历史记录回显

frontend-web/src/open-canvas/api/ai-writing-sessions.ts

@@ -1,6 +1,8 @@
 import { getBackendBaseURL } from '@/core/config';
 import { apiFetch } from '@/core/api';
 
+import type { ProgressEvent, CompletedIntervention } from '../types/ai-writing';
+
 export interface AIWritingSessionSummary {
   id: string;
   user_id: string | null;
@@ -11,6 +13,7 @@ export interface AIWritingSessionSummary {
   draft_markdown: string | null;
   completed_interventions: CompletedInterventionRecord[] | null;
   review_result: Record<string, unknown> | null;
+  transcript: AIWritingTranscript | null;
   created_at: string;
   updated_at: string;
 }
@@ -21,6 +24,12 @@ export interface CompletedInterventionRecord {
   timestamp: string;
 }
 
+/** 完整对话时间线快照：与实时对话用同一份数据结构，历史回显时直接喂给 AIWritingTimeline。 */
+export interface AIWritingTranscript {
+  progressEvents: ProgressEvent[];
+  completedInterventions: CompletedIntervention[];
+}
+
 const BASE = () => `${getBackendBaseURL()}/api/ai-writing/sessions`;
 
 export async function listAIWritingSessions(): Promise<AIWritingSessionSummary[]> {
@@ -49,3 +58,16 @@ export async function deleteAIWritingSession(id: string): Promise<void> {
   const resp = await apiFetch(`${BASE()}/${id}`, { method: 'DELETE' });
   if (!resp.ok) throw new Error(`删除失败: ${resp.status}`);
 }
+
+/** 保存会话的完整对话时间线，供历史回显出与实时对话一致的富时间线。 */
+export async function saveAIWritingTranscript(
+  id: string,
+  transcript: AIWritingTranscript,
+): Promise<void> {
+  const resp = await apiFetch(`${BASE()}/${id}/transcript`, {
+    method: 'PUT',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify({ transcript }),
+  });
+  if (!resp.ok) throw new Error(`保存对话时间线失败: ${resp.status}`);
+}