diff --git a/common/js/ai-service.js b/common/js/ai-service.js
index 50a97ea..dc8da67 100644
--- a/common/js/ai-service.js
+++ b/common/js/ai-service.js
@@ -523,6 +523,9 @@ export default {
           user: getUserId(),
           conversation_id: this.getConversationId() || '',
           attachments: (options && options.attachments) || [],
+          // PR-BASIC-CONTEXT-TO-WB (2026-09-28): 透传位置/时间/页面上下文
+          //   给 WbAgentOsClient 提供 timestamp/timezone/location/page/metadata 等基础元素
+          context: (options && options.context) || null,
           ...getDomainParams()
         },
         header: {
@@ -588,6 +591,8 @@ export default {
             user_id: getUserId(),
             conversation_id: this.getConversationId() || '',
             attachments: opts.attachments || [],
+            // PR-BASIC-CONTEXT-TO-WB (2026-09-28): 透传位置/时间/页面上下文
+            context: (opts && opts.context) || null,
             ...getDomainParams()
           })
         });
@@ -608,7 +613,11 @@ export default {
    */
   async _fallbackToHttp(message, onEvent, onComplete, opts = {}) {
     try {
-      const result = await this.sendMessage(message, { attachments: (opts && opts.attachments) || [] });
+      const result = await this.sendMessage(message, {
+        attachments: (opts && opts.attachments) || [],
+        // PR-BASIC-CONTEXT-TO-WB (2026-09-28): MP HTTP 降级路径同步传递 context
+        context: (opts && opts.context) || null
+      });
       const content = result && result.content ? result.content : '';
       // 阻塞式降级也尝试把后端返回的思考过程/用量透出来, 让小程序在 WS 不可用时仍能显示"思考过程 (N 步)"
       const fallbackPayload = {
@@ -666,6 +675,8 @@ export default {
           user_id: getUserId(),
           conversation_id: this.getConversationId() || '',
           attachments: (opts && opts.attachments) || [],
+          // PR-BASIC-CONTEXT-TO-WB (2026-09-28): 透传位置/时间/页面上下文
+          context: (opts && opts.context) || null,
           ...getDomainParams()
         })
       });
diff --git a/pages_tool/ai-chat/ai-chat-message.vue b/pages_tool/ai-chat/ai-chat-message.vue
index a47a268..b251d2a 100644
--- a/pages_tool/ai-chat/ai-chat-message.vue
+++ b/pages_tool/ai-chat/ai-chat-message.vue
@@ -42,7 +42,9 @@
       <!-- PR-USER-MULTI-VOICE-FILTER (2026-09-28): 补 voiceList / videoList / attachments 字段检查
            原过滤只识别顶层 fileName / audioUrl / imageUrl / videoUrl,
            多条语音/视频消息顶层无这些字段 (在 voiceList/videoList 里嵌套), 会被误过滤掉不渲染
-           修复: 显式判断 voiceList / videoList 非空 + attachments 非空 -->
+           修复: 显式判断 voiceList / videoList 非空 + attachments 非空
+           PR-LOCATION-FILTER (2026-09-28): 位置消息顶层无上述字段, 但有 latitude/longitude,
+           单独判断以确保位置气泡不被过滤掉 -->
       <view
         v-for="(message, index) in messages.filter(msg =>
           msg.type === 'loading'
@@ -53,6 +55,7 @@
           || (msg.voiceList && msg.voiceList.length)
           || (msg.videoList && msg.videoList.length)
           || (msg.attachments && msg.attachments.length)
+          || (msg.latitude !== undefined && msg.longitude !== undefined)
           || (msg.content && msg.content.trim() !== '')
         )"
         :key="getMessageKey(message, index)"
@@ -129,6 +132,22 @@
                 <text class="message-text" selectable>{{ message.content }}</text>
               </view>
             </view>
+            <!-- PR-LOCATION-PENDING (2026-09-28): 用户位置气泡
+                 显示在用户消息列表, 同时通过 context.location 字段透传给 WB.
+                 📍 emoji + 名称 + 地址 + 坐标 (备选) -->
+            <view v-else-if="message.type === 'location'" class="message-bubble user-location-bubble">
+              <view class="location-item">
+                <text class="location-icon">📍</text>
+                <view class="location-info">
+                  <text class="location-name">{{ message.name || $lang('ai-chat.index.location') || '位置' }}</text>
+                  <text class="location-address" v-if="message.address">{{ message.address }}</text>
+                  <text class="location-coord" v-else>{{ message.latitude }}, {{ message.longitude }}</text>
+                </view>
+              </view>
+              <view v-if="message.content" class="voice-bubble-text">
+                <text class="message-text" selectable>{{ message.content }}</text>
+              </view>
+            </view>
             <!-- PR-USER-VOICE-BUBBLE (2026-09-28): 用户语音消息气泡
                  模仿微信/Telegram 的语音消息样式:
                  [▶播放] [语音 + 进度条] [时长]
@@ -477,6 +496,13 @@
               </view>
               <text class="pending-voice-duration">{{ formatDuration((f.duration || 0) / 1000) }}</text>
             </view>
+            <view v-else-if="f.type === 'location'" class="pending-location-thumb">
+              <text class="pending-location-icon">📍</text>
+              <view class="pending-location-info">
+                <text class="pending-location-name">{{ f.name || $lang('ai-chat.index.location') || '位置' }}</text>
+                <text class="pending-location-addr" v-if="f.address">{{ f.address }}</text>
+              </view>
+            </view>
             <view v-else class="pending-file-thumb">
               <text class="pending-file-icon">{{ f.type === 'video' ? '🎬' : (f.type === 'audio' ? '🎵' : '📄') }}</text>
               <text class="pending-file-name">{{ f.fileName }}</text>
@@ -1217,8 +1243,138 @@ export default {
       this.pauseAudio(playing)
     },
 
