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API 参考:分块与标签

分块(chunk)是检索的最小单元,标签用于给文档分类。两组接口都挂在知识库之下,与知识库与知识共用同一套权限规则:读为 Viewer+ 且对父 KB 有 read 权限(API key retrieve),写为「KB 创建者 OR Admin+」且有 write 权限(API key ingest),均受 API key 的 KB 白名单约束。

路由注册:internal/router/routes_knowledge.goRegisterChunkRoutesRegisterKnowledgeTagRoutesRegisterChunkerDebugRoutes

通用约定(Base URL、认证、错误码、分页)见 API 总览

分块(/api/v1/chunks

Handler: internal/handler/chunk.go。读:Viewer+ 且父 KB readAPI key retrieve/full);写:KB 创建者 OR Admin+ 且父 KB writeAPI key ingest/full)。

GET /api/v1/chunks/:knowledge_id

用途:知识的分块列表。

查询参数 类型 必填 说明
page int 默认 1
page_size int 默认 10,上限 100
chunk_type string 可重复,按分块类型过滤

响应:200 {"success":true,"data":[Chunk],"total","page","page_size"}

curl "$BASE/api/v1/chunks/k-1?page=1" -H "Authorization: Bearer $TOKEN"

GET /api/v1/chunks/by-id/:id

用途:按 chunk ID 获取单个分块(无需 knowledge_id)。

响应:200 {"success":true,"data":{Chunk}}

curl $BASE/api/v1/chunks/by-id/c-1 -H "Authorization: Bearer $TOKEN"

PUT /api/v1/chunks/:knowledge_id/:id

用途:编辑分块内容或启停状态(migration 000078 起为带版本的乐观更新)。

字段 类型 必填 说明
content string 新内容,去除首尾空白后不得为空,长度上限 200000 字节
is_enabled bool 启用/停用该分块
expected_revision int 期望的 content_revision,用于乐观并发控制

约束与副作用:

  • text 类型分块可编辑,其它类型返回 400;
  • expected_revision 与当前 content_revision 不一致时返回 409Chunk was modified by another user; refresh and retry);
  • 不允许在编辑中引入源内容里没有的图片 URL;删除 Markdown 图片会同步停用对应的 OCR/caption 子分块;
  • 编辑成功后 content_revision +1,旧版本写入 chunk_revisions 表,index_status 依次经历 processingready;重建检索索引失败时行仍保存但 index_status = failed,可再次提交同样内容触发重试;
  • 子分块编辑会按偏移量回写父分块内容(父分块的 source_content 保持不可变);
  • 内容或启停状态变化会入队一次文档摘要刷新。

响应:200 {"success":true,"data":{Chunk},"summary_status":"pending","description":"..."}

curl -X PUT $BASE/api/v1/chunks/k-1/c-1 -H "Authorization: Bearer $TOKEN" \
  -H 'Content-Type: application/json' -d '{"content":"修正后的内容","expected_revision":2}'

GET /api/v1/chunks/:knowledge_id/:id/revisions

用途:分块的历史版本列表(chunk_revisions 表,按 revision 倒序)。

响应:200 {"success":true,"data":[{ChunkRevision}]},单条包含 revisioncontentis_enablededitor_idedit_sourceedited_at

curl $BASE/api/v1/chunks/k-1/c-1/revisions -H "Authorization: Bearer $TOKEN"

POST /api/v1/chunks/:knowledge_id/:id/revert

用途:回滚到某个历史版本。回滚本身也是一次新编辑:content_revision 继续递增,当前内容会被存为新的历史版本。

字段 类型 必填 说明
revision int 目标历史版本号(非负)
expected_revision int 乐观锁,语义同上,冲突返回 409

响应:200 {"success":true,"data":{Chunk},"summary_status":"...","description":"..."}

curl -X POST $BASE/api/v1/chunks/k-1/c-1/revert -H "Authorization: Bearer $TOKEN" \
  -H 'Content-Type: application/json' -d '{"revision":1}'

DELETE /api/v1/chunks/:knowledge_id/:id

用途:删除单个分块。

响应:200 {"success":true,"message":"Chunk deleted"}

curl -X DELETE $BASE/api/v1/chunks/k-1/c-1 -H "Authorization: Bearer $TOKEN"

DELETE /api/v1/chunks/:knowledge_id

用途:删除知识下全部分块。

响应:200 {"success":true,"message":"All chunks under knowledge deleted"}

curl -X DELETE $BASE/api/v1/chunks/k-1 -H "Authorization: Bearer $TOKEN"

