feat: 新增异步节点，优化 API 调用和模型配置

- 新增 NanoBananaProAsync 异步节点，支持异步提交+轮询模式
- 异步节点默认使用 URL 格式返回，移除返回格式和图片搜索参数
- 代理端口参数重命名为"代理端口"
- Gemini 客户端移除 TEXT 响应模式，仅保留 IMAGE
- 更新 UniversalLLM 支持的模型列表
- 新增异步 API 基础 URL 配置支持

__init__.py

@@ -12,7 +12,7 @@ Comfyui_o1key - ComfyUI 自定义节点集合
 
 import ssl
 
-from .nodes import NanoBananaPro, BatchNanoBananaPro, GoogleGemini, LoadFile, ImageStitchPro, SaveCleanImage, BatchCleanMetadata, VideoPreview, GoogleVeo, FluxImageEdit, UniversalLLMChat, KlingVideo, KlingFirstLastFrame, KlingMotionControlTest, AspectRatioPreset, MultiResPreview, BatchImagesO1key, Seedance, SeedanceMultiModal, StreamPreview, DoubaoImage, O1keyGPTImage, KVideo
+from .nodes import NanoBananaPro, NanoBananaProAsync, BatchNanoBananaPro, GoogleGemini, LoadFile, ImageStitchPro, SaveCleanImage, BatchCleanMetadata, VideoPreview, GoogleVeo, FluxImageEdit, UniversalLLMChat, KlingVideo, KlingFirstLastFrame, KlingMotionControlTest, AspectRatioPreset, MultiResPreview, BatchImagesO1key, Seedance, SeedanceMultiModal, StreamPreview, DoubaoImage, O1keyGPTImage, KVideo
 from .nodes import K3Video, K3VideoFirstLast, K3MotionControl, K3MotionVideoCheck
 
 # 报错弹框友好文案（不修改原节点代码，仅在外层统一处理）
@@ -46,11 +46,13 @@ def _wrap_generate_for_error_display(cls, attr="generate"):
     setattr(cls, attr, wrapped)
 
 _wrap_generate_for_error_display(NanoBananaPro)
+_wrap_generate_for_error_display(NanoBananaProAsync)
 _wrap_generate_for_error_display(BatchNanoBananaPro)
 
 # ComfyUI 节点注册
 NODE_CLASS_MAPPINGS = {
     "NanoBananaPro": NanoBananaPro,
+    "NanoBananaProAsync": NanoBananaProAsync,
     "BatchNanoBananaPro": BatchNanoBananaPro,
     "GoogleGemini": GoogleGemini,
     "LoadFile": LoadFile,
@@ -81,6 +83,7 @@ NODE_CLASS_MAPPINGS = {
 
 NODE_DISPLAY_NAME_MAPPINGS = {
     "NanoBananaPro": "Nano Banana",
+    "NanoBananaProAsync": "Nano Banana（异步）",
     "BatchNanoBananaPro": "批量 Nano Banana",
     "GoogleGemini": "Google Gemini",
     "LoadFile": "加载文件",