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# Conflicts: # docs/AGENTS.md # docs/config-catalog.md # packages/bash/bash-sandbox/src/index.ts # packages/bash/bash/src/session-mode.ts # packages/bash/tool-bash/README.md # packages/code-runtime/code-runtime-worker/README.md # packages/compact/compact/src/index.ts # packages/core/agent-core/README.md # packages/hooks/hooks-claude/src/config.ts # packages/hooks/hooks-claude/src/index.ts # packages/hooks/hooks-codex/src/config.ts # packages/hooks/hooks-codex/src/index.ts # packages/llm/llm/README.md # packages/session-persistence/session-persistence-jsonl/README.md # packages/session-persistence/session-persistence/README.md # packages/skill/skill-local/README.md # packages/support/acp-snapshot/README.md # packages/support/invariants/src/index.ts # packages/ui/acp/README.md # packages/ui/jsonrpc-agent/README.md # packages/ui/jsonrpc/README.md # packages/ui/permission/README.md # packages/ui/user-approval/README.md # packages/ui/user-interaction/README.md # packages/web/web-search-deepseek/README.md
34 lines
2.3 KiB
Markdown
34 lines
2.3 KiB
Markdown
# @deepseek-ai/dsh-user-interaction
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Abstract user-interaction seam. It owns `ctx.userInteraction`, the service a model-facing tool or permission plugin uses when it needs to pause work and ask the human for a decision.
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## Service: `UserInteractionService` (ctx key: `userInteraction`)
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### Public API
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- `ctx.userInteraction.registerProvider(provider): () => void` Register the UI-side provider. Only one provider may be active in a context; disposal unregisters it.
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- `ctx.userInteraction.ask(request): Promise<AskUserQuestionAnswer>` Ask the active provider and wait for the answer.
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### Key Types
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- `AskUserQuestionRequest` — `{ questions: [{ id, question, header?, options?, multiSelect? }], agent?, signal? }`.
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- `AskUserQuestionOption` — `{ label, description? }`.
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- `AskUserQuestionAnswer` — `{ answers: [{ id, selected, custom? }] }`.
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- `UserInteractionProvider` — UI implementation with `ask(request)`.
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- `UserInteractionError` — `HarnessError` subclass with codes such as `EMPTY_QUESTIONS`, `NO_PROVIDER`, `DUPLICATE_PROVIDER`, and `ASK_ABORTED`.
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When an answer includes `custom`, `selected` is empty; custom text is an override rather than a supplement to selected choices.
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## Role
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This is the interface package. Model-facing consumers such as `@deepseek-ai/dsh-tool-ask-user` depend on this seam; UI front doors such as the `stdio-agent` readline module and the `acp` bridge provide the provider. The loop stays unchanged: a tool call awaits a promise, and the tool result resumes the normal agent loop.
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## Model Experience
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Indirectly, through `dsh-tool-ask-user`, which retains a successful provider answer as compact JSON or one of these failures: `Error: ask_user_question was aborted before the user answered`, `Error: ask_user_question requires at least one question`, `Error: no user-interaction provider is registered`, or `Error: <message>`. Waiting for the human adds no tokens.
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## Known Limitations and Deferred Work
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- **One provider per context** — there is no routing or fan-out to multiple UIs; a second registration throws `DUPLICATE_PROVIDER`, and with none registered `ask()` throws `NO_PROVIDER` rather than degrading.
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- **The vocabulary is the question-form shape only** — selectable options plus optional custom text; richer interaction shapes (file pickers, diff-preview confirmations) have no seam vocabulary yet.
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