DB endpoint=https://ark.cn-beijing.volces.com/api/v3/chat/completions model=ep-20260605161826-r2b4m keyLen=46
Direct HTTP status=200
{"choices":[{"finish_reason":"stop","index":0,"logprobs":null,"message":{"content":"OK ?","role":"assistant"}}],"created":1782262190,"id":"021782262189724d229a9114d6aef8e6b28a3d3cb102a6b9e95e1","model":"doubao-seed-1-8-251228","service_tier":"default","object":"chat.completion","usage":{"completion_tokens":3,"prompt_tokens":51,"total_tokens":54,"prompt_tokens_details":{"cached_tokens":0},"completion_tokens_details":{"reasoning_tokens":0}}}
Login status=200 token=OK

Simulate HTTP 200
{"msg":"操作成功","code":200,"data":{"instanceId":599,"reply":"请回复客户。","intent":"inquiry","sentiment":"0.35","nodeCode":"START","nextNodeCode":null,"qualityScore":119,"transferredToHuman":false,"uddUsed":false,"surfaceQuestionType":null,"shouldProbe":false,"probeQuestion":null,"mode":"engine"}}