diff --git a/mobile-uni/src/components/chat/AskSourceHeader.vue b/mobile-uni/src/components/chat/AskSourceHeader.vue
index 167c9cf4..e2a90e07 100644
--- a/mobile-uni/src/components/chat/AskSourceHeader.vue
+++ b/mobile-uni/src/components/chat/AskSourceHeader.vue
@@ -1,28 +1,39 @@
 <template>
-  <view class="ask-source-head">
-    <view class="head-row">
-      <text class="head-title">问 · 数字师傅</text>
-      <view class="head-actions">
-        <text class="head-context">{{ context }}</text>
-        <button class="new-chat-button" :disabled="loading" @click="emit('newConversation')">新对话</button>
+  <view class="ask-source-head glass-header">
+    <view class="compact-header-row">
+      <!-- Left: Title & Status Badge -->
+      <view class="brand-box">
+        <text class="brand-name">数字师傅</text>
+        <view class="status-pill">
+          <view class="green-dot" />
+          <text class="status-text">AI在线</text>
+        </view>
       </view>
-    </view>
-    <view class="source-switch" aria-label="问答来源">
-      <button
-        class="source-option"
-        :class="{ active: active === 'assistant' }"
-        :aria-current="active === 'assistant' ? 'page' : undefined"
-        @click="selectAssistant"
-      >
-        工作助手
-      </button>
-      <button
-        class="source-option"
-        :class="{ active: active === 'web' }"
-        :aria-current="active === 'web' ? 'page' : undefined"
-        @click="selectWeb"
-      >
-        查全网
+
+      <!-- Center: Switcher Capsule -->
+      <view class="source-switch" aria-label="问答来源">
+        <button
+          class="source-option"
+          :class="{ active: active === 'assistant' }"
+          :aria-current="active === 'assistant' ? 'page' : undefined"
+          @click="selectAssistant"
+        >
+          工作助手
+        </button>
+        <button
+          class="source-option"
+          :class="{ active: active === 'web' }"
+          :aria-current="active === 'web' ? 'page' : undefined"
+          @click="selectWeb"
+        >
+          查全网
+        </button>
+      </view>
+
+      <!-- Right: Compact New Chat Button -->
+      <button class="new-chat-btn" :disabled="loading" title="开启新对话" @click="emit('newConversation')">
+        <uni-icons type="plusempty" size="13" color="#e60012" />
+        <text class="new-chat-text">新对话</text>
       </button>
     </view>
   </view>
@@ -31,9 +42,10 @@
 <script setup lang="ts">
 const props = withDefaults(defineProps<{
   active: 'assistant' | 'web';
-  context: string;
+  context?: string;
   loading?: boolean;
 }>(), {
+  context: '',
   loading: false
 });
 
@@ -55,102 +67,111 @@ const selectWeb = () => {
 <style scoped>
 .ask-source-head {
   flex-shrink: 0;
-  padding: 8px 12px 6px;
-  border-bottom: 1px solid #ebedf0;
+  padding: 6px 12px;
   background: #ffffff;
+  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
 }
 
-.head-row {
+.compact-header-row {
   display: flex;
-  min-height: 44px;
+  height: 40px;
   align-items: center;
   justify-content: space-between;
   gap: 8px;
-  margin-bottom: 6px;
 }
 
-.head-title {
-  flex-shrink: 0;
-  color: #18202b;
+.brand-box {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  flex: none;
+}
+
+.brand-name {
+  color: #1a1a1a;
   font-size: 16px;
   font-weight: 800;
 }
 
-.head-actions {
+.status-pill {
   display: flex;
-  min-width: 0;
   align-items: center;
-  justify-content: flex-end;
-  gap: 6px;
-}
-
-.head-context {
-  min-width: 0;
-  overflow: hidden;
-  color: #7b8492;
-  font-size: 12px;
-  text-overflow: ellipsis;
-  white-space: nowrap;
-}
-
-.new-chat-button {
-  flex-shrink: 0;
-  display: flex;
-  min-height: 44px;
-  align-items: center;
-  justify-content: center;
-  margin: 0;
-  padding: 0 14px;
-  border: 1px solid var(--employee-primary, #e60012);
+  gap: 4px;
+  padding: 2px 6px;
   border-radius: 999px;
-  background: var(--employee-primary, #e60012);
-  color: #ffffff;
-  font-size: 12px;
-  font-weight: 600;
-  line-height: 1;
+  background: #edf7f0;
 }
 
