diff --git a/src/pages/chat/chat.ts b/src/pages/chat/chat.ts
index 680eaea..1d2e639 100755
--- a/src/pages/chat/chat.ts
+++ b/src/pages/chat/chat.ts
@@ -96,7 +96,7 @@ class ChatElement extends HTMLElement {
         window.toggleUserList = this.toggleUserList.bind(this);
         window.loadMemberChat = async (memberId: string | number) => {
             if (typeof memberId === 'string') {
-                return await this.loadMemberChat(memberId);
+                return await this.loadMemberChat([memberId]);
             } else {
                 console.error('Invalid memberId type. Expected string, got number.');
             }
@@ -188,7 +188,7 @@ class ChatElement extends HTMLElement {
                 notifElement.className = 'notification-item';
                 notifElement.textContent = `${notif.text} at ${notif.time}`;
                 notifElement.onclick = async () => {
-                    await this.loadMemberChat(notif.memberId);
+                    await this.loadMemberChat([notif.memberId]);
                     await this.removeNotification(index);
                 };
                 this.notificationBoard?.appendChild(notifElement);
@@ -243,7 +243,7 @@ class ChatElement extends HTMLElement {
 
     private async sendMessage() {
         const messageInput = this.shadowRoot?.querySelector('#message-input') as HTMLInputElement;
-        if (!messageInput || !this.selectedMemberId) {
+        if (!messageInput || !this.selectedMember) {
             console.error('❌ Missing message input or selected member');
             return;
         }
@@ -265,9 +265,6 @@ class ChatElement extends HTMLElement {
             if (!myAddresses) throw new Error('No paired member found');
 
             const timestamp = Date.now();
-            const processId = this.getAttribute('process-id');
-            const uniqueKey = `${processId}${timestamp}`; 
-
             // Ouvrir IndexedDB
             const dbRequest = indexedDB.open('4nk');
             
@@ -281,23 +278,20 @@ class ChatElement extends HTMLElement {
                 const store = transaction.objectStore('diffs');
 
                 try {
-                    // Premier message
-                    const messageTemplate = {
-                        value_commitment: uniqueKey,
-                        messaging_id: processId,
-                        description: 'message_content',
+                    const message = {
+                        state: this.messageState,
+                        type: 'text',
+                        content: messageText,
                         metadata: {
-                            text: messageText,
-                            timestamp: timestamp,
-                            sender: myAddresses[0],
-                            recipient: this.selectedMemberId,
-                            messageState: this.messageState,
-                            roleName: this.selectedRole
+                            createdAt: timestamp,
+                            lastModified: timestamp,
+                            sender: myAddresses,
+                            recipient: this.selectedMember,
                         }
                     };
 
                     await new Promise<void>((resolve, reject) => {
-                        const request = store.add(messageTemplate);
+                        const request = store.add(message);
                         request.onsuccess = () => {
                             console.log('✅ Message saved');
                             messageInput.value = '';
@@ -306,34 +300,6 @@ class ChatElement extends HTMLElement {
                         request.onerror = () => reject(request.error);
                     });
 
-                    // Réponse automatique
-                    const autoReplyTemplate = {
-                        value_commitment: `${processId}${timestamp + 1000}`,
-                        messaging_id: processId,
-                        description: 'message_content',
-                        metadata: {
-                            text: "Je suis un message automatique de réponse",
-                            timestamp: timestamp + 1000,
-                            sender: this.selectedMemberId,
-                            recipient: myAddresses[0],
-                            messageState: this.messageState,
-                            roleName: this.selectedRole
-                        }
-                    };
-
-                    await new Promise<void>((resolve, reject) => {
-                        const request = store.add(autoReplyTemplate);
-                        request.onsuccess = () => {
-                            console.log('✅ Auto reply saved');
-                            // Ajouter la notification pour la réponse automatique
-                            if (myAddresses[0]) {
-                                this.addNotification(myAddresses[0], autoReplyTemplate);
-                            }
-                            resolve();
-                        };
-                        request.onerror = () => reject(request.error);
-                    });
-
                     // Attendre la fin de la transaction
                     await new Promise<void>((resolve, reject) => {
                         transaction.oncomplete = () => {
@@ -344,8 +310,8 @@ class ChatElement extends HTMLElement {
                     });
 
                     // Recharger les messages
-                    if (this.selectedMemberId) {
-                        await this.loadMemberChat(this.selectedMemberId);
+                    if (this.selectedMember) {
+                        await this.loadMemberChat(this.selectedMember);
                     }
 
                 } catch (error) {
@@ -929,8 +895,8 @@ class ChatElement extends HTMLElement {
             console.error('❌ No process ID found in element attributes');
         }
         // Si un membre est sélectionné par défaut, charger ses messages
-        if (this.selectedMemberId) {
-            await this.loadMemberChat(this.selectedMemberId);
+        if (this.selectedMember) {
+            await this.loadMemberChat(this.selectedMember);
         }
     }