Server: restore checkbox + batch-delete. Conditional ID (server only) and checkbox via data-show-id/data-batch-delete-url.

server/templates/history.html

@@ -16,6 +16,9 @@
         <div class="card shadow-sm">
             <div class="card-header py-2 d-flex justify-content-between align-items-center">
                 <h6 class="text-primary fw-bold m-0">Recorded trips</h6>
+                <button id="delete-selected-btn" class="btn btn-sm btn-outline-danger" type="button" hidden title="Delete selected trips">
+                    <i class="fas fa-trash fa-fw"></i> Delete selected
+                </button>
             </div>
             <div class="card-body p-0">
                 <div id="trip-loading" class="text-center text-muted py-4">
@@ -39,6 +42,8 @@
                     true
                 ) }}
                 <script>document.getElementById('trip-list').dataset.deleteUrl = '/api/v1/portal/trip/';</script>
+                <script>document.getElementById('trip-list').dataset.batchDeleteUrl = '/api/v1/portal/trips/delete';</script>
+                <script>document.getElementById('trip-list').dataset.showId = '1';</script>
             </div>
         </div>
     </div>