-.new-chat-button[disabled] {
-  opacity: 0.6;
+.green-dot {
+  width: 6px;
+  height: 6px;
+  border-radius: 50%;
+  background: #10b981;
+  box-shadow: 0 0 6px rgba(16, 185, 129, 0.6);
 }
 
-.new-chat-button::after,
-.source-option::after {
-  border: none;
+.status-text {
+  font-size: 10px;
+  font-weight: 700;
+  color: #10b981;
 }
 
 .source-switch {
   display: flex;
-  gap: 0;
-  margin: 0;
+  align-items: center;
   padding: 3px;
   border-radius: 999px;
-  background: #f2f3f5;
+  background: #f1f3f7;
+  flex: none;
 }
 
 .source-option {
   display: flex;
-  flex: 1;
-  box-sizing: border-box;
-  height: 44px;
-  min-height: 44px;
   align-items: center;
   justify-content: center;
-  margin: 0;
-  padding: 0;
+  height: 30px;
+  padding: 0 12px;
   border: none;
   border-radius: 999px;
   background: transparent;
-  color: #5a6270;
-  font-size: 13px;
-  font-weight: 500;
-  line-height: 1.2;
+  color: #64748b;
+  font-size: 12px;
+  font-weight: 700;
+  white-space: nowrap;
+  transition: all 0.2s ease;
 }
 
 .source-option.active {
   background: #ffffff;
-  color: #c8001a;
-  font-weight: 700;
-  box-shadow: 0 1px 4px rgba(20, 24, 31, 0.08);
+  color: #e60012;
+  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
+}
+
+.source-option::after,
+.new-chat-btn::after {
+  border: none;
+}
+
+.new-chat-btn {
+  display: flex;
+  align-items: center;
+  gap: 3px;
+  height: 30px;
+  padding: 0 10px;
+  border: 1px solid rgba(230, 0, 18, 0.2);
+  border-radius: 999px;
+  background: #fff5f5;
+  flex: none;
+  margin: 0;
+}
+
+.new-chat-btn:active {
+  transform: scale(0.96);
+}
+
+.new-chat-text {
+  font-size: 12px;
+  font-weight: 800;
+  color: #e60012;
 }
 </style>
diff --git a/mobile-uni/src/pages/user/sop/index.vue b/mobile-uni/src/pages/user/sop/index.vue
index 060a3cc5..047afffd 100644
--- a/mobile-uni/src/pages/user/sop/index.vue
+++ b/mobile-uni/src/pages/user/sop/index.vue
@@ -3,29 +3,44 @@
     <AskSourceHeader
       active="assistant"
       :context="headerContext"
-      :loading="loading || voiceTranscribing"
+      :loading="loading || voiceTranscribing || broadcastContextLoading"
       @select-web="openWebAi"
       @new-conversation="startNewConversation"
     />
 
-    <view v-if="loggedIn" class="project-context-bar">
+    <view v-if="broadcastContextLoading" class="broadcast-context-loading" role="status" aria-live="polite">
+      正在确认消息咨询…
+    </view>
+    <view v-else-if="broadcastContext" class="broadcast-context-bar" role="status" aria-live="polite">
+      <view class="broadcast-context-copy">
+        <text class="broadcast-context-kicker">正在咨询这条消息</text>
+        <text class="broadcast-context-title">{{ broadcastContext.title }}</text>
+        <text class="broadcast-context-note">可用文字或语音追问；图片、视频和数据查询在本次咨询中不可用。</text>
+      </view>
+      <view class="broadcast-context-actions">
+        <button class="broadcast-context-action" @click="viewBroadcastMessage">查看原消息</button>
+        <button class="broadcast-context-action end" @click="endBroadcastConsultation">结束咨询</button>
+      </view>
+    </view>
+
+    <view v-if="loggedIn && !conversationStarted" class="compact-project-strip">
       <button
-        class="project-context-button"
+        class="project-pill-btn"
         :class="{ missing: availableProjects.length > 1 && !currentProject }"
         :disabled="projectLoading || loading"
         @click="openProjectPicker"
       >
-        <view class="project-context-copy">
-          <text class="project-context-label">当前项目</text>
-          <text class="project-context-name">{{ projectContextLabel }}</text>
-        </view>
-        <uni-icons v-if="availableProjects.length > 1" type="down" size="15" color="#596474" />
+        <uni-icons type="location-filled" size="13" color="#e60012" />
+        <text class="project-pill-name">{{ projectContextLabel }}</text>
+        <uni-icons v-if="availableProjects.length > 1" type="down" size="11" color="#64748b" />
+      </button>
+      <button class="personal-lib-btn" @click="openPersonalAssistant">
+        <uni-icons type="folder-add" size="13" color="#64748b" />
+        <text class="personal-lib-text">我的资料</text>
       </button>
-      <text v-if="!projectLoading && !availableProjects.length" class="project-context-note">未绑定项目，可继续查制度；项目工作请联系管理员</text>
-      <button class="personal-library-entry" @click="openPersonalAssistant">我的资料</button>
     </view>
 
