diff --git a/server/cmd/seed/main.go b/server/cmd/seed/main.go
index 4d7b597..2b87447 100644
--- a/server/cmd/seed/main.go
+++ b/server/cmd/seed/main.go
@@ -19,7 +19,8 @@ func main() {
 }
 
 func seed() {
-	hash, _ := bcrypt.GenerateFromPassword([]byte("password123"), bcrypt.DefaultCost)
+	// 默认后台管理员：kefu_admin / kefu_admin123（其它种子账号同密码）
+	hash, _ := bcrypt.GenerateFromPassword([]byte("kefu_admin123"), bcrypt.DefaultCost)
 	pwd := string(hash)
 
 	// Plans
@@ -48,7 +49,7 @@ func seed() {
 
 	// Tenant 1 users
 	model.DB.Create(&model.User{
-		TenantID: tenants[0].ID, Role: "admin", Username: "admin", PasswordHash: pwd, Nickname: "赵总(管理员)", Status: "online",
+		TenantID: tenants[0].ID, Role: "admin", Username: "kefu_admin", PasswordHash: pwd, Nickname: "赵总(管理员)", Status: "online",
 	})
 	model.DB.Create(&model.User{
 		TenantID: tenants[0].ID, Role: "supervisor", Username: "supervisor", PasswordHash: pwd, Nickname: "客服主管", Status: "online",
@@ -146,6 +147,9 @@ func seed() {
 		{Title: "系统维护通知", Content: "平台将于7月20日 02:00-04:00 进行例行维护", Status: "published"},
 		{Title: "新功能上线", Content: "知识库批量导入功能已上线", Status: "published"},
 	})
+
+	log.Println("默认租户管理员: kefu_admin / kefu_admin123")
+	log.Println("其它种子账号密码均为: kefu_admin123")
 }
 
 func ptr[T any](v T) *T { return &v }
diff --git a/server/internal/handler/admin.go b/server/internal/handler/admin.go
index abe9aeb..c27ee7c 100644
--- a/server/internal/handler/admin.go
+++ b/server/internal/handler/admin.go
@@ -176,7 +176,7 @@ func (h *AdminHandler) CreateTenant(c *gin.Context) {
 	}
 	password := req.AdminPassword
 	if password == "" {
-		password = "password123"
+		password = "kefu_admin123"
 	}
 	hash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
 	if err != nil {
diff --git a/server/internal/handler/router.go b/server/internal/handler/router.go
index 18b01c4..d468a61 100644
--- a/server/internal/handler/router.go
+++ b/server/internal/handler/router.go
@@ -54,9 +54,11 @@ func SetupRoutes(r *gin.Engine, store storage.ObjectStorage, storageCfg config.S
 		sessions.GET("", session.List)
 		sessions.GET("/:id", session.Get)
 		sessions.POST("", session.Create)
+		sessions.POST("/batch-archive", session.BatchArchive)
 		sessions.POST("/:id/assign", session.Assign)
 		sessions.POST("/:id/transfer", session.Transfer)
 		sessions.POST("/:id/end", session.End)
+		sessions.POST("/:id/archive", session.Archive)
 		sessions.PUT("/:id/priority", session.UpdatePriority)
 		sessions.POST("/:id/messages", session.SendMessage)
 		sessions.POST("/:id/read", session.MarkRead)
diff --git a/server/internal/handler/session.go b/server/internal/handler/session.go
index cdbc9c7..6c2c602 100644
--- a/server/internal/handler/session.go
+++ b/server/internal/handler/session.go
@@ -27,6 +27,11 @@ type SessionListItem struct {
 	UnreadCount   int        `json:"unread_count"`
 	LastMessage   string     `json:"last_message"`
 	LastMessageAt *time.Time `json:"last_message_at,omitempty"`
+	MessageCount  int        `json:"message_count"`
+	CustomerName  string     `json:"customer_name"`
+	AgentName     string     `json:"agent_name"`
+	ChannelName   string     `json:"channel_name"`
+	ChannelType   string     `json:"channel_type"`
 }
 
 type CreateNoteReq struct {
@@ -169,33 +174,125 @@ func (h *SessionHandler) List(c *gin.Context) {
 	page, pageSize := middleware.GetPageParams(c)
 	status := c.Query("status")
 	priority := c.Query("priority")
+	agentID := c.Query("agent_id")
+	channelID := c.Query("channel_id")
+	search := strings.TrimSpace(c.Query("search"))
+	from := c.Query("from")
+	to := c.Query("to")
 
 	var sessions []model.Session
 	var total int64
 
-	query := model.DB.Where("tenant_id = ?", tenantID)
+	query := model.DB.Model(&model.Session{}).Where("sessions.tenant_id = ?", tenantID)
 	if middleware.GetRole(c) == "agent" {
-		query = query.Where("agent_id = ? OR status = ?", middleware.GetUserID(c), "waiting")
+		query = query.Where("sessions.agent_id = ? OR sessions.status = ?", middleware.GetUserID(c), "waiting")
 	}
 	if status != "" {
-		query = query.Where("status = ?", status)
+		query = query.Where("sessions.status = ?", status)
 	}
 	if priority != "" {
-		query = query.Where("priority = ?", priority)
+		query = query.Where("sessions.priority = ?", priority)
+	}
+	if agentID != "" {
+		query = query.Where("sessions.agent_id = ?", agentID)
+	}
+	if channelID != "" {
+		query = query.Where("sessions.channel_id = ?", channelID)
+	}
+	if from != "" {
+		if t, err := time.ParseInLocation("2006-01-02", from, time.Local); err == nil {
+			query = query.Where("sessions.created_at >= ?", t)
+		}
+	}
+	if to != "" {
+		if t, err := time.ParseInLocation("2006-01-02", to, time.Local); err == nil {
+			query = query.Where("sessions.created_at < ?", t.Add(24*time.Hour))
+		}
+	}
+	if search != "" {
+		like := "%" + search + "%"
+		query = query.Joins("LEFT JOIN customers ON customers.id = sessions.customer_id").
+			Where("customers.name LIKE ? OR CAST(sessions.id AS TEXT) LIKE ? OR COALESCE(sessions.end_reason, '') LIKE ?", like, like, like)
 	}
 
-	query.Model(&model.Session{}).Count(&total)
-	if err := query.Order("created_at desc").Offset((page - 1) * pageSize).Limit(pageSize).Find(&sessions).Error; err != nil {
+	query.Count(&total)
+	if err := query.Order("sessions.created_at desc").Offset((page - 1) * pageSize).Limit(pageSize).Find(&sessions).Error; err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "查询会话失败"})
 		return
 	}
 
+	// 批量补全客户 / 客服 / 渠道 / 消息数
+	customerIDs := make([]uint, 0)
+	agentIDs := make([]uint, 0)
+	channelIDs := make([]uint, 0)
+	sessionIDs := make([]uint, 0, len(sessions))
+	for _, s := range sessions {
+		sessionIDs = append(sessionIDs, s.ID)
+		customerIDs = append(customerIDs, s.CustomerID)
+		channelIDs = append(channelIDs, s.ChannelID)
+		if s.AgentID != nil {
+			agentIDs = append(agentIDs, *s.AgentID)
+		}
+	}
+	customerMap := map[uint]model.Customer{}
+	if len(customerIDs) > 0 {
+		var customers []model.Customer
+		model.DB.Where("id IN ?", uniqueUint(customerIDs)).Find(&customers)
+		for _, cu := range customers {
+			customerMap[cu.ID] = cu
+		}
+	}
+	agentMap := map[uint]model.User{}
+	if len(agentIDs) > 0 {
+		var users []model.User
+		model.DB.Where("id IN ?", uniqueUint(agentIDs)).Find(&users)
+		for _, u := range users {
+			agentMap[u.ID] = u
+		}
+	}
+	channelMap := map[uint]model.Channel{}
+	if len(channelIDs) > 0 {
+		var channels []model.Channel
+		model.DB.Where("id IN ?", uniqueUint(channelIDs)).Find(&channels)
+		for _, ch := range channels {
+			channelMap[ch.ID] = ch
+		}
+	}
+	msgCountMap := map[uint]int{}
+	if len(sessionIDs) > 0 {
+		type row struct {
+			SessionID uint
+			Cnt       int
+		}
+		var rows []row
+		model.DB.Model(&model.Message{}).
+			Select("session_id, COUNT(*) as cnt").
+			Where("session_id IN ?", sessionIDs).
+			Group("session_id").
+			Scan(&rows)
+		for _, r := range rows {
+			msgCountMap[r.SessionID] = r.Cnt
+		}
+	}
+
 	items := make([]SessionListItem, 0, len(sessions))
 	for _, session := range sessions {
-		item := SessionListItem{Session: session}
+		item := SessionListItem{Session: session, MessageCount: msgCountMap[session.ID]}
 		if middleware.GetRole(c) == "agent" && session.AgentID != nil && *session.AgentID == middleware.GetUserID(c) {
 			item.UnreadCount = unreadCount(session)
 		}
+		if cu, ok := customerMap[session.CustomerID]; ok {
+			item.CustomerName = cu.Name
+		}
+		if session.AgentID != nil {
+			if u, ok := agentMap[*session.AgentID]; ok {
+				item.AgentName = u.Nickname
+			}
+		}
+		if ch, ok := channelMap[session.ChannelID]; ok {
+			item.ChannelName = ch.Name
+			item.ChannelType = ch.Type
+		}
 		var lastMsg model.Message
 		if err := model.DB.Where("session_id = ?", session.ID).Order("seq desc").First(&lastMsg).Error; err == nil {
 			if lastMsg.Type == "image" {
@@ -216,6 +313,22 @@ func (h *SessionHandler) List(c *gin.Context) {
 	middleware.JSONList(c, items, total, page, pageSize)
 }
 
