docs(agent-notes): archive superseded dsh entrypoint decision
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Tianyi Cui
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# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
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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/simplification/2026-08-03-explicit-config-dsh-entrypoint.md
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2026-08-03-explicit-config-dsh-entrypoint.md: e0d1e954d9cef472ea59345a3d2ef5a67bd03ae8
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2026-08-03-explicit-config-dsh-entrypoint.zh.md: 614c2d8600731d85c83d6559bc577350da25e872
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# Agent Note: Explicit-config dsh entrypoint
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Status: implemented
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English | [中文](2026-08-03-explicit-config-dsh-entrypoint.zh.md)
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## Problem
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Bare `dsh` selected a product TUI implicitly. That made one command own terminal lifecycle, session identity and resume handoff, onboarding, source-workspace shortcuts, guided upgrade sessions, personal config watching, and a large app-level PTY and transcript snapshot suite. The default also hid the actual composition boundary: `--config` was an optional third layer over a TUI overlay rather than the deployment definition a raw launcher needs.
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The shared base is intentionally neutral: it provides capabilities but creates no startup agent or interaction front door. A neutral base paired with an implicit application made raw config composition less explicit and kept product policy in the CLI rather than in the caller-selected overlay.
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## Decision
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Raw executable use is `dsh --config <path>`. The named file must be an Include patch list and is applied directly over `apps/cli/config/base.cordis.yml` at the same include level. It is required for boot, is not a complete replacement tree, and does not inherit `apps/cli/config/web.cordis.yml` or `$DSH_HOME/config.yaml`. Relative paths resolve from the invoking directory. Boot errors fail loud; SIGINT and SIGTERM dispose the root before exit.
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The raw diagnostic forms remain boot-free: `dsh --dump-default-config` prints the base, while `dsh --config <path> --dump-config` prints base plus the required overlay. The dump uses the Include implementation's patch algorithm and YAML dialect.
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The CLI no longer ships a TUI application. Its TUI overlay, launcher, first-run onboarding assets, app-level TUI fixtures, PTY harness, terminal journeys, and snapshots are deleted. The `meta` and `upgrade` subcommands, their experimental gate, default-surface resume, and full-tree `--config-replace` path are deleted with that application. The installer builds and launches Web without an interface selector.
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`dsh web` retains the shared base plus Web overlay and personal-or-explicit user layer. `dsh -p` retains the one-shot Web/headless composition. The reusable TUI package initially remained after this entrypoint change, then [the package-wide removal decision](2026-08-04-remove-tui-package.md) deleted it and its SDK interface.
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This decision supersedes the `dsh`-specific parts of the [dedicated TUI front door](../../archived/feature/2026-07-17-dedicated-full-screen-tui-front-door.md), [personal config](../feature/2026-07-20-dsh-cli-personal-config.md), [guided skill commands](../../archived/feature/2026-07-28-dsh-guided-skill-session-commands.md), [meta workspace](../../archived/feature/2026-07-28-dsh-meta-source-workspace.md), [shared config overlays](2026-07-29-shared-base-config-overlays.md), [config dump](../../archived/feature/2026-07-30-dsh-dump-config.md), [first-run welcome](../../archived/feature/2026-07-30-versioned-tui-first-run-welcome.md), and [experimental subcommand gate](../../archived/feature/2026-07-31-experimental-subcommand-gate.md) notes. The later [package-wide removal decision](2026-08-04-remove-tui-package.md) supersedes their reusable-package decisions and consolidates the deleted launcher-identity record.
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## Verification
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Parser tests require `--config` for raw boot and reject the removed command names and incompatible option combinations. Built-bin acceptance runs the published JavaScript entry without tsx, checks base-only and base-plus-overlay dumps, and drives an invalid raw provider overlay to prove a boot failure settles and exits rather than hanging. Source-launch compatibility checks the same required-config diagnostic through `bin/dsh`. No `apps/cli` TUI demo or test remains.
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## Alternatives considered
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**Keep bare `dsh` as a TUI and add an explicit config subcommand.** Rejected because the CLI would still own two unrelated application policies and retain the TUI-only launcher, onboarding, and test infrastructure.
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**Allow bare `dsh` to boot the neutral base.** Rejected because the base creates no agent or interaction front door. A process that settles successfully but has no usable entry point hides a missing deployment decision.
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**Keep `--config-replace` for complete trees.** Rejected because raw execution now has one composition contract: a required overlay over the product base. Complete-tree deployments can use the generic Cordis loader or a dedicated application bin without adding a second meaning to `dsh --config`.
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**Delete the TUI package with the product entrypoint.** Initially rejected because removing one shipped application did not by itself require removing a reusable UI implementation. Once no shipped composition or independent consumer remained, [the package-wide removal decision](2026-08-04-remove-tui-package.md) accepted this alternative.
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## Consequences
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Invoking `dsh` without a mode or raw config is a usage error. Existing TUI startup, `meta`, `upgrade`, resume, and full-tree replacement invocations stop working without compatibility aliases. This is acceptable under the pre-release compatibility stance and keeps the supported grammar small.
