refactor: 重命名 gpt_image 节点并优化分辨率显示与模型映射

- nodes/o1key_gpt_image.py → nodes/gpt_image.py
- 分辨率下拉扩充至 8 项并添加中文说明，generate() 内解析显示值再传 API
- 补充 gpt-image-2-特价 → gpt-image-2-special 映射
- edits 接口日志移除未实际发送的 quality/background 字段

Co-Authored-By: Claude Sonnet 4.5 <[email protected]>

nodes/__init__.py

@@ -19,6 +19,6 @@ from .multi_res_preview import MultiResPreview
 from .batch_images_o1key import BatchImagesO1key
 from .seedance_video import Seedance, SeedanceMultiModal
 from .doubao_image import DoubaoImage
-from .o1key_gpt_image import O1keyGPTImage
+from .gpt_image import O1keyGPTImage
 
 __all__ = ['NanoBananaPro', 'BatchNanoBananaPro', 'GoogleGemini', 'LoadFile', 'ImageStitchPro', 'SaveCleanImage', 'BatchCleanMetadata', 'VideoPreview', 'KlingVideo', 'KlingFirstLastFrame', 'KlingMotionControlTest', 'AspectRatioPreset', 'GoogleVeo', 'FluxImageEdit', 'UniversalLLMChat', 'MultiResPreview', 'BatchImagesO1key', 'Seedance', 'SeedanceMultiModal', 'StreamPreview', 'DoubaoImage', 'O1keyGPTImage']

nodes/gpt_image.py

@@ -48,8 +48,17 @@ class O1keyGPTImage:
                 ], {
                     "default": "gpt-image-1.5",
                 }),
-                "分辨率": (["auto", "1024x1024", "1024x1536", "1536x1024"], {
-                    "default": "auto",
+                "分辨率": ([
+                    "auto（默认）",
+                    "1024x1024（正方形）",
+                    "1536x1024（景观）",
+                    "1024x1536（肖像）",
+                    "2048x2048（2K 平方）",
+                    "2048x1152（2K 横屏）",
+                    "3840x2160（4K 横屏）",
+                    "2160x3840（4K 竖屏）",
+                ], {
+                    "default": "auto（默认）",
                     "tooltip": "Image size (auto = API decides)",
                 }),
                 "生图数量": ("INT", {
@@ -111,6 +120,9 @@ class O1keyGPTImage:
         if 遮罩 is not None and 图片 is None:
             raise ValueError("提供了遮罩但未提供图片，请同时提供图片和遮罩")
 
+        # ── 2. 解析分辨率显示值 → API 参数值 ──────────────────────────────────
+        size = 分辨率.split("（")[0].strip()
+
         # ── 2. 创建客户端 ─────────────────────────────────────────────────────
         try:
             client = GptImageClient()
@@ -127,7 +139,7 @@ class O1keyGPTImage:
                 model=模型,
                 quality="low",
                 background="auto",
-                size=分辨率,
+                size=size,
                 n=生图数量,
                 seed=seed,
                 image_tensor=图片,