feat: complete Dify client implementation (Day 19)
## Dify 瀹㈡埛绔皝瑁呭畬鎴?鉁? ### 瀹屾垚鐨勫伐浣? 1. 绫诲瀷瀹氫箟 (backend/src/clients/types.ts) - Dataset, Document, Retrieval 鐩稿叧绫诲瀷 - 瀹屾暣鐨?TypeScript 绫诲瀷瀹氫箟 - 鑷畾涔?DifyError 閿欒绫? 2. DifyClient 鏍稿績绫?(backend/src/clients/DifyClient.ts) - 鐭ヨ瘑搴撶鐞? createDataset, getDatasets, getDataset, deleteDataset - 鏂囨。绠$悊: uploadDocumentDirectly, getDocuments, getDocument, deleteDocument - 鐭ヨ瘑搴撴绱? retrieveKnowledge (鏀寔璇箟鎼滅储銆乼op_k銆佺浉浼煎害闃堝€? - 杈呭姪鏂规硶: waitForDocumentProcessing, uploadAndProcessDocument 3. 娴嬭瘯鑴氭湰 (backend/src/scripts/test-dify-client.ts) - 8椤瑰畬鏁存祴璇曞叏閮ㄩ€氳繃 - 娴嬭瘯鑰楁椂绾?5绉? - 楠岃瘉鎵€鏈堿PI鍔熻兘姝e父 ### 娴嬭瘯缁撴灉 鉁?娴嬭瘯1: 鍒涘缓鐭ヨ瘑搴?鉁?娴嬭瘯2: 鑾峰彇鐭ヨ瘑搴撳垪琛?(鎵惧埌3涓? 鉁?娴嬭瘯3: 鑾峰彇鐭ヨ瘑搴撹鎯?鉁?娴嬭瘯4: 涓婁紶鏂囨。 (247 tokens) 鉁?娴嬭瘯5: 鑾峰彇鏂囨。鍒楄〃 鉁?娴嬭瘯6: 鐭ヨ瘑搴撴绱?(鐩镐技搴?.4420) 鉁?娴嬭瘯7: 鍒犻櫎鏂囨。 鉁?娴嬭瘯8: 鍒犻櫎鐭ヨ瘑搴? ### 鎶€鏈寒鐐? - 瀹屽杽鐨勯敊璇鐞嗘満鍒?(axios 鎷︽埅鍣? - 鏅鸿兘杞绛夊緟鏂囨。澶勭悊瀹屾垚 - FormData 鏂囦欢涓婁紶鏀寔 - 鍗曚緥妯″紡瀵煎嚭 - 鏀寔鑷畾涔夐厤缃? ### 渚濊禆鏇存柊 - form-data: ^4.0.0 - @types/form-data: ^2.5.0 ### 閰嶇疆鏇存柊 - DIFY_API_KEY 鏇存柊涓烘湇鍔PI瀵嗛挜 - DIFY_API_URL=http://localhost/v1 ### 鏂囨。鏇存柊 - 鏂板: docs/05-姣忔棩杩涘害/Day19-Dify瀹㈡埛绔皝瑁呭畬鎴?md - 鏇存柊: docs/04-寮€鍙戣鍒?寮€鍙戦噷绋嬬.md (Day 19 鏍囪涓哄畬鎴? ### 涓嬩竴姝? Day 20-22: 鐭ヨ瘑搴撶鐞嗗姛鑳?- 鏁版嵁搴撹〃璁捐 (KnowledgeBase, Document) - 鍚庣 CRUD API - 鍓嶇鐭ヨ瘑搴撶鐞嗛〉闈?- 鏂囨。涓婁紶缁勪欢 --- Progress: 閲岀▼纰?1 (MVP) 90% -> 鐭ヨ瘑搴撶鐞嗗紑鍙戜腑
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@@ -12,7 +12,7 @@
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```
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设计阶段 ████████████████████ 100% (已完成)
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里程碑1 MVP █████████████████░░░ 85% (Week 1-4) 🔄 知识库系统开发中
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里程碑1 MVP ██████████████████░░ 90% (Week 1-4) 🔄 知识库管理开发中
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里程碑2 扩展 ░░░░░░░░░░░░░░░░░░░░ 0% (Week 5-7)
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里程碑3 补充 ░░░░░░░░░░░░░░░░░░░░ 0% (Week 8-9)
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里程碑4 完善 ░░░░░░░░░░░░░░░░░░░░ 0% (Week 10-11)
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@@ -572,37 +572,33 @@ Phase 4: 完善系统(Week 10-11)
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---
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#### Day 19: Dify客户端封装
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- [ ] **创建Dify客户端**
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- `backend/src/clients/dify.ts`
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#### Day 19: Dify客户端封装 ✅ 已完成
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- [x] **创建类型定义**
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- `backend/src/clients/types.ts`
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- 完整的TypeScript类型定义
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- 包含知识库、文档、检索相关类型
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- [ ] **实现知识库API封装**
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```typescript
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class DifyClient {
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// 创建知识库
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async createDataset(name: string, description: string)
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// 上传文档
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async uploadDocument(datasetId: string, file: Buffer, filename: string)
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// 获取文档处理状态
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async getDocumentStatus(documentId: string)
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// 检索知识库
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async retrieveKnowledge(datasetId: string, query: string, topK: number)
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// 删除文档
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async deleteDocument(documentId: string)
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}
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```
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- [x] **实现DifyClient核心类**
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- `backend/src/clients/DifyClient.ts`
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- 知识库管理:创建、列表、详情、删除
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- 文档管理:上传、列表、详情、删除、更新
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- 知识库检索:语义搜索、top_k、相似度阈值
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- 辅助方法:轮询等待、一键上传
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- [x] **完整测试验证**
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- ✅ 测试1:创建知识库
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- ✅ 测试2:获取知识库列表(找到3个)
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- ✅ 测试3:获取知识库详情
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- ✅ 测试4:上传文档(247 tokens)
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- ✅ 测试5:获取文档列表
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- ✅ 测试6:知识库检索(找到1条结果,相似度0.4420)
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- ✅ 测试7:删除文档
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- ✅ 测试8:删除知识库
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- [ ] **测试Dify API**
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- 测试创建知识库
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- 测试上传文档
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- 测试查询文档状态
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- 测试检索功能
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**验收:** ✅ Dify客户端所有API测试通过,耗时约15秒
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**验收:** Dify客户端能正常调用所有API
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**详细总结:** 参见 `docs/05-每日进度/Day19-Dify客户端封装完成.md`
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---
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