优化: 界面交互完善与设置体验

- 审批卡尊重滚动意图,等长切换回底,排队超时按钮修活
- 带图编辑提示不静默丢,删除目标回写,切换文案消歧
- 会话键盘可达+搜索态重命名,筛选计数口径对齐
- 子任务提示正名,看板加载态
- 主题跟随系统,表单脏态拦截,密钥显隐留空提示

src/components/AiChat.vue

@@ -413,9 +413,6 @@ const activeQueue = computed(() =>
   store.state.queue.filter(q => q.conversationId === store.state.activeConversationId),
 )
 
-/** 队首排队是否已超 30s(仅看当前活跃会话队列) */
-const queueTimedOut = computed(() => store.isQueueTimedOut(store.state.activeConversationId))
-
 // ── V7 排队时钟:响应式 tick 驱动排队项已等待时长 ──
 // 原 queueWaitSeconds 在 computed 内直接取 Date.now(),非响应式依赖:纯等待期(无 store 变更)
 // 永不重算,秒数冻结;且只覆盖队首。改为有排队时起 1s interval 推进 nowTick,展示函数读
@@ -423,6 +420,15 @@ const queueTimedOut = computed(() => store.isQueueTimedOut(store.state.activeCon
 const nowTick = ref(Date.now())
 let queueTickTimer: ReturnType<typeof setInterval> | null = null
 
+/** 队首排队是否已超 30s(仅看当前活跃会话队列)。
+ *  UX-P2-A1:isQueueTimedOut 内取 Date.now() 非响应式,纯等待期(无 store 变更)本 computed
+ *  永不重算,超时横幅/强制发送按钮延迟到下一次无关 store 变更才出现。显式读 nowTick
+ *  (V7 排队时钟,有排队时 1s interval 推进)建立每秒依赖,超时判定随 tick 每秒重算。 */
+const queueTimedOut = computed(() => {
+  void nowTick.value
+  return store.isQueueTimedOut(store.state.activeConversationId)
+})
+
 watch(
   () => activeQueue.value.length > 0,
   (waiting) => {

src/components/ToolCardList.vue

@@ -65,6 +65,11 @@ const emit = defineEmits<{
    * 调 store.sendMessage 触发 AI 装流式。仅 fetch_url 工具会发此事件。
    */
   'install-obscura': []
+  /**
+   * 审批卡到达但用户不在底部附近(上滚读历史中):不强拉滚动,
+   * 由父(MessageList)出「有新审批」轻提示,尊重用户阅读位置。
+   */
+  'pending-out-of-view': []
 }>()
 
