diff --git a/src/components/ai/MessageList.vue b/src/components/ai/MessageList.vue
index cbbd74e..3f78cd2 100644
--- a/src/components/ai/MessageList.vue
+++ b/src/components/ai/MessageList.vue
@@ -309,21 +309,25 @@ function scrollToFirstPending(): void {
   }
 }
 
+/**
+ * 移除 deep:true,改在 watch source 中计算指纹(消息数 + toolCalls 的 id/status),
+ * 避免 deep 每帧全量深遍历长会话数组引起掉帧。流式 delta 只改 content 不影响指纹,
+ * 不触发无意义的收起重算。length 变化(新消息/截断)和 toolCall 状态翻转(新卡/完成/拒绝)
+ * 均能正确触发——与 body 的快照收缩逻辑等价,无需 deep 兜底。
+ */
 let lastMsgSnapshot = ''
 watch(
-  () => store.state.messages,
-  (msgs) => {
-    const snap = JSON.stringify({
-      n: msgs.length,
-      tc: msgs.map(m => (m.toolCalls || []).map(t => ({ id: t.id, s: t.status }))),
-    })
+  () => JSON.stringify({
+    n: store.state.messages.length,
+    tc: store.state.messages.map(m => (m.toolCalls || []).map(t => ({ id: t.id, s: t.status }))),
+  }),
+  (snap) => {
     if (snap === lastMsgSnapshot) return
     const isFirst = lastMsgSnapshot === ''
     lastMsgSnapshot = snap
-    if (isFirst) return // 首次加载/切换对话不触发收起
-    collapseAllToolLists(buildActiveToolIds(msgs))
+    if (isFirst) return
+    collapseAllToolLists(buildActiveToolIds(store.state.messages))
   },
-  { deep: true },
 )
 
 // UX-260616-03: AiAgentRound 新轮次到达时收起上一轮工具卡(round 递增)。
diff --git a/src/components/task/TaskOutputCard.vue b/src/components/task/TaskOutputCard.vue
index 77c1ed0..b786d1f 100644
--- a/src/components/task/TaskOutputCard.vue
+++ b/src/components/task/TaskOutputCard.vue
@@ -4,7 +4,6 @@
   <!-- 从 TaskDetail.vue 抽出(L131-144 模板 + L214-262 脚本 + L643-670 样式),零行为变更。 -->
   <!-- 自包含:JSON 解析 / Markdown 渲染(复用 useMarkdown 模块单例)/ review verdict 计算 / i18n 全部内聚。 -->
   <div v-if="parsedOutput" class="info-item info-block output-block">
-    <span class="label">{{ $t('taskDetail.output') }}</span>
     <div class="value output-body">
       <!-- AI 自审结论卡(若有 review 子字段) -->
       <div v-if="parsedOutput.review" class="review-card" :class="reviewVerdictClass">
diff --git a/src/composables/ai/useAiSend.ts b/src/composables/ai/useAiSend.ts
index 7530f62..e8ae048 100644
--- a/src/composables/ai/useAiSend.ts
+++ b/src/composables/ai/useAiSend.ts
@@ -267,14 +267,21 @@ async function editMessage(newMessage: string) {
  * 卡死),也无任何用户反馈。现显式 catch:复位 streaming + 推错误气泡(后台会话不推,避免污染
  * 当前视图)+ 回填失败消息到该会话队首并停 drain(不静默丢用户输入,保留剩余队列供手动重试/
  * 编辑/取消)。成功路径不受影响——doSend 成功后端会再 emit AiCompleted 续 drain 链路。
+ *
+ * 并发互斥 — 每个会话维护 _draining 标志,防止 AiCompleted 并发触发两次 drainQueue
+ * 导致 splice 两条消息同时发送,顺序错乱。已在 drain 中则跳过,等待下一次 AiCompleted 续发。
  */
+let _drainingConvs = new Set<string>()
 export function drainQueue(convId?: string | null) {
   if (state.queue.length === 0) return
   // 找队首属于目标会话的消息;若穿越(非目标会话的项堵在队首)则跳过整条队列
   const targetId = convId ?? state.activeConversationId
   if (!targetId) return
+  // 并发互斥:该会话已在 drain 中则跳过,由下一轮 AiCompleted 续发
+  if (_drainingConvs.has(targetId)) return
   const idx = state.queue.findIndex(q => q.conversationId === targetId)
   if (idx === -1) return
+  _drainingConvs.add(targetId)
   const next = state.queue.splice(idx, 1)[0]!
   void (async () => {
     try {
@@ -301,6 +308,8 @@ export function drainQueue(convId?: string | null) {
         } as AiMessage)
       }
       console.error('[AI] drainQueue 续发失败:', e)
+    } finally {
+      _drainingConvs.delete(targetId)
     }
   })()
 }
diff --git a/src/styles/components.css b/src/styles/components.css
index 73584a9..8201f1c 100644
--- a/src/styles/components.css
+++ b/src/styles/components.css
@@ -41,8 +41,8 @@
    原 Ideas.vue / IdeaDetail.vue <style scoped> 两处逐字一致(灵感专属 5 态色系,
    与 Tasks/AuditLog 的 status-tag 语义不同,独立提取避免混淆)。 */
 .status-tag {
-  font-size: 11px; font-weight: 500; padding: 2px 8px;
-  border-radius: var(--df-radius-xs);
+  font-size: 11px; font-weight: 500; padding: 4px 10px;
+  border-radius: var(--df-radius-sm);
   flex-shrink: 0; white-space: nowrap;
 }
 .status-draft { background: rgba(90,99,128,0.2); color: var(--df-text-dim); }
diff --git a/src/views/ProjectDetail.vue b/src/views/ProjectDetail.vue
index 3fb88c5..89efd07 100644
--- a/src/views/ProjectDetail.vue
+++ b/src/views/ProjectDetail.vue
@@ -1508,8 +1508,7 @@ onUnmounted(() => {
   color: var(--df-accent);
   border-color: var(--df-accent);
 }
-/* 已暂缓状态 badge */
-.status-deferred { background: rgba(255,193,7,0.15); color: #f0a030; }
+/* 状态色类已全局化至 components.css，scoped 不重复定义 */
 