+func uniqueUint(ids []uint) []uint {
+	seen := make(map[uint]struct{}, len(ids))
+	out := make([]uint, 0, len(ids))
+	for _, id := range ids {
+		if id == 0 {
+			continue
+		}
+		if _, ok := seen[id]; ok {
+			continue
+		}
+		seen[id] = struct{}{}
+		out = append(out, id)
+	}
+	return out
+}
+
 func (h *SessionHandler) Get(c *gin.Context) {
 	id := c.Param("id")
 
@@ -299,10 +412,14 @@ func (h *SessionHandler) ListAvailableAgents(c *gin.Context) {
 		Nickname string `json:"nickname"`
 		Status   string `json:"status"`
 	}
+	// all=1 返回租户全部坐席（含离线），用于对话记录筛选；默认仅在线（工作台转接）
+	q := model.DB.Where("tenant_id = ? AND role IN ?", middleware.GetTenantID(c), []string{"agent", "supervisor", "admin"})
+	if c.Query("all") != "1" {
+		q = q.Where("role = ? AND status = ?", "agent", "online")
+	}
 	var users []model.User
-	if err := model.DB.Where("tenant_id = ? AND role = ? AND status = ?", middleware.GetTenantID(c), "agent", "online").
-		Order("nickname asc").Find(&users).Error; err != nil {
-		c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "查询在线客服失败"})
+	if err := q.Order("nickname asc").Find(&users).Error; err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "查询客服失败"})
 		return
 	}
 	items := make([]agentItem, 0, len(users))
@@ -523,3 +640,71 @@ func (h *SessionHandler) UpdatePriority(c *gin.Context) {
 
 	middleware.JSON(c, gin.H{"message": "已更新"})
 }
+
+// Archive 将已结束会话归档（主管/管理员）
+func (h *SessionHandler) Archive(c *gin.Context) {
+	if !isTenantManager(c) {
+		c.JSON(http.StatusForbidden, gin.H{"code": 403, "message": "仅主管或管理员可归档"})
+		return
+	}
+	session, ok := loadTenantSession(c, c.Param("id"))
+	if !ok {
+		return
+	}
+	if session.Status != "ended" {
+		c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "仅已结束的会话可归档"})
+		return
+	}
+	result := model.DB.Model(&model.Session{}).
+		Where("id = ? AND tenant_id = ? AND status = ?", session.ID, session.TenantID, "ended").
+		Update("status", "archived")
+	if result.Error != nil || result.RowsAffected == 0 {
+		c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "归档失败"})
+		return
+	}
+	model.DB.Create(&model.SessionEvent{
+		SessionID:  session.ID,
+		OperatorID: middleware.GetUserID(c),
+		Action:     "archive",
+		Detail:     "会话已归档",
+	})
+	session.Status = "archived"
+	broadcastSessionUpdate(session)
+	middleware.JSON(c, gin.H{"message": "已归档", "session": session})
+}
+
+// BatchArchive 批量归档已结束会话
+func (h *SessionHandler) BatchArchive(c *gin.Context) {
+	if !isTenantManager(c) {
+		c.JSON(http.StatusForbidden, gin.H{"code": 403, "message": "仅主管或管理员可归档"})
+		return
+	}
+	var req struct {
+		IDs []uint `json:"ids" binding:"required"`
+	}
+	if err := c.ShouldBindJSON(&req); err != nil || len(req.IDs) == 0 {
+		c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "请选择要归档的会话"})
+		return
+	}
+	if len(req.IDs) > 100 {
+		c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "单次最多归档 100 条"})
+		return
+	}
+	tenantID := middleware.GetTenantID(c)
+	result := model.DB.Model(&model.Session{}).
+		Where("tenant_id = ? AND status = ? AND id IN ?", tenantID, "ended", req.IDs).
+		Update("status", "archived")
+	if result.Error != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "批量归档失败"})
+		return
+	}
+	for _, id := range req.IDs {
+		model.DB.Create(&model.SessionEvent{
+			SessionID:  id,
+			OperatorID: middleware.GetUserID(c),
+			Action:     "archive",
+			Detail:     "会话已归档",
+		})
+	}
+	middleware.JSON(c, gin.H{"message": "已归档", "count": result.RowsAffected})
+}
diff --git a/web/src/pages/Login.tsx b/web/src/pages/Login.tsx
index e4d6538..be809ec 100644
--- a/web/src/pages/Login.tsx
+++ b/web/src/pages/Login.tsx
@@ -35,10 +35,10 @@ const Login = () => {
         </div>
         <Form form={form} layout="vertical" onFinish={onFinish} autoComplete="off">
           <Form.Item name="username" label="用户名" rules={[{ required: true, message: '请输入用户名' }]}>
-            <Input placeholder="admin / agent1" size="large" />
+            <Input placeholder="kefu_admin" size="large" />
           </Form.Item>
           <Form.Item name="password" label="密码" rules={[{ required: true, message: '请输入密码' }]}>
-            <Input.Password placeholder="password123" size="large" />
+            <Input.Password placeholder="kefu_admin123" size="large" />
           </Form.Item>
           <Form.Item>
             <Button type="primary" htmlType="submit" block size="large" loading={loading}>
diff --git a/web/src/pages/agent/ChatHistory.tsx b/web/src/pages/agent/ChatHistory.tsx
index 8225b6c..b1ba86b 100644
--- a/web/src/pages/agent/ChatHistory.tsx
+++ b/web/src/pages/agent/ChatHistory.tsx
@@ -1,48 +1,185 @@
-import { useState, useEffect, useMemo } from 'react'
-import { Input, Select, Tag, Empty, Spin } from 'antd'
-import { SearchOutlined, UserOutlined } from '@ant-design/icons'
+import { useState, useEffect, useMemo, useCallback, type MouseEvent } from 'react'
+import { Empty, Spin, Select, DatePicker, message, Pagination, Checkbox } from 'antd'
 import {
-  getCustomers, getSession, getSessions,
-  type Customer, type Message, type Session, type SessionEvent,
+  SearchOutlined, DownloadOutlined, InboxOutlined, CloseOutlined,
+  UserOutlined, ClockCircleOutlined, MessageOutlined, FieldTimeOutlined,
+  StarFilled, StarOutlined,
+} from '@ant-design/icons'
+import dayjs, { type Dayjs } from 'dayjs'
+import {
+  archiveSession, batchArchiveSessions, getAvailableAgents, getChannels, getSession, getSessions,
+  type AvailableAgent, type Channel, type Message, type Session, type SessionEvent,
 } from '@/services/api'
 import { ChatImage } from '@/components/common/ImagePreview'
+import { useAuth } from '@/stores/auth'
 