 // 根元素 ref(scrollToFirstPending 查 DOM 用)
@@ -306,6 +311,28 @@ let _unlistenPending: UnlistenFn | null = null
 // 论证 workflow 回归中优:防卸载竞态——await listen 解析前组件已卸载(HMR/快速切会话)时,
 // onBeforeUnmount 跑到 _unlistenPending 仍 null 跳过 unlisten → 孤儿监听器泄漏。disposed 标志兜底。
 let _disposed = false
+
+/** 距滚动容器底部 <150px 视为"在底部附近",审批卡到达才跟随滚动(宽于 useMessageScroll 的 80px 在底判定) */
+const PENDING_FOLLOW_PX = 150
+/** 轻提示去重阈值:审批卡短时间连发多条时 5s 内只提示一次 */
+const PENDING_HINT_INTERVAL_MS = 5000
+// 模块级(跨实例共享):ai-pending-arrived 广播所有 ToolCardList 实例都会收到,去重须超组件实例
+let _lastPendingHintTs = 0
+
+/** 滚动容器(.ai-messages,MessageList 持有)是否在底部附近 */
+function isContainerNearBottom(el: Element): boolean {
+  const he = el as HTMLElement
+  return he.scrollHeight - he.scrollTop - he.clientHeight < PENDING_FOLLOW_PX
+}
+
+/** 用户不在底部时的轻提示:不拉滚,经父转发 toast(5s 去重防连发刷屏) */
+function notifyPendingOutOfView(): void {
+  const now = Date.now()
+  if (now - _lastPendingHintTs < PENDING_HINT_INTERVAL_MS) return
+  _lastPendingHintTs = now
+  emit('pending-out-of-view')
+}
+
 onMounted(async () => {
   const fn = await listen('ai-pending-arrived', () => {
     // BUG-260624-01 残留优化:本实例无 pending 卡时短路返回,避免大列表 N 个 ToolCardList 实例
@@ -313,7 +340,17 @@ onMounted(async () => {
     // 内 querySelector 返 null no-op 天然过滤(功能正确),此处显式 props 过滤把无 pending 实例挡在
     // 进入函数前。含 pending 的实例再走 nextTick + scrollToFirstPending(展开折叠组 + scroll)。
     if (!props.toolCalls.some(tc => tc.status === 'pending_approval')) return
-    nextTick(() => scrollToFirstPending())
+    nextTick(() => {
+      // UX 走查-对话域 B1:尊重用户滚动意图。nextTick 等审批卡渲染完再测距底距离:
+      // 在底部附近(含本就贴底)才跟随滚到审批卡;用户上滚读历史时不强拉,改轻提示。
+      // 容器找不到(极端:分离窗口 DOM 层级变化)按可滚处理,保留原展开+滚动兜底。
+      const container = rootEl.value?.closest('.ai-messages')
+      if (!container || isContainerNearBottom(container)) {
+        scrollToFirstPending()
+      } else {
+        notifyPendingOutOfView()
+      }
+    })
   })
   // 解析时若已卸载(HMR/极速 mount/unmount),立即 unlisten 刚拿到的句柄,防孤儿监听器。
   if (_disposed) { fn(); return }

src/components/ai/ChatInput.vue

@@ -894,6 +894,15 @@ async function sendExamplePrompt(i18nKey: string) {
 
 /** UX-09 进入编辑态:回填末条 user 内容到输入框,聚焦,光标置末 */
 function startEditFocus(msg: AiMessage): void {
+  // UX 走查-对话域 B3:带图消息禁止进入编辑态。editMessage IPC(ai_chat_edit)只回填/替换
+  // content 文本,不接受 parts——编辑重发后图片静默丢失(重载后图消失),无任何提示。
+  // 后端契约未扩前,入口挡住并提示,杜绝静默丢数据。父已先置 editingMsgId 再调本方法,
+  // 故 emit cancel-edit 让父复位编辑态,状态保持一致。
+  if (msg.parts?.some(p => p.type === 'image')) {
+    emit('cancel-edit')
+    emit('error', { msg: t('aiChat.editImageBlocked'), type: 'warning' })
+    return
+  }
   inputText.value = msg.content
   nextTick(() => {
     inputEl.value?.focus()