 /* A2[PD-P1-3]:工作流日志「全局事件」标注(次要小字标签) */
 .global-event-tag {
@@ -1561,11 +1560,9 @@ onUnmounted(() => {
 .task-card:last-child { border-bottom: none; }
 .task-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
 .task-title { font-size: 14px; font-weight: 500; color: var(--df-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
-.task-status { font-size: 11px; padding: 2px 8px; border-radius: var(--df-radius-xs); }
-.status-done { background: rgba(100,255,218,0.15); color: var(--df-success); }
+.task-status { font-size: 11px; padding: 4px 10px; border-radius: var(--df-radius-sm); }
+/* 状态色类已全局化至 components.css;此处仅保留本视图特有的进度覆盖 */
 .status-progress { background: var(--df-accent-soft); color: var(--df-accent); }
-.status-review { background: rgba(255,217,61,0.15); color: var(--df-warning); }
-.status-todo { background: rgba(90,99,128,0.2); color: var(--df-text-dim); }
 
 .task-branch {
   display: flex;
diff --git a/src/views/TaskDetail.vue b/src/views/TaskDetail.vue
index 8102473..494653a 100644
--- a/src/views/TaskDetail.vue
+++ b/src/views/TaskDetail.vue
@@ -865,22 +865,8 @@ onBeforeUnmount(() => {
   white-space: nowrap;
 }
 
-/* ===== 状态/优先级标签 ===== */
-.status-tag {
-  font-size: 11px; font-weight: 500;
-  padding: 4px 10px;
-  border-radius: var(--df-radius-sm);
-  white-space: nowrap;
-}
-.status-todo { background: rgba(90,99,128,0.2); color: var(--df-text-dim); }
-.status-progress { background: rgba(100,181,246,0.2); color: var(--df-info); }
-.status-review { background: rgba(255,217,61,0.2); color: var(--df-warning); }
-.status-done { background: rgba(100,255,218,0.15); color: var(--df-success); }
-.status-abandoned { background: rgba(255,107,107,0.2); color: var(--df-danger); }
-/* D-260616-01:7 态新增 — testing(橙警告,近 review 区分)/blocked(红 danger,与 cancelled 区分用实心边框)。配色与 Tasks.vue 一致保持跨视图统一 */
-.status-testing { background: rgba(255,152,0,0.2); color: #ff9800; }
-.status-blocked { background: rgba(255,107,107,0.12); color: var(--df-danger); border: 0.5px solid var(--df-danger); }
-.status-deferred { background: rgba(255,193,7,0.15); color: #f0a030; }
+/* 状态/优先级标签 — 尺寸/圆角由全局 components.css .status-tag 统一，scoped 不重复定义 */
+/* 状态色类已全局化至 components.css(scoped 删除,消除漂移) */
 
 .priority-badge {
   font-size: 10px; font-weight: 500;
diff --git a/src/views/Tasks.vue b/src/views/Tasks.vue
index 86bac02..20fa962 100644
--- a/src/views/Tasks.vue
+++ b/src/views/Tasks.vue
@@ -825,7 +825,8 @@ function openCreateModal(parent?: TaskRecord) {
 }
 
 async function confirmCreate() {
-  if (!newTaskTitle.value.trim() || !newTaskProjectId.value) return
+  if (!newTaskProjectId.value) { alert('请选择项目'); return }
+  if (!newTaskTitle.value.trim()) return
   submitting.value = true
   try {
     const r = await store.createTask({
@@ -866,6 +867,10 @@ watch(sortBy, () => {
 
 // Ctrl+N 新建 / Ctrl+F 搜索(桌面快捷键)
 function onKeydown(e: KeyboardEvent) {
+  if (e.key === 'Escape' && showCreateModal.value) {
+    showCreateModal.value = false
+    return
+  }
   if ((e.ctrlKey || e.metaKey) && e.key === 'n') {
     e.preventDefault()
     openCreateModal()
@@ -1314,12 +1319,11 @@ onUnmounted(() => {
 }
 /* 迷你进度条(细条渐变填充,宽度=完成子任务百分比) */
 .mini-progress {
-  width: 72px;
+  flex: 1;
   height: 4px;
   background: var(--df-border);
   border-radius: var(--df-radius-xs);
   overflow: hidden;
-  flex-shrink: 0;
 }
 .mini-progress-fill {
   height: 100%;