-const statusColors: Record<string, string> = {
-  active: 'blue', waiting: 'orange', ended: 'green', archived: 'default',
+const { RangePicker } = DatePicker
+
+const statusMeta: Record<string, { label: string; bg: string; color: string }> = {
+  waiting: { label: '等待中', bg: '#fffbeb', color: '#d97706' },
+  active: { label: '进行中', bg: '#dbeafe', color: '#2563eb' },
+  ended: { label: '已结束', bg: '#f1f5f9', color: '#64748b' },
+  archived: { label: '已归档', bg: '#f1f5f9', color: '#64748b' },
 }
-const statusLabels: Record<string, string> = {
-  active: '进行中', ended: '已结束', waiting: '等待中', archived: '已归档',
+
+const endReasonMeta: Record<string, { label: string; bg: string; color: string }> = {
+  resolved: { label: '已解决', bg: '#f0fdf4', color: '#16a34a' },
+  no_response: { label: '无人回复', bg: '#fffbeb', color: '#d97706' },
+  visitor_left: { label: '访客离开', bg: '#f1f5f9', color: '#64748b' },
+  transferred: { label: '已转接', bg: '#ecfeff', color: '#0891b2' },
+  other: { label: '其他', bg: '#f1f5f9', color: '#64748b' },
 }
-const priorityLabels: Record<string, string> = { urgent: '紧急', normal: '普通' }
+
+const channelStyle: Record<string, { bg: string; color: string; label: string }> = {
+  web: { bg: '#ecfeff', color: '#0891b2', label: '网页' },
+  website: { bg: '#ecfeff', color: '#0891b2', label: '网页' },
+  wechat: { bg: '#eff6ff', color: '#2563eb', label: '微信' },
+  app: { bg: '#f0fdf4', color: '#16a34a', label: 'APP' },
+  phone: { bg: '#fffbeb', color: '#d97706', label: '电话' },
+  widget: { bg: '#ecfeff', color: '#0891b2', label: '网页' },
+}
+
+const avatarPalettes = [
+  { bg: '#dbeafe', color: '#2563eb' },
+  { bg: '#ecfeff', color: '#0891b2' },
+  { bg: '#fef2f2', color: '#dc2626' },
+  { bg: '#fffbeb', color: '#d97706' },
+  { bg: '#f0fdf4', color: '#16a34a' },
+  { bg: '#f3e8ff', color: '#7c3aed' },
+]
+
+function avatarPalette(key: string) {
+  let h = 0
+  for (let i = 0; i < key.length; i++) h = key.charCodeAt(i) + ((h << 5) - h)
+  return avatarPalettes[Math.abs(h) % avatarPalettes.length]
+}
+
+function formatDuration(start?: string | null, end?: string | null, status?: string) {
+  if (!start) return '—'
+  if (!end && (status === 'active' || status === 'waiting')) return '进行中'
+  const endMs = end ? new Date(end).getTime() : Date.now()
+  const mins = Math.max(1, Math.round((endMs - new Date(start).getTime()) / 60000))
+  if (mins < 60) return `${mins}分钟`
+  const h = Math.floor(mins / 60)
+  const m = mins % 60
+  return m ? `${h}小时${m}分` : `${h}小时`
+}
+
+function formatRange(start?: string | null, end?: string | null) {
+  if (!start) return '—'
+  const s = dayjs(start)
+  if (!end) return `${s.format('MM-DD HH:mm')} 开始`
+  const e = dayjs(end)
+  if (s.isSame(e, 'day')) return `${s.format('MM-DD HH:mm')} ~ ${e.format('HH:mm')}`
+  return `${s.format('MM-DD HH:mm')} ~ ${e.format('MM-DD HH:mm')}`
+}
+
+function formatTime(iso?: string | null) {
+  if (!iso) return ''
+  return dayjs(iso).format('HH:mm')
+}
+
+function formatDateTime(iso?: string | null) {
+  if (!iso) return '—'
+  return dayjs(iso).format('YYYY-MM-DD HH:mm')
+}
+
+function channelLabel(s: Session) {
+  const t = (s.channel_type || '').toLowerCase()
+  if (channelStyle[t]) return channelStyle[t]
+  if (s.channel_name) return { bg: '#f1f5f9', color: '#64748b', label: s.channel_name }
+  return { bg: '#ecfeff', color: '#0891b2', label: '网页' }
+}
+
+function satisfactionTone(score: number | null | undefined): 'good' | 'mid' | 'bad' | 'none' {
+  if (score == null || score <= 0) return 'none'
+  if (score >= 4) return 'good'
+  if (score >= 3) return 'mid'
+  return 'bad'
+}
+
+const MoodBadge = ({ score }: { score: number | null | undefined }) => {
+  const tone = satisfactionTone(score)
+  if (tone === 'none') return null
+  const bg = tone === 'good' ? '#16a34a' : tone === 'mid' ? '#94a3b8' : '#dc2626'
+  return (
+    <span
+      className="absolute -top-1 -right-1 w-4 h-4 rounded-full flex items-center justify-center text-[9px] text-white shadow-[0_0_0_2px_#fff]"
+      style={{ backgroundColor: bg }}
+      title={score ? `满意度 ${score} 分` : ''}
+    >
+      {tone === 'good' ? '☺' : tone === 'bad' ? '☹' : '·'}
+    </span>
+  )
+}
+
+const Stars = ({ score, size = 12 }: { score: number | null | undefined; size?: number }) => {
+  const n = score && score > 0 ? Math.min(5, score) : 0
+  return (
+    <span className="inline-flex items-center gap-0.5">
+      {Array.from({ length: 5 }).map((_, i) =>
+        i < n
+          ? <StarFilled key={i} style={{ fontSize: size, color: '#d97706' }} />
+          : <StarOutlined key={i} style={{ fontSize: size, color: '#e2e8f0' }} />,
+      )}
+    </span>
+  )
+}
+
+const TagChip = ({ label, bg, color }: { label: string; bg: string; color: string }) => (
+  <span
+    className="inline-flex items-center rounded px-1.5 py-0.5 text-[11px] whitespace-nowrap font-medium"
+    style={{ backgroundColor: bg, color }}
+  >
+    {label}
+  </span>
+)
 
 const ChatHistory = () => {
+  const { user } = useAuth()
+  const canArchive = user?.role === 'admin' || user?.role === 'supervisor'
+
   const [sessions, setSessions] = useState<Session[]>([])
-  const [customers, setCustomers] = useState<Record<number, Customer>>({})
+  const [total, setTotal] = useState(0)
+  const [page, setPage] = useState(1)
+  const [pageSize, setPageSize] = useState(20)
   const [loading, setLoading] = useState(true)
+
+  const [searchInput, setSearchInput] = useState('')
   const [search, setSearch] = useState('')
-  const [statusFilter, setStatusFilter] = useState<string>()
-  const [priorityFilter, setPriorityFilter] = useState<string>()
+  const [dateRange, setDateRange] = useState<[Dayjs | null, Dayjs | null] | null>(null)
+  const [statusFilter, setStatusFilter] = useState<string | undefined>()
+  const [agentFilter, setAgentFilter] = useState<number | undefined>()
+  const [channelFilter, setChannelFilter] = useState<number | undefined>()
+
+  const [agents, setAgents] = useState<AvailableAgent[]>([])
+  const [channels, setChannels] = useState<Channel[]>([])
+
   const [selectedId, setSelectedId] = useState<number | null>(null)
   const [messages, setMessages] = useState<Message[]>([])
   const [events, setEvents] = useState<SessionEvent[]>([])
   const [selectedSession, setSelectedSession] = useState<Session | null>(null)
   const [detailLoading, setDetailLoading] = useState(false)
+  const [checkedIds, setCheckedIds] = useState<number[]>([])
+  const [archiving, setArchiving] = useState(false)
 
-  useEffect(() => {
-    loadSessions()
-  }, [statusFilter, priorityFilter])
-
-  const loadSessions = async () => {
+  const loadSessions = useCallback(async () => {
     setLoading(true)
     try {
-      const [sessionRes, customerRes] = await Promise.all([
-        getSessions({ status: statusFilter, priority: priorityFilter, page: 1, pageSize: 100 }),
-        getCustomers({ page: 1, pageSize: 200 }),
-      ])
-      const list = Array.isArray(sessionRes.list) ? sessionRes.list : []
+      const res = await getSessions({
+        status: statusFilter,
+        agent_id: agentFilter,
+        channel_id: channelFilter,
+        search: search || undefined,
+        from: dateRange?.[0] ? dateRange[0].format('YYYY-MM-DD') : undefined,
+        to: dateRange?.[1] ? dateRange[1].format('YYYY-MM-DD') : undefined,
+        page,
+        pageSize,
+      })
+      const list = Array.isArray(res.list) ? res.list : []
       setSessions(list)
-      const map = Object.fromEntries((customerRes.list || []).map(c => [c.id, c]))
-      setCustomers(map)
+      setTotal(res.total || 0)
+      setCheckedIds([])
       if (list.length > 0) {
         const still = selectedId && list.some(s => s.id === selectedId)
         if (!still) setSelectedId(list[0].id)
@@ -51,10 +188,25 @@ const ChatHistory = () => {
       }
     } catch {
       setSessions([])
+      setTotal(0)
     } finally {
       setLoading(false)
     }
-  }
+  }, [statusFilter, agentFilter, channelFilter, search, dateRange, page, pageSize, selectedId])
+
+  useEffect(() => {
+    loadSessions()
+    // eslint-disable-next-line react-hooks/exhaustive-deps -- 选中项变化不重拉列表
+  }, [statusFilter, agentFilter, channelFilter, search, dateRange, page, pageSize])
+
+  useEffect(() => {
+    getAvailableAgents(false).then(res => {
+      setAgents(Array.isArray(res.data) ? res.data : [])
+    }).catch(() => setAgents([]))
+    getChannels().then(res => {
+      setChannels(Array.isArray(res.data) ? res.data : [])
+    }).catch(() => setChannels([]))
+  }, [])
 
