feat(memory): 实现知识图谱与双通道检索
- 新增 KnowledgeGraph trait + InMemoryGraph(BFS 图遍历 + 标签管理) - 扩展 MemoryRetriever 为双通道检索(Hybrid/KnowledgeOnly/GraphOnly) - 统一 RetrievalResult 为 RetrievalItem enum 变体 - GraphRelation 使用复合键 + composite_key() 派生 id - 旧 ScoredItem 标注 #[deprecated] - 新增 knowledge_graph_demo 示例 - 全量测试 427 passed,clippy/doc 0 警告
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@@ -2,6 +2,7 @@
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pub mod conversation;
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pub mod error;
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pub mod graph;
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pub mod knowledge;
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pub mod retriever;
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pub mod store;
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@@ -12,6 +13,7 @@ pub mod vector_store;
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// 高频类型(大多数下游需要)
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pub use conversation::{ConversationMemory, ConversationMemoryConfig};
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pub use error::MemoryError;
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pub use graph::{GraphEntity, GraphRelation, InMemoryGraph, KnowledgeGraph, RelationDirection, ScoredEntity};
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pub use knowledge::KnowledgeStore;
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pub use retriever::MemoryRetriever;
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pub use store::{InMemoryStore, MemoryStore, SqliteStore};
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@@ -21,7 +23,10 @@ pub use vector_store::{InMemoryVectorStore, PersistentVectorStore, RagPipeline,
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// 低频类型(配置/高级使用)
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pub use conversation::MemoryStrategy;
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pub use graph::TagConstraints;
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pub use knowledge::{KNOWLEDGE_PREFIX, PageIndexEntry};
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pub use retriever::{RetrievalResult, RetrieverConfig, ScoredItem};
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#[allow(deprecated)]
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pub use retriever::ScoredItem;
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pub use retriever::{RetrievalItem, RetrievalResult, RetrievalStrategy, RetrieverConfig};
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pub use store::{EvictionConfig, EvictionPolicy};
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pub use types::{KnowledgePage, MemoryFilter, MemoryItem};
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