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assistant-ui/setup

透過 CLI 安裝並設定專案中的 assistant-ui，並為後端選擇正確的執行時期。適用於首次安裝、專案初始化或配置。

setup 是什麼？

此技能提供 assistant-ui 的完整安裝與設定流程，支援多種專案初始方式（如 `npx assistant-ui@latest create my-app`，可選擇 default、minimal、cloud、cloud-clerk、langgraph、mcp 等模板），以及在現有 Next.js 應用程式中執行 `npx assistant-ui@latest init [--yes] [--overwrite]` 或 `npx assistant-ui@latest add` 來新增元件（如 markdown-text、thread-list）。技能也涵蓋多種後端執行時期鉤子的選擇：useChatRuntime (AI SDK)、useLangGraphRuntime、useAgUiRuntime、useA2ARuntime、useLocalRuntime (自訂串流 API) 以及 useExternalStoreRuntime (Redux/Zustand)，協助開發者依據後端架構調整整合方式。支援的環境包括 Vite/TanStack Start 設定、shadcn 樣式配置、playground --preset 旗標，並提醒避免使用已棄用的 @assistant-ui/styles 與 @assistant-ui/react-ui 套件。對於需要升級現有安裝或修復升級後的問題，可使用 update 指令；若需從原始元件建構 UI，則使用 primitives。整體而言，此技能為開發者提供一站式的 assistant-ui 專案初始、設定、元件管理與執行時期選擇方案，大幅簡化 Chat UI 整合的繁瑣步驟。

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npx skills add https://github.com/assistant-ui/skills/tree/main/skills/setup
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說明文件

setup 是做什麼的？

透過 CLI 安裝並設定專案中的 assistant-ui，並為後端選擇正確的執行時期。適用於首次安裝、專案初始化或配置：npx assistant-ui@latest create my-app（可選模板：default、minimal、cloud、cloud-clerk、langgraph、mcp）、在現有 Next.js 應用程式中執行 npx assistant-ui@latest init [--yes] [--overwrite]，或使用 npx assistant-ui@latest add 新增 registry 元件（如 markdown-text、thread-list）。也適用於為後端選擇執行時期鉤子：useChatRuntime (AI SDK)、useLangGraphRuntime、useAgUiRuntime、useA2ARuntime、useLocalRuntime (自訂串流 API) 或 useExternalStoreRuntime (Redux/Zustand)。涵蓋 Vite/TanStack Start 設定、shadcn 樣式配置、playground --preset 旗標，以及避免使用已棄用的 @assistant-ui/styles 與 @assistant-ui/react-ui 套件。對於升級現有安裝或升級後發生問題的情況，請使用 update；若要從原始元件建構 UI，請使用 primitives。

Individual skills in this repo

This repo contains 7 individual skills — each has its own dedicated page.

assistant-ui/assistant-ui

Overview and router for assistant-ui, the React library for building AI chat interfaces from composable primitives. Use for high-level, cross-cutting, or architecture-overview questions: choosing packages, picking a runtime, or understanding the layered model (RuntimeCore, Runtime, context hooks, primitives) and message model. Covers the `@assistant-ui/react` core plus `@assistant-ui/react-ai-sdk`, `@assistant-ui/react-langgraph`, `assistant-stream`, and `assistant-cloud`; `AssistantRuntimeProvider`; the primitives `ThreadPrimitive`, `MessagePrimitive`, `ComposerPrimitive`; the hooks `useAui`, `useAuiState`, `useAuiEvent`; and runtime selection across `useChatRuntime`, `useExternalStoreRuntime`, `useLangGraphRuntime`, `useLocalRuntime`. For a specific area route to a focused sibling instead: setup, runtime, primitives, tools, streaming, cloud, thread-list, or update. Not for hands-on tasks already owned by those siblings.

assistant-ui/primitives

Builds and customizes assistant-ui chat UI from composable, unstyled @assistant-ui/react primitives that follow Radix-style part composition. Use when assembling or styling a custom Thread, Composer, message rendering, action bar, or branch picker from building blocks: ThreadPrimitive (.Root, .Viewport, .Messages, .Empty, .ScrollToBottom), ComposerPrimitive (.Input, .Send, .Cancel, .Attachments), MessagePrimitive (.Parts/.Content, .Error), ActionBarPrimitive (.Copy, .Edit, .Reload, .Speak, feedback, .ExportMarkdown), BranchPickerPrimitive, AttachmentPrimitive, ThreadListPrimitive, ThreadListItemPrimitive. Covers MessagePrimitive.Parts children render functions for text, image, reasoning, and tool-call parts; conditional rendering with AuiIf (deprecated .If); and gotchas like wrapping in AssistantRuntimeProvider and adding className since primitives ship unstyled. For prebuilt drop-in UI and scaffolding use setup; for multi-thread sidebar behavior use thread-list.

