优化工作台输入与表情，并补充访客 IP 地区

- 输入框改为单层大尺寸 textarea，修复双层边框
- 新增表情选择器（工作台/Widget），插入 Unicode 表情
- 会话记录访客 IP/地区/UA，工作台顶栏与侧栏展示
- 去掉表情面板无用横向滚动条

server/internal/handler/visitor_meta.go

@@ -0,0 +1,133 @@
+package handler
+
+import (
+	"net"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+)
+
+// resolveVisitorIP 优先信任反代头，回落到 Gin ClientIP。
+func resolveVisitorIP(c *gin.Context) string {
+	candidates := []string{
+		c.GetHeader("CF-Connecting-IP"),
+		c.GetHeader("True-Client-IP"),
+		c.GetHeader("X-Real-IP"),
+	}
+	if xff := c.GetHeader("X-Forwarded-For"); xff != "" {
+		// 取最左侧第一个非空 IP
+		for _, part := range strings.Split(xff, ",") {
+			part = strings.TrimSpace(part)
+			if part != "" {
+				candidates = append(candidates, part)
+				break
+			}
+		}
+	}
+	for _, raw := range candidates {
+		ip := strings.TrimSpace(raw)
+		if ip == "" {
+			continue
+		}
+		// 去掉端口
+		if host, _, err := net.SplitHostPort(ip); err == nil {
+			ip = host
+		}
+		if net.ParseIP(ip) != nil {
+			return ip
+		}
+	}
+	ip := c.ClientIP()
+	if host, _, err := net.SplitHostPort(ip); err == nil {
+		return host
+	}
+	return ip
+}
+
+// resolveVisitorRegion 基于 IP 与常见 CDN 国家头做粗粒度地区，无需第三方库。
+// 私网/本机显示「内网」；有国家头则映射中文名；否则「未知」。
+func resolveVisitorRegion(c *gin.Context, ip string) string {
+	// Cloudflare / 部分网关国家码
+	country := strings.ToUpper(strings.TrimSpace(c.GetHeader("CF-IPCountry")))
+	if country == "" {
+		country = strings.ToUpper(strings.TrimSpace(c.GetHeader("X-AppEngine-Country")))
+	}
+	if country == "" {
+		country = strings.ToUpper(strings.TrimSpace(c.GetHeader("CloudFront-Viewer-Country")))
+	}
+	if country != "" && country != "XX" && country != "T1" {
+		if name, ok := countryNameCN(country); ok {
+			return name
+		}
+		return country
+	}
+
+	parsed := net.ParseIP(ip)
+	if parsed == nil {
+		return "未知"
+	}
+	if parsed.IsLoopback() || parsed.IsPrivate() || parsed.IsLinkLocalUnicast() || parsed.IsLinkLocalMulticast() {
+		return "内网"
+	}
+	// 未接入 GeoIP 库时，公网 IP 地区暂标未知（可后续接入离线库）
+	return "未知"
+}
+
+func countryNameCN(code string) (string, bool) {
+	names := map[string]string{
+		"CN": "中国", "HK": "中国香港", "MO": "中国澳门", "TW": "中国台湾",
+		"US": "美国", "JP": "日本", "KR": "韩国", "SG": "新加坡",
+		"GB": "英国", "DE": "德国", "FR": "法国", "AU": "澳大利亚",
+		"CA": "加拿大", "RU": "俄罗斯", "IN": "印度", "BR": "巴西",
+		"MY": "马来西亚", "TH": "泰国", "VN": "越南", "PH": "菲律宾",
+		"ID": "印度尼西亚", "AE": "阿联酋", "SA": "沙特阿拉伯",
+	}
+	name, ok := names[code]
+	return name, ok
+}
+
+// summarizeUserAgent 将 UA 压缩为可读设备摘要，如 "Chrome / macOS"。
+func summarizeUserAgent(ua string) string {
+	ua = strings.TrimSpace(ua)
+	if ua == "" {
+		return ""
+	}
+	browser := "浏览器"
+	osName := "未知系统"
+	switch {
+	case strings.Contains(ua, "Edg/"):
+		browser = "Edge"
+	case strings.Contains(ua, "Chrome/") && !strings.Contains(ua, "Edg/"):
+		browser = "Chrome"
+	case strings.Contains(ua, "Firefox/"):
+		browser = "Firefox"
+	case strings.Contains(ua, "Safari/") && !strings.Contains(ua, "Chrome/"):
+		browser = "Safari"
+	case strings.Contains(ua, "MicroMessenger"):
+		browser = "微信"
+	}
+	switch {
+	case strings.Contains(ua, "Windows"):
+		osName = "Windows"
+	case strings.Contains(ua, "Mac OS X") || strings.Contains(ua, "Macintosh"):
+		osName = "macOS"
+	case strings.Contains(ua, "Android"):
+		osName = "Android"
+	case strings.Contains(ua, "iPhone") || strings.Contains(ua, "iPad"):
+		osName = "iOS"
+	case strings.Contains(ua, "Linux"):
+		osName = "Linux"
+	}
+	return browser + " / " + osName
+}
+
+func captureVisitorMeta(c *gin.Context) (ip, region, ua, device string) {
+	ip = resolveVisitorIP(c)
+	region = resolveVisitorRegion(c, ip)
+	ua = c.Request.UserAgent()
+	if len(ua) > 500 {
+		ua = ua[:500]
+	}
+	device = summarizeUserAgent(ua)
+	return
+}