src/components/ai/ConversationSidebar.vue

@@ -28,6 +28,7 @@
           :placeholder="t('aiChat.searchPlaceholder')"
           :title="t('aiChat.searchShortcutHint')"
           type="text"
+          @keydown="onSearchKeydown"
         />
         <kbd class="ai-conv-search-kbd">{{ t('aiChat.searchShortcutHint') }}</kbd>
       </div>
@@ -44,10 +45,28 @@
               'ai-conv-item--archived': conv.archived,
               'ai-conv-item--pinned': conv.pinned,
             }"
+            tabindex="0"
             @click="onSelectSearchResult(conv.id)"
+            @keydown="onItemKeydown($event, conv.id)"
           >
             <div class="ai-conv-item-main">
-              <span class="ai-conv-item-title" :title="conv.title || ''">
+              <!-- UX走查 P3-1: 搜索态此前无重命名入口(无 startRename 分支),与分组视图降级不一致;
+                   双击入口对齐分组视图,菜单入口供键盘用户(P2-6) -->
+              <input
+                v-if="editingConvId === conv.id"
+                :ref="setEditEl"
+                v-model="editText"
+                class="ai-conv-item-edit"
+                @keydown="onRenameKeydown($event, conv.id)"
+                @blur="commitRename(conv.id)"
+                @click.stop
+              />
+              <span
+                v-else
+                class="ai-conv-item-title"
+                :title="conv.title || t('aiChat.doubleClickToRename')"
+                @dblclick.stop="startRename(conv)"
+              >
                 {{ conv.title || t('aiChat.newConversation') }}
                 <span v-if="store.isGenerating(conv.id)" class="ai-conv-gen-dot" :title="t('aiChat.generating')"></span>
                 <!-- V1: 待审批徽标(橙点计数,复用既有 aiChat.pendingApprovalCount 文案) -->
@@ -61,6 +80,10 @@
                   <svg width="14" height="14" viewBox="0 0 24 24" fill="currentColor"><circle cx="5" cy="12" r="2"/><circle cx="12" cy="12" r="2"/><circle cx="19" cy="12" r="2"/></svg>
                 </button>
                 <div v-if="actionsOpenId === conv.id" class="ai-conv-actions-menu">
+                  <button class="ai-conv-actions-opt" @click.stop="startRename(conv); closeActionsMenu()">
+                    <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M17 3a2.828 2.828 0 114 4L7.5 20.5 2 22l1.5-5.5L17 3z"/></svg>
+                    {{ t('aiChat.renameConversation') }}
+                  </button>
                   <button class="ai-conv-actions-opt" @click.stop="store.setPinnedConversation(conv.id, !conv.pinned); closeActionsMenu()">
                     <svg width="12" height="12" viewBox="0 0 24 24" :fill="conv.pinned ? 'currentColor' : 'none'" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M12 17v5"/><path d="M9 10.76a2 2 0 01-1.11 1.79l-1.78.9A2 2 0 005 15.24V16a1 1 0 001 1h12a1 1 0 001-1v-.76a2 2 0 00-1.11-1.79l-1.78-.9A2 2 0 0115 10.76V7a1 1 0 011-1 2 2 0 002-2V3H6v1a2 2 0 002 2 1 1 0 011 1z"/></svg>
                     {{ conv.pinned ? t('aiChat.unpinConversation') : t('aiChat.pinConversation') }}
@@ -106,7 +129,9 @@
               :ref="(el) => setItemEl(conv.id, el)"
               class="ai-conv-item"
               :class="{ 'ai-conv-item--active': conv.id === store.state.activeConversationId, 'ai-conv-item--switching': conv.id === pendingSwitchId, 'ai-conv-item--pinned': conv.pinned }"
+              tabindex="0"
               @click="beginSwitch(conv.id)"
+              @keydown="onItemKeydown($event, conv.id)"
             >
               <div class="ai-conv-item-main">
                 <input
@@ -145,6 +170,10 @@
                     <svg width="14" height="14" viewBox="0 0 24 24" fill="currentColor"><circle cx="5" cy="12" r="2"/><circle cx="12" cy="12" r="2"/><circle cx="19" cy="12" r="2"/></svg>
                   </button>
                   <div v-if="actionsOpenId === conv.id" class="ai-conv-actions-menu">
+                    <button class="ai-conv-actions-opt" @click.stop="startRename(conv); closeActionsMenu()">
+                      <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M17 3a2.828 2.828 0 114 4L7.5 20.5 2 22l1.5-5.5L17 3z"/></svg>
+                      {{ t('aiChat.renameConversation') }}
+                    </button>
                     <button class="ai-conv-actions-opt" @click.stop="store.setPinnedConversation(conv.id, !conv.pinned); closeActionsMenu()">
                       <svg width="12" height="12" viewBox="0 0 24 24" :fill="conv.pinned ? 'currentColor' : 'none'" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M12 17v5"/><path d="M9 10.76a2 2 0 01-1.11 1.79l-1.78.9A2 2 0 005 15.24V16a1 1 0 001 1h12a1 1 0 001-1v-.76a2 2 0 00-1.11-1.79l-1.78-.9A2 2 0 0115 10.76V7a1 1 0 011-1 2 2 0 002-2V3H6v1a2 2 0 002 2 1 1 0 011 1z"/></svg>
                       {{ conv.pinned ? t('aiChat.unpinConversation') : t('aiChat.pinConversation') }}
@@ -176,7 +205,9 @@
               :ref="(el) => setItemEl(conv.id, el)"
               class="ai-conv-item ai-conv-item--archived"
               :class="{ 'ai-conv-item--active': conv.id === store.state.activeConversationId, 'ai-conv-item--switching': conv.id === pendingSwitchId, 'ai-conv-item--pinned': conv.pinned }"
+              tabindex="0"
               @click="beginSwitch(conv.id)"
+              @keydown="onItemKeydown($event, conv.id)"
             >
               <div class="ai-conv-item-main">
                 <span class="ai-conv-item-title" :title="conv.title || ''">
@@ -216,6 +247,11 @@
           </div>
         </template>
       </div>
+      <!-- UX走查 P2-7: 会话操作(rename/archive/pin)失败的就近反馈,定位侧栏顶部而非推进聊天流
+           (操作发起与视线焦点都在侧栏;且消息区被清空/切换后气泡可能不可见) -->
+      <Transition name="conv-toast">
+        <div v-if="convToast.visible" class="ai-conv-toast">{{ convToast.msg }}</div>
+      </Transition>
     </div>
   </transition>
 </template>
@@ -243,6 +279,9 @@ import { useI18n } from 'vue-i18n'
 import { useAiStore } from '../../stores/ai'
 // V1 只读消费:跨会话待审批真相源(state.pendingApprovals 仅是活跃会话投影,后台会话挂起不进投影)
 import { convPendingApprovals } from '../../composables/ai/aiShared'
+// UX走查 P2-7 只读订阅:rename/archive/pin 失败通知由 useAiConversations 发布,本组件弹就近 toast
+import { convOpFailNotice } from '../../composables/ai/useAiConversations'
+import { useToast } from '../../composables/useToast'
 import { formatRelative } from '../../utils/time'
 import type { AiConversationSummary } from '../../api/types'
 
