feat: 新增启动欢迎通知、流式预览节点及多项功能更新

- 新增启动弹窗通知（绿色主题，支持关闭）
- 新增 StreamPreview 流式文本预览节点
- 新增 fileUpload、updateNotifier 前端 JS 模块
- 重构多个 client，统一错误处理
- 删除废弃节点 batch_nano_banana_v2、quan_neng_sheng_tu 等
- 将 .config 纳入版本控制（已清空密钥）

nodes/video_preview.py

@@ -1,9 +1,10 @@
 """
-通用视频预览节点
-ComfyUI 自定义节点，接收视频文件路径并在前端展示预览
+视频预览节点
+接收 VIDEO 类型，在前端内嵌播放器预览
 """
 
 import os
+import io
 
 try:
     import folder_paths
@@ -11,8 +12,6 @@ try:
 except ImportError:
     FOLDER_PATHS_AVAILABLE = False
 
-SUPPORTED_VIDEO_EXTENSIONS = {".mp4", ".webm", ".mov", ".avi", ".mkv", ".flv", ".wmv", ".3gp"}
-
 
 def _get_output_dir() -> str:
     if FOLDER_PATHS_AVAILABLE:
@@ -22,86 +21,70 @@ def _get_output_dir() -> str:
 
 
 class VideoPreview:
-    """
-    通用视频预览节点
-
-    功能：
-    - 接收视频文件路径（STRING）
-    - 在 ComfyUI 前端节点上内嵌 <video> 播放器进行预览
-    - 支持 mp4, webm, mov, avi, mkv 等主流格式
-    """
 
     @classmethod
     def INPUT_TYPES(cls):
         return {
             "required": {
-                "预览视频": ("STRING", {"forceInput": True}),
+                "视频": ("VIDEO",),
             },
         }
 
     RETURN_TYPES = ()
     OUTPUT_NODE = True
     FUNCTION = "preview"
-    CATEGORY = "video"
+    CATEGORY = "comfyui_o1key/Utils"
 
-    DESCRIPTION = (
-        "通用视频预览节点。\n"
-        "接收视频文件路径，在节点上显示视频播放器。\n"
-        "支持 mp4, webm, mov, avi, mkv 等主流视频格式。"
-    )
-
-    def preview(self, **kwargs) -> dict:
-        video_path = kwargs.get("预览视频", "")
-        if not video_path or not video_path.strip():
-            raise ValueError("视频路径为空")
-
-        video_path = video_path.strip()
-
-        if not os.path.isfile(video_path):
-            raise ValueError(f"视频文件不存在: {video_path}")
-
-        ext = os.path.splitext(video_path)[1].lower()
-        if ext not in SUPPORTED_VIDEO_EXTENSIONS:
-            raise ValueError(
-                f"不支持的视频格式 '{ext}'，"
-                f"支持: {', '.join(sorted(SUPPORTED_VIDEO_EXTENSIONS))}"
-            )
-
-        output_dir = _get_output_dir()
-        abs_video = os.path.abspath(video_path)
-        abs_output = os.path.abspath(output_dir)
-
-        if abs_video.startswith(abs_output):
-            rel_path = os.path.relpath(abs_video, abs_output)
-            subfolder = os.path.dirname(rel_path).replace("\\", "/")
-            filename = os.path.basename(rel_path)
-            file_type = "output"
-        else:
-            filename = os.path.basename(abs_video)
-            subfolder = ""
-            file_type = "output"
-
-            # 如果文件不在 output 目录下，复制一份到 output/video/
-            target_dir = os.path.join(output_dir, "video")
-            os.makedirs(target_dir, exist_ok=True)
-            target_path = os.path.join(target_dir, filename)
-
-            if not os.path.exists(target_path) or abs_video != os.path.abspath(target_path):
-                import shutil
-                shutil.copy2(abs_video, target_path)
+    def preview(self, 视频) -> dict:
+        # 用官方接口取文件路径
+        source = 视频.get_stream_source()
 
+        if isinstance(source, io.BytesIO):
+            # BytesIO 情况：写到 output/video/ 临时文件
+            output_dir = os.path.join(_get_output_dir(), "video")
+            os.makedirs(output_dir, exist_ok=True)
+            filename = "preview_tmp.mp4"
+            tmp_path = os.path.join(output_dir, filename)
+            source.seek(0)
+            with open(tmp_path, "wb") as f:
+                f.write(source.read())
             subfolder = "video"
+        else:
+            video_path = source
+            output_dir = _get_output_dir()
+            abs_video = os.path.abspath(video_path)
+            abs_output = os.path.abspath(output_dir)
 
-        file_size = os.path.getsize(abs_video)
-        size_mb = file_size / (1024 * 1024)
-        print(f"视频预览: {filename} ({size_mb:.1f}MB)")
+            if abs_video.startswith(abs_output):
+                rel_path = os.path.relpath(abs_video, abs_output)
+                subfolder = os.path.dirname(rel_path).replace("\\", "/")
+                filename = os.path.basename(rel_path)
+            else:
+                # 文件在 output 目录外，复制一份
+                target_dir = os.path.join(output_dir, "video")
+                os.makedirs(target_dir, exist_ok=True)
+                filename = os.path.basename(abs_video)
+                target_path = os.path.join(target_dir, filename)
+                if not os.path.exists(target_path):
+                    import shutil
+                    shutil.copy2(abs_video, target_path)
+                subfolder = "video"
 
         return {
             "ui": {
                 "videos": [{
                     "filename": filename,
                     "subfolder": subfolder,
-                    "type": file_type,
+                    "type": "output",
                 }],
             }
         }
+
+
+NODE_CLASS_MAPPINGS = {
+    "VideoPreview": VideoPreview,
+}
+
+NODE_DISPLAY_NAME_MAPPINGS = {
+    "VideoPreview": "预览视频",
+}