feat(t245): use ERP images as procurement references

backend-api/internal/transport/webui/templates/freight-detail.gohtml

@@ -103,6 +103,7 @@
                 <button class="button" type="submit">上传参考图</button>
               </form>
               {{else if eq .Request.Status "READY"}}
+              {{if .Request.ReferenceOriginLabel}}<span class="secondary">{{.Request.ReferenceOriginLabel}}</span>{{end}}
               <form method="post"
                 action="/freight/procurement-requests/{{pathPart .Request.ID}}/purchase-task">
                 <input type="hidden" name="csrf_token" value="{{$.Page.CSRFToken}}">
@@ -110,6 +111,17 @@
                 <input type="hidden" name="task_key" value="{{.Request.TaskKey}}">
                 <button class="button primary" type="submit">生成采购任务</button>
               </form>
+              <form method="post" enctype="multipart/form-data"
+                action="/freight/procurement-requests/{{pathPart .Request.ID}}/reference">
+                <input type="hidden" name="csrf_token" value="{{$.Page.CSRFToken}}">
+                <input type="hidden" name="order_id" value="{{$.Detail.Order.ID}}">
+                <input type="hidden" name="upload_key" value="{{.Request.UploadKey}}">
+                <label>
+                  <span class="visually-hidden">更换参考图片</span>
+                  <input name="image" type="file" accept="image/jpeg,image/png,image/webp" required>
+                </label>
+                <button class="button" type="submit">更换参考图</button>
+              </form>
               {{else if .Request.PurchaseTaskID}}
               <a class="detail-link" href="/tasks/{{pathPart .Request.PurchaseTaskID}}">查看采购任务</a>
               {{end}}