修复: TaskDetail 操作按钮缺陷(推进竞态/菜单状态机过滤/工作流残留重置/子任务校验/描述编辑) + 看板销账(aichat切换缺陷 14/16 已修核对)

src/i18n/en/taskDetail.ts

@@ -47,7 +47,7 @@ export default {
     advanceFailed: 'Failed to advance task: {msg}',
     // F-260616-06 ①-1 / B-41 Workflow advance (linked to task, auto-selects pipeline template by target_status)
     workflowAdvanceTitle: 'Workflow Advance',
-    workflowAdvance: 'Run Workflow',
+    workflowAdvance: 'AI Execute Advance',
     workflowAdvancing: 'Workflow advancing...',
     workflowAdvanceFailed: 'Workflow advance failed: {msg}',
     // B-41 Inline progress (lightweight, listens to NodeStarted/NodeCompleted/WorkflowFailed)
@@ -75,5 +75,18 @@ export default {
     addSubtask: '+ Add Subtask',
     progressTitle: 'Progress',
     addSubtaskFailed: 'Failed to create subtask: {msg}',
+    // P2-9 subtask hint
+    subtaskHint: 'This is a subtask of: {title}',
+    // P2-7 subtask creation validation
+    subtaskTitleTooLong: 'Title must not exceed 128 characters',
+    subtaskDuplicate: 'A subtask with the same title already exists',
+    // P2-10 description editing
+    editDesc: 'Edit Description',
+    addDesc: '+ Add Description',
+    descEmpty: 'No description yet',
+    descPlaceholder: 'Enter task description...',
+    descSaveFailed: 'Failed to save description: {msg}',
+    saveDesc: 'Save',
+    cancelEdit: 'Cancel',
   },
 }

src/i18n/zh-CN/taskDetail.ts

@@ -47,7 +47,7 @@ export default {
     advanceFailed: '推进任务失败: {msg}',
     // F-260616-06 ①-1 / B-41 工作流推进(联动任务,按 target_status 自动选推进链模板)
     workflowAdvanceTitle: '工作流推进',
-    workflowAdvance: '工作流推进',             // 按钮(默认入口)
+    workflowAdvance: 'AI 执行推进',  // 区别于手动"开始":工作流推进会跑 AiNode 生成产出
     workflowAdvancing: '工作流推进中...',
     workflowAdvanceFailed: '工作流推进失败: {msg}',
     // B-41 内嵌进度(轻量,听 NodeStarted/NodeCompleted/WorkflowFailed)
@@ -75,5 +75,18 @@ export default {
     addSubtask: '＋ 添加子任务',
     progressTitle: '完成进度',
     addSubtaskFailed: '创建子任务失败: {msg}',
+    // P2-9 子任务提示
+    subtaskHint: '该任务为子任务，隶属于：{title}',
+    // P2-7 子任务创建校验
+    subtaskTitleTooLong: '标题不能超过 128 字',
+    subtaskDuplicate: '同父下已存在同名子任务',
+    // P2-10 描述编辑
+    editDesc: '编辑描述',
+    addDesc: '＋ 添加描述',
+    descEmpty: '暂无描述',
+    descPlaceholder: '输入任务描述...',
+    descSaveFailed: '保存描述失败: {msg}',
+    saveDesc: '保存',
+    cancelEdit: '取消',
   },
 }