@@ -324,6 +363,27 @@ function onRenameKeydown(e: KeyboardEvent, convId: string) {
   }
 }
 
+// UX走查 P3-1: 搜索框 Esc 清空(对齐 Tasks 搜索框行为)。同款 IME 守卫:组词中按 Esc 是
+// 取消组词,keyup 阶段 isComposing 已复位拦不住,故挂 keydown
+function onSearchKeydown(e: KeyboardEvent) {
+  if (e.isComposing || e.keyCode === 229) return
+  if (e.key === 'Escape') {
+    e.preventDefault()
+    store.state.searchQuery = ''
+  }
+}
+
+// UX走查 P2-6: 会话项键盘可达(tabindex=0)。Enter/Space 等价点击选中;仅焦点落在本项 div
+// 自身时处理——焦点在内部按钮/重命名输入框时 target≠currentTarget,避免与控件自身语义双触发
+function onItemKeydown(e: KeyboardEvent, convId: string) {
+  if (e.isComposing || e.keyCode === 229) return
+  if (e.target !== e.currentTarget) return
+  if (e.key === 'Enter' || e.key === ' ') {
+    e.preventDefault()
+    beginSwitch(convId)
+  }
+}
+
 // ── 会话项「更多」操作菜单(置顶/归档/删除)──
 const actionsOpenId = ref<string | null>(null)
 
@@ -343,6 +403,20 @@ function onActionsOutsideClick(e: MouseEvent) {
   actionsOpenId.value = null
 }
 
