Show build platform badge on build list and task detail pages

rdgenerator/templates/failure.html

@@ -10,7 +10,8 @@
         <h2 class="result-title">构建未能完成</h2>
         <p class="result-desc">
             任务状态：<span class="badge {{ status_badge }}">{{ status_label }}</span><br>
-            配置名称：<strong>{{ filename }}</strong>
+            配置名称：<strong>{{ filename }}</strong><br>
+            构建平台：<span class="badge {{ backend_badge_class }}">{{ backend_label }}</span>
         </p>
 
         <div class="info-box" style="text-align:left">

rdgenerator/templates/generated.html

@@ -11,6 +11,7 @@
         <p class="result-desc">
             配置名称：<strong>{{ filename }}</strong> ·
             任务编号：<span class="mono">{{ uuid }}</span><br>
+            构建平台：<span class="badge {{ backend_badge_class }}">{{ backend_label }}</span><br>
             请选择与目标系统对应的安装包下载。
         </p>
 

rdgenerator/templates/my_builds.html

@@ -16,7 +16,8 @@
             <tr>
                 <th>提交时间</th>
                 <th>配置名称</th>
-                <th>平台</th>
+                <th>目标平台</th>
+                <th>构建平台</th>
                 <th>状态</th>
                 <th>任务编号</th>
                 <th>操作</th>
@@ -28,6 +29,7 @@
                 <td class="text-muted" style="white-space:nowrap">{{ run.created_at|date:"Y-m-d H:i" }}</td>
                 <td><strong>{{ run.filename|default:"—" }}</strong></td>
                 <td>{{ run.platform_label }}</td>
+                <td><span class="badge {{ run.backend_badge_class }}">{{ run.backend_label }}</span></td>
                 <td><span class="badge {{ run.status_badge }} {% if not run.is_finished %}badge-dot{% endif %}">{{ run.status_label }}</span></td>
                 <td class="mono text-muted">{{ run.short_uuid }}</td>
                 <td style="white-space:nowrap">

rdgenerator/templates/waiting.html

@@ -25,6 +25,7 @@
             <div class="info-box-title"><svg class="icon"><use href="#i-package"/></svg> 任务信息</div>
             <div>配置名称：<strong>{{ filename }}</strong></div>
             <div>目标平台：<strong id="platformText">{{ platform }}</strong></div>
+            <div>构建平台：<span class="badge {{ backend_badge_class }}">{{ backend_label }}</span></div>
             {% if log_url %}
             <div style="margin-top:8px">
                 <a href="{{ log_url }}" target="_blank" rel="noopener">