src/views/TaskDetail.vue

@@ -34,7 +34,7 @@
           type="button"
           class="btn btn-sm"
           :class="act.variant"
-          :disabled="advancing"
+          :disabled="advancing || wfAdvancing"
           @click="handleAdvance(act.target)"
         >{{ advancing ? $t('taskDetail.advancing') : $t(act.label) }}</button>
       </div>
@@ -49,21 +49,35 @@
     <div v-else-if="task" class="detail-grid">
       <!-- ============ 左栏 ============ -->
       <div class="left-column">
-        <!-- 描述(可折叠:Problem4 ② 超 400px 显展开按钮) -->
-        <section v-if="task.description" class="panel">
+        <!-- P2-9 子任务提示条(仅子任务显示,指明隶属父任务) -->
+        <div v-if="task.parent_id" class="subtask-hint">{{ $t('taskDetail.subtaskHint', { title: parentTaskTitle || task.parent_id }) }}</div>
+
+        <!-- 描述(可编辑:有描述渲染+折叠 / 无描述空态;编辑态 textarea,对齐 IdeaDetail 模式) -->
+        <section class="panel">
           <div class="panel-header"><h2>{{ $t('taskDetail.description') }}</h2></div>
-          <div class="description-wrap" :style="descWrapStyle">
-            <!-- B-24:任务描述 Markdown 渲染(## 标题 / - 列表 等),v-html 经 useMarkdown DOMPurify sanitize -->
-            <span ref="descEl" class="value description ai-md" v-html="renderedDesc"></span>
-          </div>
-          <button
-            v-if="descCollapsible"
-            class="btn btn-ghost btn-sm desc-toggle"
-            type="button"
-            @click="descExpanded = !descExpanded"
-          >{{ descExpanded ? $t('taskDetail.collapse') : $t('taskDetail.expand') }}</button>
-          <!-- 折叠态淡出渐变蒙层(展开态不显) -->
-          <div v-if="descCollapsible && !descExpanded" class="desc-fade"></div>
+          <template v-if="editingDesc">
+            <textarea v-model="editDesc" class="detail-desc-edit" rows="4" :placeholder="$t('taskDetail.descPlaceholder')"></textarea>
+            <div class="desc-edit-actions">
+              <button class="btn btn-primary btn-sm" :disabled="savingDesc" @click="saveEditDesc">{{ $t('taskDetail.saveDesc') }}</button>
+              <button class="btn btn-ghost btn-sm" :disabled="savingDesc" @click="cancelEditDesc">{{ $t('taskDetail.cancelEdit') }}</button>
+            </div>
+          </template>
+          <template v-else>
+            <div v-if="task.description" class="description-wrap" :style="descWrapStyle">
+              <span ref="descEl" class="value description ai-md" v-html="renderedDesc"></span>
+              <button
+                v-if="descCollapsible"
+                class="btn btn-ghost btn-sm desc-toggle"
+                type="button"
+                @click="descExpanded = !descExpanded"
+              >{{ descExpanded ? $t('taskDetail.collapse') : $t('taskDetail.expand') }}</button>
+              <div v-if="descCollapsible && !descExpanded" class="desc-fade"></div>
+            </div>
+            <div v-else class="empty-hint desc-empty">{{ $t('taskDetail.descEmpty') }}</div>
+            <button class="btn btn-ghost btn-sm desc-edit-btn" :disabled="savingDesc" @click="startEditDesc">
+              {{ task.description ? $t('taskDetail.editDesc') : $t('taskDetail.addDesc') }}
+            </button>
+          </template>
         </section>
 
         <!-- 关联信息(Problem4 ③④ 去重 + 空值不显行)。
@@ -153,7 +167,7 @@
               <div v-if="childMenuId === child.id" class="quick-menu" @click.stop>
                 <div class="quick-menu-section">
                   <div class="quick-menu-label">{{ $t('tasks.quickStatus') }}</div>
-                  <button v-for="s in quickStatuses" :key="s.key" class="quick-menu-item" @click="advanceChild(child, s.key)">
+                  <button v-for="s in quickStatusesFor(child)" :key="s.key" class="quick-menu-item" @click="advanceChild(child, s.key)">
                     <span>{{ s.icon }}</span>{{ s.label }}
                   </button>
                 </div>
@@ -288,6 +302,11 @@ const quickStatuses = computed(() => [
   { key: 'done', icon: '✅', label: t('tasks.statusFilter.done') },
   { key: 'blocked', icon: '🚫', label: t('tasks.statusFilter.blocked') },
 ])
+/** 子任务快捷推进目标 = 状态机合法下一态(ADVANCE_MAP 过滤,与顶部手动按钮同源) */
+function quickStatusesFor(child: TaskRecord) {
+  const valid = new Set((ADVANCE_MAP[child.status] ?? []).map((a) => a.target))
+  return quickStatuses.value.filter((s) => valid.has(s.key))
+}
 const quickPriorities = computed(() => [
   { value: 0, label: t('tasks.modal.priorityCritical'), cls: 'priority-critical' },
   { value: 1, label: t('tasks.modal.priorityHigh'), cls: 'priority-high' },
@@ -364,11 +383,14 @@ function openSubtaskModal() {
 async function confirmSubtask() {
   const cur = task.value
   if (!cur || !subtaskTitle.value.trim() || subtaskSubmitting.value) return
+  const title = subtaskTitle.value.trim()
+  if (title.length > 128) { errorMsg.value = t('taskDetail.subtaskTitleTooLong'); return }
+  if (children.value.some((c) => c.title === title)) { errorMsg.value = t('taskDetail.subtaskDuplicate'); return }
   subtaskSubmitting.value = true
   try {
     const r = await taskApi.create({
       project_id: cur.project_id,
-      title: subtaskTitle.value.trim(),
+      title,
       description: subtaskDesc.value.trim() || undefined,
       priority: subtaskPriority.value,
       // project_id 继承当前任务、parent_id = 当前任务 id
@@ -376,6 +398,7 @@ async function confirmSubtask() {
     })
     if (!r) return
     showSubtaskModal.value = false
+    errorMsg.value = ''
     await loadChildren()
   } catch (e: any) {
     errorMsg.value = t('taskDetail.addSubtaskFailed', { msg: e?.toString() ?? t('common.unknownError') })
@@ -396,6 +419,15 @@ const wfResult = ref<'completed' | 'failed' | null>(null)
 // SW-260618-21: 终态提示 timer 引用,卸载时清理防写已销毁 ref(对齐 Projects.vue _toastTimer 模式)
 let _wfResultTimer: ReturnType<typeof setTimeout> | null = null
 
