AI的框架
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app/ai/services/memory_service.py
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25
app/ai/services/memory_service.py
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# services/memory_service.py
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from langchain_google_genai import GoogleGenerativeAIEmbeddings
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# 假设你使用的是 pgvector
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async def search_memories(query: str, db_connection):
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"""
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1. 将 query 转化为 Embedding
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2. 在数据库中执行向量相似度搜索
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3. 返回最相关的 Top-K 条记忆
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"""
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# 模拟实现
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embeddings = GoogleGenerativeAIEmbeddings(model="models/embedding-001")
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query_vector = await embeddings.aembed_query(query)
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# 这里执行 SQL: SELECT content FROM memories ORDER BY embedding <=> query_vector LIMIT 3
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results = "用户此前提到过他在做 Gemini 相关的 Hackathon,倾向于使用 Python。"
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return results
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async def save_to_memory(content: str, db_connection):
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"""
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这个函数由你的 '保存' 按钮触发。
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"""
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# 1. 提取 content 中的关键信息(可选,可以用 LLM 提取)
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# 2. 生成 Embedding 并存入数据库
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pass
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