server/internal/handler/visitor_meta_test.go

@@ -0,0 +1,42 @@
+package handler
+
+import (
+	"net/http/httptest"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+)
+
+func TestResolveVisitorIPAndRegion(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+
+	// 内网 IP
+	w := httptest.NewRecorder()
+	c, _ := gin.CreateTestContext(w)
+	c.Request = httptest.NewRequest("GET", "/", nil)
+	c.Request.RemoteAddr = "192.168.1.105:12345"
+	ip := resolveVisitorIP(c)
+	if ip != "192.168.1.105" {
+		t.Fatalf("内网 IP 解析错误: %s", ip)
+	}
+	if region := resolveVisitorRegion(c, ip); region != "内网" {
+		t.Fatalf("内网地区应为内网, got %s", region)
+	}
+
+	// CF 国家头
+	c2, _ := gin.CreateTestContext(httptest.NewRecorder())
+	c2.Request = httptest.NewRequest("GET", "/", nil)
+	c2.Request.Header.Set("CF-Connecting-IP", "8.8.8.8")
+	c2.Request.Header.Set("CF-IPCountry", "US")
+	ip2 := resolveVisitorIP(c2)
+	if ip2 != "8.8.8.8" {
+		t.Fatalf("CF IP 解析错误: %s", ip2)
+	}
+	if region := resolveVisitorRegion(c2, ip2); region != "美国" {
+		t.Fatalf("期望美国, got %s", region)
+	}
+
+	if summarizeUserAgent("Mozilla/5.0 (Macintosh; Intel Mac OS X) Chrome/120.0.0.0") != "Chrome / macOS" {
+		t.Fatalf("UA 摘要错误")
+	}
+}

server/internal/handler/widget.go

@@ -103,12 +103,17 @@ func (h *WidgetHandler) Init(c *gin.Context) {
 		return
 	}
 