+    // PR-BASIC-CONTEXT-TO-WB (2026-09-28): 构建发给 WbAgentOsClient 的 context
+    //   4 类基础元素:
+    //     1. timestamp     - 客户端时间 (ms), AI 可识别"几分钟前"类问题
+    //     2. timezone      - 客户端时区 (e.g. "Asia/Shanghai"), 避免时区歧义
+    //     3. location      - 用户位置 (可选, 仅当 pending 含位置时填, 否则 null)
+    //     4. page          - 当前所在页面 (route/title), 让 AI 知道用户在干什么
+    //     5. metadata      - 会话级设备/平台信息 (platform/screen/locale), 一次性建立
+    //   跨平台兼容: H5 用 Intl/navigator, MP/鸿蒙用 uni.getSystemInfoSync 兜底
+    _buildSendContext({ locationFiles }) {
+      const ctx = {
+        timestamp: Date.now(),
+        timezone: this._detectTimezone(),
+        location: null,
+        page: this._getCurrentPageRoute(),
+        metadata: this._getSessionMetadata()
+      }
+      // 位置: 只取第一个, 多位置场景后续再加
+      if (locationFiles && locationFiles.length) {
+        const loc = locationFiles[0]
+        ctx.location = {
+          latitude: loc.latitude,
+          longitude: loc.longitude,
+          address: loc.address || '',
+          name: loc.name || ''
+        }
+      }
+      return ctx
+    },
+
+    // 检测客户端时区 (H5 优先用 Intl, MP/鸿蒙走 fallback)
+    _detectTimezone() {
+      try {
+        // H5 / 鸿蒙 WebView 一般有 Intl
+        if (typeof Intl !== 'undefined' && Intl.DateTimeFormat) {
+          const tz = Intl.DateTimeFormat().resolvedOptions().timeZone
+          if (tz) return tz
+        }
+      } catch (e) { /* fallback */ }
+      // MP / 鸿蒙 fallback: 直接读本机偏移 (粗略, 单位小时)
+      try {
+        const offset = new Date().getTimezoneOffset()
+        const sign = offset > 0 ? '-' : '+'
+        const abs = Math.abs(offset)
+        const h = Math.floor(abs / 60)
+        const m = abs % 60
+        return 'UTC' + sign + (h < 10 ? '0' + h : h) + ':' + (m < 10 ? '0' + m : m)
+      } catch (e) {
+        return 'UTC'
+      }
+    },
+
+    // 当前页面路由 (H5 用 window.location, MP/鸿蒙用 getCurrentPages)
+    _getCurrentPageRoute() {
+      try {
+        // #ifdef H5
+        if (typeof window !== 'undefined' && window.location) {
+          return {
+            route: window.location.pathname || '',
+            hash: window.location.hash || '',
+            query: window.location.search || ''
+          }
+        }
+        // #endif
+        // #ifdef MP-WEIXIN || MP-HARMONY
+        const pages = getCurrentPages && getCurrentPages()
+        if (pages && pages.length) {
+          const last = pages[pages.length - 1]
+          return {
+            route: last && last.route ? last.route : '',
+            options: last && last.options ? last.options : {}
+          }
+        }
+        // #endif
+      } catch (e) { /* ignore */ }
+      return { route: '', options: {} }
+    },
+
+    // 会话级 metadata: 平台/屏幕/locale, 第一次取后缓存 (会话期间不变)
+    _getSessionMetadata() {
+      if (this._sessionMetaCache) return this._sessionMetaCache
+      let platform = 'h5'
+      // #ifdef MP-WEIXIN
+      platform = 'mp-weixin'
+      // #endif
+      // #ifdef MP-HARMONY
+      platform = 'mp-harmony'
+      // #endif
+      // #ifdef APP-PLUS
+      platform = 'app'
+      // #endif
+      let screen = { width: 0, height: 0, dpr: 1 }
+      let locale = 'zh-cn'
+      let ua = ''
+      try {
+        if (typeof uni !== 'undefined' && uni.getSystemInfoSync) {
+          const sys = uni.getSystemInfoSync()
+          if (sys) {
+            screen = {
+              width: sys.screenWidth || sys.windowWidth || 0,
+              height: sys.screenHeight || sys.windowHeight || 0,
+              dpr: sys.pixelRatio || 1
+            }
+            locale = sys.language || sys.locale || 'zh-cn'
+            if (sys.uniPlatform) platform = sys.uniPlatform
+          }
+        }
+        // H5 平台补充 UA (uni.getSystemInfoSync 也提供)
+        if (typeof navigator !== 'undefined') {
+          ua = navigator.userAgent || ''
+          if (!screen.width && window.screen) {
+            screen = {
+              width: window.screen.width || 0,
+              height: window.screen.height || 0,
+              dpr: window.devicePixelRatio || 1
+            }
+          }
+        }
+      } catch (e) { /* ignore */ }
+      this._sessionMetaCache = { platform, screen, locale, userAgent: ua }
+      return this._sessionMetaCache
+    },
+
     onLocationSelected(locationMessage) {
-      this.messages.push(locationMessage)
+      // PR-LOCATION-PENDING (2026-09-28): 位置消息走 pending 流程
+      //   原实现直接 push 到 messages, 用户点发送后位置根本不会传给 WB
+      //   改为挂到 pendingFiles, 等用户点发送时:
+      //     1) 进 messages 显示位置气泡 (用户视觉)
+      //     2) 坐标/地址塞到 context.location 透传给 WB (AI 知晓)
+      //   位置不算附件, 不参与 _uploadOneFile 上传链路, type='location' 标识
+      const localId = ++this.pendingIdSeq
+      this.$set(locationMessage, 'localId', localId)
+      this.pendingFiles.push(locationMessage)
       this.$emit('location-selected', locationMessage)
     },
 