   useEffect(() => {
     if (!selectedId) {
@@ -65,191 +217,501 @@ const ChatHistory = () => {
     }
     setDetailLoading(true)
     getSession(selectedId).then(res => {
-      setMessages(res.data.messages || [])
+      const msgs = res.data.messages || []
+      setMessages(msgs)
       setEvents(res.data.events || [])
-      setSelectedSession(res.data.session || sessions.find(s => s.id === selectedId) || null)
+      const base = sessions.find(s => s.id === selectedId)
+      const detail = res.data.session
+      const merged = detail
+        ? {
+            ...detail,
+            customer_name: base?.customer_name || detail.customer_name,
+            agent_name: base?.agent_name || detail.agent_name,
+            channel_name: base?.channel_name || detail.channel_name,
+            channel_type: base?.channel_type || detail.channel_type,
+            message_count: msgs.length,
+            last_message: base?.last_message || detail.last_message,
+          }
+        : base || null
+      setSelectedSession(merged)
+      // 回写列表消息数，避免「0条消息」与详情不一致
+      if (msgs.length > 0) {
+        setSessions(prev => prev.map(s =>
+          s.id === selectedId ? { ...s, message_count: msgs.length } : s,
+        ))
+      }
     }).catch(() => {
       setMessages([])
       setEvents([])
     }).finally(() => setDetailLoading(false))
   }, [selectedId])
 
-  const filtered = useMemo(() => {
-    const keyword = search.trim().toLowerCase()
-    return sessions.filter(s => {
-      if (!keyword) return true
-      const name = customers[s.customer_id]?.name || ''
-      return name.toLowerCase().includes(keyword)
-        || String(s.id).includes(keyword)
-        || String(s.customer_id).includes(keyword)
-        || (s.last_message || '').toLowerCase().includes(keyword)
-    })
-  }, [sessions, customers, search])
+  const selected = selectedSession || sessions.find(s => s.id === selectedId) || null
+  const customerName = selected?.customer_name || (selected ? `客户${selected.customer_id}` : '')
 
-  const selected = selectedSession || sessions.find(s => s.id === selectedId)
-  const customer = selected ? customers[selected.customer_id] : null
+  const agentNameById = useMemo(() => {
+    const map = new Map<number, string>()
+    agents.forEach(a => map.set(a.id, a.nickname))
+    return map
+  }, [agents])
+
+  const resolveAgentName = (s?: Session | null) => {
+    if (!s) return '未分配'
+    if (s.agent_name) return s.agent_name
+    if (s.agent_id && agentNameById.has(s.agent_id)) return agentNameById.get(s.agent_id)!
+    if (s.agent_id) return `客服#${s.agent_id}`
+    return '未分配'
+  }
+  const agentName = resolveAgentName(selected)
+  const msgCount = messages.length > 0 ? messages.length : (selected?.message_count ?? 0)
+
+  const handleSearch = () => {
+    setPage(1)
+    setSearch(searchInput.trim())
+  }
+
+  const toggleCheck = (id: number, e: MouseEvent) => {
+    e.stopPropagation()
+    setCheckedIds(prev => (prev.includes(id) ? prev.filter(x => x !== id) : [...prev, id]))
+  }
+
+  const handleBatchArchive = async () => {
+    if (!canArchive) {
+      message.warning('仅主管或管理员可归档')
+      return
+    }
+    const ids = checkedIds.length > 0
+      ? checkedIds
+      : sessions.filter(s => s.status === 'ended').map(s => s.id)
+    const ended = ids.filter(id => sessions.find(s => s.id === id)?.status === 'ended')
+    if (ended.length === 0) {
+      message.info('请先勾选已结束的会话')
+      return
+    }
+    setArchiving(true)
+    try {
+      const res = await batchArchiveSessions(ended)
+      message.success(`已归档 ${res.data.count} 条会话`)
+      setCheckedIds([])
+      await loadSessions()
+    } catch (e) {
+      message.error(e instanceof Error ? e.message : '归档失败')
+    } finally {
+      setArchiving(false)
+    }
+  }
+
+  const handleArchiveOne = async (id: number) => {
+    if (!canArchive) return
+    try {
+      await archiveSession(id)
+      message.success('已归档')
+      await loadSessions()
+    } catch (e) {
+      message.error(e instanceof Error ? e.message : '归档失败')
+    }
+  }
+
+  const timelineEvents = useMemo(() => {
+    const actionLabel: Record<string, string> = {
+      assign: '接入会话',
+      transfer: '转接会话',
+      end: '结束会话',
+      note: '添加备注',
+      archive: '归档会话',
+      priority: '调整优先级',
+    }
+    return events.map(ev => ({
+      ...ev,
+      label: actionLabel[ev.action] || ev.action,
+    }))
+  }, [events])
 
