Commit Graph

2 Commits

Author SHA1 Message Date
MerCry 4b64a4dbf4 feat(AISVC-T6.9): 集成Ollama嵌入模型修复RAG检索问题
## 问题修复
- 替换假嵌入(SHA256 hash)为真实Ollama nomic-embed-text嵌入
- 修复Qdrant客户端版本不兼容导致score_threshold参数失效
- 降低默认分数阈值从0.7到0.3

## 新增文件
- ai-service/app/services/embedding/ollama_embedding.py

## 修改文件
- ai-service/app/api/admin/kb.py: 索引任务使用真实嵌入
- ai-service/app/core/config.py: 新增Ollama配置,向量维度改为768
- ai-service/app/core/qdrant_client.py: 移除score_threshold参数
- ai-service/app/services/retrieval/vector_retriever.py: 使用Ollama嵌入
2026-02-24 22:15:53 +08:00
MerCry 0a167d69f0 feat(ai-service): implement LLM Adapter for T3.1 [AC-AISVC-02, AC-AISVC-06]
- Add LLMClient abstract base class with generate/stream_generate interfaces
- Implement OpenAIClient with httpx for OpenAI-compatible API calls
- Add retry logic with tenacity for timeout handling
- Support both non-streaming and streaming generation
- Add comprehensive unit tests for LLM Adapter
- Fix entities.py JSON column type for SQLModel compatibility
2026-02-24 13:19:38 +08:00