fix(projects): 针对技术负债去优化代码

src/views/project/project/execution/index.vue

@@ -684,10 +684,11 @@ async function confirmDeleteExecution(payload: { name: string; confirmText: stri
     confirmText: payload.confirmText,
     reason: payload.reason
   });
-  if (error) return;
-  window.$message?.success('删除成功');
+  // 成功=正常删除；失败=多为打开弹层后对象被并发改状态/删除，错误文案由全局 onError 弹 Toast。
+  // 两种情况都关弹层 + 刷新：失败也要让用户离开已失效的弹层、看到最新数据。
   deleteDialogVisible.value = false;
   selectedExecution.value = null;
+  if (!error) window.$message?.success('删除成功');
   // 删执行 → 执行集合 -1,视角 chip + 任务 scope/cross counts 都要刷
   await Promise.all([
     reloadExecutionData(1),

src/views/project/project/execution/modules/task-info-readonly.vue

@@ -6,6 +6,7 @@ import BusinessFormSection from '@/components/custom/business-form-section.vue';
 import BusinessRichTextEditor from '@/components/custom/business-rich-text-editor.vue';
 import BusinessUserSelect from '@/components/custom/business-user-select.vue';
 import DictSelect from '@/components/custom/dict-select.vue';
+import { SHOW_TASK_PARENT_FIELD } from '../shared';
 
 defineOptions({ name: 'ProjectExecutionTaskInfoReadonly' });
 
@@ -53,7 +54,7 @@ const parentTaskOptions = computed(() => {
           <ElFormItem label="任务类型">
             <DictSelect :model-value="taskType" :dict-code="RDMS_TASK_ITEM_TYPE_DICT_CODE" disabled placeholder="--" />
           </ElFormItem>
-          <ElFormItem label="父任务">
+          <ElFormItem v-if="SHOW_TASK_PARENT_FIELD" label="父任务">
             <ElSelect :model-value="parentTaskId" disabled clearable filterable class="w-full" placeholder="无">
               <ElOption v-for="item in parentTaskOptions" :key="item.id" :label="item.taskTitle" :value="item.id" />
             </ElSelect>

src/views/project/project/execution/modules/task-operate-dialog.vue

@@ -10,6 +10,8 @@ import BusinessFormSection from '@/components/custom/business-form-section.vue';
 import BusinessRichTextEditor from '@/components/custom/business-rich-text-editor.vue';
 import BusinessUserSelect from '@/components/custom/business-user-select.vue';
 import DictSelect from '@/components/custom/dict-select.vue';
+import { SHOW_TASK_PARENT_FIELD } from '../shared';
+
 defineOptions({ name: 'ProjectExecutionTaskOperateDialog' });
 
 type OperateMode = 'create' | 'edit';
@@ -342,7 +344,7 @@ defineExpose({
               />
             </ElFormItem>
 
-            <ElFormItem label="父任务">
+            <ElFormItem v-if="SHOW_TASK_PARENT_FIELD" label="父任务">
               <ElSelect v-model="model.parentTaskId" clearable filterable class="w-full" placeholder="请选择父任务">
                 <ElOption
                   v-for="item in selectableParentTasks"

src/views/project/project/execution/modules/task-table-view.vue

@@ -4,7 +4,13 @@ import type { PaginationProps } from 'element-plus';
 import { RDMS_REQ_PRIORITY_DICT_CODE } from '@/constants/dict';
 import { useAuthStore } from '@/store/modules/auth';
 import DictTag from '@/components/custom/dict-tag.vue';
-import { formatDate, formatDateRange, getTaskStatusName, getTaskStatusTagType } from '../shared';
+import {
+  SHOW_TASK_PARENT_FIELD,
+  formatDate,
+  formatDateRange,
+  getTaskStatusName,
+  getTaskStatusTagType
+} from '../shared';
 import { useTaskActions } from '../composables/use-task-actions';
 
 defineOptions({ name: 'ProjectExecutionTaskTableView' });
@@ -141,7 +147,12 @@ function handleSizeChange(pageSize: number) {
         <ElTableColumn v-if="!crossExecutionMode" label="负责人" min-width="120" show-overflow-tooltip>
           <template #default="{ row }">{{ row.ownerNickname || row.ownerId || '--' }}</template>
         </ElTableColumn>
-        <ElTableColumn v-if="!crossExecutionMode" label="父任务" min-width="140" show-overflow-tooltip>
+        <ElTableColumn
+          v-if="!crossExecutionMode && SHOW_TASK_PARENT_FIELD"
+          label="父任务"
+          min-width="140"
+          show-overflow-tooltip
+        >
           <template #default="{ row }">{{ getParentTaskLabel(row.parentTaskId) }}</template>
         </ElTableColumn>
         <ElTableColumn label="进度" width="160">

src/views/project/project/execution/modules/task-workspace.vue

@@ -696,10 +696,11 @@ async function confirmDeleteTask(payload: { name: string; confirmText: string; r
     confirmText: payload.confirmText,
     reason: payload.reason
   });
-  if (error) return;
-  window.$message?.success('删除成功');
+  // 成功=正常删除；失败=多为打开弹层后对象被并发改状态/删除，错误文案由全局 onError 弹 Toast。
+  // 两种情况都关弹层 + 刷新列表：失败也要让用户离开已失效的弹层、看到最新数据。
   deleteTaskDialogVisible.value = false;
   deleteTaskTarget.value = null;
+  if (!error) window.$message?.success('删除成功');
   await Promise.all([refreshTableData(), loadTaskStatusBoard()]);
 }
 

src/views/project/project/execution/shared.ts

@@ -5,6 +5,13 @@ type ExecutionStatusCode = Api.Project.ProjectExecutionStatusCode;
 type TaskStatusCode = Api.Project.ProjectTaskStatusCode;
 type ExecutionAssigneeActionType = Api.Project.ExecutionAssigneeActionType;
 
+/**
+ * 是否在任务界面展示「父任务」相关露出（表格列 / 新建编辑下拉 / 详情只读字段）。
+ * 当前业务经执行分层后极少有子任务需求，暂统一隐藏，使任务呈扁平的一级任务列表；
+ * 底层父子数据与级联完成逻辑保留不动，将来恢复子任务功能改回 true 即可。
+ */
+export const SHOW_TASK_PARENT_FIELD = false;
+
 export const executionAssigneeActionNameMap: Record<ExecutionAssigneeActionType, string> = {
   join: '加入',
   inactive: '失效',