完善训练模块

eai_ap_app/frontend/src/api/officialAccount.js

@@ -18,6 +18,12 @@ export function executeOfficialAccountWorkflowStep(taskId, stepKey, data) {
   })
 }
 
+export function regenerateOfficialAccountImage(taskId, imageKey) {
+  return http.post(`/official-account/tasks/${taskId}/images/${imageKey}/regenerate`, {}, {
+    timeout: 0,
+  })
+}
+
 export function exportOfficialAccountDocument(taskId, format) {
   return http.get(`/official-account/tasks/${taskId}/export`, {
     params: { format },

eai_ap_app/frontend/src/views/workbench/OfficialAccountWorkflowPage.vue

@@ -410,6 +410,16 @@
                               />
                               <div class="image-section">{{ item.section || item.key }}</div>
                               <div class="image-prompt">{{ item.prompt }}</div>
+                              <div class="image-actions">
+                                <el-button
+                                  size="small"
+                                  :loading="regeneratingImageKey === item.key"
+                                  :disabled="Boolean(runningStepKey || pollingStepKey || regeneratingImageKey)"
+                                  @click.stop="regenerateSingleImage(item)"
+                                >
+                                  重生成本张
+                                </el-button>
+                              </div>
                             </div>
                           </div>
                           <div v-else class="empty-text">当前还没有图片结果。</div>
@@ -501,6 +511,7 @@ import {
   executeOfficialAccountWorkflowStep,
   exportOfficialAccountDocument,
   getOfficialAccountWorkflow,
+  regenerateOfficialAccountImage,
   updateOfficialAccountTask,
 } from '@/api/officialAccount'
 
@@ -546,6 +557,7 @@ const expandedHotspotKeys = ref([])
 const pollingToken = ref(0)
 const pollingStepKey = ref('')
 const exportingFormat = ref('')
+const regeneratingImageKey = ref('')
 const imagePreviewSources = ref({})
 const imageExportSources = ref({})
 const imagePreviewStates = ref({})
@@ -1585,6 +1597,26 @@ async function runStep(stepKey) {
   }
 }
 
+async function regenerateSingleImage(item) {
+  if (!selectedTaskId.value || !item?.key) {
+    ElMessage.warning('当前没有可重生成的图片')
+    return
+  }
+  try {
+    regeneratingImageKey.value = item.key
+    ElMessage.success(`开始重生成「${item.section || item.key}」`)
+    await regenerateOfficialAccountImage(selectedTaskId.value, item.key)
+    await loadWorkflow(selectedTaskId.value, { silent: true, preserveNodeState: true, syncRuntime: false })
+    await workerRuntime.loadTasks(workspaceKey.value)
+    await workerRuntime.loadTaskDetail(selectedTaskId.value)
+    ElMessage.success(`已重生成「${item.section || item.key}」`)
+  } catch (error) {
+    ElMessage.error(error?.message || '单张图片重生成失败')
+  } finally {
+    regeneratingImageKey.value = ''
+  }
+}
+
 function findRunningStepKey(workflowState = workflow.value) {
   const steps = workflowState?.steps || {}
   return workflowStepKeys.find(key => steps?.[key]?.status === 'running') || ''
@@ -2248,6 +2280,12 @@ onBeforeUnmount(() => {
   color: #b91c1c;
 }
 
+.image-actions {
+  margin-top: 10px;
+  display: flex;
+  justify-content: flex-end;
+}
+
 .image-thumb {
   margin-top: 8px;
   width: 100%;