   return (
-    <div className="h-full flex">
-      <div className="w-[360px] flex-shrink-0 bg-white border-r border-neutral-200 flex flex-col">
-        <div className="p-3 border-b border-neutral-100 space-y-2">
-          <Input
-            prefix={<SearchOutlined />}
-            placeholder="搜索客户/会话/消息"
-            value={search}
-            onChange={e => setSearch(e.target.value)}
-            allowClear
-            size="small"
-          />
-          <div className="flex gap-2">
-            <Select
-              placeholder="状态"
-              value={statusFilter}
-              onChange={setStatusFilter}
-              allowClear
-              size="small"
-              className="flex-1"
-              options={Object.entries(statusLabels).map(([k, v]) => ({ value: k, label: v }))}
-            />
-            <Select
-              placeholder="优先级"
-              value={priorityFilter}
-              onChange={setPriorityFilter}
-              allowClear
-              size="small"
-              className="flex-1"
-              options={Object.entries(priorityLabels).map(([k, v]) => ({ value: k, label: v }))}
+    <div className="h-full flex flex-col min-h-0 bg-neutral-50 overflow-hidden">
+      {/* 顶栏 — 全宽 */}
+      <header className="shrink-0 h-14 px-6 flex items-center justify-between bg-white border-b border-neutral-200">
+        <h1 className="text-lg font-semibold text-neutral-900 m-0">对话记录</h1>
+        <div className="flex items-center gap-2">
+          <button
+            type="button"
+            className="flex items-center gap-1.5 h-8 px-3 rounded-lg text-sm text-neutral-600 border border-neutral-200 bg-white hover:bg-neutral-50 cursor-pointer"
+            onClick={() => message.info('导出功能后续版本提供')}
+          >
+            <DownloadOutlined />
+            导出
+          </button>
+          <button
+            type="button"
+            disabled={archiving}
+            className="flex items-center gap-1.5 h-8 px-3 rounded-lg text-sm text-neutral-600 border border-neutral-200 bg-white hover:bg-neutral-50 cursor-pointer disabled:opacity-50"
+            onClick={handleBatchArchive}
+          >
+            <InboxOutlined />
+            批量归档
+          </button>
+        </div>
+      </header>
+
+      {/* 筛选栏 — 全宽，左右分栏顶边对齐 */}
+      <div className="shrink-0 px-6 py-3 bg-white border-b border-neutral-200">
+        <div className="flex items-center gap-3 mb-2 flex-wrap">
+          <div className="flex items-center gap-2 flex-1 min-w-[200px] max-w-xl h-8 px-3 rounded-md border border-neutral-200 bg-white">
+            <SearchOutlined className="text-neutral-400 text-sm shrink-0" />
+            <input
+              type="text"
+              placeholder="搜索客户名称、会话内容..."
+              value={searchInput}
+              onChange={e => setSearchInput(e.target.value)}
+              onKeyDown={e => { if (e.key === 'Enter') handleSearch() }}
+              className="flex-1 min-w-0 bg-transparent border-0 outline-none text-sm text-neutral-800 placeholder:text-neutral-400"
             />
           </div>
+          <RangePicker
+            value={dateRange}
+            onChange={v => { setDateRange(v); setPage(1) }}
+            className="!h-8"
+            allowClear
+          />
+          <button
+            type="button"
+            onClick={handleSearch}
+            className="h-8 px-4 rounded-lg text-sm font-medium bg-[#2563eb] text-white border-0 cursor-pointer hover:bg-[#1d4ed8] shrink-0"
+          >
+            搜索
+          </button>
         </div>
-        <div className="flex-1 overflow-auto">
-          {loading ? (
-            <div className="flex justify-center py-10"><Spin /></div>
-          ) : filtered.map(s => {
-            const name = customers[s.customer_id]?.name || `客户${s.customer_id}`
-            return (
-              <button
-                key={s.id}
-                type="button"
-                className={`w-full text-left px-3 py-3 border-b border-neutral-50 hover:bg-neutral-50 transition-colors ${selectedId === s.id ? 'bg-blue-50' : ''}`}
-                onClick={() => setSelectedId(s.id)}
-              >
-                <div className="flex items-center justify-between gap-2">
-                  <div className="flex items-center gap-2 min-w-0">
-                    <div className="w-8 h-8 rounded-full bg-neutral-100 flex items-center justify-center flex-shrink-0 text-xs font-semibold text-neutral-500">
-                      {name.slice(0, 1)}
-                    </div>
-                    <div className="min-w-0">
-                      <div className="text-sm font-medium text-neutral-800 truncate">{name}</div>
-                      <div className="text-xs text-neutral-400 truncate">{s.last_message || `会话 #${s.id}`}</div>
-                    </div>
-                  </div>
-                  <Tag color={statusColors[s.status]} className="text-xs m-0 shrink-0">{statusLabels[s.status] || s.status}</Tag>
-                </div>
-                <div className="flex items-center justify-between mt-1.5 pl-10">
-                  <span className="text-xs text-neutral-300">{new Date(s.created_at).toLocaleString('zh-CN')}</span>
-                  {s.priority === 'urgent' && <Tag color="red" className="text-xs m-0">紧急</Tag>}
-                  {s.satisfaction_score ? <span className="text-xs text-yellow-500">{'★'.repeat(s.satisfaction_score)}</span> : null}
-                </div>
-              </button>
-            )
-          })}
-          {!loading && filtered.length === 0 && (
-            <div className="flex items-center justify-center h-40"><Empty description="暂无对话记录" /></div>
-          )}
+        <div className="flex items-center gap-3 flex-wrap">
+          <div className="flex items-center gap-1.5">
+            <span className="text-sm text-neutral-500 whitespace-nowrap">渠道:</span>
+            <Select
+              allowClear
+              placeholder="全部"
+              value={channelFilter}
+              onChange={v => { setChannelFilter(v); setPage(1) }}
+              className="!w-[120px]"
+              size="small"
+              options={channels.map(ch => ({ value: ch.id, label: ch.name || ch.type }))}
+            />
+          </div>
+          <div className="flex items-center gap-1.5">
+            <span className="text-sm text-neutral-500 whitespace-nowrap">客服:</span>
+            <Select
+              allowClear
+              placeholder="全部"
+              value={agentFilter}
+              onChange={v => { setAgentFilter(v); setPage(1) }}
+              className="!w-[120px]"
+              size="small"
+              options={agents.map(a => ({ value: a.id, label: a.nickname }))}
+            />
+          </div>
+          <div className="flex items-center gap-1.5">
+            <span className="text-sm text-neutral-500 whitespace-nowrap">状态:</span>
+            <Select
+              allowClear
+              placeholder="全部"
+              value={statusFilter}
+              onChange={v => { setStatusFilter(v); setPage(1) }}
+              className="!w-[120px]"
+              size="small"
+              options={[
+                { value: 'active', label: '进行中' },
+                { value: 'waiting', label: '等待中' },
+                { value: 'ended', label: '已结束' },
+                { value: 'archived', label: '已归档' },
+              ]}
+            />
+          </div>
+          <span className="ml-auto text-sm text-neutral-400 whitespace-nowrap">
+            共 {total} 条记录
+          </span>
         </div>
       </div>
 
-      <div className="flex-1 bg-neutral-50 overflow-auto">
-        {selected ? (
-          <div className="p-6 max-w-3xl mx-auto">
-            <div className="bg-white rounded-xl border border-neutral-200 p-5 mb-4">
-              <div className="flex items-center justify-between gap-4">
-                <div className="min-w-0">
-                  <div className="flex items-center gap-2 flex-wrap">
-                    <h3 className="text-lg font-semibold text-neutral-800 m-0 truncate">
-                      {customer?.name || `客户${selected.customer_id}`}
-                    </h3>
-                    <Tag color={statusColors[selected.status]}>{statusLabels[selected.status] || selected.status}</Tag>
-                    {selected.priority === 'urgent' && <Tag color="red">紧急</Tag>}
-                  </div>
-                  <div className="text-sm text-neutral-400 mt-1">
-                    会话 #{selected.id}
-                    {customer?.source ? ` · ${customer.source}` : ''}
-                    {' · '}
-                    {new Date(selected.created_at).toLocaleString('zh-CN')}
-                    {selected.ended_at ? ` ~ ${new Date(selected.ended_at).toLocaleString('zh-CN')}` : ''}
-                  </div>
-                </div>
-                {selected.satisfaction_score != null && (
-                  <div className="text-right shrink-0">
-                    <div className="text-xl text-yellow-500">
-                      {'★'.repeat(selected.satisfaction_score)}{'☆'.repeat(Math.max(0, 5 - selected.satisfaction_score))}
-                    </div>
-                    <div className="text-xs text-neutral-400">满意度评分</div>
-                    {selected.satisfaction_text && (
-                      <div className="text-xs text-neutral-500 mt-1 max-w-[180px]">{selected.satisfaction_text}</div>
-                    )}
-                  </div>
-                )}
+      {/* 列表 | 详情 — 顶边同一基线 */}
+      <div className="flex flex-1 min-h-0 overflow-hidden">
+        {/* 会话列表 */}
+        <div className="flex-1 min-w-0 flex flex-col overflow-hidden border-r border-neutral-200">
+          <div className="flex-1 overflow-y-auto px-6 py-4 bg-neutral-50">
+            {loading ? (
+              <div className="flex justify-center py-20"><Spin size="large" /></div>
+            ) : sessions.length === 0 ? (
+              <div className="flex items-center justify-center h-48">
+                <Empty description="暂无对话记录" />
               </div>
-            </div>
-
-            <div className="bg-white rounded-xl border border-neutral-200 p-5 mb-4">
-              <div className="text-sm font-medium text-neutral-700 mb-4">消息记录</div>
-              <div className="space-y-4">
-                {detailLoading ? (
-                  <div className="flex justify-center py-10"><Spin /></div>
-                ) : messages.length === 0 ? (
-                  <Empty description="暂无消息记录" />
-                ) : messages.map(message => {
-                  const isAgent = message.sender_type === 'agent'
+            ) : (
+              <div className="flex flex-col gap-3">
+                {sessions.map(s => {
+                  const name = s.customer_name || `客户${s.customer_id}`
+                  const pal = avatarPalette(name)
+                  const ch = channelLabel(s)
+                  const st = statusMeta[s.status] || statusMeta.ended
+                  const reason = s.end_reason ? endReasonMeta[s.end_reason] : null
+                  const active = selectedId === s.id
+                  const checked = checkedIds.includes(s.id)
+                  const displayMsgCount = selectedId === s.id && messages.length > 0
+                    ? messages.length
+                    : (s.message_count ?? 0)
                   return (
-                    <div key={message.id} className={`flex ${isAgent ? 'justify-end' : 'justify-start'}`}>
-                      <div className={`max-w-[70%] rounded-xl px-3.5 py-2.5 text-sm ${
-                        isAgent ? 'bg-[#2563eb] text-white rounded-tr-sm' : 'bg-neutral-100 text-neutral-700 rounded-tl-sm'
-                      }`}>
-                        <div className={`text-xs mb-1 ${isAgent ? 'text-white/70' : 'text-neutral-400'}`}>
-                          {isAgent ? '客服' : '访客'}
+                    <div
+                      key={s.id}
+                      role="button"
+                      tabIndex={0}
+                      onClick={() => setSelectedId(s.id)}
+                      onKeyDown={e => { if (e.key === 'Enter') setSelectedId(s.id) }}
+                      className={`rounded-lg p-4 cursor-pointer bg-white transition-shadow ${
+                        active
+                          ? 'border-2 border-[#2563eb] shadow-md'
+                          : 'border border-neutral-200 shadow-sm hover:border-blue-200'
+                      }`}
+                    >
+                      <div className="flex items-start gap-3">
+                        <div className="flex items-start gap-2 shrink-0">
+                          {canArchive && s.status === 'ended' && (
+                            <Checkbox
+                              checked={checked}
+                              onClick={e => toggleCheck(s.id, e as unknown as MouseEvent)}
+                              className="mt-2"
+                            />
+                          )}
+                          <div className="relative shrink-0">
+                            <div
+                              className="w-10 h-10 rounded-full flex items-center justify-center text-sm font-semibold"
+                              style={{ backgroundColor: pal.bg, color: pal.color }}
+                            >
+                              {name.slice(0, 1)}
+                            </div>
+                            <MoodBadge score={s.satisfaction_score} />
+                          </div>
                         </div>
-                        {message.type === 'image' ? (
-                          <ChatImage src={message.content} alt="图片" className="max-w-56 max-h-56" />
-                        ) : (
-                          <div className="whitespace-pre-wrap break-words">{message.content}</div>
-                        )}
-                        <div className={`text-xs mt-1 ${isAgent ? 'text-white/60' : 'text-neutral-400'}`}>
-                          {new Date(message.sent_at).toLocaleString('zh-CN')}
+
+                        <div className="flex-1 min-w-0">
+                          <div className="flex items-center gap-2 mb-1 flex-wrap">
+                            <span className="font-medium text-neutral-900 truncate">{name}</span>
+                            <TagChip label={ch.label} bg={ch.bg} color={ch.color} />
+                            {reason && <TagChip label={reason.label} bg={reason.bg} color={reason.color} />}
+                            {s.priority === 'urgent' && (
+                              <TagChip label="紧急" bg="#fef2f2" color="#dc2626" />
+                            )}
+                            <span className="ml-auto">
+                              <TagChip label={st.label} bg={st.bg} color={st.color} />
+                            </span>
+                          </div>
+                          <p className="truncate mb-2 text-sm text-neutral-500 m-0">
+                            {s.last_message || `会话 #${s.id}`}
+                          </p>
+                          <div className="flex items-center gap-4 flex-wrap text-xs text-neutral-400">
+                            <span className="inline-flex items-center gap-1 whitespace-nowrap">
+                              <UserOutlined className="text-[11px]" />
+                              客服: {resolveAgentName(s)}
+                            </span>
+                            <span className="inline-flex items-center gap-1 whitespace-nowrap">
+                              <ClockCircleOutlined className="text-[11px]" />
+                              {formatRange(s.created_at, s.ended_at)}
+                            </span>
+                            <span className="inline-flex items-center gap-1 whitespace-nowrap">
+                              <FieldTimeOutlined className="text-[11px]" />
+                              {formatDuration(s.created_at, s.ended_at, s.status)}
+                            </span>
+                            <span className="inline-flex items-center gap-1 whitespace-nowrap">
+                              <MessageOutlined className="text-[11px]" />
+                              {displayMsgCount}条消息
+                            </span>
+                            <span className="ml-auto">
+                              <Stars score={s.satisfaction_score} />
+                            </span>
+                          </div>
                         </div>
                       </div>
                     </div>
                   )
                 })}
               </div>
-            </div>
+            )}
 
