diff --git a/src/pages/chat/chat.ts b/src/pages/chat/chat.ts
index 22ea154..6ec3203 100755
--- a/src/pages/chat/chat.ts
+++ b/src/pages/chat/chat.ts
@@ -270,68 +270,68 @@ class ChatElement extends HTMLElement {
         processId: string,
         roleName: string
     ): Promise<ApiReturn> {
-        console.log('🚀 Début createMessagingProcess');
-        console.log('📝 Parent Process ID:', this.processId);
-        console.log('👥 Other Member:', otherMembers[0]);
-        console.log('👑 Role Name:', roleName);
-
-        if (!this.isPaired()) {
-            throw new Error('Device not paired');
-        }
-
-        const myAddresses = await this.getMemberFromDevice();
-        console.log('🔑 Mes adresses:', myAddresses);
-
-        if (!myAddresses) {
-            throw new Error('No paired member found');
-        }
-
-        const currentProcessId = this.getAttribute('process-id');
-        console.log('🔍 Current Process ID:', currentProcessId);
-
-        if (!currentProcessId) {
-            throw new Error('No process ID found');
-        }
-
-        // Vérifier si le processus existe déjà
-        const existingProcess = await this.getExistingMessageProcess(
-            currentProcessId,
-            otherMembers[0].sp_addresses
-        );
-
-        if (existingProcess) {
-            console.log('✅ Process message déjà existant, réutilisation:', existingProcess);
-            return existingProcess;
-        }
-
-        // Si non existant, créer un nouveau processus
-        console.log('🆕 Création d\'un nouveau processus message');
-
-        const messagingTemplate = {
-            parent_id: currentProcessId,
-            description: 'messaging',
-            roles: {
-                [roleName]: {
-                    members: [
-                        { sp_addresses: myAddresses },
-                        { sp_addresses: otherMembers[0].sp_addresses }
-                    ],
-                    validation_rules: [
-                        {
-                            quorum: 1.0,
-                            fields: ['messages'],
-                            min_sig_member: 1.0,
-                        },
-                    ],
-                    storages: [storageUrl]
-                }
-            }
-        };
-
-        console.log('📋 Template final:', JSON.stringify(messagingTemplate, null, 2));
-        console.log('👥 Création du process message comme enfant de:', currentProcessId);
-
         try {
+            console.log('🚀 Début createMessagingProcess');
+            console.log('📝 Parent Process ID:', this.processId);
+            console.log('👥 Other Member:', otherMembers[0]);
+            console.log('👑 Role Name:', roleName);
+
+            if (!this.isPaired()) {
+                throw new Error('Device not paired');
+            }
+
+            const myAddresses = await this.getMemberFromDevice();
+            console.log('🔑 Mes adresses:', myAddresses);
+
+            if (!myAddresses) {
+                throw new Error('No paired member found');
+            }
+
+            const currentProcessId = this.getAttribute('process-id');
+            console.log('🔍 Current Process ID:', currentProcessId);
+
+            if (!currentProcessId) {
+                throw new Error('No process ID found');
+            }
+
+            // Vérifier si le processus existe déjà
+            const existingProcess = await this.getExistingMessageProcess(
+                currentProcessId,
+                otherMembers[0].sp_addresses
+            );
+
+            if (existingProcess) {
+                console.log('✅ Process message déjà existant, réutilisation:', existingProcess);
+                return existingProcess;
+            }
+
+            // Si non existant, créer un nouveau processus
+            console.log('🆕 Création d\'un nouveau processus message');
+
+            const messagingTemplate = {
+                parent_id: currentProcessId,
+                description: 'messaging',
+                roles: {
+                    [roleName]: {
+                        members: [
+                            { sp_addresses: myAddresses },
+                            { sp_addresses: otherMembers[0].sp_addresses }
+                        ],
+                        validation_rules: [
+                            {
+                                quorum: 1.0,
+                                fields: ['messages'],
+                                min_sig_member: 1.0,
+                            },
+                        ],
+                        storages: [storageUrl]
+                    }
+                }
+            };
+
+            console.log('📋 Template final:', JSON.stringify(messagingTemplate, null, 2));
+            console.log('👥 Création du process message comme enfant de:', currentProcessId);
+
             const result = await this.sdkClient.create_new_process(
                 JSON.stringify(messagingTemplate), 
                 currentProcessId,
@@ -340,15 +340,25 @@ class ChatElement extends HTMLElement {
             );
             console.log('✅ Process message créé:', result);
 
-            // Vérification dans IndexedDB
+            
             const db = await Database.getInstance();
-            const processStore = 'processes';
-            const storedProcess = await db.getObject(processStore, (result as any).process_id);
-            console.log('💾 Process message stocké dans IndexedDB:', {
-                store: processStore,
-                processId: (result as any).process_id,
-                data: storedProcess
+            await db.addObject({
+                storeName: 'diffs',
+                key: (result as any).process_id,
+                object: {
+                    value_commitment: {
+                        process_id: (result as any).process_id,
+                        parent_id: processId,
+                        description: 'messaging',
+                        roles: messagingTemplate.roles,
+                        states: [{
+                            encrypted_pcd: messagingTemplate
+                        }]
+                    },
+                    timestamp: Date.now()
+                }
             });
+            console.log('💾 Process message sauvegardé dans diffs');
 
             return result;
         } catch (e) {
@@ -388,7 +398,6 @@ class ChatElement extends HTMLElement {
         }
       }
 
-// Send a messsage
     private async sendMessage() {
         const messageInput = this.shadowRoot?.querySelector('#message-input') as HTMLInputElement;
         if (!messageInput || !this.selectedMemberId) return;
@@ -416,14 +425,12 @@ class ChatElement extends HTMLElement {
                     member.sp_addresses.includes(this.selectedMemberId)
                 )
             )?.[0] || 'default';
-
             const messageTemplate = {
-                messaging_id: messageProcess.process_id,
-                description: 'message_content',
+                messaging_id: this.getAttribute('process-id'),
+                description: 'message_content', 
                 state: 'sent',
                 content: {
                     text: messageText,
-                    timestamp: Date.now(),
                     sender: myAddresses[0],
                     recipient: this.selectedMemberId
                 },