feat(chat): getSessions + ChatSidebar 会话列表组件

Co-Authored-By: Claude <noreply@anthropic.com>

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,