@@ -1779,13 +1935,18 @@ async loadChatHistoryIfExist() {
       //   把 pendingFilesList 里的音频拆出来 → voiceList 数组, 每条独立可播放.
       //   PR-USER-MEDIA-TYPE-BUBBLE (2026-09-28): 修复视频/文件被错误归到 type='text'
       //   渲染成空文字气泡 + 🎬/📎 卡片的 bug. 现在每种 kind 都有专属气泡.
-      //   优先级: 图片 > 视频 > 语音 > 文件 > 文字 (高优先级类型独占气泡, 其余挂到 attachments)
+      //   优先级: 图片 > 视频 > 语音 > 文件 > 位置 > 文字 (高优先级类型独占气泡, 其余挂到 attachments)
+      //   位置 (location) 单独走 context 字段透传给 WB, 不进 attachments.
+      // PR-LOCATION-PENDING (2026-09-28): 位置从 pendingFiles 里挑出来,
+      //   type='location' 标识 (不进 upload 链路, uploaded=null)
       const voiceFiles = pendingFilesList.filter(p => p.uploaded && p.uploaded.kind === 'audio')
       const videoFiles = pendingFilesList.filter(p => p.uploaded && p.uploaded.kind === 'video')
       const fileFiles = pendingFilesList.filter(p => p.uploaded && p.uploaded.kind === 'file')
+      const locationFiles = pendingFilesList.filter(p => p.type === 'location')
       const hasVoice = voiceFiles.length > 0
       const hasVideo = videoFiles.length > 0
       const hasFile = fileFiles.length > 0
+      const hasLocation = locationFiles.length > 0
 