+// UX走查 P2-6: 操作菜单原仅外部点击可关,键盘用户开菜单后无 Esc 逃逸;IME 守卫防组词取消误关
+function onActionsEscClose(e: KeyboardEvent) {
+  if (!actionsOpenId.value) return
+  if (e.isComposing || e.keyCode === 229) return
+  if (e.key === 'Escape') actionsOpenId.value = null
+}
+
+// UX走查 P2-7: rename/archive/pin 失败反馈改侧栏就近 toast(原以错误气泡推进聊天流,视线错位)。
+// 每次失败发布新对象,watch 即重触发;useToast 自动重置计时与卸载清理
+const { toast: convToast, showToast: showConvToast } = useToast()
+watch(convOpFailNotice, (n) => {
+  if (n) showConvToast(t(`ai.${n.key}`, n.params ?? {}), 'error')
+})
+
 // ── 会话切换过渡态(UX走查 2026-10-03 P1):点击即预高亮目标项(乐观),IPC 返回后随
 // activeConversationId 落定接管高亮;失败/过期时 finally 清 pending,高亮自动回滚到原活跃项。
 // 治:大历史会话 IPC 数百 ms 期间点击项不高亮、原高亮不动、无任何进行时反馈,快速连点像失灵。
@@ -511,12 +585,15 @@ function onResizeStart(e: MouseEvent) {
 onMounted(() => {
   // 点击外部关闭更多操作菜单
   document.addEventListener('click', onActionsOutsideClick)
+  // 操作菜单 Esc 关闭(P2-6,与外部点击同生命周期)
+  document.addEventListener('keydown', onActionsEscClose)
   // V1:后台会话待审批变化兜底轮询(见 pendingCountByConv 注)
   pendingPollTimer = setInterval(() => { pendingTick.value++ }, 2500)
 })
 
 onBeforeUnmount(() => {
   document.removeEventListener('click', onActionsOutsideClick)
+  document.removeEventListener('keydown', onActionsEscClose)
   // 释放待审批徽标轮询计时器
   if (pendingPollTimer) { clearInterval(pendingPollTimer); pendingPollTimer = null }
   // 拖拽中途卸载兜底摘临时 document listener(原 AiChat 同段迁移)
@@ -774,6 +851,11 @@ body.ai-sidebar-resizing * {
 .ai-conv-item:hover .ai-conv-item-actions {
   display: flex;
 }
+/* UX走查 P2-6: 键盘 Tab 进会话项(项自身 tabindex=0,或焦点在项内按钮/输入框)时同样浮出
+   操作按钮——原仅 :hover 渲染,键盘用户永远够不到「...」菜单触发点 */
+.ai-conv-item:focus-within .ai-conv-item-actions {
+  display: flex;
+}
 /* 菜单展开时强制 actions 可见(鼠标移到菜单上 item 不再 hover,防菜单消失) */
 .ai-conv-item:has(.ai-conv-actions-menu) .ai-conv-item-actions {
   display: flex;
@@ -853,6 +935,27 @@ body.ai-sidebar-resizing * {
   color: var(--df-text-dim);
 }
 
+/* UX走查 P2-7: 会话操作失败就近 toast(仅 error 一型)。视觉对齐 AiChat .ai-toast,
+   但 AiChat 版是 scoped 样式渗透不进来,故自持一份;侧栏窄,max-width 收 85% */
+.ai-conv-toast {
+  position: absolute;
+  top: 16px;
+  left: 50%;
+  transform: translateX(-50%);
+  padding: 8px 14px;
+  border-radius: var(--df-radius);
+  font-size: 12px;
+  z-index: 30; /* 高于操作菜单(20),菜单展开时失败反馈不被盖 */
+  max-width: 85%;
+  overflow-wrap: anywhere;
+  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
+  background: var(--df-danger-bg);
+  color: var(--df-danger);
+  border: 0.5px solid var(--df-danger);
+}
+.conv-toast-enter-active, .conv-toast-leave-active { transition: opacity 0.2s, transform 0.2s; }
+.conv-toast-enter-from, .conv-toast-leave-to { opacity: 0; transform: translate(-50%, -8px); }
+
 /* 侧边栏滑入动画 */
 .sidebar-slide-enter-active { transition: width 0.2s var(--df-ease), opacity 0.15s; }
 .sidebar-slide-leave-active { transition: width 0.15s var(--df-ease), opacity 0.1s; }

