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label_backend/specs/001-label-backend-spec/contracts/export.md

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# API 契约:训练数据导出与微调
*所有接口需要 ADMIN 权限*
---
## GET /api/training/samples
**描述**: 分页查询已审批、可导出的训练样本
**查询参数**: `page``pageSize``sampleType`TEXT / IMAGE / VIDEO_FRAME可选`exported`true/false可选
**响应** `200`:
```json
{
"code": "SUCCESS",
"data": {
"items": [
{
"id": 1001,
"sampleType": "TEXT",
"status": "APPROVED",
"exportBatchId": null,
"sourceId": 50,
"createdAt": "2026-04-09T12:00:00"
}
],
"total": 500,
"page": 1,
"pageSize": 20
}
}
```
---
## POST /api/export/batch
**描述**: 创建导出批次,合并选定样本为 JSONL 并上传 RustFS
**请求体**:
```json
{
"sampleIds": [1001, 1002, 1003]
}
```
**成功响应** `201`:
```json
{
"code": "SUCCESS",
"data": {
"id": 10,
"batchUuid": "550e8400-e29b-41d4-a716-446655440000",
"sampleCount": 3,
"datasetFilePath": "export/550e8400.jsonl",
"finetuneStatus": "NOT_STARTED"
}
}
```
**失败**:
- `400` `INVALID_SAMPLES`: 部分样本不处于 APPROVED 状态
- `400` `EMPTY_SAMPLES`: sampleIds 为空
---
## POST /api/export/{batchId}/finetune
**描述**: 向 GLM AI 服务提交微调任务
**响应** `200`:
```json
{
"code": "SUCCESS",
"data": {
"glmJobId": "glm-finetune-abc123",
"finetuneStatus": "RUNNING"
}
}
```
**失败**: `409` `FINETUNE_ALREADY_STARTED`: 微调任务已提交
---
## GET /api/export/{batchId}/status
**描述**: 查询微调任务状态(向 AI 服务实时查询)
**响应** `200`:
```json
{
"code": "SUCCESS",
"data": {
"batchId": 10,
"glmJobId": "glm-finetune-abc123",
"finetuneStatus": "RUNNING",
"progress": 45,
"errorMessage": null
}
}
```
---
## GET /api/export/list
**描述**: 分页查询所有导出批次
**查询参数**: `page``pageSize`
**响应** `200`: 批次列表(含 finetuneStatus、sampleCount、createdAt 等字段)