-            {events.length > 0 && (
-              <div className="bg-white rounded-xl border border-neutral-200 p-5">
-                <div className="text-sm font-medium text-neutral-700 mb-3">操作记录</div>
-                <div className="space-y-2">
-                  {events.slice().reverse().map(ev => (
-                    <div key={ev.id} className="flex gap-3 text-xs text-neutral-500 border-b border-neutral-50 pb-2">
-                      <span className="shrink-0 text-neutral-400 w-36">
-                        {new Date(ev.created_at).toLocaleString('zh-CN')}
-                      </span>
-                      <Tag className="m-0 text-xs">{ev.action}</Tag>
-                      <span className="flex-1">{ev.detail}</span>
-                    </div>
-                  ))}
-                </div>
+            {total > pageSize && (
+              <div className="flex justify-center mt-4 pb-2">
+                <Pagination
+                  current={page}
+                  total={total}
+                  pageSize={pageSize}
+                  showSizeChanger
+                  pageSizeOptions={[10, 20, 50]}
+                  onChange={(p, ps) => {
+                    setPage(p)
+                    if (ps !== pageSize) {
+                      setPageSize(ps)
+                      setPage(1)
+                    }
+                  }}
+                  size="small"
+                />
               </div>
             )}
           </div>
-        ) : (
-          <div className="h-full flex flex-col items-center justify-center text-neutral-400 gap-2">
-            <UserOutlined className="text-2xl" />
-            <div className="text-sm">选择一个对话查看详情</div>
-          </div>
-        )}
+        </div>
+
+        {/* 右侧详情 — 与列表同顶 */}
+        <aside className="w-[min(600px,42vw)] min-w-[360px] shrink-0 flex flex-col overflow-hidden bg-white">
+          {selected ? (
+            <>
+              {/* 标题 + meta 合成顶区，一条底边与列表内容区视觉一致 */}
+              <div className="shrink-0 border-b border-neutral-200 bg-white">
+                <div className="flex items-center justify-between px-4 h-12">
+                  <div className="flex items-center gap-2 min-w-0">
+                    <span className="font-medium text-neutral-900 truncate">会话详情</span>
+                    <span className="text-sm text-neutral-400 truncate">- {customerName}</span>
+                  </div>
+                  <div className="flex items-center gap-1 shrink-0">
+                    {canArchive && selected.status === 'ended' && (
+                      <button
+                        type="button"
+                        className="h-7 px-2 rounded-md text-xs text-neutral-500 hover:bg-neutral-100 border-0 bg-transparent cursor-pointer"
+                        onClick={() => handleArchiveOne(selected.id)}
+                      >
+                        归档
+                      </button>
+                    )}
+                    <button
+                      type="button"
+                      className="w-7 h-7 rounded-md flex items-center justify-center text-neutral-400 hover:bg-neutral-100 border-0 bg-transparent cursor-pointer"
+                      onClick={() => setSelectedId(null)}
+                      title="关闭"
+                    >
+                      <CloseOutlined className="text-xs" />
+                    </button>
+                  </div>
+                </div>
+                <div className="px-4 pb-3">
+                  <div className="grid grid-cols-2 gap-x-4 gap-y-1.5">
+                    <div className="flex items-center gap-2">
+                      <span className="text-xs text-neutral-400 whitespace-nowrap">渠道</span>
+                      {(() => {
+                        const ch = channelLabel(selected)
+                        return <TagChip label={ch.label} bg={ch.bg} color={ch.color} />
+                      })()}
+                    </div>
+                    <div className="flex items-center gap-2 min-w-0">
+                      <span className="text-xs text-neutral-400 whitespace-nowrap">客服</span>
+                      <span className="text-xs text-neutral-700 truncate">{agentName}</span>
+                    </div>
+                    <div className="flex items-center gap-2">
+                      <span className="text-xs text-neutral-400 whitespace-nowrap">开始</span>
+                      <span className="text-xs text-neutral-700">{formatDateTime(selected.created_at)}</span>
+                    </div>
+                    <div className="flex items-center gap-2">
+                      <span className="text-xs text-neutral-400 whitespace-nowrap">时长</span>
+                      <span className="text-xs text-neutral-700">
+                        {formatDuration(selected.created_at, selected.ended_at, selected.status)}
+                      </span>
+                    </div>
+                  </div>
+                </div>
+              </div>
+
+              {/* 消息流 */}
+              <div className="flex-1 overflow-y-auto px-4 py-4 bg-neutral-50">
+                {detailLoading ? (
+                  <div className="flex justify-center py-16"><Spin /></div>
+                ) : (
+                  <div className="flex flex-col gap-3">
+                    <div className="flex justify-center">
+                      <span className="rounded-full px-3 py-1 text-xs bg-neutral-200 text-neutral-500">
+                        会话开始 · {formatDateTime(selected.created_at)}
+                      </span>
+                    </div>
+
+                    {messages.length === 0 && (
+                      <Empty className="py-8" description="暂无消息" image={Empty.PRESENTED_IMAGE_SIMPLE} />
+                    )}
+
+                    {messages.map(msg => {
+                      const isAgent = msg.sender_type === 'agent'
+                      const initial = isAgent
+                        ? (agentName || '客').slice(0, 1)
+                        : (customerName || '访').slice(0, 1)
+                      return (
+                        <div
+                          key={msg.id}
+                          className={`flex items-end gap-2 max-w-[85%] ${isAgent ? 'ml-auto flex-row-reverse' : ''}`}
+                        >
+                          <div
+                            className={`w-7 h-7 rounded-full flex items-center justify-center text-[11px] font-semibold shrink-0 ${
+                              isAgent ? 'bg-[#2563eb] text-white' : 'bg-[#dbeafe] text-[#2563eb]'
+                            }`}
+                          >
+                            {initial}
+                          </div>
+                          <div
+                            className={`rounded-lg px-3 py-2 ${
+                              isAgent
+                                ? 'bg-[#eff6ff] border border-[#dbeafe]'
+                                : 'bg-white border border-neutral-200'
+                            }`}
+                          >
+                            {msg.type === 'image' ? (
+                              <ChatImage src={msg.content} alt="图片" className="max-w-48 max-h-48" />
+                            ) : (
+                              <p className="text-sm text-neutral-800 m-0 whitespace-pre-wrap break-words">{msg.content}</p>
+                            )}
+                            <span className="text-xs text-neutral-400 mt-0.5 block">{formatTime(msg.sent_at)}</span>
+                          </div>
+                        </div>
+                      )
+                    })}
+
+                    {timelineEvents.filter(ev => ev.action !== 'end' && ev.action !== 'archive').length > 0 && (
+                      <div className="mt-2 space-y-1.5">
+                        {timelineEvents
+                          .filter(ev => ev.action !== 'end' && ev.action !== 'archive')
+                          .map(ev => (
+                            <div key={ev.id} className="flex justify-center">
+                              <span className="rounded-full px-3 py-1 text-[11px] bg-neutral-100 text-neutral-500 max-w-full truncate">
+                                {ev.label}
+                                {ev.detail ? ` · ${ev.detail}` : ''}
+                                {' · '}
+                                {formatDateTime(ev.created_at)}
+                              </span>
+                            </div>
+                          ))}
+                      </div>
+                    )}
+
+                    {(selected.status === 'ended' || selected.status === 'archived') && (
+                      <div className="flex justify-center">
+                        <span className="rounded-full px-3 py-1 text-xs bg-neutral-200 text-neutral-500">
+                          会话{selected.status === 'archived' ? '归档' : '结束'}
+                          {selected.ended_at ? ` · ${formatDateTime(selected.ended_at)}` : ''}
+                          {` · 共${msgCount}条消息`}
+                        </span>
+                      </div>
+                    )}
+
+                    {(selected.satisfaction_score != null && selected.satisfaction_score > 0) && (
+                      <div className="flex justify-center mt-1">
+                        <div className="flex flex-col items-center gap-1 rounded-lg px-4 py-2 bg-white border border-neutral-200">
+                          <span className="text-xs text-neutral-400">客户评价</span>
+                          <Stars score={selected.satisfaction_score} size={14} />
+                          {selected.satisfaction_text && (
+                            <span className="text-xs text-neutral-500 text-center max-w-[240px]">
+                              {selected.satisfaction_text}
+                            </span>
+                          )}
+                        </div>
+                      </div>
+                    )}
+                  </div>
+                )}
+              </div>
+            </>
+          ) : (
+            <div className="h-full flex flex-col items-center justify-center text-neutral-400 gap-2 bg-neutral-50">
+              <MessageOutlined className="text-2xl" />
+              <div className="text-sm">选择一个对话查看详情</div>
+            </div>
+          )}
+        </aside>
       </div>
     </div>
   )
diff --git a/web/src/pages/agent/Dashboard.tsx b/web/src/pages/agent/Dashboard.tsx
index 445cf26..7b07625 100644
--- a/web/src/pages/agent/Dashboard.tsx
+++ b/web/src/pages/agent/Dashboard.tsx
@@ -451,111 +451,113 @@ const Dashboard = () => {
         onChange={event => { handleImage(event.target.files?.[0]); event.currentTarget.value = '' }}
       />
 
