fix(ui): jump straight to the last Request Logs page instead of advancing one page

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

litellm/proxy/spend_tracking/spend_management_endpoints.py

@@ -2944,7 +2944,10 @@ async def _ui_session_grouped_spend_logs(
     next ``page_size`` sessions ordered by ``(MAX(startTime), session_key,
     api_key)``, resumed from the ``session_cursor`` keyset
     ``'<last_activity>|<api_key>|<session_key>'`` instead of an OFFSET, so
-    page depth does not degrade the query plan. Each session is represented
+    page depth does not degrade the query plan. A request for ``page > 1``
+    without a cursor (the UI jumping straight to the last page, or back to a
+    page it never walked through) falls back to ``OFFSET (page - 1) *
+    page_size``, bounded by the capped total. Each session is represented
     by its newest non-MCP row, enriched by ``_build_ui_spend_logs_response``
     exactly like the flat listing, and the response carries
     ``next_session_cursor`` / ``has_more`` while ``total`` counts sessions
@@ -2963,6 +2966,8 @@ async def _ui_session_grouped_spend_logs(
     )
     cursor_params: Final[tuple[object, ...]] = cursor if cursor else ()
     limit_index: Final = next_param_index + len(cursor_params)
+    offset_params: Final[tuple[int, ...]] = ((page - 1) * page_size,) if cursor is None and page > 1 else ()
+    offset_clause: Final = f"OFFSET ${limit_index + 1}" if offset_params else ""
 
     page_query: Final = f"""
         SELECT {_SESSION_KEY_EXPR} AS session_key,
@@ -2973,10 +2978,10 @@ async def _ui_session_grouped_spend_logs(
         GROUP BY {_SESSION_GROUP_KEY_SQL}
         {having_clause}
         ORDER BY MAX("startTime") {direction}, {_SESSION_KEY_EXPR} {direction}, api_key {direction}
-        LIMIT ${limit_index}
+        LIMIT ${limit_index} {offset_clause}
     """
     page_rows: Final[Sequence[_SessionPageRow]] = await _query_raw(
-        prisma_client, page_query, *sql_params, *cursor_params, page_size + 1
+        prisma_client, page_query, *sql_params, *cursor_params, page_size + 1, *offset_params
     )
 
     has_more: Final = len(page_rows) > page_size

tests/test_litellm/proxy/spend_tracking/test_spend_management_endpoints.py

@@ -6742,6 +6742,48 @@ async def test_ui_view_spend_logs_group_by_session_cursor_page(client, monkeypat
         app.dependency_overrides.pop(ps.user_api_key_auth, None)
 
 
+@pytest.mark.asyncio
+async def test_ui_view_spend_logs_group_by_session_jumps_to_page_without_cursor(client, monkeypatch):
+    """page > 1 with no session_cursor (the UI's last-page jump) skips (page - 1) * page_size sessions by OFFSET."""
+    page_rows = [_session_page_row("sess-3", "2026-08-29 06:00:00")]
+    reps = [_session_representative_row("req-3", "sess-3")]
+    mock_prisma = _session_grouped_mock_prisma(page_rows, 60, reps)
+    monkeypatch.setattr("litellm.proxy.proxy_server.prisma_client", mock_prisma)
+    monkeypatch.setattr(
+        "litellm.proxy.spend_tracking.spend_management_endpoints._is_admin_view_safe",
+        lambda user_api_key_dict: True,
+    )
+    app.dependency_overrides[ps.user_api_key_auth] = lambda: UserAPIKeyAuth(
+        user_role=LitellmUserRoles.PROXY_ADMIN, user_id="admin_user"
+    )
+    try:
+        start_date, end_date = _default_date_range()
+        response = client.get(
+            "/spend/logs/ui",
+            params={
+                "start_date": start_date,
+                "end_date": end_date,
+                "group_by_session": "true",
+                "page": 3,
+                "page_size": 25,
+            },
+            headers={"Authorization": "Bearer sk-test"},
+        )
+        assert response.status_code == 200, response.text
+        data = response.json()
+        assert data["page"] == 3
+        assert data["has_more"] is False
+        assert [row["request_id"] for row in data["data"]] == ["req-3"]
+
+        page_query_call = mock_prisma.db.query_raw.await_args_list[0]
+        page_query_sql = page_query_call.args[0]
+        assert "HAVING" not in page_query_sql
+        assert "OFFSET" in page_query_sql
+        assert page_query_call.args[-2:] == (26, 50), "LIMIT page_size + 1 then OFFSET (page - 1) * page_size"
+    finally:
+        app.dependency_overrides.pop(ps.user_api_key_auth, None)
+
+
 @pytest.mark.asyncio
 async def test_ui_view_spend_logs_group_by_session_offset_for_non_starttime_sort(
     client, monkeypatch

