diff --git a/server/db.ts b/server/db.ts
index 1ce044a..9a714c7 100644
--- a/server/db.ts
+++ b/server/db.ts
@@ -566,10 +566,10 @@ export async function upsertImportSettings(data: InsertImportSettings): Promise<
 
 // ============= DEPARTMENT LIST OPERATIONS =============
 
-export async function getDepartmentsByUser(userId: number): Promise<Department[]> {
+export async function getDepartmentsByUser(_userId?: number): Promise<Department[]> {
   const db = await getDb();
   if (!db) return [];
-  return await db.select().from(departmentList).where(eq(departmentList.userId, userId)).orderBy(departmentList.name);
+  return await db.select().from(departmentList).orderBy(departmentList.name);
 }
 
 export async function createDepartment(data: InsertDepartment): Promise<Department> {
@@ -587,10 +587,10 @@ export async function deleteDepartment(id: number): Promise<void> {
 
 // ============= ACCOUNTING ALLOCATION LIST OPERATIONS =============
 
-export async function getAccountingAllocationsByUser(userId: number): Promise<AccountingAllocation[]> {
+export async function getAccountingAllocationsByUser(_userId?: number): Promise<AccountingAllocation[]> {
   const db = await getDb();
   if (!db) return [];
-  return await db.select().from(accountingAllocationList).where(eq(accountingAllocationList.userId, userId)).orderBy(accountingAllocationList.name);
+  return await db.select().from(accountingAllocationList).orderBy(accountingAllocationList.name);
 }
 
 export async function createAccountingAllocation(data: InsertAccountingAllocation): Promise<AccountingAllocation> {
@@ -742,10 +742,10 @@ export async function initializeDefaultLlmFields(userId: number): Promise<void>
 
 // ============= SIGNATURES HELPERS =============
 
-export async function getSignaturesByUser(userId: number): Promise<Signature[]> {
+export async function getSignaturesByUser(_userId?: number): Promise<Signature[]> {
   const db = await getDb();
   if (!db) return [];
-  return db.select().from(signatures).where(eq(signatures.userId, userId));
+  return db.select().from(signatures);
 }
 
 export async function getSignatureById(id: number): Promise<Signature | undefined> {
@@ -773,10 +773,10 @@ export async function deleteSignature(id: number): Promise<void> {
 
 // ============= SERVICE SIGNATURES HELPERS =============
 
-export async function getServiceSignaturesByUser(userId: number): Promise<ServiceSignature[]> {
+export async function getServiceSignaturesByUser(_userId?: number): Promise<ServiceSignature[]> {
   const db = await getDb();
   if (!db) return [];
-  return db.select().from(serviceSignatures).where(eq(serviceSignatures.userId, userId));
+  return db.select().from(serviceSignatures);
 }
 
 export async function getServiceSignatureByService(userId: number, serviceName: string): Promise<ServiceSignature | undefined> {
diff --git a/todo.md b/todo.md
index 21b34a6..bf9084e 100644
--- a/todo.md
+++ b/todo.md
@@ -675,3 +675,12 @@
 - [x] Enregistrer importSource="folder" lors d'un import par dossier (folderImportService.ts)
 - [x] Afficher la colonne "Source" avec badge coloré dans le tableau History.tsx (Email=bleu, Dossier=violet, Fichier=gris)
 - [x] Afficher la source dans le dialog de détails de l'import
+
+## Listes globales partagées entre tous les utilisateurs
+- [ ] Modifier getAccountingAllocationsByUser → retourner toutes les ventilations (sans filtre userId)
+- [ ] Modifier getAutomationRulesByUser → retourner tous les automatismes (sans filtre userId)
+- [ ] Modifier getDepartmentsByUser → retourner tous les services (sans filtre userId)
+- [ ] Modifier getSignaturesByUser → retourner toutes les signatures (sans filtre userId)
+- [ ] Modifier getServiceSignaturesByUser → retourner toutes les signatures de service (sans filtre userId)
+- [ ] Migrer les données en production : dédoublonner les listes fusionnées
+- [ ] Déployer en production