feat(agent-presets): add Codex and Claude Code subagent tools
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pku-xht
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# side as of the last confirmed-consistent state. Both languages carry equal authority;
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# after editing either side, bring the other along and re-record with:
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# pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-08-04-claude-code-and-codex-subagent-backends.md
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2026-08-04-claude-code-and-codex-subagent-backends.md: e81d1fb14f719331c503dba539d6a5ec0f1eed4f
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2026-08-04-claude-code-and-codex-subagent-backends.zh.md: aa6d80e38c12a2808a27e93bde8aec5d71e6a509
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2026-08-04-claude-code-and-codex-subagent-backends.md: cf41190c2d03965106e817b50fd2edb806e084bf
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2026-08-04-claude-code-and-codex-subagent-backends.zh.md: e0c9cfc96a68fe919a70af64b23ee7ed33ffcea3
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@@ -12,7 +12,7 @@ The product integrations must not become second owners for task text, cwd, cance
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## Decision
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The harness publishes two sibling one-shot providers as independently installable, opt-in packages. A user loads a provider and the existing common subagent tool in their own `cordis.yml`: `subagent_codex` binds `codex`, while `subagent_claude_code` binds `claude-code`. The shipped CLI dependency closure and base, Web, and headless configurations load neither provider. Each tool accepts only a standalone text task; product selection and background execution are not model arguments.
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The harness publishes two sibling one-shot providers in the shared profile host: `codex` and `claude-code`. Loading the host providers starts no product process. An Agent Preset independently contributes ordinary `dsh-tool-subagent` rows when its agent should see `subagent_codex`, `subagent_claude_code`, both, or neither; the shipped full presets carry both rows disabled so copies have one accurate configuration template without changing the default model schema. Each tool accepts only a standalone text task; product selection and background execution are not model arguments.
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Both providers report `inheritsParentContext: false`, advertise no optional start capabilities, and pass the parent Session cwd without copying the parent conversation. Their documented tools disable background execution and use `maxDepth: 'provider-managed'`, leaving recursion policy with the out-of-process product instead of sending a limit the provider cannot enforce. Every call creates a fresh product process and a non-resumable product conversation. The shared subagent service continues to own request resolution, lifecycle events, result settlement, and foreground collection; the shared subprocess service owns credential scrubbing, process-tree termination, and whole-tree exit observation.
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@@ -47,7 +47,7 @@ Codex 0.146.0 speaks the Responses protocol, while DeepSeek's public OpenAI-comp
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## Claude Code provider
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`@deepseek-ai/dsh-subagent-claude-code` registers the fixed `claude-code` provider and invokes `@anthropic-ai/claude-agent-sdk@0.3.220`. The SDK's platform `optionalDependency` supplies the real Claude Code 2.1.220 CLI. The provider uses the official `query()` entrypoint and passes the SDK's `spawnClaudeCodeProcess` command, arguments, cwd, environment, and forwarded signal unchanged to `dsh-subprocess`; its private `SpawnedProcess` adapter exposes only the stream, event, kill, and exit facts the SDK requires.
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`@deepseek-ai/dsh-subagent-claude-code` registers the fixed `claude-code` provider and invokes `@anthropic-ai/claude-agent-sdk@0.3.220`. Before each run, the provider resolves the fixed `claude` name through the host subprocess execution world and passes that exact path as `pathToClaudeCodeExecutable`; the SDK therefore uses the native product that launched DSH rather than selecting its platform `optionalDependency`. The provider uses the official `query()` entrypoint and passes the SDK's `spawnClaudeCodeProcess` arguments, cwd, environment, and forwarded signal to `dsh-subprocess`; its private `SpawnedProcess` adapter exposes only the stream, event, kill, and exit facts the SDK requires.
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The public configuration contains the same two deployment-owned values as the Codex sibling: an explicit `env` overlay and a positive finite `disposeGraceMs` no greater than the repository's shared `MAX_TIMER_DELAY_MS`. Each run creates its own `AbortController`, sets `persistSession: false`, and disables `AskUserQuestion`. The provider deliberately omits `settingSources`, so the SDK reads the host's normal user, project, and local Claude settings relative to the parent Session cwd. It neither copies nor filters those settings and does not create or modify login state. It supplies no `canUseTool`, elicitation, or dialog callback, so unattended interactions fail through the SDK rather than waiting for a user interface the provider does not own.
