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deepseek-harness/docs/subsystems/credentials.zh.md
Tianyi Cui ba3125234a docs: rename core-data-structures/ to subsystems/
The folder is becoming the home of one-doc-per-subsystem pages (intro +
data structures + cordis services/events), so the name must describe the
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rename rebuilt on current master: every inbound Markdown link, generator
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用户凭据

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dsh-credentials 的凭据 seam 把机密挡在配置之外settings 分节与 cordis.yml 条目携带的是引用(环境变量名),值归 dsh-credentials-local 这类 provider 所有消费方每个操作解析一次引用——LLM 适配器每次模型请求解析一次,因此轮换后的凭据无需任何重启即可作用于紧随其后的下一次请求。一条 seam 级规则约束每个 provider空的存储值在任何地方都视为不存在。

Source: packages/credentials/credentials/src/index.ts

标识

引用以 POSIX 风格环境变量名命名一条凭据。brand 使引用不与其他跨边界字符串混用;构造时校验 shell 标识符形态。

/** Nominal reference to one credential: a POSIX-style environment-variable name. */
type CredentialRef = Branded<'CredentialRef'>

解析

resolve(ref) 返回值,连同供出该值、由 provider 定义的来源层;未配置期间返回 undefined。消费方在每个操作中重新解析,绝不跨操作缓存——这次按操作进行的读取正是热更新机制。

/** One resolved credential value and the source layer that supplied it. */
interface ResolvedCredential {
  /** The non-empty secret value. */
  value: string
  /** Provider-defined source layer id (the local provider uses `env`, `file`, `project-env`, and `user-env`). */
  source: string
}

描述

describe(ref) 在绝不暴露值的前提下回应配置界面:引用当前是否可解析、来自哪一层、set 当前能否成功。本地 provider 把由活跃进程环境供值的引用报告为 writable: false——那样的写入会表面成功而解析持续返回遮蔽值,因此 seam 直接拒绝,界面也得以提前把该引用渲染为只读。

/** Source and writability facts for one reference, safe for configuration UIs — never the value. */
interface CredentialInfo {
  /** Whether {@link Credentials.resolve} would currently return a value. */
  configured: boolean
  /** Source layer currently supplying the value; absent while unconfigured. */
  source?: string
  /** Whether {@link Credentials.set} would currently succeed for this reference. */
  writable: boolean
}

变更提交

credentials/updated (ref) 在 provider 管理的来源发生已提交变更后触发——setunset 或在存储中观察到的外部编辑。进程环境自身的变化不可观测,永不发出事件。消费方不需要该事件(它们按操作重新解析);它服务于配置界面刷新「已配置」徽标。