-      {/* 会话列表面板 320px */}
+      {/* 会话列表面板 320px — 顶栏固定 56px，与中/右对齐 */}
       <section className="w-[320px] shrink-0 flex flex-col h-full border-r border-neutral-200 bg-white">
-        <div className="shrink-0 px-3 py-3 border-b border-neutral-200">
-          <div className="flex items-center gap-2 mb-2">
-            <div className="flex items-center flex-1 min-w-0 rounded-lg px-2.5 h-[34px] bg-neutral-100 border border-neutral-200">
-              <SearchOutlined className="text-neutral-400 text-xs mr-1.5 shrink-0" />
-              <input
-                className="bg-transparent border-none outline-none flex-1 min-w-0 text-sm text-neutral-900 placeholder:text-neutral-400"
-                placeholder="搜索访客或会话"
-                value={search}
-                onChange={e => setSearch(e.target.value)}
-              />
-            </div>
-            <Popover
-              open={filterOpen}
-              onOpenChange={setFilterOpen}
-              trigger="click"
-              placement="bottomRight"
-              content={(
-                <div className="w-52 space-y-3">
-                  <div>
-                    <div className="text-xs text-neutral-400 mb-1.5">会话状态</div>
-                    <div className="flex flex-wrap gap-1.5">
-                      {([
-                        { key: 'all', label: '全部' },
-                        { key: 'waiting', label: '等待中' },
-                        { key: 'active', label: '进行中' },
-                      ] as const).map(item => (
-                        <button
-                          key={item.key}
-                          type="button"
-                          onClick={() => setStatusFilter(item.key)}
-                          className={`px-2 py-0.5 rounded-md text-xs border ${
-                            statusFilter === item.key
-                              ? 'bg-[#dbeafe] border-[#2563eb] text-[#2563eb]'
-                              : 'bg-white border-neutral-200 text-neutral-600'
-                          }`}
-                        >
-                          {item.label}
-                        </button>
-                      ))}
-                    </div>
+        <div
+          className="shrink-0 px-3 flex items-center gap-2 border-b border-neutral-200"
+          style={{ height: 'var(--header-height)' }}
+        >
+          <div className="flex items-center flex-1 min-w-0 rounded-lg px-2.5 h-8 bg-neutral-100 border border-neutral-200">
+            <SearchOutlined className="text-neutral-400 text-xs mr-1.5 shrink-0" />
+            <input
+              className="bg-transparent border-none outline-none flex-1 min-w-0 text-sm text-neutral-900 placeholder:text-neutral-400"
+              placeholder="搜索访客或会话"
+              value={search}
+              onChange={e => setSearch(e.target.value)}
+            />
+          </div>
+          <span
+            className="inline-flex items-center h-8 px-2 rounded-md text-xs font-medium bg-[#dbeafe] text-[#2563eb] whitespace-nowrap shrink-0"
+            title={`当前会话 ${filteredSessions.length} 个`}
+          >
+            {filteredSessions.length}
+          </span>
+          <Popover
+            open={filterOpen}
+            onOpenChange={setFilterOpen}
+            trigger="click"
+            placement="bottomRight"
+            content={(
+              <div className="w-52 space-y-3">
+                <div>
+                  <div className="text-xs text-neutral-400 mb-1.5">会话状态</div>
+                  <div className="flex flex-wrap gap-1.5">
+                    {([
+                      { key: 'all', label: '全部' },
+                      { key: 'waiting', label: '等待中' },
+                      { key: 'active', label: '进行中' },
+                    ] as const).map(item => (
+                      <button
+                        key={item.key}
+                        type="button"
+                        onClick={() => setStatusFilter(item.key)}
+                        className={`px-2 py-0.5 rounded-md text-xs border ${
+                          statusFilter === item.key
+                            ? 'bg-[#dbeafe] border-[#2563eb] text-[#2563eb]'
+                            : 'bg-white border-neutral-200 text-neutral-600'
+                        }`}
+                      >
+                        {item.label}
+                      </button>
+                    ))}
                   </div>
-                  <div>
-                    <div className="text-xs text-neutral-400 mb-1.5">优先级</div>
-                    <div className="flex flex-wrap gap-1.5">
-                      {([
-                        { key: 'all', label: '全部' },
-                        { key: 'urgent', label: '仅紧急' },
-                      ] as const).map(item => (
-                        <button
-                          key={item.key}
-                          type="button"
-                          onClick={() => setPriorityFilter(item.key)}
-                          className={`px-2 py-0.5 rounded-md text-xs border ${
-                            priorityFilter === item.key
-                              ? 'bg-[#dbeafe] border-[#2563eb] text-[#2563eb]'
-                              : 'bg-white border-neutral-200 text-neutral-600'
-                          }`}
-                        >
-                          {item.label}
-                        </button>
-                      ))}
-                    </div>
-                  </div>
-                  {filterActive && (
-                    <button
-                      type="button"
-                      className="text-xs text-neutral-500 hover:text-neutral-700"
-                      onClick={() => { setStatusFilter('all'); setPriorityFilter('all') }}
-                    >
-                      清除筛选
-                    </button>
-                  )}
                 </div>
-              )}
+                <div>
+                  <div className="text-xs text-neutral-400 mb-1.5">优先级</div>
+                  <div className="flex flex-wrap gap-1.5">
+                    {([
+                      { key: 'all', label: '全部' },
+                      { key: 'urgent', label: '仅紧急' },
+                    ] as const).map(item => (
+                      <button
+                        key={item.key}
+                        type="button"
+                        onClick={() => setPriorityFilter(item.key)}
+                        className={`px-2 py-0.5 rounded-md text-xs border ${
+                          priorityFilter === item.key
+                            ? 'bg-[#dbeafe] border-[#2563eb] text-[#2563eb]'
+                            : 'bg-white border-neutral-200 text-neutral-600'
+                        }`}
+                      >
+                        {item.label}
+                      </button>
+                    ))}
+                  </div>
+                </div>
+                {filterActive && (
+                  <button
+                    type="button"
+                    className="text-xs text-neutral-500 hover:text-neutral-700"
+                    onClick={() => { setStatusFilter('all'); setPriorityFilter('all') }}
+                  >
+                    清除筛选
+                  </button>
+                )}
+              </div>
+            )}
+          >
+            <button
+              type="button"
+              className={`w-8 h-8 rounded-lg border flex items-center justify-center shrink-0 relative ${
+                filterActive
+                  ? 'bg-[#dbeafe] border-[#2563eb] text-[#2563eb]'
+                  : 'bg-neutral-100 border-neutral-200 text-neutral-500'
+              }`}
+              title="筛选"
             >
-              <button
-                type="button"
-                className={`w-[34px] h-[34px] rounded-lg border flex items-center justify-center shrink-0 relative ${
-                  filterActive
-                    ? 'bg-[#dbeafe] border-[#2563eb] text-[#2563eb]'
-                    : 'bg-neutral-100 border-neutral-200 text-neutral-500'
-                }`}
-                title="筛选"
-              >
-                <FilterOutlined className="text-xs" />
-                {filterActive && <span className="absolute -top-0.5 -right-0.5 w-2 h-2 rounded-full bg-[#2563eb]" />}
-              </button>
-            </Popover>
-          </div>
-          <div className="flex items-center justify-between">
-            <span className="inline-flex items-center px-2 py-0.5 rounded-md text-xs font-medium bg-[#dbeafe] text-[#2563eb]">
-              当前会话 {filteredSessions.length} 个
-            </span>
-            <a
-              href="/widget/preview"
-              target="_blank"
-              rel="noreferrer"
-              className="inline-flex items-center gap-1 px-2 py-0.5 rounded-md text-xs text-[#2563eb] hover:bg-[#eff6ff]"
-            >
-              <ExportOutlined className="text-[10px]" />
-              预览访客窗口
-            </a>
-          </div>
+              <FilterOutlined className="text-xs" />
+              {filterActive && <span className="absolute -top-0.5 -right-0.5 w-2 h-2 rounded-full bg-[#2563eb]" />}
+            </button>
+          </Popover>
+          <a
+            href="/widget/preview"
+            target="_blank"
+            rel="noreferrer"
+            className="w-8 h-8 rounded-lg border border-neutral-200 bg-neutral-100 text-[#2563eb] hover:bg-[#eff6ff] flex items-center justify-center shrink-0"
+            title="预览访客窗口"
+          >
+            <ExportOutlined className="text-xs" />
+          </a>
         </div>
 
