feat: update codex live runtime and restart flow

etc/servers/work-server/src/routes/chat.ts

@@ -7,6 +7,7 @@ import { z } from 'zod';
 import { env } from '../config/env.js';
 import { hasErrorLogViewAccessToken } from '../services/error-log-service.js';
 import { getActiveChatService, getChatRuntimeController } from '../services/chat-service.js';
+import { rollbackChatRuntimeRequest } from '../services/chat-runtime-rollback-service.js';
 import {
   createChatConversation,
   deleteUnansweredChatConversationRequest,
@@ -16,6 +17,7 @@ import {
   listChatConversationDetailPage,
   listChatConversations,
   markChatConversationResponsesRead,
+  upsertChatConversationRequest,
   updateChatConversationContext,
 } from '../services/chat-room-service.js';
 import { chatRuntimeService } from '../services/chat-runtime-service.js';
@@ -308,11 +310,56 @@ export async function registerChatRoutes(app: FastifyInstance) {
     };
   });
 
+  app.post('/api/chat/runtime/jobs/:requestId/rollback', async (request, reply) => {
+    const params = z.object({
+      requestId: z.string().trim().min(1).max(120),
+    }).parse(request.params ?? {});
+    const payload = z
+      .object({
+        sessionId: z.string().trim().min(1).max(120).optional(),
+      })
+      .parse(request.body ?? {});
+
+    chatRuntimeService.appendLog(params.requestId, '사용자 요청으로 최근 실행 롤백을 시작합니다.');
+
+    try {
+      const result = await rollbackChatRuntimeRequest({
+        requestId: params.requestId,
+        sessionId: payload.sessionId,
+      });
+
+      await upsertChatConversationRequest(result.sessionId, {
+        requestId: result.requestId,
+        status: 'cancelled',
+        statusMessage: '사용자 요청으로 최근 실행 변경을 롤백했습니다.',
+      });
+      chatRuntimeService.setArchivedJobTerminalStatus(
+        params.requestId,
+        'cancelled',
+        '최근 실행이 롤백되어 상태를 취소로 변경했습니다.',
+      );
+      chatRuntimeService.appendLog(params.requestId, '최근 실행 롤백이 완료되었습니다.');
+
+      return {
+        ok: true,
+        ...result,
+      };
+    } catch (error) {
+      const message = error instanceof Error ? error.message : '최근 실행 롤백에 실패했습니다.';
+      chatRuntimeService.appendLog(params.requestId, `최근 실행 롤백 실패: ${message}`);
+
+      return reply.code(409).send({
+        message,
+      });
+    }
+  });
+
   app.post('/api/chat/conversations', async (request) => {
     const payload = z.object({
       sessionId: z.string().trim().min(1).max(120),
       title: z.string().trim().max(200).optional(),
       chatTypeId: z.string().trim().max(120).nullable().optional(),
+      lastChatTypeId: z.string().trim().max(120).nullable().optional(),
       contextLabel: z.string().trim().max(200).optional(),
       contextDescription: z.string().trim().max(2000).optional(),
       notifyOffline: z.boolean().optional(),
@@ -324,6 +371,7 @@ export async function registerChatRoutes(app: FastifyInstance) {
       clientId: clientId || null,
       title: payload.title ?? '새 대화',
       chatTypeId: payload.chatTypeId ?? null,
+      lastChatTypeId: payload.lastChatTypeId ?? payload.chatTypeId ?? null,
       contextLabel: payload.contextLabel ?? null,
       contextDescription: payload.contextDescription ?? null,
       notifyOffline: payload.notifyOffline ?? true,
@@ -438,6 +486,7 @@ export async function registerChatRoutes(app: FastifyInstance) {
     const payload = z.object({
       title: z.string().trim().min(1).max(200).optional(),
       chatTypeId: z.string().trim().max(120).optional().nullable(),
+      lastChatTypeId: z.string().trim().max(120).optional().nullable(),
       contextLabel: z.string().trim().max(200).optional().nullable(),
       contextDescription: z.string().trim().max(2000).optional().nullable(),
       notifyOffline: z.boolean().optional(),
@@ -456,6 +505,7 @@ export async function registerChatRoutes(app: FastifyInstance) {
       title: payload.title ?? current.title,
       clientId: current.clientId,
       chatTypeId: payload.chatTypeId ?? current.chatTypeId,
+      lastChatTypeId: payload.lastChatTypeId ?? current.lastChatTypeId ?? current.chatTypeId,
       contextLabel: payload.contextLabel ?? current.contextLabel,
       contextDescription: payload.contextDescription ?? current.contextDescription,
       notifyOffline: payload.notifyOffline ?? current.notifyOffline,