-    <button v-if="loggedIn && currentProject" class="today-result-entry" @click="openTodayResult">
+    <button v-if="loggedIn && currentProject && !conversationStarted" class="today-result-entry" @click="openTodayResult">
       <view class="today-result-copy">
         <text class="today-result-title">今日工作成果</text>
         <text class="today-result-note">按当前项目汇总已确认记录</text>
@@ -41,7 +56,7 @@
       :scroll-with-animation="true"
     >
       <view class="thread-inner">
-        <view class="bubble-row left">
+        <view v-if="!conversationStarted" class="bubble-row left">
           <image class="avatar master-avatar" src="/static/mentor-female-avatar.png" mode="aspectFill" />
           <view class="bubble master">
             <text class="bubble-text">工作里的问题直接问我，我会查制度、SOP、项目记录和经你确认保存的事项；也可以按住下面的按钮说话。</text>
@@ -118,10 +133,10 @@
                   <button v-if="msg.result.snippets?.length" class="bubble-action" @click="msg.citationsOpen = !msg.citationsOpen">
                     引用 {{ msg.result.snippets.length }} 条 {{ msg.citationsOpen ? '▲' : '▼' }}
                   </button>
-                  <button v-if="msg.toolCode === ''" class="bubble-action" :disabled="summaryLoading" @click="buildSummaryCard(msg)">
+                  <button v-if="msg.toolCode === '' && !broadcastContext" class="bubble-action" :disabled="summaryLoading" @click="buildSummaryCard(msg)">
                     {{ summaryLoading ? '生成中' : '总结卡' }}
                   </button>
-                  <button v-if="msg.result.noEvidence" class="bubble-action primary" @click="openWebAi">去查全网</button>
+                  <button v-if="msg.result.noEvidence && !broadcastContext" class="bubble-action primary" @click="openWebAi">去查全网</button>
                 </view>
                 <view v-if="msg.toolCode === ''" class="bubble-actions feedback-row">
                   <button
@@ -220,14 +235,15 @@
 
     <ChatComposer
       ref="composerRef"
-      :disabled="!loggedIn"
+      :disabled="!loggedIn || broadcastContextLoading"
       :transcribing="voiceTranscribing"
       :placeholder="quickQuestionPlaceholder"
       :maxlength="200"
-      :quick-questions="quickQuestions"
+      :quick-questions="conversationStarted ? [] : quickQuestions"
       :media-name="selectedMedia?.name || ''"
       :media-kind="selectedMedia?.kind || ''"
-      :tool-label="defaultToolCode === 'TEAM_PRACTICE_SUMMARY' ? '团队训练概况' : '我的训练概况'"
+      :tool-label="broadcastContext ? '' : defaultToolCode === 'TEAM_PRACTICE_SUMMARY' ? '团队训练概况' : '我的训练概况'"
+      :panel-items="composerPanelItems"
       @send="handleComposerSend"
       @voice-blob="handleVoiceBlob"
       @pick-audio="pickVoiceAudio"
@@ -235,6 +251,7 @@
       @clear-media="clearMedia"
       @quick="useQuickQuestion"
       @tool="runDataTool(defaultToolCode)"
+      @panel="handleComposerPanel"
     />
 
