diff --git a/yunkes/src/api/index.ts b/yunkes/src/api/index.ts
index 906fd26..77bf4d8 100644
--- a/yunkes/src/api/index.ts
+++ b/yunkes/src/api/index.ts
@@ -15,6 +15,7 @@ import type {
   Message,
   Page,
   PhoneCall,
+  SessionList,
   Sms,
   Staff,
   StaffChatStats,
@@ -238,6 +239,22 @@ export function getStaffChatStats(query: StaffChatStatsQuery): Promise<StaffChat
   )
 }
 
+// ---------------------------------------------------------------------------
+// Chat sessions (账号会话列表:好友+群,今日消息数+最近联系时间)
+// ---------------------------------------------------------------------------
+
+export interface SessionQuery {
+  owner_account_id: string
+  channel?: Channel
+}
+
+export function getSessions(query: SessionQuery): Promise<SessionList> {
+  return getJson<SessionList>(
+    '/sessions',
+    clean({ owner_account_id: query.owner_account_id, channel: query.channel }),
+  )
+}
+
 // ---------------------------------------------------------------------------
 // Sync monitor
 // ---------------------------------------------------------------------------
@@ -300,6 +317,7 @@ export type {
   Message,
   Page,
   PhoneCall,
+  SessionList,
   Sms,
   Staff,
   StaffChatStats,
diff --git a/yunkes/src/api/types.ts b/yunkes/src/api/types.ts
index 026fd32..05dfdd2 100644
--- a/yunkes/src/api/types.ts
+++ b/yunkes/src/api/types.ts
@@ -277,3 +277,21 @@ export interface StaffChatStats {
   summary: StaffChatStatsSummary
   customers: StaffChatCustomer[]
 }
+
+/** 账号会话列表一行(好友或群),镜像 backend SessionOut。 */
+export interface ChatSession {
+  type: 'friend' | 'group'
+  talker_id?: string | null
+  room_id?: string | null
+  name?: string | null
+  avatar?: string | null
+  today_count: number
+  last_chat_time?: number | null
+}
+
+export interface SessionList {
+  owner_account_id: string
+  channel: string
+  today_start: number
+  sessions: ChatSession[]
+}
diff --git a/yunkes/src/components/ChatSidebar.vue b/yunkes/src/components/ChatSidebar.vue
new file mode 100644
index 0000000..cb85f1b
--- /dev/null
+++ b/yunkes/src/components/ChatSidebar.vue
@@ -0,0 +1,96 @@
+<script setup lang="ts">
+import { computed, ref, watch } from 'vue'
+import { getSessions } from '@/api'
+import type { ChatSession, Channel } from '@/api/types'
+import { formatTime } from '@/utils/format'
+
+const props = defineProps<{
+  channel: Channel
+  ownerId: string
+  activeType: 'friend' | 'group' | null
+  activeId: string | null
+}>()
+const emit = defineEmits<{ select: [ChatSession] }>()
+
+const sessions = ref<ChatSession[]>([])
+const loading = ref(false)
+const errorMsg = ref<string | null>(null)
+const filter = ref<'all' | 'friend' | 'group'>('all')
+const keyword = ref('')
+
+async function load() {
+  loading.value = true
+  errorMsg.value = null
+  try {
+    const res = await getSessions({ owner_account_id: props.ownerId, channel: props.channel })
+    sessions.value = res.sessions
+  } catch (e) {
+    errorMsg.value = (e as Error).message
+    sessions.value = []
+  } finally {
+    loading.value = false
+  }
+}
+
+const filtered = computed(() =>
+  sessions.value
+    .filter((s) => (filter.value === 'all' ? true : s.type === filter.value))
+    .filter((s) => {
+      const k = keyword.value.trim()
+      if (!k) return true
+      return (s.name ?? '').includes(k) || (s.talker_id ?? '').includes(k) || (s.room_id ?? '').includes(k)
+    }),
+)
+
+function isActive(s: ChatSession): boolean {
+  return props.activeType === s.type && props.activeId === (s.talker_id ?? s.room_id)
+}
+
+watch(() => [props.ownerId, props.channel] as const, load, { immediate: true })
+</script>
+
+<template>
+  <div class="yk-chat-side">
+    <div class="yk-chat-side__top">
+      <el-select v-model="filter" size="small" style="width: 96px">
+        <el-option label="全部" value="all" />
+        <el-option label="好友" value="friend" />
+        <el-option label="群聊" value="group" />
+      </el-select>
+      <el-input v-model="keyword" size="small" placeholder="搜索昵称/号" clearable />
+    </div>
+    <el-alert v-if="errorMsg" :title="errorMsg" type="error" :closable="false" />
+    <div v-loading="loading" class="yk-chat-side__list">
+      <div v-if="!loading && filtered.length === 0" class="yk-empty">暂无会话</div>
+      <div
+        v-for="s in filtered"
+        :key="(s.talker_id ?? s.room_id) + s.type"
+        class="yk-chat-side__item"
+        :class="{ 'is-active': isActive(s) }"
+        @click="emit('select', s)"
+      >
+        <el-avatar :size="36" :src="s.avatar ?? undefined">{{ (s.name ?? '?').slice(0, 1) }}</el-avatar>
+        <div class="yk-chat-side__meta">
+          <div class="yk-chat-side__name">
+            <span>{{ s.name ?? '--' }}</span>
+            <span class="yk-chat-side__today">今日{{ s.today_count }}</span>
+          </div>
+          <div class="yk-chat-side__time">{{ s.last_chat_time ? formatTime(s.last_chat_time) : '--' }}</div>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.yk-chat-side { display: flex; flex-direction: column; height: 100%; width: 260px; border-right: 1px solid var(--el-border-color-light); background: #fff; }
+.yk-chat-side__top { display: flex; gap: 6px; padding: 8px; border-bottom: 1px solid var(--el-border-color-lighter); }
+.yk-chat-side__list { flex: 1; overflow-y: auto; }
+.yk-chat-side__item { display: flex; align-items: center; gap: 8px; padding: 8px 10px; cursor: pointer; }
+.yk-chat-side__item:hover { background: #f5f7fa; }
+.yk-chat-side__item.is-active { background: #ecf5ff; }
+.yk-chat-side__meta { min-width: 0; flex: 1; }
+.yk-chat-side__name { display: flex; justify-content: space-between; gap: 6px; font-size: 13px; color: #303133; }
+.yk-chat-side__today { font-size: 11px; color: #909399; flex-shrink: 0; }
+.yk-chat-side__time { font-size: 11px; color: #c0c4cc; margin-top: 2px; }
+</style>