+	visitorIP, visitorRegion, userAgent, _ := captureVisitorMeta(c)
+
 	// 创建会话
 	session := model.Session{
 		TenantID:         channel.TenantID,
 		ChannelID:        channel.ID,
 		CustomerID:       customer.ID,
 		VisitorTokenHash: visitorTokenHash,
+		VisitorIP:        visitorIP,
+		VisitorRegion:    visitorRegion,
+		UserAgent:        userAgent,
 		Status:           "waiting",
 		Priority:         "normal",
 	}

server/internal/model/models.go

@@ -70,6 +70,9 @@ type Session struct {
 	CustomerID        uint       `gorm:"index" json:"customer_id"`
 	AgentID           *uint      `gorm:"index" json:"agent_id"`
 	VisitorTokenHash  string     `gorm:"size:64;index" json:"-"`
+	VisitorIP         string     `gorm:"size:64" json:"visitor_ip"`
+	VisitorRegion     string     `gorm:"size:100" json:"visitor_region"`
+	UserAgent         string     `gorm:"size:500" json:"user_agent"`
 	LastReadSeq       int        `gorm:"default:0" json:"last_read_seq"`
 	Status            string     `gorm:"size:20;default:waiting" json:"status"`
 	Priority          string     `gorm:"size:20;default:normal" json:"priority"`

