> For the complete documentation index, see [llms.txt](https://yeasy.gitbook.io/harness_engineering_guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong.md).

# 第二部分：Harness 核心子系统

- [第四章：运行时引擎](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/04_runtime.md)
- [4.1 智能体循环的工程实现](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/04_runtime/4.1_agent_loop.md)
- [4.2 消息类型系统与状态管理](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/04_runtime/4.2_message_state.md)
- [4.3 流式处理与事件驱动架构](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/04_runtime/4.3_streaming.md)
- [4.4 错误处理与故障恢复](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/04_runtime/4.4_error_recovery.md)
- [4.5 长时任务的漂移检测与纠正](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/04_runtime/4.5_drift_correction.md)
- [4.6 Token预算与上下文动态管理](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/04_runtime/4.6_token_budget.md)
- [4.7 实战：MiniHarness 运行时实现](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/04_runtime/4.7_miniharness_runtime.md)
- [4.8 实时控制平面](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/04_runtime/4.8_realtime_control.md)
- [本章小结](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/04_runtime/summary.md)
- [第五章：工具层设计](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/05_tool_layer.md)
- [5.1 工具抽象接口设计](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/05_tool_layer/5.1_abstraction_registry.md)
- [5.2 工具执行流水线](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/05_tool_layer/5.2_execution_pipeline.md)
- [5.3 工具类型体系](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/05_tool_layer/5.3_type_system.md)
- [5.4 动态发现与加载](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/05_tool_layer/5.4_dynamic_loading.md)
- [5.5 实战：MiniHarness 工具层实现](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/05_tool_layer/5.5_miniharness_tools.md)
- [本章小结](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/05_tool_layer/summary.md)
- [第六章：记忆与上下文子系统](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/06_memory.md)
- [6.1 Harness中的记忆系统工程设计](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/06_memory/6.1_memory_architecture.md)
- [6.2 可写入式智能体记忆构建](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/06_memory/6.2_writable_memory.md)
- [6.3 上下文组装引擎与缓存策略](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/06_memory/6.3_context_assembly.md)
- [6.4 记忆整合与自动化维护](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/06_memory/6.4_memory_consolidation.md)
- [6.5 MiniHarness 记忆系统架构](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/06_memory/6.5_miniharness_memory.md)
- [本章小结](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/06_memory/summary.md)
- [第七章：模型集成与输出治理](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/07_model_integration.md)
- [7.1 模型抽象层设计](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/07_model_integration/7.1_model_abstraction.md)
- [7.2 结构化输出解析与校验](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/07_model_integration/7.2_output_parsing.md)
- [7.3 输出质量门控与过滤](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/07_model_integration/7.3_quality_gate.md)
- [7.4 幻觉检测与工具调用验证](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/07_model_integration/7.4_hallucination_detection.md)
- [7.5 推理预算与思考过程管理](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/07_model_integration/7.5_reasoning_budget.md)
- [7.6 实战：实现 MiniHarness 输出治理层](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/07_model_integration/7.6_miniharness_output.md)
- [本章小结](https://yeasy.gitbook.io/harness_engineering_guide/di-er-bu-fen-harness-he-xin-zi-xi-tong/07_model_integration/summary.md)