src/components/ai/MessageList.vue

@@ -326,6 +326,12 @@ function scrollToFirstPending(): void {
   }
 }
 
+/** 审批卡到达但用户不在底部(上滚读历史中):不强拉滚动,出「有新审批」轻提示。
+ *  ToolCardList 侧已做 5s 去重,此处仅转发父 toast(单一出口)。 */
+function onPendingOutOfView(): void {
+  emit('toast', { msg: t('aiChat.newApprovalPending'), type: 'info' })
+}
+
 /**
  * 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,
@@ -1108,6 +1114,10 @@ watch(() => store.state.activeConversationId, () => {
   }
   // 切会话同步清流式块级 memo 缓存(_blockCache),防旧会话已缓存块被新会话命中。
   resetStreamCache()
+  // UX 走查-对话域 B2:切会话显式回底。仅 watch messages.length 时,两个等长消息数的会话
+  // 互切不触发任何滚动,scrollTop 残留旧会话位置(可能停在中段)。setFollowing(true)已声明
+  // 跟随意图,此处补上实际滚动;nextTick 等新会话消息渲染出真实 scrollHeight 再滚。
+  nextTick(() => scrollToBottom())
 })
 
 // 流式 rAF 清理:组件卸载时若仍有 pending rAF(streaming 中途切走/关窗),取消防泄漏。
@@ -1205,6 +1215,7 @@ defineExpose({
                 @approve="({ id, approved, decision }) => store.approveToolCall(id, approved, decision)"
                 @batch-approve="(decision) => store.batchApprove(decision)"
                 @install-obscura="onInstallObscura"
+                @pending-out-of-view="onPendingOutOfView"
               />
             </div>
           </div>
@@ -1459,6 +1470,7 @@ defineExpose({
             @approve="({ id, approved, decision }) => store.approveToolCall(id, approved, decision)"
             @batch-approve="(decision) => store.batchApprove(decision)"
             @install-obscura="onInstallObscura"
+            @pending-out-of-view="onPendingOutOfView"
           />
         </div>
       </div>

src/components/ai/TopBar.vue

@@ -26,7 +26,7 @@
         class="ai-provider-bar"
         :class="{ 'ai-provider-bar--switchable': store.state.providers.length > 1 }"
         v-if="store.state.providers.length > 0"
-        :title="store.state.providers.length > 1 ? $t('aiChat.clickToSwitchProvider') : ''"
+        :title="store.state.providers.length > 1 ? $t('aiChat.providerSwitchSetsDefault') : ''"
         @click="cycleProvider"
       >
         <span class="provider-dot" :class="'provider-dot--' + providerStatus"></span>
@@ -536,6 +536,11 @@ async function removeGoal(i: number) {
   if (next.length === 0) goalsExpanded.value = false
   // API 接受 string[] 或 GoalEntry[]
   await aiApi.updateConversationGoals(convId, next.map(g => g.text))
+  // UX 走查-对话域 B4:删除后同步回写 store 的 conv.pinned_goals(对齐 AiCompleted 回写
+  // useAiLifecycleEvents:126-129 的结构)。不回写则 loadGoals(:519)从 store 重读旧列表,
+  // 已删目标在下次 messages.length watch 触发刷新时"复活"。
+  const conv = store.state.conversations.find(c => c.id === convId)
+  if (conv) conv.pinned_goals = next
 }
 
 // 循环切换 Provider(provider bar 点击)

src/components/settings/AppearanceSection.vue

@@ -42,7 +42,7 @@
 </template>
 
 <script setup lang="ts">
-import { reactive, watch, onMounted, useTemplateRef } from 'vue'
+import { reactive, watch, onMounted, onUnmounted, useTemplateRef } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { useAppSettingsStore } from '@/stores/appSettings'
 import SettingRow from './SettingRow.vue'
@@ -77,6 +77,14 @@ function applyTheme(theme: string) {
   }
 }
 
