feat: 新增 AI 辅助，重构登录页与环境变量命名

src/views/workflow/task/components/TodoTab.vue

@@ -92,6 +92,18 @@
           <el-descriptions-item label="当前任务">{{ detail.taskName }}</el-descriptions-item>
         </el-descriptions>
 
+        <!-- AI 摘要：按需生成，未开启 AI 时接口不存在，失败不影响审批 -->
+        <div class="todo-approve__ai">
+          <div class="todo-approve__ai-header">
+            <span>AI 摘要</span>
+            <el-button link type="primary" :loading="aiLoading" @click="handleAiSummary">
+              <template #icon><MagicStick /></template>
+              {{ aiSummary ? "重新生成" : "生成摘要" }}
+            </el-button>
+          </div>
+          <el-alert v-if="aiSummary" :closable="false" type="info" :description="aiSummary" />
+        </div>
+
         <el-tabs class="todo-approve__tabs">
           <el-tab-pane label="申请信息">
             <FormDetail
@@ -165,7 +177,7 @@
 <script setup lang="ts">
 import { useFullscreen } from "@vueuse/core";
 import { ElMessage, type FormInstance } from "element-plus";
-import { Refresh } from "@element-plus/icons-vue";
+import { MagicStick, Refresh } from "@element-plus/icons-vue";
 
 import WorkflowAPI from "@/api/workflow";
 import type {
@@ -225,6 +237,10 @@ const detail = ref<TaskDetailData>();
 /** 审批意见（通过/驳回共用） */
 const comment = ref("");
 
+/** AI 摘要与生成状态 */
+const aiSummary = ref("");
+const aiLoading = ref(false);
+
 /** 当前任务在流程走向中的位置（节点ID精确匹配，当前环节高亮进行中，之前为已完成；未匹配时不高亮） */
 const currentStageIndex = computed(() => {
   const stages = detail.value?.stages;
@@ -251,6 +267,7 @@ async function openApprove(taskId: string): Promise<void> {
   approveState.loading = true;
   closeRejectMode();
   comment.value = "";
+  aiSummary.value = "";
   try {
     detail.value = await WorkflowAPI.task.getDetail(taskId);
     approveState.title = `【${detail.value.taskName}】审批办理`;
@@ -259,6 +276,23 @@ async function openApprove(taskId: string): Promise<void> {
   }
 }
 
+/**
+ * 生成当前任务的 AI 摘要
+ */
+async function handleAiSummary(): Promise<void> {
+  if (!detail.value?.taskId) {
+    return;
+  }
+  aiLoading.value = true;
+  try {
+    aiSummary.value = await WorkflowAPI.task.aiSummary(detail.value.taskId);
+  } catch {
+    ElMessage.error("AI 摘要生成失败，请确认已开启 AI 配置");
+  } finally {
+    aiLoading.value = false;
+  }
+}
+
 /**
  * 切入驳回模式并加载可驳回的历史节点
  */
@@ -325,5 +359,19 @@ onMounted(() => {
     margin-top: 16px;
     margin-bottom: 8px;
   }
+
+  &__ai {
+    margin-top: 12px;
+
+    &-header {
+      display: flex;
+      align-items: center;
+      justify-content: space-between;
+      margin-bottom: 8px;
+      font-size: 14px;
+      font-weight: 600;
+      color: var(--el-text-color-primary);
+    }
+  }
 }
 </style>