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56 lines
2.0 KiB
Markdown
56 lines
2.0 KiB
Markdown
# Agent 启动流程
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本文说明 `Agent.newAgent(appClass).launch()` 的外层启动顺序。
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`Agent.launch()` 负责拉起基础单例、注册配置参与者、注册 Gateway、安装关闭钩子、添加外部模块目录，并启动注册工厂。组件扫描、模块实例化和能力注册的细节见 [注册链](register-chain.md)。
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```mermaid
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flowchart TD
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A["Agent.newAgent(appClass).launch()"] --> B["加载基础单例<br/>ConfigCenter / StateCenter"]
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B --> C["注册 ExceptionReporter"]
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C --> D
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subgraph D["注册 Configurable"]
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direction TB
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D1["LogAdviceProvider.register()"]
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D2["ModelRuntimeRegistry.register()"]
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D3["AgentGatewayRegistry.register()"]
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D4["应用传入的 Configurable.register()"]
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end
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D --> E["注册 AgentGatewayRegistration"]
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E --> F
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subgraph F["注册关闭钩子"]
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direction TB
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F1["preShutdown<br/>AgentGatewayRegistry.close()"]
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F2["preShutdown hooks"]
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F3["postShutdown<br/>StateCenter.save()"]
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F4["postShutdown<br/>TraceSinkRegistry.close()"]
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F5["postShutdown<br/>ConfigCenter.close()"]
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F6["postShutdown hooks"]
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F1 --> F2
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F3 --> F4 --> F5 --> F6
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end
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F --> G["添加外部模块扫描目录<br/>resources/module"]
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G --> H["启动注册工厂<br/>AgentRegisterFactory.launch(application package)"]
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H --> I
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subgraph I["初始化配置系统"]
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direction TB
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I1["ConfigCenter.initAll()<br/>初始化已注册的 Configurable"]
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I2["触发各 Configurable.init(config, json)"]
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I3["ConfigCenter.start()<br/>启动配置监听"]
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I1 --> I2 --> I3
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end
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I --> K["Agent 启动完成"]
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```
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Gateway 的实际 `launch()` 不在 `AgentGatewayRegistration.register()` 中直接发生。Gateway registration 只把可用通道注册到 `AgentGatewayRegistry`；真正的通道创建、启动和默认响应通道设置发生在 `ConfigCenter.initAll()` 阶段，由 `AgentGatewayRegistry.init()` 根据 `gateway.json` 执行。
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