Integrate project classroom with teacher and friend consultations

shared/coding-teacher.ts

@@ -1,9 +1,11 @@
 import type { ManagedReasoningChoice } from './managed-model-capabilities';
 import type { PublicUsage } from './coding-conversation-contracts';
 
+export type ConsultationRole = 'teacher' | 'friend';
+
 export interface TeacherDefinition {
   schema_version: 1;
-  teacher_id: 'coding-teacher';
+  teacher_id: 'coding-teacher' | 'coding-friend';
   name: string;
   description: string;
   avatar_id: string;
@@ -50,6 +52,7 @@ export type TeacherRequestStatus =
   | 'cancelled'
   | 'interrupted';
 export interface TeacherRequest {
+  sourceConversationId?: string;
   id: string;
   text: string;
   references: TeacherReference[];
@@ -64,6 +67,7 @@ export interface TeacherRequest {
   usage?: PublicUsage;
 }
 export interface TeacherTopic {
+  role?: ConsultationRole;
   revision: number;
   schemaVersion: 1;
   id: string;
@@ -83,6 +87,7 @@ export interface TeacherTopicList {
   lastSelectedTopicId: string | null;
 }
 export interface TeacherSend {
+  sourceConversationId?: string;
   requestId: string;
   text: string;
   references?: TeacherReference[];