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174 lines
6.6 KiB
Python
174 lines
6.6 KiB
Python
"""
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记忆域类型定义
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"""
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from typing import Any
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from pydantic import BaseModel, ConfigDict, Field
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from zhenxun.services.ai.context.memory.storage.interfaces import (
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BaseChatContext,
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BaseMemoryIngestionMiddleware,
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BaseMemoryReducer,
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BaseSlotContext,
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)
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from zhenxun.services.ai.context.memory.types import (
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AutoRecallPolicy,
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Isolation,
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MemorySlot,
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SessionMetadata,
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)
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from zhenxun.services.ai.context.rag.backends import Embedder, StorageBackend
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from zhenxun.services.ai.context.rag.engine import ScopedRAGClient
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from zhenxun.services.ai.utils.scope import ScopeBuilder
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class SlotMemoryConfig(BaseModel):
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"""槽位记忆 (Memory Slots) 配置"""
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model_config = ConfigDict(arbitrary_types_allowed=True)
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enable: bool = Field(default=False)
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"""是否启用中期记忆槽"""
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scopes: dict[str, ScopeBuilder] | None = Field(default=None)
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"""语义化作用域映射字典,供大模型作为 Literal 选择。如果只有一个,则自动隐藏参数"""
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default_slots: list[MemorySlot] = Field(default_factory=list)
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"""首次初始化时自动写入的默认槽位列表"""
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backend: str | BaseSlotContext | None = Field(default=None)
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"""
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指定底层槽位记忆数据库注册名称,或直接传入 BaseSlotContext 实例。
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为空则使用全局默认
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"""
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instructions: str | None = Field(default=None)
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"""覆写内置槽位管理工具箱的系统提示词"""
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toolkit_kwargs: dict[str, Any] = Field(default_factory=dict)
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"""透传给底层 MemorySlotToolkit 的高级参数 (如 prefix, exclude, shared_options)"""
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class MemoryScoringConfig(BaseModel):
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"""长期记忆的复合打分与检索配置"""
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recency_weight: float = Field(default=0.3)
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"""时间衰减权重"""
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semantic_weight: float = Field(default=0.5)
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"""语义相似度权重"""
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importance_weight: float = Field(default=0.2)
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"""重要性权重"""
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recency_half_life_days: int = Field(default=30)
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"""时间衰减的半衰期(天)"""
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reinforcement_weight: float = Field(default=0.2)
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"""访问强化的加权权重 (被检索越多得分越高)"""
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class ShortTermConfig(BaseModel):
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"""短期对话记忆配置"""
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model_config = ConfigDict(arbitrary_types_allowed=True)
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enable: bool = Field(default=True)
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"""是否启用短期对话记忆上下文"""
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backend: str | BaseChatContext | None = Field(default=None)
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"""
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指定底层短期记忆数据库注册名称,或直接传入 BaseChatContext 实例。
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为空则使用全局默认
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"""
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isolation: ScopeBuilder = Field(default_factory=Isolation.AGENT_USER)
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"""单一的记忆隔离级别 (ScopeBuilder),决定短期记忆存储边界"""
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class LongTermConfig(BaseModel):
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"""长期向量记忆配置"""
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model_config = ConfigDict(arbitrary_types_allowed=True)
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enable: bool = Field(default=False)
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"""是否启用长期记忆(开启后自动赋予 Agent 存取记忆的工具,并附加 RAG 召回能力)"""
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engine: ScopedRAGClient | None = Field(default=None)
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"""
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[推荐] 指定底层的高级 RAG 检索引擎实例。若传入此项,将覆盖默认的 backend
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和 embedder 配置。
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"""
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backend: str | StorageBackend | None = Field(default=None)
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"""
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指定底层长期向量数据库 (Storage) 注册名称,或直接传入 StorageBackend 实例。
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为空则使用全局默认
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"""
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scopes: dict[str, ScopeBuilder] | None = Field(default=None)
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"""语义化作用域映射字典,决定长期记忆存储边界。如果只有一个,则自动隐藏参数"""
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embedder: str | Embedder | None = Field(default=None)
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"""
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指定底层向量化引擎 (Embedder) 实例,若为字符串则视为 API 模型名称。
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为空则使用全局默认
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"""
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agentic: bool = Field(default=True)
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"""是否赋予大模型主动管理记忆的能力 (Agentic Memory)"""
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auto_recall: AutoRecallPolicy = Field(default=False)
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"""长期记忆的自动召回策略,默认 False (从不自动召回),由大模型自主
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决定调用搜索工具"""
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recall_threshold: float = Field(default=0.5)
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"""长期记忆召回的最低余弦相似度要求"""
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instructions: str | None = Field(default=None)
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"""覆写内置长期记忆管理工具箱的系统提示词"""
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toolkit_kwargs: dict[str, Any] = Field(default_factory=dict)
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"""透传给底层 MemoryManagementToolkit 的高级参数"""
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class ContextCompressionConfig(BaseModel):
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"""上下文压缩与管理配置"""
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model_config = ConfigDict(arbitrary_types_allowed=True)
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threshold: float | None = Field(default=None)
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"""(局部重写) 触发记忆压缩的 Token 阈值"""
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max_history_turns: int | None = Field(default=None)
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"""(局部重写) 触发记忆压缩的对话轮数上限。设为 0 表示不限制轮数。"""
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vision_window: int | None = Field(default=None)
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"""多模态滑动窗口大小。0表示关闭该功能,>0表示仅保留最近N轮包含多模态数据的消息,None表示跟随全局配置。"""
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policy: list[BaseMemoryReducer] | None = Field(default=None)
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"""核心记忆压缩策略管线 (List[BaseMemoryReducer])。为 None 时将应用全局默认策略。"""
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class IngestionConfig(BaseModel):
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"""记忆入库管线配置"""
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model_config = ConfigDict(arbitrary_types_allowed=True)
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middlewares: list[BaseMemoryIngestionMiddleware] = Field(default_factory=list)
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"""入库中间件列表(按顺序依次执行清洗过滤)"""
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class MemoryConfig(BaseModel):
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"""统一的记忆配置项声明"""
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model_config = ConfigDict(arbitrary_types_allowed=True)
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base_isolation: ScopeBuilder = Field(default_factory=Isolation.AGENT_USER)
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"""顶层基准隔离级别,短期/中期/长期记忆将默认继承此级别"""
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short_term: ShortTermConfig = Field(default_factory=ShortTermConfig)
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"""短期对话记忆配置"""
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slots: SlotMemoryConfig = Field(default_factory=SlotMemoryConfig)
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"""槽位记忆配置"""
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long_term: LongTermConfig = Field(default_factory=LongTermConfig)
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"""长期向量记忆配置"""
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compression: ContextCompressionConfig = Field(
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default_factory=ContextCompressionConfig
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)
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"""上下文压缩与管理配置"""
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ingestion: IngestionConfig = Field(default_factory=IngestionConfig)
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"""记忆入库前的清洗与过滤管线配置"""
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__all__ = [
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"AutoRecallPolicy",
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"BaseMemoryIngestionMiddleware",
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"ContextCompressionConfig",
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"IngestionConfig",
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"Isolation",
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"LongTermConfig",
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"MemoryConfig",
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"MemoryScoringConfig",
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"SessionMetadata",
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"ShortTermConfig",
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]
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