DELETE /api/v1/chunks/by-id/:id/questions

用途:删除该分块下某条生成的问题。请求体:{"question_id":"..."}binding:"required")。

响应:200 {"success":true,"message":"Generated question deleted"}

curl -X DELETE $BASE/api/v1/chunks/by-id/c-1/questions -H "Authorization: Bearer $TOKEN" \
  -H 'Content-Type: application/json' -d '{"question_id":"q-1"}'

PUT /api/v1/chunks/by-id/:id/questions

用途:新增或修改该分块的一条生成问题。请求体:{"question":"...","question_id":"..."}question 必填;question_id 留空表示新增。

响应:200 {"success":true,"data":{GeneratedQuestion}}

curl -X PUT $BASE/api/v1/chunks/by-id/c-1/questions -H "Authorization: Bearer $TOKEN" \
  -H 'Content-Type: application/json' -d '{"question_id":"q-1","question":"WeKnora 如何配置向量库?"}'

POST /api/v1/chunks/by-id/:id/questions/regenerate

用途:基于分块当前内容重新生成检索问题。内容编辑后原有问题不会被删除,而是标记为「过期」(revision 与当前正文不匹配),可用本接口刷新。

响应:200 {"success":true,"data":[{GeneratedQuestion}]}

curl -X POST $BASE/api/v1/chunks/by-id/c-1/questions/regenerate -H "Authorization: Bearer $TOKEN"

标签(/api/v1/knowledge-bases/:id/tags

Handler: internal/handler/tag.go。读:Viewer+ + KB readAPI key retrieve/full);写:KB 创建者 OR Admin+ + KB writeAPI key ingest/full)。

GET /api/v1/knowledge-bases/:id/tags

用途:标签列表。查询参数:pagepage_sizekeyword(均可选)。

响应:200 {"success":true,"data":[KnowledgeTag]}

curl $BASE/api/v1/knowledge-bases/kb-1/tags -H "Authorization: Bearer $TOKEN"

POST /api/v1/knowledge-bases/:id/tags

用途:创建标签。

字段 类型 必填 说明
name string 是(binding:"required" 标签名
color string 颜色
sort_order int 排序

响应:200 {"success":true,"data":{KnowledgeTag}}

curl -X POST $BASE/api/v1/knowledge-bases/kb-1/tags -H "Authorization: Bearer $TOKEN" \
  -H 'Content-Type: application/json' -d '{"name":"售后"}'

PUT /api/v1/knowledge-bases/:id/tags/:tag_id

用途:更新标签(tag_id 支持 UUID 或整数 seq_id)。请求体:name/color/sort_order(指针字段,均可选)。

响应:200 {"success":true,"data":{KnowledgeTag}}

curl -X PUT $BASE/api/v1/knowledge-bases/kb-1/tags/t-1 -H "Authorization: Bearer $TOKEN" \
  -H 'Content-Type: application/json' -d '{"name":"售后支持"}'

DELETE /api/v1/knowledge-bases/:id/tags/:tag_id

用途:删除标签。查询参数:forcebool,强制删除)、content_only(bool,仅删内容保留标签)。请求体(可选):{"exclude_ids":[int64]}

响应:200 {"success":true}

curl -X DELETE "$BASE/api/v1/knowledge-bases/kb-1/tags/t-1?force=true" -H "Authorization: Bearer $TOKEN"

分块调试

POST /api/v1/chunker/preview

用途:无状态分块预览(KB 编辑器调试面板)。权限:Viewer+;API key retrieve/ingest/full。Handler: internal/handler/chunker_debug.go

字段 类型 必填 说明
text string 是(代码校验非空,≤64k 字符) 样例文本
chunking_config.chunk_size int 分块字符数
chunking_config.chunk_overlap int 重叠
chunking_config.separators []string 分隔符
chunking_config.strategy string auto/heading/heuristic/recursive/legacy
chunking_config.token_limit int token 上限
chunking_config.languages []string 语言提示
chunking_config.enable_parent_child bool 按父子分块试切,返回的是子块(与检索粒度一致)
chunking_config.parent_chunk_size / child_chunk_size int 父/子块大小,缺省 4096 / 384

响应:200 {"success":true,"data":{"selected_tier","tier_chain","rejected","profile","chunks":[...],"stats":{count,avg_chars,min_chars,max_chars,stddev_chars,truncated_to}}};文本超长 413;分块超时(5s)504。

curl -X POST $BASE/api/v1/chunker/preview -H "Authorization: Bearer $TOKEN" \
  -H 'Content-Type: application/json' -d '{"text":"# 标题\n正文...","chunking_config":{"chunk_size":512}}'