feat: organize project conversations and add coding teacher side chat

electron/api/coding-composition.ts

@@ -1,4 +1,6 @@
 import { accessSync, constants } from 'node:fs';
+import { CodingTeacherService } from '../coding-teacher/service';
+import { readCodingConversationHistory } from '../coding-projects/conversation-history';
 import path from 'node:path';
 import type { AgentBrowserModule } from '../agent-browser';
 import type { AgentBrowserSnapshot } from '../../shared/agent-browser';
@@ -290,6 +292,16 @@ export function createCodingComposition(
   let plugins: CodingProjectPluginService | undefined;
   let previewDataSession: PreviewDataSessionManager | undefined;
   const projects = new CodingProjectService(projectStore, {
+    getDefaultModel: async () => {
+      const provider = getProviderService();
+      const accountId = await provider.getDefaultAccountId();
+      const accounts = await provider.listAccounts();
+      const account = accounts.find((item) => item.id === accountId && item.enabled);
+      if (!account?.model) return null;
+      const model = { accountId: account.id, modelId: account.model, thinkingLevel: 'off' as const, reasoningChoice: { mode: 'default' as const } };
+      selectPiProviderModel(buildPiProviderCatalog({ accounts }), model);
+      return model;
+    },
     createConversationStore: conversationStoreForProject,
     onResourcesChanged: async (project) => {
       runtime?.markResourcesStale();
@@ -501,6 +513,8 @@ export function createCodingComposition(
       : {}),
   });
   const conversations = new CodingConversationService(projects, runtime, {
+    readHistory: (projectId, conversation) => readCodingConversationHistory(options.paths.userDataDir, projectId, conversation),
+    onDelete: (projectId, conversationId) => teacher.removeSource(projectId, conversationId),
     archiveSession: async ({ projectId, sessionKey }) => {
       await archivePiConversationSession({
         userDataDir: options.paths.userDataDir,
@@ -552,7 +566,12 @@ export function createCodingComposition(
       previewDataSession?.handleAgentBrowserLifecycle(event);
     })
     : () => undefined;
+  const teacher = new CodingTeacherService({
+    projects, runtime, userDataDir: options.paths.userDataDir,
+    acquireLease: (id) => options.acquireBackgroundLease?.({ id, kind: 'coding-run' }) ?? (() => undefined),
+  });
   return {
+    teacher,
     gameAudio: gameAudioDelivery,
     attachments,
     dataService,
@@ -583,6 +602,7 @@ export function createCodingComposition(
       await agentServer.stop();
     },
     async shutdown() {
+      await teacher.dispose();
       conversations.dispose();
       gameResourceDelivery.dispose();
       gameAudioDelivery.dispose();