feat(sessions): add confirmation dialog before deleting active sessions

Active Sessions now show inline confirm/cancel buttons before deletion,
matching the Recent Sessions UX pattern.

apps/web/src/pages/sessions.tsx

@@ -300,8 +300,10 @@ export const SessionsPage = () => {
                         <Icon name="stop" size="sm" />
                         Stop
                       </button>
+                      {deleteConfirmId === session.id ? (
+                        <div className="delete-confirm-inline">
                           <button
-                        className="ghost-button small danger-text"
+                            className="danger-button small"
                             onClick={() =>
                               void handleDelete(
                                 session.id,
@@ -310,9 +312,26 @@ export const SessionsPage = () => {
                               )
                             }
                             type="button"
+                          >
+                            Delete
+                          </button>
+                          <button
+                            className="ghost-button small"
+                            onClick={() => setDeleteConfirmId(null)}
+                            type="button"
+                          >
+                            Cancel
+                          </button>
+                        </div>
+                      ) : (
+                        <button
+                          className="ghost-button small danger-text"
+                          onClick={() => setDeleteConfirmId(session.id)}
+                          type="button"
                         >
                           <Icon name="delete" size="sm" />
                         </button>
+                      )}
                     </div>
                   </div>
                 ))}