[Bug]: API KEY不满足任何一种已知的密钥格式

### Installation Method | 安装方法与平台

Pip Install (I used latest requirements.txt)

### Version | 版本

Latest | 最新版

### OS | 操作系统

Windows

### Describe the bug | 简述

在OPENAI上申请的API KEY不能被识别

### Screen Shot | 有帮助的截图


### Terminal Traceback & Material to Help Reproduce Bugs | 终端traceback（如有） + 帮助我们复现的测试材料样本（如有）

_No response_

Start by reproducing the OpenAI API-key recognition failure on Windows with the latest requirements.txt and inspect the key-format validation path. The issue provides no traceback or named file, so first identify where API keys are parsed; done means a valid OpenAI key is recognized and the failure has a regression test.

Written by the indexing model from the issue text.