feat(coding): keep one ongoing conversation per delivered agent

src/lib/coding-teacher.ts

@@ -9,6 +9,7 @@ import type {
   TeacherSend,
   TeacherTopic,
   TeacherTopicList,
+  TeacherConversationView,
 } from '../../shared/coding-teacher';
 export function teacherTopicsPath(projectId: string) {
   return projectId === 'preview'
@@ -20,6 +21,15 @@ export function legacyTopicBase(base: string, legacyFriend: boolean) {
   return legacyFriend ? base.replace(/agent-topics$/, 'friend-topics') : base;
 }
 export const teacherApi = {
+  legacyHistory: (projectId: string) => hostApiFetch<TeacherTopicList>(`/api/coding/projects/${encodeURIComponent(projectId)}/agent-history`),
+  legacyRead: (projectId: string, item: TeacherTopicList['items'][number]) => hostApiFetch<TeacherTopic>(
+    `/api/coding/projects/${encodeURIComponent(projectId)}/agent-history/${encodeURIComponent(item.id)}?source=${encodeURIComponent(item.legacySourceId ?? 'project')}&friend=${item.legacyRole === 'friend'}`),
+  seenConversation: (agentId: string, requestId: string) => hostApiFetch<TeacherTopic>(
+    '/api/coding/agent-conversations/' + encodeURIComponent(agentId) + '/seen', { method: 'POST', body: JSON.stringify({ requestId }) }),
+  conversation: (agentId: string, before?: string) => hostApiFetch<TeacherConversationView>(
+    '/api/coding/agent-conversations/' + encodeURIComponent(agentId) + (before ? '?before=' + encodeURIComponent(before) : '')),
+  sendConversation: (agentId: string, input: TeacherSend) => hostApiFetch<TeacherTopic>(
+    '/api/coding/agent-conversations/' + encodeURIComponent(agentId) + '/messages', { method: 'POST', body: JSON.stringify(input) }),
   catalog: () => hostApiFetch<TeacherCatalog>('/api/coding/teacher/teachers'),
   checkIn: (projectId: string, input: TeacherCheckInInput) =>
     hostApiFetch<TeacherCheckInResult>(`/api/coding/projects/${encodeURIComponent(projectId)}/teacher-check-in`, {