feat(*): 图片模型渠道 - 新增 Grok JSON 生图与单图编辑协议

web/src/pages/settings/channel-video-pricing.tsx

@@ -181,6 +181,7 @@ function defaultProtocolForModel(channel: ModelChannel, model: string): ModelPro
     if (channel.interfaceType) return channel.interfaceType;
     if (channel.apiFormat === "gemini" && modelMatchesCapability(model, "video")) return "gemini-veo";
     if (modelMatchesCapability(model, "video")) return "newapi";
+    if (modelOptionName(model).trim().toLowerCase().startsWith("grok-imagine-image")) return "grok-image";
     if (modelMatchesCapability(model, "image")) return "openai-image";
     return "chat-completion";
 }