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@@ -65,7 +65,7 @@ The Codex evidence pins `@openai/codex@0.146.0` and `codex-cli 0.146.0`. Its rea
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The Codex credentialed e2e registers the production provider, starts the same real app-server, and requests one random nonce through the test-private bridge described above. It fixes the external endpoint and model, stores no credential or request payload, requires exactly one completed upstream response, compares the trimmed product answer byte-for-byte with the nonce, and waits for every managed handle to exit.
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The Claude Code evidence pins Agent SDK 0.3.220 and its platform-distributed Claude Code 2.1.220 CLI. Its real-product spec observes the exact `x-api-key`, original task, byte-exact final answer, inherited temporary host-setting marker, process failure, local cancellation, and whole-tree exit. The Loader e2e resolves both product packages by name while neither product command is available and records zero child starts.
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The Claude Code evidence pins Agent SDK 0.3.220 and a native Claude Code installation compatible with its query protocol. Its real-product spec observes the exact `x-api-key`, original task, byte-exact final answer, inherited temporary host-setting marker, process failure, local cancellation, and whole-tree exit. The Loader and shipped-profile evidence resolve both product packages by name while starting neither product, and the provider suite proves that the SDK receives the executable resolved from the host `PATH`.
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The Claude Code credentialed e2e maps the key and fixed official endpoint only in the provider's in-memory environment, uses the documented `deepseek-v4-pro[1m]` and `deepseek-v4-flash` model variables, and traverses the production provider, official SDK, and real CLI. It compares the trimmed result with a random nonce and proves whole-tree exit without calling the Messages API directly from the test.
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@@ -79,6 +79,10 @@ The project owner's distribution authorization is scoped to the official `@anthr
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**A model-visible product selector.** Product availability and authentication are deployment facts. Two fixed tools keep each schema and provider binding explicit and avoid adding dynamic selection state to the common service.
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**Global product enable settings and a product-specific Web page.** Those controls make Codex and Claude Code exceptions to the Agent Preset composition that already owns one agent's tool set, and one process-wide choice cannot represent two sessions using different presets. The host always supplies the providers; the preset alone decides which fixed tools its agent receives.
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**One shipped preset per product combination.** Four preset variants encode a two-boolean choice in preset identities and multiply every future standard-preset change. Independent ordinary rows express the same result in the user's copied preset without adding a roster taxonomy.
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**Product doubles as required evidence.** Doubles cover exhaustive private protocol branches but do not prove package exports, official distributions, authentication, or real process behavior. Required evidence drives each official product against a loopback model fixture.
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**Plugin-managed login, product home, models, settings, or permissions.** Those choices would create another authority beside each product's native configuration and enlarge a one-shot provider into account management. The providers expose only an explicit environment overlay and teardown grace; unattended interaction fails closed.
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@@ -87,7 +91,7 @@ The project owner's distribution authorization is scoped to the official `@anthr
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## Consequences
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Users can install either or both product providers, bind stable foreground tools in their own Cordis configuration, and delegate one self-contained task through the existing subagent contract. Official product integrations preserve native settings and behavior while shared services retain the sole ownership of task settlement and process-tree quiescence.
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Users copy or author an Agent Preset and independently enable either or both stable foreground tools. Every profile host supplies the reusable providers once, while each preset owns only its agent's model-visible tool rows. Official product integrations preserve native settings and behavior while shared services retain the sole ownership of task settlement and process-tree quiescence.
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Every delegation pays for a fresh product process and independent model context, and only final text reaches the parent. Product-native configuration makes behavior depend on the deployment's installed product, account state, and workspace settings. Credentialed e2e runs also spend external API quota and depend on the official DeepSeek endpoint; deterministic protocol, failure, cancellation, and approval coverage remains in the keyless tier. The providers do not resume sessions, stream progress, accept new human interaction, roll back tool or file side effects, or impose a wall-clock timeout.