       const userMessage = firstPendingImage
         ? {
@@ -1879,17 +2040,38 @@ async loadChatHistoryIfExist() {
                     timestamp: Date.now()
                   }
                 })()
-              : {
-                  id: ++this.messageId,
-                  role: 'user',
-                  type: 'text',
-                  // PR-FRONTEND-VOICE-INPUT (2026-09-24): 用户气泡只显示用户自己输入的文字
-                  //   给 AI 的指令 hint 在 queryText 里, 这里不要污染用户气泡
-                  content: userText,
-                  // 纯文字(无任何附件)时 attachments 留空
-                  attachments: [],
-                  timestamp: Date.now()
-                }
+              : hasLocation
+                ? (() => {
+                    // PR-LOCATION-PENDING (2026-09-28): 位置气泡, 同时作为消息体展示 + WB 上下文
+                    //   取首个位置为主; 用户文本挂到 content 与位置一起显示
+                    //   坐标/地址不重复进 attachments (附件是文件流媒体), 走 context.location 字段
+                    const loc = locationFiles[0]
+                    return {
+                      id: ++this.messageId,
+                      role: 'user',
+                      type: 'location',
+                      content: userText,
+                      latitude: loc.latitude,
+                      longitude: loc.longitude,
+                      address: loc.address || '',
+                      name: loc.name || '',
+                      // 位置不挂 attachments (附件是文件类, 位置是 metadata-like)
+                      //   若用户位置 + 文件混发, 文件归到对应分支优先
+                      attachments: [],
+                      timestamp: Date.now()
+                    }
+                  })()
+                : {
+                    id: ++this.messageId,
+                    role: 'user',
+                    type: 'text',
+                    // PR-FRONTEND-VOICE-INPUT (2026-09-24): 用户气泡只显示用户自己输入的文字
+                    //   给 AI 的指令 hint 在 queryText 里, 这里不要污染用户气泡
+                    content: userText,
+                    // 纯文字(无任何附件)时 attachments 留空
+                    attachments: [],
+                    timestamp: Date.now()
+                  }
       this.shouldScrollToBottom = true
       this.messages.push(userMessage)
       this.inputText = ''
@@ -1926,10 +2108,15 @@ async loadChatHistoryIfExist() {
         // PR-FRONTEND-VOICE-INPUT (2026-09-25): content 只发用户文本 (有文本时),
         //   纯附件时 fallback 到 _buildAttachmentQuery 的类型标识, 不再 append 指令 hint.
         const enhancedMessage = this.enhanceEmojiMessage(queryText)
+        // PR-BASIC-CONTEXT-TO-WB (2026-09-28): 透传位置/时间/页面/会话 metadata 给 WbAgentOsClient
+        //   让 AI 知道用户在哪、什么时候发的、当前在哪个页面、设备/平台信息
+        //   context 字段在 ai-service.js 三个发送路径(sendMessage/sendStreamMessage/sendHttpStream)
+        //   都已添加, 缺失则后端拿到 null, 不影响旧版后端兼容
+        const context = this._buildSendContext({ locationFiles })
         if (this.enableStreaming) {
-          await this.sendStreamMessage(enhancedMessage, readyAttachments)
+          await this.sendStreamMessage(enhancedMessage, readyAttachments, context)
         } else {
-          await this.sendNormalMessage(enhancedMessage, readyAttachments)
+          await this.sendNormalMessage(enhancedMessage, readyAttachments, context)
         }
         
       } catch (error) {
@@ -1959,11 +2146,13 @@ async loadChatHistoryIfExist() {
     },
     
     // 发送普通消息
-    async sendNormalMessage(userMessage, attachments = []) {
+    async sendNormalMessage(userMessage, attachments = [], context = null) {
       const response = await aiService.sendMessage(userMessage, {
         conversationId: this.currentConversationId,
         stream: false,
-        attachments
+        attachments,
+        // PR-BASIC-CONTEXT-TO-WB (2026-09-28): 透传 context 给 WB
+        context
       })
       
