fix: reset page index when total page count shrinks below current page

src/components/dialogs/PreviousInstancesDialog/PreviousInstancesListDialog.vue

@@ -251,6 +251,7 @@
             const D = previousInstancesListDialog.value;
             if (currentId.value !== D.lastId) {
                 table.setPageIndex(0);
+                pageIndex.value = 0;
                 D.lastId = currentId.value;
             }
             if (props.variant === 'user') {

src/components/ui/data-table/DataTableLayout.vue

@@ -629,6 +629,19 @@
         }
     });
 
+    // When the total page count shrinks below the current page
+    // jump to the last available page
+    watch(
+        () => props.table.getPageCount?.(),
+        (pageCount) => {
+            if (pageCount == null || pageCount <= 0) return;
+            const pageIndex = props.table.getState?.().pagination?.pageIndex ?? 0;
+            if (pageIndex >= pageCount) {
+                props.table.setPageIndex(pageCount - 1);
+            }
+        }
+    );
+
     watch([currentPage, pageSizeProxy], async () => {
         await nextTick();
         if (tableScrollRef.value) {