- custom 上游新增 protocol 选项(openai|vivid);vivid 走 POST /v1/generate NDJSON 流:跳过心跳空行,取末行终态, 断流携 jobId 重连不重复扣费;参考图先 POST /v1/uploads 拿预签名再 PUT 直传;错误码 4011/4002/4293/5001/4001 分类 - 添加上游弹窗加协议二选一;账号 meta 存 protocol 并可回显 - 附 vivid 链路单测(成功流/URL 透传/失败帧/错误码/两步上传) Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>