     <view v-if="projectPickerOpen" class="project-picker-mask" @click="closeProjectPicker">
@@ -353,6 +370,7 @@ import { computed, nextTick, ref } from 'vue';
 import { onHide, onShow, onUnload } from '@dcloudio/uni-app';
 import type {
   AnswerFeedbackVerdict,
+  BroadcastKnowledgeContext,
   KnowledgeConversationState,
   KnowledgeMediaSelectedFile,
   KnowledgeResource,
@@ -383,12 +401,19 @@ import {
   saveCurrentProject
 } from '@/services/auth';
 import { resetPageScroll } from '@/services/navigation';
-import { authenticatedFileUrl, releaseAuthenticatedFileUrl } from '@/services/api';
+import { ApiError, authenticatedFileUrl, releaseAuthenticatedFileUrl } from '@/services/api';
 import { ensureEmployeePosition, fetchMobileIdentity } from '@/services/position';
 import { chooseSpeechAudio, createSpeechPlaybackController, measureAudioDuration, MENTOR_VOICE_PROFILE, transcribeSpeechBlob, transcribeSpeechFile } from '@/services/speech';
 import { downloadSummaryCardImage } from '@/services/summary-card-image';
 import { getMemoryCandidates } from '@/services/personal-assistant';
 import { currentAccountKey } from '@/services/request-scope';
+import {
+  clearBroadcastQuestionContext,
+  getBroadcastMessage,
+  readBroadcastQuestionContext,
+  saveBroadcastQuestionContext,
+  type BroadcastQuestionContext
+} from '@/services/broadcast';
 
 type ToolCode = '' | 'MY_PRACTICE_SUMMARY' | 'TEAM_PRACTICE_SUMMARY';
 
@@ -434,6 +459,13 @@ const quickQuestions = computed(() => positionProfile.value.quickQuestions);
 const quickQuestionPlaceholder = computed(() => `例如: ${quickQuestions.value[0] || '岗位SOP怎么处理?'}`);
 
 const messages = ref<ChatMsg[]>([]);
+const broadcastContext = ref<BroadcastKnowledgeContext | null>(null);
+const broadcastContextLoading = ref(false);
+const broadcastContextExpiresAt = ref(0);
+const broadcastContextPrompting = ref(false);
+const conversationStarted = computed(() => messages.value.some((message) =>
+  message.role === 'user' || message.role === 'master' || message.role === 'pending'
+) || Boolean(broadcastContext.value) || broadcastContextLoading.value);
 const threadScrollTop = ref(0);
 const threadScrollIntoView = ref('');
 const composerRef = ref<InstanceType<typeof ChatComposer> | null>(null);
@@ -454,7 +486,12 @@ const pendingSopQueryKey = 'aihr_sop_pending_query';
 const pendingToolKey = 'aihr_sop_pending_tool';
 const currentRole = ref(String(uni.getStorageSync(roleKey) || ''));
 const supervisorLearner = ref(isSupervisorLearnerMode());
-const headerContext = computed(() => `${positionLabel.value} · ${currentProject.value?.projectName || '住宅项目'}`);
+const headerContext = computed(() => broadcastContext.value
+  ? `消息咨询 · ${broadcastContext.value.title}`
+  : `${positionLabel.value} · ${currentProject.value?.projectName || '住宅项目'}`);
+const composerPanelItems = computed(() => broadcastContext.value
+  ? [{ key: 'pick-audio', icon: 'sound', label: '选音频转文字' }]
+  : []);
 const projectContextLabel = computed(() => {
   if (projectLoading.value) return '正在读取…';
   if (currentProject.value) return currentProject.value.projectName;
@@ -489,6 +526,7 @@ let activeMediaUploadTask: ReturnType<typeof uni.uploadFile> | null = null;
 let candidateRefreshGeneration = 0;
 let showGeneration = 0;
 let visibleAccountKey = '';
+let broadcastContextGeneration = 0;
 
 const defaultToolCode = computed<'MY_PRACTICE_SUMMARY' | 'TEAM_PRACTICE_SUMMARY'>(() =>
   currentRole.value === 'supervisor' && !supervisorLearner.value
@@ -538,6 +576,126 @@ const replaceMsg = (id: number, next: ChatMsg | null) => {
 
 const pushSystem = (text: string) => pushMsg<SystemMsg>({ role: 'system', text });
 
