feat(teacher): 连接 Yuxi 老师并提供项目与会话只读工具

src/lib/coding-teacher.ts

@@ -1,6 +1,7 @@
 import { hostApiFetch, createHostEventSource, ensureHostApiToken } from './host-api';
 import type {
   TeacherAvailability,
+  TeacherCatalog,
   TeacherDefinition,
   TeacherSend,
   TeacherTopic,
@@ -12,6 +13,7 @@ export function teacherTopicsPath(projectId: string, sourceId: string) {
     : `/api/coding/projects/${encodeURIComponent(projectId)}/conversations/${encodeURIComponent(sourceId)}/teacher-topics`;
 }
 export const teacherApi = {
+  catalog: () => hostApiFetch<TeacherCatalog>('/api/coding/teacher/teachers'),
   config: () =>
     hostApiFetch<TeacherAvailability & { definition: TeacherDefinition | null }>(
       '/api/coding/teacher/config'
@@ -21,10 +23,10 @@ export const teacherApi = {
       '/api/coding/teacher-preview?draftRevision=' + draftRevision
     ),
   list: (base: string) => hostApiFetch<TeacherTopicList>(base),
-  create: (base: string, draftRevision?: number, sampleContext?: string) =>
+  create: (base: string, draftRevision?: number, sampleContext?: string, teacherVersion?: number) =>
     hostApiFetch<TeacherTopic>(base, {
       method: 'POST',
-      body: JSON.stringify({ draftRevision, sampleContext }),
+      body: JSON.stringify({ draftRevision, sampleContext, teacherVersion }),
     }),
   read: (base: string, id: string) =>
     hostApiFetch<TeacherTopic>(base + '/' + encodeURIComponent(id)),