ui/litellm-dashboard/src/components/view_logs/RequestLogsPanel.test.tsx

@@ -258,6 +258,44 @@ describe("RequestLogsPanel", () => {
       });
     });
 
+    it("jumps straight to the last page without a cursor when the last-page button is clicked", async () => {
+      const firstPage = Array.from({ length: 25 }, (_, index) => logEntry({ request_id: `req-${index}` }));
+      const lastPage = Array.from({ length: 10 }, (_, index) => logEntry({ request_id: `req-last-${index}` }));
+      vi.mocked(uiSpendLogsCall).mockImplementation(async ({ page }) =>
+        page === 3
+          ? {
+              data: lastPage,
+              total: 60,
+              page: 3,
+              page_size: 25,
+              total_pages: 3,
+              next_session_cursor: null,
+              has_more: false,
+            }
+          : {
+              data: firstPage,
+              total: 60,
+              page: 1,
+              page_size: 25,
+              total_pages: 3,
+              next_session_cursor: "2026-07-07 09:50:13|key-1|sess-1",
+              has_more: true,
+            },
+      );
+      renderPanel();
+
+      await waitFor(() => expect(row("req-0")).not.toBeNull());
+      expect(screen.getByTestId("pagination-page")).toHaveTextContent("Page 1 of 3");
+      fireEvent.click(screen.getByTestId("pagination-last"));
+
+      await waitFor(() => expect(row("req-last-0")).not.toBeNull());
+      expect(lastCall()?.page).toBe(3);
+      expect(lastCall()?.params?.session_cursor).toBeUndefined();
+      expect(screen.getByTestId("pagination-page")).toHaveTextContent("Page 3 of 3");
+      expect(screen.getByTestId("pagination-range")).toHaveTextContent("Showing 51-60 of 60");
+      expect(vi.mocked(uiSpendLogsCall).mock.calls.filter(([options]) => options.page === 2)).toHaveLength(0);
+    });
+
     it("drops the cursor and returns to the first page when a filter changes", async () => {
       const firstPage = Array.from({ length: 50 }, (_, index) => logEntry({ request_id: `req-${index}` }));
       vi.mocked(uiSpendLogsCall).mockResolvedValue({

ui/litellm-dashboard/src/components/view_logs/RequestLogsPanel.tsx

@@ -209,15 +209,14 @@ export default function RequestLogsPanel({ accessToken, token, userRole, userID,
         setPagination({ ...requested, pageIndex: 0 });
         return;
       }
-      if (requested.pageIndex <= pagination.pageIndex) {
+      if (requested.pageIndex !== pagination.pageIndex + 1) {
         setPagination(requested);
         return;
       }
       const nextCursor = filteredLogs.next_session_cursor;
       if (!nextCursor || logsQuery.isPlaceholderData) return;
-      const nextPageIndex = pagination.pageIndex + 1;
-      setSessionCursors((previous) => ({ ...previous, [nextPageIndex]: nextCursor }));
-      setPagination({ ...requested, pageIndex: nextPageIndex });
+      setSessionCursors((previous) => ({ ...previous, [requested.pageIndex]: nextCursor }));
+      setPagination(requested);
     },
     [usesSessionCursor, pagination, filteredLogs.next_session_cursor, logsQuery.isPlaceholderData],
   );