
               <Flag className="w-4 h-4 mr-2" aria-hidden="true" />
               Litige
               {invoice.isDisputed === 1 ? <Badge className="ml-2 bg-amber-100 text-amber-800 hover:bg-amber-100">En cours</Badge> : null}
diff --git a/server/disputeDeployment.test.ts b/server/disputeDeployment.test.ts
new file mode 100644
index 0000000..edd862f
--- /dev/null
+++ b/server/disputeDeployment.test.ts
@@ -0,0 +1,18 @@
+import { readFileSync } from "node:fs";
+import { join } from "node:path";
+import { describe, expect, it } from "vitest";
+describe("Déploiement et action directe Litige", () => {
+  it("ajoute le litige dès le clic sur le bouton avant de proposer le commentaire", () => {
+    const detail = readFileSync(join(process.cwd(), "client/src/pages/InvoiceDetail.tsx"), "utf8");
+    expect(detail).toContain('markDisputeMutation.mutate({ id: invoiceId, isDisputed: true })');
+    expect(detail).toContain('canEdit && invoice.isDisputed !== 1');
+  });
+  it("exclut les sauvegardes et les fichiers d’exploitation sans exclure les migrations SQL", () => {
+    const patterns = readFileSync(join(process.cwd(), ".dockerignore"), "utf8").split("\n");
+    expect(patterns).toContain('**/backups');
+    expect(patterns).toContain('**/*.sql.gz');
+    expect(patterns).toContain('**/*.bundle');
+    expect(patterns).not.toContain('**/*.sql');
+    expect(patterns).not.toContain('drizzle');
+  });
+});