+const isBroadcastMessageUnavailable = (error: unknown) =>
+  error instanceof ApiError && (error.statusCode === 404 || error.bizCode === 404);
+
+const clearBroadcastConsultation = () => {
+  broadcastContextGeneration += 1;
+  broadcastContextLoading.value = false;
+  broadcastContextExpiresAt.value = 0;
+  broadcastContext.value = null;
+  clearBroadcastQuestionContext();
+};
+
+const preserveCurrentBroadcastConsultation = () => {
+  if (!broadcastContext.value) return;
+  saveBroadcastQuestionContext(broadcastContext.value.messageId, currentAccountKey());
+};
+
+const activateBroadcastConsultation = async (
+  pending: BroadcastQuestionContext,
+  accountKey: string,
+  pageGeneration: number
+) => {
+  const generation = ++broadcastContextGeneration;
+  const isCurrent = () => generation === broadcastContextGeneration
+    && pageGeneration === showGeneration
+    && accountKey === currentAccountKey();
+  broadcastContextLoading.value = true;
+  // The user has confirmed the switch. Clear any unsent attachment/draft and
+  // generate a new conversation before this ID can be bound server-side.
+  broadcastContext.value = null;
+  broadcastContextExpiresAt.value = 0;
+  resetConversation(false);
+  try {
+    // Re-read under the current employee identity. Only title/time are retained in memory.
+    const message = await getBroadcastMessage(pending.messageId);
+    if (!isCurrent()) return;
+    broadcastContext.value = {
+      messageId: message.id,
+      title: message.title,
+      publishedAt: message.publishedAt
+    };
+    broadcastContextExpiresAt.value = pending.expiresAt;
+    preserveCurrentBroadcastConsultation();
+  } catch (error) {
+    if (!isCurrent()) return;
+    clearBroadcastConsultation();
+    resetConversation(false);
+    pushSystem(isBroadcastMessageUnavailable(error)
+      ? '这条消息已撤回，无法继续咨询。'
+      : requestErrorText(error, '消息咨询打开失败'));
+  } finally {
+    if (isCurrent()) broadcastContextLoading.value = false;
+  }
+};
+
+const restoreBroadcastConsultation = async (pageGeneration: number, accountKey: string) => {
+  if (broadcastContextLoading.value || broadcastContextPrompting.value) return;
+  if (broadcastContext.value && broadcastContextExpiresAt.value > 0 && broadcastContextExpiresAt.value <= Date.now()) {
+    clearBroadcastConsultation();
+    resetConversation(false);
+    pushSystem('消息咨询已过期，请从消息详情重新进入。');
+    return;
+  }
+  const pending = readBroadcastQuestionContext(accountKey);
+  if (!pending) {
+    if (broadcastContext.value) {
+      clearBroadcastConsultation();
+      resetConversation(false);
+      pushSystem('消息咨询已结束，请从消息详情重新进入。');
+    }
+    return;
+  }
+  if (broadcastContext.value?.messageId === pending.messageId) {
+    broadcastContextExpiresAt.value = pending.expiresAt;
+    return;
+  }
+
+  const start = () => void activateBroadcastConsultation(pending, accountKey, pageGeneration);
+  if (!conversationStarted.value) {
+    start();
+    return;
+  }
+
+  broadcastContextPrompting.value = true;
+  uni.showModal({
+    title: '开始新的消息咨询？',
+    content: '当前对话将被清空，并改为围绕这条消息咨询。',
+    confirmText: '开始咨询',
+    cancelText: '保留当前',
+    success: (result) => {
+      broadcastContextPrompting.value = false;
+      if (pageGeneration !== showGeneration || accountKey !== currentAccountKey()) return;
+      if (result.confirm) {
+        start();
+        return;
+      }
+      // A detail page may have written a newer context over an active one. Restore the
+      // active ID on cancellation so the current account never resumes the wrong message.
+      if (broadcastContext.value) preserveCurrentBroadcastConsultation();
+      else clearBroadcastQuestionContext();
+    },
+    fail: () => {
+      broadcastContextPrompting.value = false;
+      if (broadcastContext.value) preserveCurrentBroadcastConsultation();
+      else clearBroadcastQuestionContext();
+    }
+  });
+};
+
+const viewBroadcastMessage = () => {
+  if (!broadcastContext.value) return;
+  uni.navigateTo({ url: `/pages/user/broadcast/detail?id=${broadcastContext.value.messageId}` });
+};
+
+const endBroadcastConsultation = () => {
+  if (!broadcastContext.value && !broadcastContextLoading.value) return;
+  clearBroadcastConsultation();
+  resetConversation(false);
+  uni.showToast({ title: '已结束消息咨询', icon: 'none' });
+};
+
 const conversationState = (): KnowledgeConversationState => ({
   conversationId: conversationId.value,
   contextVersion: contextVersion.value
@@ -582,7 +740,10 @@ const resetConversation = (notify: boolean) => {
   if (notify) pushSystem('已开始新对话，后续问题将从新的上下文理解');
 };
 