web/src/components/common/EmojiPicker.tsx

@@ -0,0 +1,151 @@
+import { useState } from 'react'
+import { Popover } from 'antd'
+import { SmileOutlined } from '@ant-design/icons'
+
+/** 常用 Unicode 表情（无需额外依赖，文本消息可直接发送） */
+const EMOJI_GROUPS: { key: string; label: string; emojis: string[] }[] = [
+  {
+    key: 'face',
+    label: '表情',
+    emojis: [
+      '😀', '😁', '😂', '🤣', '😃', '😄', '😅', '😆', '😉', '😊',
+      '😋', '😎', '😍', '😘', '😗', '😙', '😚', '🙂', '🤗', '🤩',
+      '🤔', '🤨', '😐', '😑', '😶', '🙄', '😏', '😣', '😥', '😮',
+      '🤐', '😯', '😪', '😫', '🥱', '😴', '😌', '😛', '😜', '😝',
+      '🤤', '😒', '😓', '😔', '😕', '🙃', '🤑', '😲', '☹️', '🙁',
+      '😖', '😞', '😟', '😤', '😢', '😭', '😦', '😧', '😨', '😩',
+      '🤯', '😬', '😰', '😱', '🥵', '🥶', '😳', '🤪', '😵', '🥴',
+      '😠', '😡', '🤬', '😷', '🤒', '🤕', '🤢', '🤮', '🤧', '😇',
+    ],
+  },
+  {
+    key: 'gesture',
+    label: '手势',
+    emojis: [
+      '👍', '👎', '👌', '✌️', '🤞', '🤟', '🤘', '🤙', '👈', '👉',
+      '👆', '👇', '☝️', '✋', '🤚', '🖐', '🖖', '👋', '🤝', '👏',
+      '🙌', '👐', '🤲', '🙏', '💪', '🦾', '✍️', '💅', '🤳', '💃',
+    ],
+  },
+  {
+    key: 'heart',
+    label: '符号',
+    emojis: [
+      '❤️', '🧡', '💛', '💚', '💙', '💜', '🖤', '🤍', '🤎', '💔',
+      '❣️', '💕', '💞', '💓', '💗', '💖', '💘', '💝', '💟', '☮️',
+      '✅', '❌', '⭐', '🌟', '💫', '✨', '🔥', '💯', '🎉', '🎊',
+      '💐', '🌹', '🌺', '🌸', '🌼', '🌻', '🍀', '🌈', '☀️', '🌙',
+    ],
+  },
+  {
+    key: 'work',
+    label: '工作',
+    emojis: [
+      '📦', '📋', '📌', '📍', '📎', '🔗', '📝', '✏️', '📂', '📁',
+      '💼', '💻', '🖥️', '📱', '☎️', '📞', '📧', '📨', '📩', '🕐',
+      '⏰', '📅', '📊', '📈', '📉', '💡', '🔍', '🛠️', '⚙️', '🛒',
+    ],
+  },
+]
+
+export interface EmojiPickerProps {
+  onSelect: (emoji: string) => void
+  disabled?: boolean
+  /** 触发按钮 className */
+  className?: string
+  title?: string
+  /** 弹出方向 */
+  placement?: 'topLeft' | 'top' | 'topRight' | 'bottomLeft' | 'bottom' | 'bottomRight'
+}
+
+/**
+ * 轻量表情选择器：点击插入 Unicode 表情到输入框，无需后端改造。
+ */
+const EmojiPicker = ({
+  onSelect,
+  disabled = false,
+  className = 'w-8 h-8 rounded-md flex items-center justify-center text-neutral-500 hover:bg-neutral-100 disabled:opacity-40',
+  title = '表情',
+  placement = 'topLeft',
+}: EmojiPickerProps) => {
+  const [open, setOpen] = useState(false)
+  const [activeGroup, setActiveGroup] = useState(EMOJI_GROUPS[0].key)
+
+  const group = EMOJI_GROUPS.find(g => g.key === activeGroup) || EMOJI_GROUPS[0]
+
+  const panel = (
+    <div className="w-[272px] max-w-[calc(100vw-32px)] overflow-hidden">
+      <div className="flex gap-1 mb-2 border-b border-neutral-100 pb-2">
+        {EMOJI_GROUPS.map(g => (
+          <button
+            key={g.key}
+            type="button"
+            onClick={() => setActiveGroup(g.key)}
+            className={`flex-1 min-w-0 text-xs py-1 rounded-md transition-colors ${
+              activeGroup === g.key
+                ? 'bg-blue-50 text-blue-600 font-medium'
+                : 'text-neutral-500 hover:bg-neutral-50'
+            }`}
+          >
+            {g.label}
+          </button>
+        ))}
+      </div>
+      {/* 仅纵向滚动，禁止横向进度条 */}
+      <div className="grid grid-cols-8 gap-0.5 max-h-[200px] overflow-y-auto overflow-x-hidden overscroll-contain">
+        {group.emojis.map((emoji, i) => (
+          <button
+            key={`${group.key}-${i}`}
+            type="button"
+            className="aspect-square w-full min-w-0 text-base leading-none rounded hover:bg-neutral-100 flex items-center justify-center p-0"
+            onClick={() => {
+              onSelect(emoji)
+              setOpen(false)
+            }}
+          >
+            {emoji}
+          </button>
+        ))}
+      </div>
+    </div>
+  )
+
+  return (
+    <Popover
+      open={open && !disabled}
+      onOpenChange={v => { if (!disabled) setOpen(v) }}
+      content={panel}
+      trigger="click"
+      placement={placement}
+      arrow={false}
+    >
+      <button
+        type="button"
+        className={className}
+        title={title}
+        aria-label={title}
+        disabled={disabled}
+      >
+        <SmileOutlined />
+      </button>
+    </Popover>
+  )
+}
+
+export default EmojiPicker
+
+/** 在 textarea/input 光标处插入文本，并返回新值与光标位置 */
+export function insertAtCursor(
+  el: HTMLTextAreaElement | HTMLInputElement | null,
+  value: string,
+  insert: string,
+): { next: string; cursor: number } {
+  if (!el) {
+    return { next: value + insert, cursor: value.length + insert.length }
+  }
+  const start = el.selectionStart ?? value.length
+  const end = el.selectionEnd ?? value.length
+  const next = value.slice(0, start) + insert + value.slice(end)
+  const cursor = start + insert.length
+  return { next, cursor }
+}

web/src/pages/agent/Dashboard.tsx

@@ -2,9 +2,10 @@ import { useState, useEffect, useRef, useCallback } from 'react'
 import { Button, Dropdown, Input, Modal, Select, Spin, message as antMsg, Popover } from 'antd'
 import {
   CheckCircleOutlined, FileTextOutlined, FlagOutlined, PaperClipOutlined,
-  SearchOutlined, SendOutlined, SmileOutlined, SwapOutlined, FilterOutlined,
+  SearchOutlined, SendOutlined, SwapOutlined, FilterOutlined,
   ExportOutlined, BookOutlined, PictureOutlined,
 } from '@ant-design/icons'
+import EmojiPicker, { insertAtCursor } from '@/components/common/EmojiPicker'
 import { useAuth } from '@/stores/auth'
 import {
   addSessionNote, claimSession, endSession, getAvailableAgents, getCustomers, getKnowledgeEntries,
@@ -66,6 +67,24 @@ function channelLabel(source?: string) {
   return source.length > 6 ? '网页' : source
 }
 
