fix(web): label required lengths as material list

CLAUDE.md

@@ -101,6 +101,8 @@ CutList.Mcp is an stdio MCP server, not a hosted service — it's published to `
 
 **Job title**: The job-editor page uses the `job-title` class to keep long job names at a compact, readable heading size without changing the larger dashboard hero typography.
 
+**Material list semantics**: The Results tab labels lengths not covered by the job's configured stock as a **Material List**, not a purchase list. It identifies required material; purchasing remains a separate decision outside the cut-list result.
+
 ### CutList.Mcp — MCP Server
 
 Stdio-transport MCP server (`ModelContextProtocol` SDK) exposing CutList.Web's REST API as tools for Claude Code. Registers tools via `WithToolsFromAssembly`; logging is disabled entirely so it doesn't interfere with the stdio transport.

CutList.Web/Components/Pages/Jobs/Edit.razor

@@ -1042,10 +1042,10 @@ else
                     </div>
                 </div>
 
-                <!-- Purchase List -->
-                <div class="card mb-4 print-purchase-list">
+                <!-- Material List: required stock lengths not covered by job stock -->
+                <div class="card mb-4 print-material-list">
                     <div class="card-header d-flex justify-content-between align-items-center">
-                        <h5 class="mb-0"><i class="bi bi-cart me-2"></i>Purchase List</h5>
+                        <h5 class="mb-0"><i class="bi bi-box-seam me-2"></i>Material List</h5>
                         @if (job.IsLocked)
                         {
                             <span class="badge bg-success"><i class="bi bi-lock-fill me-1"></i>Job Locked</span>
@@ -1064,7 +1064,7 @@ else
                     <div class="card-body">
                         @if (summary.TotalToBePurchasedBins == 0)
                         {
-                            <p class="text-muted mb-0">Everything is available in stock. No purchases needed.</p>
+                            <p class="text-muted mb-0">No additional material lengths are required beyond the stock configured for this job.</p>
                         }
                         else
                         {
@@ -1092,7 +1092,7 @@ else
                                     </tbody>
                                     <tfoot>
                                         <tr class="fw-bold">
-                                            <td colspan="2">Total</td>
+                                            <td colspan="2">Total Required</td>
                                             <td class="text-end">@summary.TotalToBePurchasedBins bars</td>
                                         </tr>
                                     </tfoot>

CutList.Web/wwwroot/css/report.css

@@ -304,8 +304,8 @@
         margin: 0 !important;
     }
 
-    /* Keep purchase list with cut lists to save paper */
-    .print-purchase-list {
+    /* Keep material list with cut lists to save paper */
+    .print-material-list {
         break-inside: avoid;
         page-break-inside: avoid;
     }