fix(frontend): remove dead processing actions

frontend/src/views/knowledge/processing.vue

@@ -93,7 +93,6 @@
             </span>
           </button>
         </div>
-        <button class="new-category" type="button">+ 新建分类</button>
       </aside>
 
       <main class="panel task-panel">
@@ -145,12 +144,6 @@
           </el-table-column>
           <el-table-column prop="summary" label="AI摘要" min-width="230" show-overflow-tooltip />
           <el-table-column prop="updatedAt" label="更新时间" width="138" />
-          <el-table-column label="操作" width="92" fixed="right">
-            <template #default="{ row }">
-              <el-button link type="primary">{{ row.action }}</el-button>
-              <el-button v-if="row.status === '失败'" link type="danger">删除</el-button>
-            </template>
-          </el-table-column>
         </el-table>
 
         <footer class="table-footer">
@@ -1053,17 +1046,6 @@ function fileBadgeClass(type: string) {
   background: #e6f7ee;
 }
 
-.new-category {
-  width: 100%;
-  margin-top: 14px;
-  border: 0;
-  border-top: 1px solid #edf0f5;
-  background: transparent;
-  padding-top: 14px;
-  color: #657184;
-  cursor: pointer;
-}
-
 .task-title {
   align-items: center;
 }