+/** 从 UA 摘要设备信息，与后端 summarizeUserAgent 逻辑对齐 */
+function summarizeDevice(ua?: string) {
+  if (!ua) return ''
+  let browser = '浏览器'
+  let osName = '未知系统'
+  if (ua.includes('Edg/')) browser = 'Edge'
+  else if (ua.includes('Chrome/') && !ua.includes('Edg/')) browser = 'Chrome'
+  else if (ua.includes('Firefox/')) browser = 'Firefox'
+  else if (ua.includes('Safari/') && !ua.includes('Chrome/')) browser = 'Safari'
+  else if (ua.includes('MicroMessenger')) browser = '微信'
+  if (ua.includes('Windows')) osName = 'Windows'
+  else if (ua.includes('Mac OS X') || ua.includes('Macintosh')) osName = 'macOS'
+  else if (ua.includes('Android')) osName = 'Android'
+  else if (ua.includes('iPhone') || ua.includes('iPad')) osName = 'iOS'
+  else if (ua.includes('Linux')) osName = 'Linux'
+  return `${browser} / ${osName}`
+}
+
 interface SessionDetail {
   messages: Message[]
   events: SessionEvent[]
@@ -103,10 +122,23 @@ const Dashboard = () => {
   const initialLoad = useRef(true)
   const chatEndRef = useRef<HTMLDivElement>(null)
   const fileInputRef = useRef<HTMLInputElement>(null)
+  const messageInputRef = useRef<HTMLTextAreaElement>(null)
   const socketRef = useRef<WebSocket | null>(null)
   const lastTypingAt = useRef(0)
   const visitorTypingTimer = useRef<number | null>(null)
 
+  const insertEmoji = (emoji: string) => {
+    const { next, cursor } = insertAtCursor(messageInputRef.current, messageInput, emoji)
+    setMessageInput(next)
+    emitTyping()
+    requestAnimationFrame(() => {
+      const el = messageInputRef.current
+      if (!el) return
+      el.focus()
+      el.setSelectionRange(cursor, cursor)
+    })
+  }
+
   const isManager = user?.role === 'admin' || user?.role === 'supervisor'
 
