project-overview
LobeHub Project Overview
Project Description
Open-source, modern-design AI Agent Workspace: LobeHub (previously LobeChat).
Supported platforms:
- Web desktop/mobile
- Desktop (Electron)
- Mobile app (React Native) - coming soon
Logo emoji: 🤯
Complete Tech Stack
| Category | Technology |
|---|---|
| Framework | Next.js 16 + React 19 |
| Routing | SPA inside Next.js with react-router-dom |
| Language | TypeScript |
| UI Components | @lobehub/ui, antd |
| CSS-in-JS | antd-style |
| Icons | lucide-react, @ant-design/icons |
| i18n | react-i18next |
| State | zustand |
| URL Params | nuqs |
| Data Fetching | SWR |
| React Hooks | aHooks |
| Date/Time | dayjs |
| Utilities | es-toolkit |
| API | TRPC (type-safe) |
| Database | Neon PostgreSQL + Drizzle ORM |
| Testing | Vitest |
Complete Project Structure
Monorepo using @lobechat/ namespace for workspace packages.
lobehub/
├── apps/
│ └── desktop/ # Electron desktop app
├── docs/
│ ├── changelog/
│ ├── development/
│ ├── self-hosting/
│ └── usage/
├── locales/
│ ├── en-US/
│ └── zh-CN/
├── packages/
│ ├── agent-runtime/ # Agent runtime
│ ├── builtin-agents/
│ ├── builtin-tool-*/ # Builtin tool packages
│ ├── business/ # Cloud-only business logic
│ │ ├── config/
│ │ ├── const/
│ │ └── model-runtime/
│ ├── config/
│ ├── const/
│ ├── context-engine/
│ ├── conversation-flow/
│ ├── database/
│ │ └── src/
│ │ ├── models/
│ │ ├── schemas/
│ │ └── repositories/
│ ├── desktop-bridge/
│ ├── edge-config/
│ ├── editor-runtime/
│ ├── electron-client-ipc/
│ ├── electron-server-ipc/
│ ├── fetch-sse/
│ ├── file-loaders/
│ ├── memory-user-memory/
│ ├── model-bank/
│ ├── model-runtime/
│ │ └── src/
│ │ ├── core/
│ │ └── providers/
│ ├── observability-otel/
│ ├── prompts/
│ ├── python-interpreter/
│ ├── ssrf-safe-fetch/
│ ├── types/
│ ├── utils/
│ └── web-crawler/
├── src/
│ ├── app/
│ │ ├── (backend)/
│ │ │ ├── api/
│ │ │ ├── f/
│ │ │ ├── market/
│ │ │ ├── middleware/
│ │ │ ├── oidc/
│ │ │ ├── trpc/
│ │ │ └── webapi/
│ │ ├── spa/ # SPA HTML template service
│ │ └── [variants]/
│ │ └── (auth)/ # Auth pages (SSR required)
│ ├── routes/ # SPA page components (Vite)
│ │ ├── (main)/
│ │ ├── (mobile)/
│ │ ├── (desktop)/
│ │ ├── onboarding/
│ │ └── share/
│ ├── spa/ # SPA entry points and router config
│ │ ├── entry.web.tsx
│ │ ├── entry.mobile.tsx
│ │ ├── entry.desktop.tsx
│ │ └── router/
│ ├── business/ # Cloud-only (client/server)
│ │ ├── client/
│ │ ├── locales/
│ │ └── server/
│ ├── components/
│ ├── config/
│ ├── const/
│ ├── envs/
│ ├── features/
│ ├── helpers/
│ ├── hooks/
│ ├── layout/
│ │ ├── AuthProvider/
│ │ └── GlobalProvider/
│ ├── libs/
│ │ ├── better-auth/
│ │ ├── oidc-provider/
│ │ └── trpc/
│ ├── locales/
│ │ └── default/
│ ├── server/
│ │ ├── featureFlags/
│ │ ├── globalConfig/
│ │ ├── modules/
│ │ ├── routers/
│ │ │ ├── async/
│ │ │ ├── lambda/
│ │ │ ├── mobile/
│ │ │ └── tools/
│ │ └── services/
│ ├── services/
│ ├── store/
│ │ ├── agent/
│ │ ├── chat/
│ │ └── user/
│ ├── styles/
│ ├── tools/
│ ├── types/
│ └── utils/
└── e2e/ # E2E tests (Cucumber + Playwright)
Architecture Map
| Layer | Location |
|---|---|
| UI Components | src/components, src/features |
| SPA Pages | src/routes/ |
| React Router | src/spa/router/ |
| Global Providers | src/layout |
| Zustand Stores | src/store |
| Client Services | src/services/ |
| REST API | src/app/(backend)/webapi |
| tRPC Routers | src/server/routers/{async|lambda|mobile|tools} |
| Server Services | src/server/services (can access DB) |
| Server Modules | src/server/modules (no DB access) |
| Feature Flags | src/server/featureFlags |
| Global Config | src/server/globalConfig |
| DB Schema | packages/database/src/schemas |
| DB Model | packages/database/src/models |
| DB Repository | packages/database/src/repositories |
| Third-party | src/libs (analytics, oidc, etc.) |
| Builtin Tools | src/tools, packages/builtin-tool-* |
| Cloud-only | src/business/*, packages/business/* |
Data Flow
React UI → Store Actions → Client Service → TRPC Lambda → Server Services → DB Model → PostgreSQL
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Drizzle ORM schema and database guide. Use when working with database schemas (src/database/schemas/*), defining tables, creating migrations, or database model code. Triggers on Drizzle schema definition, database migrations, or ORM usage questions.
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TypeScript code style and optimization guidelines. MUST READ before writing or modifying any TypeScript code (.ts, .tsx, .mts files). Also use when reviewing code quality or implementing type-safe patterns. Triggers on any TypeScript file edit, code style discussions, or type safety questions.
587react
React component development guide. Use when working with React components (.tsx files), creating UI, using @lobehub/ui components, implementing routing, or building frontend features. Triggers on React component creation, modification, layout implementation, or navigation tasks.
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Zustand state management guide. Use when working with store code (src/store/**), implementing actions, managing state, or creating slices. Triggers on Zustand store development, state management questions, or action implementation.
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Internationalization guide using react-i18next. Use when adding translations, creating i18n keys, or working with localized text in React components (.tsx files). Triggers on translation tasks, locale management, or i18n implementation.
546debug
Debug package usage guide. Use when adding debug logging, understanding log namespaces, or implementing debugging features. Triggers on debug logging requests or logging implementation.
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