-const startNewConversation = () => resetConversation(true);
+const startNewConversation = () => {
+  clearBroadcastConsultation();
+  resetConversation(true);
+};
 
 const openProjectPicker = () => {
   if (projectLoading.value) return;
@@ -614,6 +775,7 @@ const applyProject = (project: MobileProject) => {
   projectPickerOpen.value = false;
   projectSearch.value = '';
   if (changed) {
+    clearBroadcastConsultation();
     resetConversation(false);
     pushSystem(`已切换到“${project.projectName}”，后续记录和对话从新的项目上下文开始`);
   }
@@ -644,7 +806,7 @@ const loadProjectContext = async () => {
     const identity = await fetchMobileIdentity();
     availableProjects.value = identity.projects || [];
     currentProject.value = reconcileCurrentProject(availableProjects.value);
-    if (!currentProject.value && availableProjects.value.length > 1) {
+    if (!currentProject.value && availableProjects.value.length > 1 && !broadcastContext.value && !broadcastContextPrompting.value) {
       projectPickerOpen.value = true;
     }
   } catch (error) {
@@ -695,7 +857,13 @@ const sendQuestion = async (rawText: string, options: { voice?: boolean } = {})
     uni.showToast({ title: '上一条还在检索中，请稍候', icon: 'none' });
     return;
   }
+  const broadcastMessageId = broadcastContext.value?.messageId;
   const media = selectedMedia.value;
+  if (broadcastMessageId && media) {
+    selectedMedia.value = null;
+    uni.showToast({ title: '消息咨询暂不支持图片或视频，请改用文字或语音', icon: 'none' });
+    return;
+  }
   const text = rawText.trim() || (media ? '请根据附件现场情况，告诉我应该按什么 SOP 处理' : '');
   if (!text) {
     uni.showToast({ title: '请先输入问题', icon: 'none' });
@@ -704,7 +872,8 @@ const sendQuestion = async (rawText: string, options: { voice?: boolean } = {})
   const requestShowGeneration = showGeneration;
   const requestAccountKey = currentAccountKey();
   const isCurrentQuestion = () => requestShowGeneration === showGeneration
-    && requestAccountKey === currentAccountKey();
+    && requestAccountKey === currentAccountKey()
+    && broadcastMessageId === broadcastContext.value?.messageId;
   refreshAuthState();
   if (!loggedIn.value) {
     uni.setStorageSync(pendingSopQueryKey, text);
@@ -714,7 +883,7 @@ const sendQuestion = async (rawText: string, options: { voice?: boolean } = {})
   if (!(await ensureEmployeePosition('/pages/user/sop/index')) || !isCurrentQuestion()) {
     return;
   }
-  if (!ensureCurrentProject()) return;
+  if (!broadcastMessageId && !ensureCurrentProject()) return;
   refreshAuthState();
   if (!isCurrentQuestion()) return;
   pushMsg<UserMsg>({
@@ -737,11 +906,15 @@ const sendQuestion = async (rawText: string, options: { voice?: boolean } = {})
           text,
           getSelectedPosition(),
           conversationState(),
-          currentProject.value?.projectCode,
-          options.voice ? 'mobile_uni_voice' : 'mobile_uni_sop'
+          broadcastMessageId ? undefined : currentProject.value?.projectCode,
+          options.voice ? 'mobile_uni_voice' : 'mobile_uni_sop',
+          broadcastMessageId
         );
     if (generation !== knowledgeSearchGeneration) return;
     applyConversationState(nextResult);
+    if (broadcastMessageId && nextResult.broadcastContext?.messageId === broadcastMessageId) {
+      broadcastContext.value = nextResult.broadcastContext;
+    }
     retireEarlierMemoryCandidate(nextResult.memoryCandidate?.id);
     const spoken = (nextResult.answer || '').trim();
     replaceMsg(pending.id, {
@@ -763,6 +936,12 @@ const sendQuestion = async (rawText: string, options: { voice?: boolean } = {})
     }
   } catch (error) {
     if (generation !== knowledgeSearchGeneration) return;
+    if (broadcastMessageId && isBroadcastMessageUnavailable(error) && broadcastContext.value?.messageId === broadcastMessageId) {
+      clearBroadcastConsultation();
+      resetConversation(false);
+      pushSystem('这条消息已撤回，无法继续咨询。');
+      return;
+    }
     replaceMsg(pending.id, null);
     pushSystem(requestErrorText(error, '检索失败，请稍后重试'));
   } finally {
@@ -784,6 +963,10 @@ const useQuickQuestion = (value: string) => {
 