   const loadAll = useCallback(async () => {
@@ -590,9 +622,19 @@ const Dashboard = () => {
                       {selectedCustomer.status === 'online' ? '在线' : selectedCustomer.status === 'busy' ? '忙碌' : '离线'}
                     </span>
                   </div>
-                  <div className="flex items-center gap-2 mt-0.5 text-xs text-neutral-400">
+                  <div className="flex items-center gap-2 mt-0.5 text-xs text-neutral-400 flex-wrap">
-                    <span className="truncate">会话 #{selected.id}</span>
+                    {selected.visitor_ip ? (
-                    {selectedCustomer.source && (
+                      <span className="truncate">IP: {selected.visitor_ip}</span>
+                    ) : (
+                      <span className="truncate">会话 #{selected.id}</span>
+                    )}
+                    {selected.visitor_region && (
+                      <>
+                        <span>|</span>
+                        <span className="truncate">{selected.visitor_region}</span>
+                      </>
+                    )}
+                    {!selected.visitor_ip && selectedCustomer.source && (
                       <>
                         <span>|</span>
                         <span className="truncate">{selectedCustomer.source}</span>
@@ -711,9 +753,7 @@ const Dashboard = () => {
               ) : (
                 <>
                   <div className="flex items-center gap-1 px-4 pt-2.5 pb-1">
-                    <button type="button" className="w-8 h-8 rounded-md flex items-center justify-center text-neutral-500 hover:bg-neutral-100" title="表情">
+                    <EmojiPicker onSelect={insertEmoji} disabled={!canOperate} />
-                      <SmileOutlined />
-                    </button>
                     <button type="button" className="w-8 h-8 rounded-md flex items-center justify-center text-neutral-500 hover:bg-neutral-100" title="图片" onClick={() => fileInputRef.current?.click()}>
                       <PictureOutlined />
                     </button>
@@ -740,36 +780,34 @@ const Dashboard = () => {
                     </button>
                   </div>
                   <div className="flex items-end gap-2.5 px-4 pb-3 pt-1">
-                    <div className="flex-1 min-w-0 rounded-lg px-3.5 py-2.5 bg-neutral-50 border border-neutral-200">
+                    <textarea
-                      <Input.TextArea
+                      ref={messageInputRef}
-                        autoSize={{ minRows: 1, maxRows: 4 }}
+                      rows={3}
-                        variant="borderless"
+                      className="flex-1 min-w-0 min-h-[88px] max-h-[160px] rounded-xl px-3.5 py-3 bg-neutral-50 border border-neutral-200 text-sm leading-6 text-neutral-800 placeholder:text-neutral-400 outline-none resize-y focus:border-[#2563eb] transition-colors"
-                        className="!bg-transparent !p-0 text-sm"
+                      placeholder="输入回复内容… Enter 发送，Shift+Enter 换行"
-                        placeholder="输入回复内容… Enter 发送，Shift+Enter 换行"
+                      value={messageInput}
-                        value={messageInput}
+                      onChange={event => { setMessageInput(event.target.value); emitTyping() }}
-                        onChange={event => { setMessageInput(event.target.value); emitTyping() }}
+                      onPaste={event => {
-                        onPaste={event => {
+                        const image = Array.from(event.clipboardData.items).find(item => item.type.startsWith('image/'))
-                          const image = Array.from(event.clipboardData.items).find(item => item.type.startsWith('image/'))
+                        if (image) {
-                          if (image) {
+                          event.preventDefault()
-                            event.preventDefault()
+                          handleImage(image.getAsFile() || undefined)
-                            handleImage(image.getAsFile() || undefined)
+                        }
-                          }
+                      }}
-                        }}
+                      onKeyDown={event => {
-                        onKeyDown={event => {
+                        if (event.key === 'Enter' && !event.shiftKey) {
-                          if (event.key === 'Enter' && !event.shiftKey) {
+                          event.preventDefault()
-                            event.preventDefault()
+                          sendMessage(messageInput)
-                            sendMessage(messageInput)
+                        }
-                          }
+                      }}
-                        }}
+                    />
-                      />
-                    </div>
                     <button
                       type="button"
                       disabled={!messageInput.trim() || sending}
                       onClick={() => sendMessage(messageInput)}
-                      className="w-10 h-10 rounded-lg bg-[#2563eb] hover:bg-[#1d4ed8] disabled:opacity-40 text-white flex items-center justify-center shrink-0 shadow-sm"
+                      className="w-11 h-11 rounded-xl bg-[#2563eb] hover:bg-[#1d4ed8] disabled:opacity-40 text-white flex items-center justify-center shrink-0 shadow-sm"
                     >
-                      {sending ? <Spin size="small" /> : <SendOutlined />}
+                      {sending ? <Spin size="small" /> : <SendOutlined className="text-base" />}
                     </button>
                   </div>
                 </>
@@ -838,6 +876,14 @@ const Dashboard = () => {
                     <span className="shrink-0 text-neutral-400 min-w-12">对话</span>
                     <span className="truncate text-neutral-800">{selectedCustomer.conversation_count} 次</span>
                   </div>
+                  <div className="flex items-start gap-2">
+                    <span className="shrink-0 text-neutral-400 min-w-12">地区</span>
+                    <span className="truncate text-neutral-800">{selected?.visitor_region || '—'}</span>
+                  </div>
+                  <div className="flex items-start gap-2">
+                    <span className="shrink-0 text-neutral-400 min-w-12">IP</span>
+                    <span className="truncate text-neutral-800 font-mono text-xs">{selected?.visitor_ip || '—'}</span>
+                  </div>
                 </div>
               </div>
 
