通过OpenWebUI使用newapi的gemini实现绘图功能 
编写适配函数处理图像生成请求，关键代码如下： 
"""
title: OpenAI兼容API (聊天与画图管道)
author: dingzhen
version: 0.1.0
"""

from pydantic import BaseModel, Field
from typing import (
    Optional,
    List,
    AsyncGenerator,
    Dict,
    Any,
)  # Added Any for Request if not strictly typed

# 尝试导入Request，如果OpenWebUI环境提供FastAPI/Starlette的Request对象
try:
    from fastapi import Request
except...