实现对话记录页并对齐工作台三栏布局

完善会话列表筛选与摘要字段、归档接口；对话记录按效果图重构；工作台顶栏等高对齐；默认管理员账号改为 kefu_admin / kefu_admin123。

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