feat: Add pagination to all list pages

Integrate Pager component into Jobs, Materials, Stock, Suppliers,
and Tools index pages with a page size of 25. Handles page
adjustment on delete when the last page becomes empty.

Also removes the Description column from the Materials table.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

CutList.Web/Components/Pages/Tools/Index.razor

@@ -78,7 +78,7 @@ else
                 </tr>
             </thead>
             <tbody>
-                @foreach (var tool in tools)
+                @foreach (var tool in pagedTools)
                 {
                     <tr>
                         <td>@tool.Name</td>
@@ -97,6 +97,8 @@ else
                 }
             </tbody>
         </table>
+
+        <Pager TotalCount="tools.Count" PageSize="pageSize" CurrentPage="currentPage" CurrentPageChanged="OnPageChanged" />
     }
 }
 
@@ -112,6 +114,10 @@ else
     private bool showForm;
     private bool saving;
     private string? errorMessage;
+    private int currentPage = 1;
+    private int pageSize = 25;
+
+    private IEnumerable<CuttingTool> pagedTools => tools.Skip((currentPage - 1) * pageSize).Take(pageSize);
 
     private CuttingTool formTool = new();
     private CuttingTool? editingTool;
@@ -207,9 +213,15 @@ else
         {
             await JobService.DeleteCuttingToolAsync(toolToDelete.Id);
             tools = await JobService.GetCuttingToolsAsync();
+
+            var totalPages = (int)Math.Ceiling((double)tools.Count / pageSize);
+            if (currentPage > totalPages && totalPages > 0)
+                currentPage = totalPages;
         }
     }
 
+    private void OnPageChanged(int page) => currentPage = page;
+
     private string FormatKerf(decimal kerf)
     {
         // Show as fraction if it's a common value