From 647a902e9f941b31b8dfe1c04ab281aaf6e9aeb3 Mon Sep 17 00:00:00 2001
From: pa <maplenagisa@gmail.com>
Date: Wed, 18 Mar 2026 21:03:23 +0900
Subject: [PATCH] fix: reset page index when total page count shrinks below
 current page

---
 .../PreviousInstancesListDialog.vue                 |  1 +
 src/components/ui/data-table/DataTableLayout.vue    | 13 +++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/src/components/dialogs/PreviousInstancesDialog/PreviousInstancesListDialog.vue b/src/components/dialogs/PreviousInstancesDialog/PreviousInstancesListDialog.vue
index 48c4c053..e1fe2921 100644
--- a/src/components/dialogs/PreviousInstancesDialog/PreviousInstancesListDialog.vue
+++ b/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') {
diff --git a/src/components/ui/data-table/DataTableLayout.vue b/src/components/ui/data-table/DataTableLayout.vue
index 9acf94bd..e44943c2 100644
--- a/src/components/ui/data-table/DataTableLayout.vue
+++ b/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) {