@@ -865,6 +911,10 @@ const Dashboard = () => {
                     <span className="shrink-0 text-neutral-400 min-w-12">来源</span>
                     <span className="text-neutral-800">{selectedCustomer.source || '直接访问'}</span>
                   </div>
+                  <div className="flex items-start gap-2">
+                    <span className="shrink-0 text-neutral-400 min-w-12">设备</span>
+                    <span className="text-neutral-800">{summarizeDevice(selected?.user_agent) || '—'}</span>
+                  </div>
                 </div>
               </div>
 

web/src/services/api.ts

@@ -8,6 +8,9 @@ export interface Session {
   status: string; priority: string; unread_count: number; satisfaction_score: number | null
   last_message?: string; last_message_at?: string | null
   satisfaction_text?: string
+  visitor_ip?: string
+  visitor_region?: string
+  user_agent?: string
   created_at: string; ended_at: string | null
 }
 

web/src/widgets/VisitorChat.tsx

@@ -1,8 +1,9 @@
 import { useState, useEffect, useRef, useCallback, useMemo } from 'react'
 import {
-  CloseOutlined, MessageOutlined, SmileOutlined, SendOutlined,
+  CloseOutlined, MessageOutlined, SendOutlined,
   StarFilled, MinusOutlined, PictureOutlined, CustomerServiceOutlined,
 } from '@ant-design/icons'
+import EmojiPicker, { insertAtCursor } from '@/components/common/EmojiPicker'
 
 interface Message {
   id: number
@@ -68,9 +69,22 @@ const VisitorChat = ({
   const typingTimerRef = useRef<number | null>(null)
   const chatEndRef = useRef<HTMLDivElement>(null)
   const fileInputRef = useRef<HTMLInputElement>(null)
+  const textInputRef = useRef<HTMLInputElement>(null)
   const socketRef = useRef<WebSocket | null>(null)
   const lastTypingAt = useRef(0)
 
+  const insertEmoji = (emoji: string) => {
+    const { next, cursor } = insertAtCursor(textInputRef.current, input, emoji)
+    setInput(next)
+    if (agentsOnline) emitTyping()
+    requestAnimationFrame(() => {
+      const el = textInputRef.current
+      if (!el) return
+      el.focus()
+      el.setSelectionRange(cursor, cursor)
+    })
+  }
+
   const loadMessages = useCallback(async (sid?: number, token?: string) => {
     const s = sid || sessionId
     const visitorCredential = token || visitorToken || localStorage.getItem(tokenKey) || ''
@@ -536,9 +550,12 @@ const VisitorChat = ({
             >
               <PictureOutlined className="text-base" />
             </button>
-            <button type="button" className="w-8 h-8 rounded-md border-0 bg-transparent cursor-pointer flex items-center justify-center text-neutral-400 hover:bg-neutral-50" aria-label="表情">
+            <EmojiPicker
-              <SmileOutlined className="text-base" />
+              onSelect={insertEmoji}
-            </button>
+              disabled={sessionEnded || !sessionId || sending}
+              className="w-8 h-8 rounded-md border-0 bg-transparent cursor-pointer flex items-center justify-center text-neutral-400 hover:bg-neutral-50 disabled:opacity-40"
+              placement="topLeft"
+            />
             <input
               ref={fileInputRef}
               type="file"
@@ -551,6 +568,7 @@ const VisitorChat = ({
 
         <div className="flex items-center gap-2">
           <input
+            ref={textInputRef}
             className="flex-1 min-w-0 h-10 px-3 rounded-xl border border-neutral-200 bg-neutral-50 text-[13px] text-neutral-800 outline-none focus:border-[#2563eb]"
             placeholder={
               sessionEnded