 const runDataTool = async (toolCode: 'MY_PRACTICE_SUMMARY' | 'TEAM_PRACTICE_SUMMARY') => {
   if (loading.value) return;
+  if (broadcastContext.value) {
+    uni.showToast({ title: '消息咨询不支持数据查询，请先结束咨询', icon: 'none' });
+    return;
+  }
   refreshAuthState();
   if (!loggedIn.value) {
     uni.setStorageSync(pendingToolKey, toolCode);
@@ -828,6 +1011,10 @@ const runDataTool = async (toolCode: 'MY_PRACTICE_SUMMARY' | 'TEAM_PRACTICE_SUMM
 
 const pickMedia = async () => {
   if (loading.value) return;
+  if (broadcastContext.value) {
+    uni.showToast({ title: '消息咨询暂不支持图片或视频，请改用文字或语音', icon: 'none' });
+    return;
+  }
   try {
     selectedMedia.value = await chooseKnowledgeMedia();
     uni.showToast({
@@ -845,6 +1032,10 @@ const clearMedia = () => {
   selectedMedia.value = null;
 };
 
+const handleComposerPanel = (key: string) => {
+  if (key === 'pick-audio') void pickVoiceAudio();
+};
+
 const cancelVoiceTranscription = () => {
   voiceTranscriptionGeneration += 1;
   abortVoiceTranscription?.();
@@ -1036,6 +1227,10 @@ const feedback = async (verdict: AnswerFeedbackVerdict, msg: MasterMsg) => {
 };
 
 const buildSummaryCard = async (msg: MasterMsg) => {
+  if (broadcastContext.value) {
+    uni.showToast({ title: '消息咨询不支持生成总结卡，请先结束咨询', icon: 'none' });
+    return;
+  }
   if (summaryLoading.value) return;
   const value = (msg.result.queryText || '').trim();
   if (!value) return;
@@ -1112,6 +1307,10 @@ const goLogin = () => {
 };
 
 const openWebAi = () => {
+  if (broadcastContext.value) {
+    uni.showToast({ title: '消息咨询仅使用公司消息上下文，请先结束咨询', icon: 'none' });
+    return;
+  }
   uni.navigateTo({ url: '/pages/user/web-ai/index' });
 };
 
@@ -1145,22 +1344,33 @@ const handleShow = async () => {
   resetPageScroll();
   const accountKey = currentAccountKey();
   const isCurrentShow = () => generation === showGeneration && accountKey === currentAccountKey();
-  if (visibleAccountKey && visibleAccountKey !== accountKey) resetConversation(false);
+  if (visibleAccountKey && visibleAccountKey !== accountKey) {
+    clearBroadcastConsultation();
+    resetConversation(false);
+  }
   visibleAccountKey = accountKey;
   refreshAuthState();
-  if (!loggedIn.value && messages.value.length) {
-    resetConversation(false);
+  if (!loggedIn.value) {
+    clearBroadcastConsultation();
+    if (messages.value.length) resetConversation(false);
   }
   if (!isCurrentShow()) return;
   if (loggedIn.value) {
     const hasEmployeePosition = await ensureEmployeePosition('/pages/user/sop/index');
     if (!isCurrentShow() || !hasEmployeePosition) return;
+    await restoreBroadcastConsultation(generation, accountKey);
+    if (!isCurrentShow()) return;
     await loadProjectContext();
     if (!isCurrentShow()) return;
   }
   positionProfile.value = getSelectedPositionProfile();
   scrollToBottom();
   if (!isCurrentShow()) return;
+  if (broadcastContext.value || broadcastContextLoading.value || broadcastContextPrompting.value) {
+    uni.removeStorageSync(pendingSopQueryKey);
+    uni.removeStorageSync(pendingToolKey);
+    return;
+  }
   const pending = uni.getStorageSync(pendingSopQueryKey);
   if (!isCurrentShow()) return;
   const pendingTool = uni.getStorageSync(pendingToolKey);
@@ -1211,6 +1421,77 @@ onUnload(() => {
   background: linear-gradient(180deg, var(--employee-bg-soft) 0%, var(--employee-bg) 100%);
 }
 