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Raw deployments must state their agent and front-door rows in an overlay, which makes the application boundary reviewable and keeps base updates available underneath. They do not receive personal config implicitly; deployments that want that policy must compose it themselves. Web remains the installed interactive product surface, while headless and automation entries remain separate.
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Reintroducing a shipped terminal application requires a concrete product need, a named entry mode rather than an implicit raw default, and its own current snapshot and lifecycle acceptance surface.
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# Agent Note: 显式配置的 dsh 入口
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Status: implemented
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[English](2026-08-03-explicit-config-dsh-entrypoint.md) | 中文
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## 问题
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裸 `dsh` 会隐式选择产品 TUI。这使一条命令负责终端生命周期、会话身份与恢复移交、onboarding、源码 workspace 快捷入口、引导式升级会话、个人配置监听，以及一整套规模庞大的应用级 PTY 和 transcript（文本记录）快照测试。该默认行为还隐藏了真实的组合边界：`--config` 是 TUI overlay 之上的可选第三层，而不是 raw 启动器所需的部署定义。
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共享 base 有意保持中性：它提供各项能力，但不会创建启动 agent（智能体）或交互入口。将中性 base 与隐式应用配对，使 raw 配置组合缺乏明确边界，也使产品政策留在 CLI（命令行界面）中，而不是由调用方选定的 overlay 持有。
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## 决策
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raw 执行方式为 `dsh --config <path>`。指定文件必须是一份 Include 补丁列表，并在同一 include 层级直接应用到 `apps/cli/config/base.cordis.yml` 之上。启动时必须提供该文件；它不是完整的替换配置树，也不会继承 `apps/cli/config/web.cordis.yml` 或 `$DSH_HOME/config.yaml`。相对路径从调用目录解析。启动错误会明确报错；SIGINT 和 SIGTERM 会先对根上下文执行 dispose（资源释放），再退出。
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raw 诊断形式仍然无需启动：`dsh --dump-default-config` 打印 base，`dsh --config <path> --dump-config` 则打印 base 与必需 overlay 的合成结果。转储过程使用 Include 实现的补丁算法和 YAML 方言。
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CLI 不再交付 TUI 应用。TUI overlay、启动器、首次运行 onboarding 资产、应用级 TUI fixture（测试前置数据）、PTY harness、终端流程和快照均已删除。`meta` 与 `upgrade` 子命令、对应的实验功能门禁、默认 surface 恢复入口，以及整棵配置树的 `--config-replace` 路径也随该应用一并删除。安装器不再提供界面选择器，只构建并启动 Web。
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`dsh web` 保留共享 base、Web overlay 与个人或显式用户层。`dsh -p` 保留一次性 Web/headless 组合。可复用 TUI 包（package）在本入口变更后起初保留，随后[全包移除决策](2026-08-04-remove-tui-package.md)将其及 SDK 接口删除。
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本决策取代以下记录中专用于 `dsh` 的部分：[独立 TUI 入口](../../archived/feature/2026-07-17-dedicated-full-screen-tui-front-door.md)、[个人配置](../feature/2026-07-20-dsh-cli-personal-config.md)、[引导式 skill 命令](../../archived/feature/2026-07-28-dsh-guided-skill-session-commands.md)、[meta workspace](../../archived/feature/2026-07-28-dsh-meta-source-workspace.md)、[共享配置 overlay](2026-07-29-shared-base-config-overlays.md)、[配置转储](../../archived/feature/2026-07-30-dsh-dump-config.md)、[首次运行欢迎页](../../archived/feature/2026-07-30-versioned-tui-first-run-welcome.md)和[实验性子命令门禁](../../archived/feature/2026-07-31-experimental-subcommand-gate.md)。后续的[全包移除决策](2026-08-04-remove-tui-package.md)取代了其中关于可复用包的决策，并整合了已删除的启动器身份记录。
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## 验证
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解析器测试要求 raw 启动提供 `--config`，并拒绝已删除的命令名和不兼容的选项组合。构建后二进制验收测试在不使用 tsx 的情况下运行已发布的 JavaScript 入口，检查仅含 base 及 base 加 overlay 的转储，并传入无效的 raw 提供方 overlay，以证明启动失败能够结束并退出，而不会挂起。源码启动兼容性测试通过 `bin/dsh` 检查同一条缺少必需配置的诊断。`apps/cli` 不再包含任何 TUI demo 或测试。
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## 曾考虑的替代方案
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**保留裸 `dsh` 作为 TUI，并新增显式配置子命令。** 不予采纳，因为 CLI 仍需持有两套互不相关的应用政策，并保留仅供 TUI 使用的启动器、onboarding 和测试基础设施。
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**允许裸 `dsh` 启动中性 base。** 不予采纳，因为 base 不会创建 agent 或交互入口。进程成功结束启动但没有可用入口，会掩盖缺失的部署决策。
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**保留 `--config-replace` 以支持完整配置树。** 不予采纳，因为 raw 执行现在只有一份组合契约：在产品 base 之上施加一份必需的 overlay。完整配置树部署可以使用通用 Cordis loader 或专用应用二进制文件，无需为 `dsh --config` 增加第二种含义。
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**随产品入口一并删除 TUI 包。** 最初不予采纳，因为仅移除一项已交付应用本身并不要求移除可复用 UI 实现。当已交付组合与独立消费方均不复存在后，[全包移除决策](2026-08-04-remove-tui-package.md)采纳了这一方案。
