diff --git a/src/pages/chat/chat.ts b/src/pages/chat/chat.ts
index 1a714e5..21d14a8 100755
--- a/src/pages/chat/chat.ts
+++ b/src/pages/chat/chat.ts
@@ -457,7 +457,7 @@ class ChatElement extends HTMLElement {
                     messageContent.className = `message ${isCurrentUser ? 'user' : ''}`;
     
                     const senderEmoji = await addressToEmoji(message.metadata.sender);
-                    
+    
                     if (message.type === 'file') {
                         let fileContent = '';
                         if (message.content.type.startsWith('image/')) {
@@ -721,6 +721,25 @@ class ChatElement extends HTMLElement {
 
         li.appendChild(roleList);
         groupList.appendChild(li);
+
+        container.addEventListener('click', (event) => {
+            event.stopPropagation();
+            container.classList.toggle('expanded');
+            const roleList = container.parentElement?.querySelector('.role-list');
+            const dm = container.parentElement?.querySelector('.dm');
+            
+            if (roleList) {
+                // Si le container est expanded, on montre la liste des rôles
+                if (container.classList.contains('expanded')) {
+                    (roleList as HTMLElement).style.display = 'block';
+                    if (dm) (dm as HTMLElement).style.display = 'block';
+                } else {
+                    // Sinon on cache la liste des rôles
+                    (roleList as HTMLElement).style.display = 'none';
+                    if (dm) (dm as HTMLElement).style.display = 'none';
+                }
+            }
+        });
     }
 
 
@@ -925,7 +944,7 @@ class ChatElement extends HTMLElement {
         if (this.processId) {
             console.log('🔍 Loading chat with process ID:', this.processId);
             this.loadGroupListFromAProcess(this.processId);
-        } else {
+        } else if(this.processId == null){
             console.error('❌ No process ID found in element attributes');
             this.loadAllGroupList();
         }