feat: 新增去背景/PSD分层导出节点，优化聊天面板与重启逻辑

- 新增 O1keyRemoveBackground 节点（基于 rembg CPU 推理）
- 新增 O1keyColorRemoveBG 节点（颜色距离去背景，支持多模式）
- 新增 O1keySavePSD 节点（手写 PSD 二进制，零外部依赖）
- GPT Image 批量输出不同尺寸时自动 resize 对齐
- 聊天面板大幅增强（多模态/交互优化）
- 重启按钮绕过 beforeunload 弹窗强制刷新
- 默认路由切换为 CF加速
- http_error 新增 system error 友好文案

Co-Authored-By: Claude Opus 4.7 <[email protected]>

__init__.py

@@ -22,6 +22,9 @@ logging.getLogger().addFilter(_seeder_filter)
 
 from .nodes import NanoBananaPro, BatchNanoBananaPro, GoogleGemini, LoadFile, ImageStitchPro, BatchCleanMetadata, VideoPreview, GoogleVeo, FluxImageEdit, UniversalLLMChat, KlingVideo, KlingFirstLastFrame, KlingMotionControlTest, AspectRatioPreset, BatchImagesO1key, Seedance, SeedanceMultiModal, StreamPreview, DoubaoImage, O1keyGPTImage, O1keyGrokImage, KVideoFirstLast, KVideoImage2Video
 from .nodes import K3Video, K3VideoFirstLast, K3MotionControl, K3MotionVideoCheck, NanoBananaV2, NanoBananaV2Batch, SaveImageFormat
+from .nodes import O1keySavePSD
+from .nodes import O1keyRemoveBackground
+from .nodes import O1keyColorRemoveBG
 
 # 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。"
@@ -92,6 +95,9 @@ NODE_CLASS_MAPPINGS = {
     "NanoBananaV2": NanoBananaV2,
     "NanoBananaV2Batch": NanoBananaV2Batch,
     "SaveImageFormat": SaveImageFormat,
+    "O1keySavePSD": O1keySavePSD,
+    "O1keyRemoveBackground": O1keyRemoveBackground,
+    "O1keyColorRemoveBG": O1keyColorRemoveBG,
 }
 
 NODE_DISPLAY_NAME_MAPPINGS = {
@@ -127,6 +133,9 @@ NODE_DISPLAY_NAME_MAPPINGS = {
     "NanoBananaV2": "Nano Banana V2",
     "NanoBananaV2Batch": "Nano Banana V2（批量）",
     "SaveImageFormat": "保存图像（格式转换）",
+    "O1keySavePSD": "保存 PSD（分层）",
+    "O1keyRemoveBackground": "去背景（rembg）",
+    "O1keyColorRemoveBG": "颜色去背景",
 }
 
 WEB_DIRECTORY = "./web"
@@ -181,7 +190,7 @@ try:
         test_key = data.get("api_key", "").strip()
         if not test_key:
             return web.json_response({"valid": False, "error": "密钥不能为空"})
-        base_url = NETWORK_ROUTES.get("全球加速", "https://api.o1key.cn")
+        base_url = NETWORK_ROUTES.get("CF加速", "https://cf-api.o1key.com")
         url = f"{base_url}/v1/models"
         headers = {"Authorization": f"Bearer {test_key}"}
         try:
@@ -500,7 +509,7 @@ try:
         if not api_key:
             return web.json_response({"error": "未配置 API Key"}, status=401)
 
-        route = data.get("route", "全球加速")
+        route = data.get("route", "CF加速")
         base_url = NETWORK_ROUTES.get(route, "https://cf-api.o1key.com")
         model = data.get("model", "gpt-5.5")
         messages = data.get("messages", [])