assistant-ui/runtime

Guide for assistant-ui runtime system and state management. Use when working with runtimes, accessing state, or managing thread/message data.

assistant-ui/streaming

Streaming backends and wire protocols for assistant-ui via the assistant-stream package. Use when building a custom (non-AI-SDK) streaming endpoint with createAssistantStreamResponse or createAssistantStreamController, emitting parts through appendText/appendReasoning/appendSource/appendFile/addToolCallPart and setResponse; choosing between the AI SDK Data Stream format (toUIMessageStreamResponse) and the native Assistant Transport format; encoding or decoding streams with DataStreamEncoder/DataStreamDecoder, AssistantTransportEncoder/AssistantTransportDecoder, PlainTextEncoder, or UIMessageStreamDecoder; or wiring streamed chunks into useLocalRuntime or useChatRuntime. Use specifically for debugging stream wire issues: text-delta, part-start, result events, text/event-stream content-type, SSE format, tool calls not rendering, or partial text not showing. For general non-stream debugging route to the relevant focused skill, not the parent overview.

assistant-ui/thread-list

Implements multi-thread (conversation history) management in assistant-ui apps: rendering the prebuilt `ThreadList` next to `Thread`, or building a custom sidebar with `ThreadListPrimitive` and `ThreadListItemPrimitive` (Root, New, Items, Trigger, Title, Archive, Unarchive, Delete). Covers thread CRUD through the `useAui()`/`useAuiState()` API: `switchToThread`, `switchToNewThread`, and per item `rename`, `archive`, `unarchive`, `delete`, `generateTitle`, `initialize`, plus reading `s.threads.threadIds`/`archivedThreadIds`/`mainThreadId`. Includes cloud-backed persistence via `useChatRuntime` + `AssistantCloud` and a local `useRemoteThreadListRuntime` + `InMemoryThreadListAdapter` path. Use when a user wants a thread list/sidebar, switching, searching, sorting, drag-and-drop, or renaming/archiving/deleting conversations. For single-thread state, messages, or composer use runtime; for cloud auth/persistence setup use cloud.

assistant-ui/tools

Registers LLM tools and renders custom tool-call UI in assistant-ui (@assistant-ui/react). Use when adding frontend-only tools with makeAssistantTool / useAssistantTool (browser actions like clipboard, navigation, localStorage, async-generator streaming, AbortSignal), rendering backend AI SDK tool() calls with makeAssistantToolUI / useAssistantToolUI (status.type running/complete/incomplete/requires-action, args, result, artifact via ToolCallMessagePartProps), building generative UI from tool results, or implementing human-in-the-loop and approval flows (addResult, resume with context.human(), respondToApproval for server-side needsApproval gates). Covers registering tool components inside AssistantRuntimeProvider and the case-sensitive toolName matching that connects a tool to its UI. Reach for this when tool UI is not rendering, a tool is not being called, or a result is not showing.

assistant-ui/update

Upgrades an existing assistant-ui project to current releases and executes the resulting migrations. Use when the user wants to update, upgrade, bump, or migrate @assistant-ui/react, @assistant-ui/react-ai-sdk, ai, or @ai-sdk/react, hits peer-dependency conflicts or post-upgrade type errors, or must apply renamed APIs after a version jump. Detects installed versus latest versions via npm ls / npm view, then routes through breaking-change references for each jump (AI SDK v4/v5 to v6; assistant-ui 0.8.x to 0.14.x): useAssistantApi to useAui, runtime.threadList to runtime.threads, ThreadPrimitive.ViewportSlack removal, the primitives components prop to children render functions, toDataStreamResponse to toUIMessageStreamResponse, maxSteps to stopWhen: stepCountIs(n). Runs npx assistant-ui@latest upgrade, pnpm/npm add @latest, and npx tsc --noEmit to verify. For a first-time install or fresh scaffold (not an upgrade) use setup instead.

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