       // 移除加载状态
@@ -1999,7 +2188,7 @@ async loadChatHistoryIfExist() {
       this.$emit('ai-response', aiMessage)
     },
  // 发送流式消息（自动适配 H5 / 微信小程序）, 支持思考流 / 选项 / 工具调用 / 附件
-async sendStreamMessage(userMessage, attachments = []) {
+async sendStreamMessage(userMessage, attachments = [], context = null) {
   // 标记进入流式接收, 禁止重复发送, 同时让思考面板处于"思考中"展开状态
   this.isStreaming = true
   // 找到已有的 loading 消息，复用它在 DOM 中的位置，实现无缝过渡
@@ -2152,10 +2341,10 @@ async sendStreamMessage(userMessage, attachments = []) {
 
   try {
     // #ifdef H5
-    await aiService.sendHttpStream(userMessage, onEvent, onComplete, { attachments })
+    await aiService.sendHttpStream(userMessage, onEvent, onComplete, { attachments, context })
     // #endif
     // #ifdef MP-WEIXIN
-    await aiService.sendStreamMessage(userMessage, onEvent, onComplete, { attachments })
+    await aiService.sendStreamMessage(userMessage, onEvent, onComplete, { attachments, context })
     // #endif
   } catch (error) {
     console.error('流式请求失败:', error)
@@ -3458,6 +3647,9 @@ _handleStreamError(msg) {
       // 记录用户发出消息的时间戳, AI 回复完成时算 elapsed
       this._aiRequestStart = Date.now()
 
+      // PR-BASIC-CONTEXT-TO-WB (2026-09-28): 重发/商品页也透传 context (无位置)
+      const context = this._buildSendContext({ locationFiles: [] })
+
       const userMessage = {
         id: ++this.messageId,
         role: 'user',
@@ -3489,10 +3681,10 @@ _handleStreamError(msg) {
         // 使用AI服务获取回复
         if (this.enableStreaming) {
           // 流式响应
-          await this.sendStreamMessage(userMessage.content, attachments)
+          await this.sendStreamMessage(userMessage.content, attachments, context)
         } else {
           // 普通响应
-          await this.sendNormalMessage(userMessage.content, attachments)
+          await this.sendNormalMessage(userMessage.content, attachments, context)
         }
 
       } catch (error) {
@@ -6607,6 +6799,97 @@ _handleStreamError(msg) {
   }
 }
 
+/* PR-LOCATION-PENDING (2026-09-28): 用户位置气泡
+   复用主色背景 + 📍 emoji + 名称/地址, 跨平台一致 */
+.user-location-bubble {
+  padding: 18rpx 24rpx !important;
+  min-width: 280rpx;
+  max-width: 480rpx;
+  background: $color-primary !important;
+  border-radius: 24rpx !important;
+  color: #fff !important;
+
+  .location-item {
+    display: flex;
+    align-items: center;
+    gap: 14rpx;
+  }
+  .location-icon {
+    font-size: 44rpx;
+    line-height: 1;
+    flex-shrink: 0;
+  }
+  .location-info {
+    flex: 1;
+    min-width: 0;
+    display: flex;
+    flex-direction: column;
+    gap: 6rpx;
+  }
+  .location-name {
+    font-size: 28rpx;
+    font-weight: 500;
+    color: #fff;
+    line-height: 1.2;
+    /* 跨平台防溢出 */
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    max-width: 360rpx;
+  }
+  .location-address,
+  .location-coord {
+    font-size: 22rpx;
+    color: rgba(255, 255, 255, 0.85);
+    line-height: 1.3;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    max-width: 360rpx;
+  }
+}
+
+/* PR-LOCATION-PENDING (2026-09-28): 输入区待发送位置预览
+   与 pending-voice-thumb 风格一致, 紧凑卡片 + 📍 + 名称 + 地址 */
+.pending-location-thumb {
+  display: flex;
+  align-items: center;
+  gap: 10rpx;
+  padding: 12rpx 16rpx;
+  background: #f5f7fa;
+  border-radius: 12rpx;
+  min-width: 200rpx;
+  max-width: 360rpx;
+
+  .pending-location-icon {
+    font-size: 32rpx;
+    flex-shrink: 0;
+  }
+  .pending-location-info {
+    flex: 1;
+    min-width: 0;
+    display: flex;
+    flex-direction: column;
+    gap: 4rpx;
+  }
+  .pending-location-name {
+    font-size: 24rpx;
+    color: #1f1f1f;
+    line-height: 1.2;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+  .pending-location-addr {
+    font-size: 20rpx;
+    color: #8a9fb8;
+    line-height: 1.2;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+}
+
 /* 图片消息配文气泡 (图文一起发出时, 独立气泡显示在图片下方)
    PR-FIX-CAPTION-BUBBLE-SIZE (2026-09-24): 这里原先单独定义了
    background/border-radius/padding/max-width/字号, 使配文气泡比普通文字气泡小一圈