feat: add K3 图生视频 自研 node (frontend shell)

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

__init__.py

@@ -22,6 +22,7 @@ except Exception:
 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 K3Video
 
 # 报错弹框友好文案（不修改原节点代码，仅在外层统一处理）
 _MSG_TIMEOUT = "API 请求超时，请稍后重试或检查网络。"
@@ -81,6 +82,7 @@ NODE_CLASS_MAPPINGS = {
     "DoubaoImage": DoubaoImage,
     "O1keyGPTImage": O1keyGPTImage,
     "KVideo": KVideo,
+    "K3Video": K3Video,
 }
 
 NODE_DISPLAY_NAME_MAPPINGS = {
@@ -107,6 +109,7 @@ NODE_DISPLAY_NAME_MAPPINGS = {
     "DoubaoImage": "豆包生图",
     "O1keyGPTImage": "o1key GPT Image",
     "KVideo": "K26 图生视频",
+    "K3Video": "K3 图生视频 自研",
 }
 
 WEB_DIRECTORY = "./web"