{
"document_id": 1,
"filename": "机器学习入门.pdf",
"file_size": 2097152,
"status": "pending",
"message": "文档上传成功,正在后台处理索引"
}{
"document_id": 1,
"status": "processing",
"chunk_count": null,
"error_message": null
}{
"document_id": 1,
"status": "completed",
"chunk_count": 45,
"error_message": null
}data: {"role": "assistant", "content": "梯度下降"}
data: {"role": "assistant", "content": "是一种"}
data: {"role": "assistant", "content": "优化算法..."}
data: [DONE]
completed 的文档才能用于 RAG 查询/documents/{id}/index 重新触发