mirror of
https://github.com/bytedance/deer-flow.git
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34f87f6c92
* fix(sidecar): make panel button delete the side chat instead of hiding it The side chat panel's top-right button called `sidecar.close()`, which only hid the panel — duplicating the header `SidecarTrigger` toggle. Repurpose the button so the panel owns deletion and the header toggle owns hide/show. - When a conversation exists, the button shows a trash icon and opens a confirmation dialog before deleting via `useDeleteThread` (backend cascade). - In the draft state (references only, no thread yet) the header trigger is not rendered, so the button falls back to a plain close (X) that discards the draft without a confirm — there is nothing persisted to delete. Also fix a latent double-delete bug surfaced by the new dialog: `useDeleteThread` deletes through the LangGraph route (which drops the thread_meta row) and then calls `deleteLocalThreadData`, which hits the same gateway handler whose `require_existing=True` guard now 404s. Treat that 404 as idempotent success. The recent-chat delete used fire-and-forget `mutate`, so it swallowed this error; the sidecar's `mutateAsync` surfaced it as a toast. The e2e mock now mirrors the gateway ownership guard (second DELETE 404s once the thread is gone) so the regression stays covered. Adds tests for delete, draft-state close, and header-owned hide/show. * fix(sidecar): lock delete dialog while deletion is in flight The delete confirmation dialog disabled Cancel during an in-flight delete but still allowed dismissal via the overlay, Esc, and the built-in close (X). Those paths could imply the delete was cancelled when it was actually still running. Ignore dismissals and drop the close button while `isDeleting` so only the (disabled) Cancel path controls the dialog. |
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| playwright.real-backend.config.ts | ||
| playwright.record.config.ts | ||
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DeerFlow Frontend
Like the original DeerFlow 1.0, we would love to give the community a minimalistic and easy-to-use web interface with a more modern and flexible architecture.
Tech Stack
- Framework: Next.js 16 with App Router
- UI: React 19, Tailwind CSS 4, Shadcn UI, MagicUI and React Bits
- AI Integration: LangGraph SDK and Vercel AI Elements
Quick Start
Prerequisites
- Node.js 22+
- pnpm 10.26.2+
Installation
# Install dependencies
pnpm install
# Copy environment variables
cp .env.example .env
# Edit .env with your configuration
Development
# Start development server
pnpm dev
# The app will be available at http://localhost:3000
Build & Test
# Type check
pnpm typecheck
# Check formatting
pnpm format
# Apply formatting
pnpm format:write
# Lint
pnpm lint
# Run unit tests
pnpm test
# One-time setup: install Playwright Chromium browser
pnpm exec playwright install chromium
# Run E2E tests (builds and starts production server automatically)
pnpm test:e2e
# Build for production
pnpm build
# Start production server
pnpm start
Site Map
├── / # Landing page
├── /chats # Chat list
├── /chats/new # New chat page
└── /chats/[thread_id] # A specific chat page
Configuration
Environment Variables
Key environment variables (see .env.example for full list):
# Backend API URL (optional, uses local Next.js/nginx proxy by default)
NEXT_PUBLIC_BACKEND_BASE_URL="http://localhost:8001"
# LangGraph-compatible API URL (optional, uses local Next.js/nginx proxy by default)
NEXT_PUBLIC_LANGGRAPH_BASE_URL="http://localhost:8001/api"
Project Structure
tests/
├── e2e/ # E2E tests (Playwright, Chromium, mocked backend)
└── unit/ # Unit tests (mirrors src/ layout)
src/
├── app/ # Next.js App Router pages
│ ├── api/ # API routes
│ ├── workspace/ # Main workspace pages
│ └── mock/ # Mock/demo pages
├── components/ # React components
│ ├── ui/ # Reusable UI components
│ ├── workspace/ # Workspace-specific components
│ ├── landing/ # Landing page components
│ └── ai-elements/ # AI-related UI elements
├── core/ # Core business logic
│ ├── api/ # API client & data fetching
│ ├── artifacts/ # Artifact management
│ ├── config/ # App configuration
│ ├── i18n/ # Internationalization
│ ├── mcp/ # MCP integration
│ ├── messages/ # Message handling
│ ├── models/ # Data models & types
│ ├── settings/ # User settings
│ ├── skills/ # Skills system
│ ├── threads/ # Thread management
│ ├── todos/ # Todo system
│ └── utils/ # Utility functions
├── hooks/ # Custom React hooks
├── lib/ # Shared libraries & utilities
├── server/ # Server-side code
│ └── better-auth/ # Authentication setup and session helpers
└── styles/ # Global styles
Scripts
| Command | Description |
|---|---|
pnpm dev |
Start development server with Turbopack |
pnpm build |
Build for production |
pnpm start |
Start production server |
pnpm test |
Run unit tests with Rstest |
pnpm test:e2e |
Run E2E tests with Playwright |
pnpm format |
Check formatting with Prettier |
pnpm format:write |
Apply formatting with Prettier |
pnpm lint |
Run ESLint |
pnpm lint:fix |
Fix ESLint issues |
pnpm typecheck |
Run TypeScript type checking |
pnpm check |
Run both lint and typecheck |
Development Notes
- Uses pnpm workspaces (see
packageManagerin package.json) - Turbopack enabled by default in development for faster builds
- Environment validation can be skipped with
SKIP_ENV_VALIDATION=1(useful for Docker) - Backend API URLs are optional; nginx proxy is used by default in development
License
MIT License. See LICENSE for details.