+.broadcast-context-loading,
+.broadcast-context-bar {
+  margin-top: 12px;
+  border: 1px solid #f1c7cd;
+  border-radius: 16px;
+  background: #fff7f7;
+}
+
+.broadcast-context-loading {
+  padding: 13px 14px;
+  color: #9a2633;
+  font-size: 13px;
+}
+
+.broadcast-context-bar {
+  display: grid;
+  gap: 12px;
+  padding: 14px;
+}
+
+.broadcast-context-copy {
+  display: grid;
+  gap: 5px;
+  min-width: 0;
+}
+
+.broadcast-context-kicker {
+  color: #c8001a;
+  font-size: 12px;
+  font-weight: 800;
+}
+
+.broadcast-context-title {
+  overflow: hidden;
+  color: #25282d;
+  font-size: 15px;
+  font-weight: 800;
+  line-height: 1.45;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.broadcast-context-note {
+  color: #7b5258;
+  font-size: 12px;
+  line-height: 1.5;
+}
+
+.broadcast-context-actions {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 8px;
+}
+
+.broadcast-context-action {
+  min-height: 38px;
+  margin: 0;
+  border: 1px solid #e7aeb7;
+  border-radius: 10px;
+  background: #ffffff;
+  color: #b51c2b;
+  font-size: 12px;
+  font-weight: 700;
+}
+
+.broadcast-context-action.end {
+  border-color: transparent;
+  background: #f5e9eb;
+  color: #76545a;
+}
+
 .sop-head {
   position: relative;
   margin: 0 -16px;
@@ -2277,74 +2558,66 @@ onUnload(() => {
 .today-result-note { color: #8c929d; font-size: 12px; }
 .today-result-arrow { color: #d9081c; font-size: 13px; }
 
-.project-context-button {
+.compact-project-strip {
   display: flex;
-  box-sizing: border-box;
-  width: 100%;
-  min-height: 48px;
   align-items: center;
   justify-content: space-between;
-  margin: 0;
-  padding: 7px 12px;
-  border: 1px solid #e1e5ea;
-  border-radius: 13px;
-  background: #f8f9fb;
-  line-height: 1.2;
-  text-align: left;
+  gap: 8px;
+  padding: 6px 12px;
+  background: #f8fafc;
+  border-bottom: 1px solid #edf2f7;
 }
 
-.project-context-button.missing {
-  border-color: #efb4bb;
-  background: #fff7f8;
-}
-
-.project-context-button::after,
-.project-picker-close::after,
-.project-option::after {
-  border: none;
-}
-
-.project-context-copy {
+.project-pill-btn {
   display: flex;
-  min-width: 0;
-  flex-direction: column;
-  gap: 3px;
+  align-items: center;
+  gap: 5px;
+  height: 28px;
+  padding: 0 10px;
+  border: 1px solid #e2e8f0;
+  border-radius: 999px;
+  background: #ffffff;
+  margin: 0;
 }
 
-.project-context-label {
-  color: #8a93a0;
-  font-size: 11px;
+.project-pill-btn.missing {
+  border-color: #fecaca;
+  background: #fef2f2;
 }
 
-.project-context-name {
-  overflow: hidden;
-  color: #29313c;
-  font-size: 15px;
+.project-pill-name {
+  font-size: 12px;
   font-weight: 700;
+  color: #1e293b;
+  max-width: 180px;
+  overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
 }
 
-.project-context-note {
-  display: block;
-  margin-top: 5px;
-  color: #9a6b24;
-  font-size: 11px;
-  line-height: 1.4;
-}
-
-.personal-library-entry {
-  display: block;
-  width: fit-content;
-  margin: 7px 0 0 auto;
-  padding: 2px 0;
-  border: 0;
-  color: #c90012;
+.personal-lib-btn {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+  height: 28px;
+  padding: 0 8px;
+  border: none;
   background: transparent;
-  font-size: 12px;
+  margin: 0;
 }
 
-.personal-library-entry::after { border: 0; }
+.personal-lib-text {
+  font-size: 12px;
+  font-weight: 600;
+  color: #475569;
+}
+
+.project-pill-btn::after,
+.personal-lib-btn::after,
+.project-picker-close::after,
+.project-option::after {
+  border: none;
+}
 
 .project-picker-mask {
   position: fixed;