+/** 重置工作流推进相关 UI 态(切任务/refresh/手动推进成功后调用。
+    注意:df-data-changed 触发的 load() 不调此函数,避免工作流推进中 AI 工具改任务触发刷新时进度面板被误清) */
+function resetWorkflowUi() {
+  wfExecId.value = null
+  wfDagJson.value = ''
+  wfResult.value = null
+  if (_wfResultTimer) { clearTimeout(_wfResultTimer); _wfResultTimer = null }
+}
+
 // B-41: 共享工作流进度推导。workflow store 已全局收集 liveEvents,此处按 execId
 // 派生节点状态/进度,与 ProjectDetail 同源(store.workflowProgress),替代原本地 onEvent 逐事件累加。
 const wfProgress = computed(() => store.workflowProgress(wfExecId.value))
@@ -469,6 +501,30 @@ async function measureDescHeight() {
   descOverflow.value = el.scrollHeight > DESC_COLLAPSE_PX
 }
 
+// P2-10: 描述编辑(对齐 IdeaDetail 模式;taskApi.update(id, 'description', value))
+const editingDesc = ref(false)
+const editDesc = ref('')
+const savingDesc = ref(false)
+function startEditDesc() {
+  editDesc.value = task.value?.description ?? ''
+  editingDesc.value = true
+}
+function cancelEditDesc() { editingDesc.value = false }
+async function saveEditDesc() {
+  if (!task.value || savingDesc.value) return
+  savingDesc.value = true
+  try {
+    await taskApi.update(task.value.id, 'description', editDesc.value)
+    task.value = { ...task.value, description: editDesc.value }
+    editingDesc.value = false
+    errorMsg.value = ''
+  } catch (e: any) {
+    errorMsg.value = t('taskDetail.descSaveFailed', { msg: e?.toString() ?? t('common.unknownError') })
+  } finally {
+    savingDesc.value = false
+  }
+}
+
 // F-AiNodeSelfReview: output_json 解析 + AI 产出/自审渲染已抽至 TaskOutputCard 子组件
 // (components/task/TaskOutputCard.vue),父级只传 output-json prop,零行为变更。
 
@@ -569,6 +625,8 @@ async function handleAdvance(target: string) {
     // advance_task 返回更新后的 TaskRecord(含新 status / review_rounds)
     const updated = await taskApi.advance(task.value.id, target)
     task.value = updated
+    // P2-8: 手动推进成功后清工作流 UI 态(防上一轮工作流残留进度/终态提示污染新任务态)
+    resetWorkflowUi()
     errorMsg.value = ''
   } catch (e: any) {
     errorMsg.value = t('taskDetail.advanceFailed', { msg: e?.toString() ?? t('common.unknownError') })
@@ -631,11 +689,12 @@ async function load() {
 }
 
 function refresh() {
+  resetWorkflowUi()
   load()
 }
 
 // 路由参数变化(id 变化)时重新加载
-watch(taskId, () => { load() })
+watch(taskId, () => { resetWorkflowUi(); load() })
 
 // Problem4 ②:切换 task / 描述渲染完成 → 重置折叠态 + 重测高度。
 // renderedDesc 异步(Markdown 经 marked 渲染),内容变化后 nextTick 测真实 px。
@@ -974,6 +1033,33 @@ onBeforeUnmount(() => {
 .subtask-empty { padding: 16px 8px; }
 .subtask-add { margin-top: 8px; }
 
+/* P2-9 子任务提示条 */
+.subtask-hint {
+  font-size: 12px;
+  color: var(--df-text-secondary);
+  background: var(--df-accent-bg);
+  padding: 6px 12px;
+  border-radius: var(--df-radius-sm);
+  margin-bottom: var(--df-gap-grid);
+}
+
+/* P2-10 描述编辑(对齐 IdeaDetail .detail-desc-edit 模式) */
+.detail-desc-edit {
+  width: 100%;
+  min-height: 80px;
+  background: var(--df-bg);
+  color: var(--df-text);
+  border: 0.5px solid var(--df-border);
+  border-radius: var(--df-radius-sm);
+  padding: 8px 10px;
+  font-size: 13px;
+  line-height: 1.5;
+  resize: vertical;
+}
+.desc-edit-actions { display: flex; gap: 8px; margin-top: 8px; }
+.desc-empty { padding: 16px 8px; }
+.desc-edit-btn { margin-top: 8px; }
+
 /* Problem4 ⑤ 响应式:窄屏(<960px)两栏退单列,产出栏移到下方 */
 @media (max-width: 960px) {
   .detail-grid { grid-template-columns: 1fr; }