+// 走查 P2-4:原实现只在挂载/改档时读一次 matchMedia.matches,OS 深浅色切换后应用停在旧色,
+// 需重启或重选档位才跟随。挂 change 监听实时重算;非 system 档是用户手动定色,不应被 OS
+// 切色打断,故回调内先判档。组件卸载必须移除监听(本 Section 随分类切换反复挂卸,不清理会叠监听器)。
+const systemDarkQuery = window.matchMedia('(prefers-color-scheme: dark)')
+function onSystemThemeChange() {
+  if (settings.theme === 'system') applyTheme('system')
+}
+
 // 即时生效反馈:SettingRow refs,key 映射对应 row
 const rowTheme = useTemplateRef<InstanceType<typeof SettingRow>>('rowTheme')
 const rowLanguage = useTemplateRef<InstanceType<typeof SettingRow>>('rowLanguage')
@@ -113,6 +121,11 @@ watch(() => settings.language, (val) => {
 
 onMounted(() => {
   applyTheme(settings.theme)
+  systemDarkQuery.addEventListener('change', onSystemThemeChange)
+})
+
+onUnmounted(() => {
+  systemDarkQuery.removeEventListener('change', onSystemThemeChange)
 })
 </script>
 

src/components/settings/ProviderPanel.vue

@@ -92,7 +92,15 @@
       </div>
       <div class="form-field">
         <label class="form-label">{{ $t('settings.labelApiKey') }}</label>
-        <input v-model="providerForm.apiKey" class="setting-input" type="password" :placeholder="$t('settings.phApiKey')" />
+        <!-- 走查 P3-9:type 恒 password 无法核对已粘贴密钥,加显隐切换 -->
+        <input v-model="providerForm.apiKey" class="setting-input" :type="showApiKey ? 'text' : 'password'" :placeholder="$t('settings.phApiKey')" />
+        <button type="button" class="btn-link" :title="$t(showApiKey ? 'settings.apiKeyHide' : 'settings.apiKeyShow')"
+                @click="showApiKey = !showApiKey">
+          {{ $t(showApiKey ? 'settings.apiKeyHide' : 'settings.apiKeyShow') }}
+        </button>
+        <!-- 走查 P3-9:编辑态留空=沿用已存密钥(后端 FR-S1),此前表单零说明,用户误以为必须重输。
+             仅编辑态显(新建态密钥必填,不存在"留空"语义)。 -->
+        <div v-if="providerForm.editId" class="form-field-hint">{{ $t('settings.apiKeyKeepHint') }}</div>
       </div>
       <div class="form-field">
         <label class="form-label">{{ $t('settings.labelDefaultModel') }}</label>
@@ -217,6 +225,9 @@ const props = defineProps<{
 
 const aiProviders = ref<AiProviderConfig[]>([])
 
+// 密钥显隐切换(走查 P3-9):默认隐藏;重开表单时复位,防上一家 provider 的显钥状态延续
+const showApiKey = ref(false)
+
 function errMsg(e: unknown): string { return e instanceof Error ? e.message : String(e) }
 
 const providerForm = reactive({
@@ -422,6 +433,7 @@ function openProviderForm(p?: AiProviderConfig) {
   }
   providerForm.fetching = false
   providerForm.saveError = null  // 重开表单清旧错误横幅
+  showApiKey.value = false  // 密钥默认隐藏,不延续上次表单的显钥状态(防窥)
   providerForm.visible = true
   // L19/M32: 记初始快照(在 visible=true、字段回填完成后),isFormDirty 据此比对。
   providerForm.savedSnapshot = formBusinessSnapshot()

src/components/task/TaskDrawer.vue

@@ -323,7 +323,8 @@ async function confirmSubtask() {
     subtaskTitle.value = ''
     subtaskDesc.value = ''
     await loadChildren()
-    showToast(t('tasks.batch.advanceResult', { n: 1 }), 'success')
+    // UX走查 P2-3:新建子任务成功此前误复用批量推进文案「已推进 N 个任务」,语义误导
+    showToast(t('taskDetail.subtaskCreated'), 'success')
   } catch (e: any) {
     showToast(e?.toString() ?? t('common.unknownError'), 'error')
   } finally {