fix: speed up chat detail pagination

ai_knowledge_base_v2/apps/admin-web/src/App.vue

@@ -53,6 +53,7 @@ const previewKnowledgeId = ref<number | null>(null);
 const chatDetail = ref<ChatDetail | null>(null);
 const chatDetailOpen = ref(false);
 const chatDetailLoading = ref(false);
+const chatMessagesLoading = ref(false);
 const chatDetailSessionId = ref<number | null>(null);
 const selectedAiLog = ref<AiLogRecord | null>(null);
 const aiLogDetailOpen = ref(false);
@@ -773,7 +774,21 @@ async function loadChatDetail(sessionId = chatDetailSessionId.value, page = chat
 }
 
 async function changeChatDetailMessagePage(page: number, pageSize: number) {
-  await loadChatDetail(chatDetailSessionId.value, page, pageSize);
+  if (!chatDetailSessionId.value || !chatDetail.value) return;
+  chatMessagesLoading.value = true;
+  try {
+    const result = await api.chatMessages(chatDetailSessionId.value, { page, pageSize });
+    chatDetail.value = {
+      ...chatDetail.value,
+      messages: result.items,
+      messagesPage: result,
+    };
+    Object.assign(chatDetailMessagePager, { page: result.page, pageSize: result.pageSize, total: result.total });
+  } catch (error) {
+    ElMessage.error(error instanceof Error ? error.message : "聊天消息加载失败");
+  } finally {
+    chatMessagesLoading.value = false;
+  }
 }
 
 async function openAiLogDetail(row: AiLogRecord) {
@@ -1244,7 +1259,7 @@ function formatRecordDateTime(value: string, boundary: "start" | "end") {
         </section>
 
         <h3 class="detail-title">完整对话</h3>
-        <section class="conversation-list">
+        <section v-loading="chatMessagesLoading" class="conversation-list">
           <article
             v-for="message in chatDetail.messages"
             :key="message.id"

ai_knowledge_base_v2/apps/admin-web/src/services/api.ts

@@ -8,6 +8,7 @@ import type {
   AiLogRecord,
   ApiResponse,
   ChatDetail,
+  ChatMessageRecord,
   ChatRecord,
   ChatRecordQuery,
   DashboardStats,
@@ -203,6 +204,8 @@ export const api = {
   chats: (query: ChatRecordQuery = {}) => request<PageResult<ChatRecord>>(`/admin/chat/list${queryString(query)}`),
   chatDetail: (sessionId: number, query: { messagePage?: number; messagePageSize?: number } = {}) =>
     request<ChatDetail>(`/admin/chat/${sessionId}${queryString(query)}`),
+  chatMessages: (sessionId: number, query: { page?: number; pageSize?: number } = {}) =>
+    request<PageResult<ChatMessageRecord>>(`/admin/chat/${sessionId}/messages${queryString(query)}`),
   exportChats: (query: ChatRecordQuery = {}) => download(`/admin/chat/export${queryString(query)}`, "chat_records.csv"),
   aiLogs: (query: { sessionId?: number; userId?: number; status?: string; page?: number; pageSize?: number } = {}) =>
     request<PageResult<AiLogRecord>>(`/admin/ai-log/list${queryString(query)}`),