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https://gitee.com/wanwujie/deer-flow
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- Backend: 删除 lead_agent / general_purpose 中的 citations_format 与引用相关 reminder；artifacts 下载不再对 markdown 做 citation 清洗，统一走 FileResponse，保留 Response 用于二进制 inline - Frontend: 删除 core/citations 模块、inline-citation、safe-citation-content；新增 MarkdownContent 仅做 Markdown 渲染；消息/artifact 预览与复制均使用原始 content - i18n: 移除 citations 命名空间（loadingCitations、loadingCitationsWithCount） - 技能与 demo: 措辞改为 references，demo 数据去掉 <citations> 块 - 文档: 更新 CLAUDE/AGENTS/README 描述，新增按文件 diff 的代码变更总结 Co-authored-by: Cursor <cursoragent@cursor.com>
90 lines
4.0 KiB
Markdown
90 lines
4.0 KiB
Markdown
# CLAUDE.md
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This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
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## Project Overview
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DeerFlow Frontend is a Next.js 16 web interface for an AI agent system. It communicates with a LangGraph-based backend to provide thread-based AI conversations with streaming responses, artifacts, and a skills/tools system.
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**Stack**: Next.js 16, React 19, TypeScript 5.8, Tailwind CSS 4, pnpm 10.26.2
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## Commands
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| Command | Purpose |
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|---------|---------|
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| `pnpm dev` | Dev server with Turbopack (http://localhost:3000) |
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| `pnpm build` | Production build |
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| `pnpm check` | Lint + type check (run before committing) |
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| `pnpm lint` | ESLint only |
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| `pnpm lint:fix` | ESLint with auto-fix |
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| `pnpm typecheck` | TypeScript type check (`tsc --noEmit`) |
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| `pnpm start` | Start production server |
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No test framework is configured.
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## Architecture
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```
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Frontend (Next.js) ──▶ LangGraph SDK ──▶ LangGraph Backend (lead_agent)
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├── Sub-Agents
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└── Tools & Skills
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```
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The frontend is a stateful chat application. Users create **threads** (conversations), send messages, and receive streamed AI responses. The backend orchestrates agents that can produce **artifacts** (files/code) and **todos**.
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### Source Layout (`src/`)
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- **`app/`** — Next.js App Router. Routes: `/` (landing), `/workspace/chats/[thread_id]` (chat).
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- **`components/`** — React components split into:
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- `ui/` — Shadcn UI primitives (auto-generated, ESLint-ignored)
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- `ai-elements/` — Vercel AI SDK elements (auto-generated, ESLint-ignored)
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- `workspace/` — Chat page components (messages, artifacts, settings)
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- `landing/` — Landing page sections
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- **`core/`** — Business logic, the heart of the app:
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- `threads/` — Thread creation, streaming, state management (hooks + types)
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- `api/` — LangGraph client singleton
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- `artifacts/` — Artifact loading and caching
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- `i18n/` — Internationalization (en-US, zh-CN)
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- `settings/` — User preferences in localStorage
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- `memory/` — Persistent user memory system
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- `skills/` — Skills installation and management
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- `messages/` — Message processing and transformation
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- `mcp/` — Model Context Protocol integration
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- `models/` — TypeScript types and data models
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- **`hooks/`** — Shared React hooks
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- **`lib/`** — Utilities (`cn()` from clsx + tailwind-merge)
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- **`server/`** — Server-side code (better-auth, not yet active)
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- **`styles/`** — Global CSS with Tailwind v4 `@import` syntax and CSS variables for theming
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### Data Flow
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1. User input → thread hooks (`core/threads/hooks.ts`) → LangGraph SDK streaming
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2. Stream events update thread state (messages, artifacts, todos)
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3. TanStack Query manages server state; localStorage stores user settings
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4. Components subscribe to thread state and render updates
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### Key Patterns
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- **Server Components by default**, `"use client"` only for interactive components
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- **Thread hooks** (`useThreadStream`, `useSubmitThread`, `useThreads`) are the primary API interface
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- **LangGraph client** is a singleton obtained via `getAPIClient()` in `core/api/`
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- **Environment validation** uses `@t3-oss/env-nextjs` with Zod schemas (`src/env.js`). Skip with `SKIP_ENV_VALIDATION=1`
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## Code Style
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- **Imports**: Enforced ordering (builtin → external → internal → parent → sibling), alphabetized, newlines between groups. Use inline type imports: `import { type Foo }`.
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- **Unused variables**: Prefix with `_`.
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- **Class names**: Use `cn()` from `@/lib/utils` for conditional Tailwind classes.
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- **Path alias**: `@/*` maps to `src/*`.
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- **Components**: `ui/` and `ai-elements/` are generated from registries (Shadcn, MagicUI, React Bits, Vercel AI SDK) — don't manually edit these.
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## Environment
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Backend API URLs are optional; an nginx proxy is used by default:
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```
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NEXT_PUBLIC_BACKEND_BASE_URL=http://localhost:8001
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NEXT_PUBLIC_LANGGRAPH_BASE_URL=http://localhost:2024
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```
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Requires Node.js 22+ and pnpm 10.26.2+.
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