优化咨询客服

frontend/src/api/chats.ts

@@ -6,7 +6,7 @@ export interface ChatParticipant {
   conversation_id: number
   participant_type: 'user' | 'admin'
   participant_id: number
-  role: 'renter' | 'owner' | 'support'
+  role: 'renter' | 'owner' | 'support' | 'customer'
   remark: string
   display_name: string
   avatar_url: string
@@ -16,11 +16,11 @@ export interface ChatParticipant {
 
 export interface ChatConversation {
   id: number
-  order_id: number
+  order_id: number | null
   type: string
   title: string
   status: string
-  role: 'renter' | 'owner' | 'support'
+  role: 'renter' | 'owner' | 'support' | 'customer'
   participants?: ChatParticipant[]
   last_message_id?: number
   last_message_preview: string
@@ -35,7 +35,7 @@ export interface ChatMessage {
   conversation_id: number
   sender_type: 'user' | 'admin' | 'system'
   sender_id: number
-  sender_role: 'renter' | 'owner' | 'support' | 'system'
+  sender_role: 'renter' | 'owner' | 'support' | 'customer' | 'system'
   sender_name: string
   sender_avatar: string
   is_self: boolean
@@ -62,6 +62,11 @@ export async function fetchOrderChat(orderId: number) {
   return data.data
 }
 
+export async function ensureSupportChat() {
+  const { data } = await apiClient.post<ApiResponse<ChatConversation>>('/chats/support')
+  return data.data
+}
+
 export async function fetchChatMessages(id: number, page = 1, pageSize = 100) {
   const { data } = await apiClient.get<ApiResponse<PaginatedResult<ChatMessage>>>(`/chats/${id}/messages`, {
     params: { page, page_size: pageSize },