Agentic Engineering 生产级实战：2026 年 AI Agent 系统架构、记忆管理与工具编排全景指南

graph TB
    subgraph "短期记忆"
        Context[当前对话上下文]
        Window[滑动窗口管理]
        Summary[上下文摘要]
    end
    
    subgraph "工作记忆"
        TaskState[任务状态]
        Scratch[草稿/中间结果]
        History[近期交互历史]
    end
    
    subgraph "长期记忆"
        Episodic[情景记忆]
        Semantic[语义记忆]
        Procedural[程序性记忆]
    end
    
    Context --> Window --> Summary
    Summary --> TaskState
    TaskState --> Scratch
    Scratch --> History
    History --> Episodic
    Episodic --> Semantic
    Semantic --> Procedural
    
    classDef ctx fill:#991b1b,stroke:#b91c1c,color:#fff;
    class Context ctx
    classDef epi fill:#991b1b,stroke:#b91c1c,color:#fff;
    class Episodic epi
    classDef sem fill:#991b1b,stroke:#b91c1c,color:#fff;
    class Semantic sem

graph LR
    A["v1: 单工具调用"] --> B["v2: 工具链（串行）"]
    B --> C["v3: 工具 DAG（并行+条件）"]
    C --> D["v4: 动态工具发现"]
    D --> E["v5: 工具自治编排"]
    
    classDef sa fill:#991b1b,stroke:#b91c1c,color:#fff;
    class A sa
    classDef sb fill:#991b1b,stroke:#b91c1c,color:#fff;
    class B sb
    classDef sc fill:#991b1b,stroke:#b91c1c,color:#fff;
    class C sc
    classDef sd fill:#991b1b,stroke:#b91c1c,color:#fff;
    class D sd
    classDef se fill:#991b1b,stroke:#b91c1c,color:#fff;
    class E se

graph TB
    subgraph "评测维度"
        A[准确性 Accuracy]
        B[效率 Efficiency]
        C[鲁棒性 Robustness]
        D[安全性 Safety]
        E[成本 Cost]
    end
    
    subgraph "评测方法"
        F[单元测试]
        G[集成测试]
        H[基准测试]
        I[A/B 测试]
        J[人工评估]
    end
    
    subgraph "评测指标"
        K[任务完成率]
        L[平均步数]
        M[Token 消耗]
        N[错误率]
        O[响应时间]
    end
    
    A --> F
    B --> G
    C --> H
    D --> I
    E --> J
    
    F --> K
    G --> L
    H --> M
    I --> N
    J --> O

graph TB
    subgraph "接入层"
        LB[负载均衡]
        Gateway[API Gateway]
        Auth[认证鉴权]
    end
    
    subgraph "服务层"
        AgentService[Agent 服务]
        ToolService[工具服务]
        MemoryService[记忆服务]
    end
    
    subgraph "基础设施"
        LLM[LLM 推理集群]
        VectorDB[向量数据库]
        Cache[缓存层 Redis]
        Queue[消息队列]
    end
    
    subgraph "可观测性"
        Logging[日志收集]
        Tracing[链路追踪]
        Metrics[指标监控]
        Alerting[告警系统]
    end
    
    LB --> Gateway --> Auth --> AgentService
    AgentService --> ToolService
    AgentService --> MemoryService
    AgentService --> LLM
    MemoryService --> VectorDB
    ToolService --> Cache
    AgentService --> Queue
    
    AgentService --> Logging
    AgentService --> Tracing
    AgentService --> Metrics
    Metrics --> Alerting
    
    classDef ags fill:#991b1b,stroke:#b91c1c,color:#fff;
    class AgentService ags
    classDef llm fill:#991b1b,stroke:#b91c1c,color:#fff;
    class LLM llm
    classDef tra fill:#991b1b,stroke:#b91c1c,color:#fff;
    class Tracing tra