Method resumeSession

packages/acp-adapter/src/server.ts:393–402

* Handle ACP `session/resume`. Per ACP spec, `session/resume` is the * lighter-weight sibling of `session/load`: same on-disk session * rehydration, same `configOptions:` advertisement — but the client * is expected to have already seen the prior turns, so the agent * deliberately does N

(params: ResumeSessionRequest)

   * rationale, and gap-4.1 for the matching capability advertisement.
   */
  async resumeSession(params: ResumeSessionRequest): Promise<ResumeSessionResponse> {
    const { session, configOptions } = await this.setupSessionFromExisting({
      cwd: params.cwd,
      sessionId: params.sessionId,
      mcpServers: params.mcpServers,
      mode: 'resume',
    });
    this.scheduleAvailableCommandsUpdate(session.id);
    return { configOptions };
  }

  /**
   * Shared setup for `session/load` and `session/resume`: gates auth,