         <div className="flex-1 overflow-y-auto no-scrollbar">
@@ -631,10 +633,13 @@ const Dashboard = () => {
       <section className="flex-1 flex flex-col min-w-0 h-full bg-neutral-50">
         {selected && selectedCustomer ? (
           <>
-            <div className="shrink-0 flex items-center justify-between px-5 py-2.5 bg-white border-b border-neutral-200 min-h-14">
+            <div
+              className="shrink-0 flex items-center justify-between px-5 bg-white border-b border-neutral-200"
+              style={{ height: 'var(--header-height)' }}
+            >
               <div className="flex items-center gap-3 min-w-0">
                 <div
-                  className="w-[38px] h-[38px] rounded-full flex items-center justify-center shrink-0 text-base font-semibold"
+                  className="w-9 h-9 rounded-full flex items-center justify-center shrink-0 text-sm font-semibold"
                   style={{
                     background: listStatusMeta(selected).avatarBg,
                     color: listStatusMeta(selected).avatarColor,
@@ -642,9 +647,9 @@ const Dashboard = () => {
                 >
                   {selectedCustomer.name.slice(0, 1)}
                 </div>
-                <div className="min-w-0">
+                <div className="min-w-0 leading-tight">
                   <div className="flex items-center gap-2">
-                    <span className="truncate font-semibold text-base text-neutral-900">{selectedCustomer.name}</span>
+                    <span className="truncate font-semibold text-[15px] text-neutral-900">{selectedCustomer.name}</span>
                     <span className="inline-flex items-center px-1.5 py-0.5 rounded text-xs bg-[#ecfeff] text-[#0891b2]">
                       {channelLabel(selectedCustomer.source)}
                     </span>
@@ -653,8 +658,8 @@ const Dashboard = () => {
                       {selectedCustomer.status === 'online' ? '在线' : selectedCustomer.status === 'busy' ? '忙碌' : '离线'}
                     </span>
                   </div>
-                  {/* 与设计稿一致：姓名下方展示 IP | 地区 */}
-                  <div className="flex items-center gap-1.5 mt-0.5 text-xs text-neutral-400 min-w-0">
+                  {/* IP | 地区 — 压缩行高，保证三栏顶栏等高 */}
+                  <div className="flex items-center gap-1.5 mt-0.5 text-[11px] text-neutral-400 min-w-0">
                     <span className="truncate">
                       IP: {selected.visitor_ip || '—'}
                     </span>
diff --git a/web/src/services/api.ts b/web/src/services/api.ts
index d7fa662..3be0404 100644
--- a/web/src/services/api.ts
+++ b/web/src/services/api.ts
@@ -8,10 +8,17 @@ 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
+  end_reason?: string
   visitor_ip?: string
   visitor_region?: string
   user_agent?: string
   created_at: string; ended_at: string | null
+  /** 列表接口补全字段 */
+  message_count?: number
+  customer_name?: string
+  agent_name?: string
+  channel_name?: string
+  channel_type?: string
 }
 
 export interface Message {
@@ -88,10 +95,25 @@ export interface StatisticsKpis {
 export const login = (params: LoginParams) => post<LoginResult>('/login', params)
 
 // Sessions
-export const getSessions = (params?: { status?: string; priority?: string; page?: number; pageSize?: number }) => {
+export const getSessions = (params?: {
+  status?: string
+  priority?: string
+  agent_id?: number | string
+  channel_id?: number | string
+  search?: string
+  from?: string
+  to?: string
+  page?: number
+  pageSize?: number
+}) => {
   const search = new URLSearchParams()
   if (params?.status) search.set('status', params.status)
   if (params?.priority) search.set('priority', params.priority)
+  if (params?.agent_id != null && params.agent_id !== '') search.set('agent_id', String(params.agent_id))
+  if (params?.channel_id != null && params.channel_id !== '') search.set('channel_id', String(params.channel_id))
+  if (params?.search) search.set('search', params.search)
+  if (params?.from) search.set('from', params.from)
+  if (params?.to) search.set('to', params.to)
   if (params?.page) search.set('page', String(params.page))
   if (params?.pageSize) search.set('pageSize', String(params.pageSize))
   return getList<Session>(`/sessions?${search}`)
@@ -101,11 +123,15 @@ export const assignSession = (id: number, agentId: number) => post(`/sessions/${
 export const claimSession = (id: number) => post(`/sessions/${id}/assign`, {})
 export const transferSession = (id: number, agentId: number) => post(`/sessions/${id}/transfer`, { agent_id: agentId })
 export const endSession = (id: number, reason: string) => post(`/sessions/${id}/end?reason=${reason}`, {})
+export const archiveSession = (id: number) => post<{ message: string; session: Session }>(`/sessions/${id}/archive`, {})
+export const batchArchiveSessions = (ids: number[]) => post<{ message: string; count: number }>('/sessions/batch-archive', { ids })
 export const updateSessionPriority = (id: number, priority: 'normal' | 'urgent') => put(`/sessions/${id}/priority?priority=${priority}`, {})
 export const markSessionRead = (id: number) => post(`/sessions/${id}/read`, {})
 export const addSessionNote = (id: number, content: string) => post<SessionEvent>(`/sessions/${id}/notes`, { content })
 export const sendSessionMessage = (id: number, content: string, type: 'text' | 'image' = 'text') => post<Message>(`/sessions/${id}/messages`, { content, type })
-export const getAvailableAgents = () => get<AvailableAgent[]>('/agents/available')
+/** onlineOnly 默认 true；传 false 返回全部坐席（对话记录筛选） */
+export const getAvailableAgents = (onlineOnly = true) =>
+  get<AvailableAgent[]>(`/agents/available${onlineOnly ? '' : '?all=1'}`)
 
 export interface UploadImageResult {
   url: string