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@@ -12,7 +12,7 @@ Status: implemented
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## 决策
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harness 将两个一次性兄弟提供方作为可独立安装、选择启用的包交付。用户在自己的 `cordis.yml` 中加载提供方与现有的通用 subagent 工具：`subagent_codex` 绑定 `codex`，`subagent_claude_code` 绑定 `claude-code`。随产品交付的 CLI（命令行界面）依赖闭包，以及基础、Web 与 headless 配置都不会加载任一提供方。每个工具只接受独立文本任务；产品选择与后台执行都不作为模型参数。
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harness 在共享 profile 宿主中交付两个一次性兄弟提供方：`codex` 与 `claude-code`。加载宿主提供方不会启动产品进程。某个 Agent Preset 是否让自己的 agent 看见 `subagent_codex`、`subagent_claude_code`、两者或两者皆无，由该 preset 独立贡献普通的 `dsh-tool-subagent` 行；随附的完整 preset 携带两条默认禁用的行，使复制品拥有一份准确配置模板，同时不改变默认模型 schema。每个工具只接受独立文本任务；产品选择与后台执行都不作为模型参数。
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这两个提供方都报告 `inheritsParentContext: false`，不声明任何可选的启动能力，并传递父会话 cwd，但不会复制父级对话。文档所示的工具会禁用后台执行，并使用 `maxDepth: 'provider-managed'`，将递归策略留给进程外产品，而不是发送提供方无法强制执行的限制。每次调用都会创建一个全新的产品进程和一次不可续接的产品对话。共享 subagent 服务继续负责请求解析、生命周期事件、结果结算和前台收集；共享子进程服务负责凭证清洗、进程树终止以及整棵进程树的退出观测。
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@@ -47,7 +47,7 @@ Codex 0.146.0 使用 Responses 协议，而 DeepSeek 的公开 OpenAI 兼容端
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## Claude Code 提供方
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`@deepseek-ai/dsh-subagent-claude-code` 注册固定的 `claude-code` 提供方，并调用 `@anthropic-ai/claude-agent-sdk@0.3.220`。SDK 的平台 `optionalDependency` 提供真实的 Claude Code 2.1.220 CLI。提供方使用官方 `query()` 入口点，并将 SDK 的 `spawnClaudeCodeProcess` 命令、参数、cwd、环境和转发的信号原样传入 `dsh-subprocess`；其私有 `SpawnedProcess` 适配器只公开 SDK 所需的流、事件、终止和退出事实。
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`@deepseek-ai/dsh-subagent-claude-code` 注册固定的 `claude-code` 提供方，并调用 `@anthropic-ai/claude-agent-sdk@0.3.220`。每次运行前，提供方经宿主 subprocess 执行世界解析固定名称 `claude`，并把准确路径作为 `pathToClaudeCodeExecutable` 交给 SDK；SDK 因此使用启动 DSH 的原生产品，而不是选择自身的 platform `optionalDependency`。提供方使用官方 `query()` 入口点，并将 SDK 的 `spawnClaudeCodeProcess` 参数、cwd、环境和转发的信号交给 `dsh-subprocess`；其私有 `SpawnedProcess` 适配器只公开 SDK 所需的流、事件、终止和退出事实。
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公开配置包含与 Codex 兄弟提供方相同、由部署方负责的两个值：显式的 `env` 覆盖项，以及须为正有限值且不得大于仓库共享 `MAX_TIMER_DELAY_MS` 的 `disposeGraceMs`。每次运行都会创建自己的 `AbortController`，设置 `persistSession: false` 并禁用 `AskUserQuestion`。提供方故意省略 `settingSources`，因此 SDK 会相对于父会话 cwd 读取宿主机常规的用户、项目和本地 Claude 设置。它既不复制也不过滤这些设置，也不会创建或修改登录状态。提供方不设置 `canUseTool`、elicitation 或对话回调，因此无人值守交互会经 SDK 失败，而不会等待本提供方不负责的用户界面。
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@@ -65,7 +65,7 @@ Codex 证据锁定 `@openai/codex@0.146.0` 与 `codex-cli 0.146.0`。其真实