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## 后果
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调用 `dsh` 时如果既不指定模式，也不提供 raw 配置，将产生用法错误。既有的 TUI 启动、`meta`、`upgrade`、恢复和整棵配置树替换调用会停止工作，且不提供兼容别名。根据发布前兼容性立场，这是可以接受的，并能使支持的命令语法保持精简。
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raw 部署必须在 overlay 中声明 agent 和入口配置项，使应用边界可供评审，并能继续吸收底层 base 的更新。它们不会隐式接收个人配置；需要该政策的部署必须自行组合。Web 仍是安装后提供的交互式产品 surface，headless 与自动化入口仍保持独立。
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重新引入已交付的终端应用，需要有具体产品需求，采用具名入口模式而非隐式 raw 默认值，并建立自身当前有效的快照与生命周期验收面。
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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/simplification/2026-08-04-remove-tui-package.md
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2026-08-04-remove-tui-package.md: 7f7a0dd86ddd36e940ed8b7d6154185d9740341c
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2026-08-04-remove-tui-package.zh.md: 36cb4b6a5e4eddd152eccee92c913bcca5b7fbae
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2026-08-04-remove-tui-package.md: 1057243c70f6f2775a5d0c5f5eddcb72cbad699e
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2026-08-04-remove-tui-package.zh.md: 0e03d6913aafaa3ce01c0f5732935d2c304c8e0e
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@@ -16,7 +16,7 @@ The `packages/ui/tui` package is deleted without a compatibility package or alia
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The SDK run-interface union now contains only `acp` and `embed`. `create-sdk` defaults to ACP, generated templates contain no terminal startup, resume, session-environment, or model-argument branch, and the builtin `ask-user` feature is removed because neither remaining generated interface supplies a `UserInteractionProvider`. Host applications may still mount the provider-neutral `dsh-user-interaction`, `dsh-commands`, and presentation seams directly.
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This decision supersedes the reusable-package retention in [the explicit-config `dsh` entrypoint decision](2026-08-03-explicit-config-dsh-entrypoint.md) and the current applicability of the archived TUI implementation notes. Their historical records remain frozen, but they are not authority for the supported package or application inventory.
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This decision supersedes the reusable-package retention in [the explicit-config `dsh` entrypoint decision](../../archived/simplification/2026-08-03-explicit-config-dsh-entrypoint.md) and the current applicability of the archived TUI implementation notes. Their historical records remain frozen, but they are not authority for the supported package or application inventory.
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This note consolidates the deleted package-only records that could not remain current after removal. The terminal UI had kept session identity visible during long conversations, removed duplicate model labels, attached elapsed timing and phase status to messages, showed workspace and branch context beside the prompt, and conservatively parsed complete XML wrappers for human-readable fallback output. Those choices improved one terminal frontend but do not justify retaining it without a deployment. A future XML fallback must still use a real parser rather than regular expressions.
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SDK 的运行接口联合类型现在只包含 `acp` 与 `embed`。`create-sdk` 默认使用 ACP，生成的模板不再包含终端启动、恢复、会话环境或模型参数分支；内置的 `ask-user` 功能也被移除，因为剩余两个生成接口都不提供 `UserInteractionProvider`。宿主应用仍可直接挂载提供方无关的 `dsh-user-interaction`、`dsh-commands` 和呈现 seam。
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本决策取代[显式配置 `dsh` 入口决策](2026-08-03-explicit-config-dsh-entrypoint.md)中保留可复用包的决定，也使已归档 TUI 实现记录不再适用于当前状态。这些历史记录继续保持冻结，但不再作为受支持包或应用清单的依据。
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本决策取代[显式配置 `dsh` 入口决策](../../archived/simplification/2026-08-03-explicit-config-dsh-entrypoint.md)中保留可复用包的决定，也使已归档 TUI 实现记录不再适用于当前状态。这些历史记录继续保持冻结，但不再作为受支持包或应用清单的依据。
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本记录汇总了删除后无法继续保持当前状态的仅限包记录。终端 UI 曾在长对话期间保持会话身份可见、移除重复模型标签、为消息附加耗时与阶段状态、在提示词旁显示 workspace 与分支上下文，并保守地解析完整 XML 包装层，以生成人类可读的回退输出。这些选择改善了一个终端前端，但没有部署时不足以证明应保留它。未来的 XML 回退仍必须使用真实解析器而非正则表达式。
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