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带密钥 Codex e2e 会注册生产提供方，启动同样的真实 app-server，并通过上述测试专用桥接层请求一个随机数。该测试固定外部端点与模型，不存储任何凭据或请求载荷，要求上游恰好完成一次响应，将去除首尾空白后的产品答案与该随机数逐字节比较，并等待所有受管句柄退出。
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Claude Code 证据锁定 Agent SDK 0.3.220 及其平台分发的 Claude Code 2.1.220 CLI。其真实产品测试会观测确切的 `x-api-key`、原始任务、逐字节完全一致的最终回答、继承的临时宿主设置标记、进程失败、本地取消以及整棵进程树退出。Loader e2e 会在两个产品命令均不可用时按名称解析两个产品包，并记录零次子级启动。
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Claude Code 证据锁定 Agent SDK 0.3.220 及与其查询协议兼容的原生 Claude Code 安装。其真实产品测试会观测确切的 `x-api-key`、原始任务、逐字节完全一致的最终回答、继承的临时宿主设置标记、进程失败、本地取消以及整棵进程树退出。Loader 与随附 profile 证据会按名称解析两个产品包且不启动产品，provider 测试则证明 SDK 收到由宿主 `PATH` 解析出的可执行文件。
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带密钥 Claude Code e2e 仅在提供方的内存环境中映射密钥与固定的官方端点，把模型变量设为文档所示的 `deepseek-v4-pro[1m]` 与 `deepseek-v4-flash`，并实际经过生产提供方、官方 SDK 与真实 CLI。它将去除首尾空白后的结果与一个随机数比较，并证明整棵进程树退出，且测试不会直接调用 Messages API。
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@@ -79,6 +79,10 @@ Claude Code 证据锁定 Agent SDK 0.3.220 及其平台分发的 Claude Code 2.1
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**面向模型的产品选择器。** 产品可用性和身份验证属于部署事实。两个固定工具使各自的 schema 与提供方绑定保持明确，也避免在通用服务中添加动态选择状态。
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**全局产品启用设置与产品专属 Web 页面。** 这类控制会让 Codex 与 Claude Code 成为 Agent Preset 组装的例外，而后者本就拥有单个 agent 的工具集；一个进程级选择也无法表达两个会话使用不同 preset。宿主始终提供 provider，只有 preset 决定其 agent 获得哪些固定工具。
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**为每种产品组合交付一份 preset。** 四个 preset 变体把两个布尔选择编码成 preset 身份，并让未来每次标准 preset 修改都要同步多份副本。用户复制的 preset 中两条独立普通行已经能表达同一结果，无需新增名单分类。
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**以产品替身作为强制证据。** 替身可以穷尽覆盖私有协议分支，但无法证明包导出、官方发行版、身份验证或真实进程行为。强制证据会驱动每个官方产品连接回环模型 fixture（测试前置数据）。
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**由插件管理登录、产品主目录、模型、设置或权限。** 这些选择会在每个产品的原生配置之外建立另一套权威来源，并将一次性提供方扩张为账户管理功能。提供方只公开显式环境覆盖项和清理宽限期；无人值守交互会以默认拒绝方式失败。
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@@ -87,7 +91,7 @@ Claude Code 证据锁定 Agent SDK 0.3.220 及其平台分发的 Claude Code 2.1
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## 后果
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用户可以安装任一或两个产品提供方，在自己的 Cordis 配置中绑定稳定的前台工具，并通过现有 subagent 约定委派一项自包含任务。官方产品集成会保留原生设置与行为，而共享服务继续独占任务结算与进程树完全停稳的责任。
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用户可以复制或创作一个 Agent Preset，并分别启用任一或两个稳定前台工具。每个 profile 宿主只提供一次可复用 provider，而每个 preset 只拥有自己 agent 的模型可见工具行。官方产品集成会保留原生设置与行为，而共享服务继续独占任务结算与进程树完全停稳的责任。
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每次委派都要承担新建产品进程和独立模型上下文的开销，且只有最终文本会到达父级。产品原生配置使行为取决于部署环境中安装的产品、账户状态和工作区设置。带密钥 e2e 运行还会消耗外部 API 配额，并依赖 DeepSeek 官方端点；对协议、失败、取消与审批的确定性覆盖仍由无密钥层级承担。提供方不会恢复会话、以流式方式传送进度、接受新的人工交互、回滚工具或文件副作用，也不会施加按实际经过时间触发的超时。
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