c7b4001c3d
Migrating rules to new format but they should be re-written entirely, I don't think they help much and are not auto-included (except architecture)
36 lines
970 B
Plaintext
36 lines
970 B
Plaintext
---
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description:
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globs:
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alwaysApply: false
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---
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---
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description: Twenty CRM architecture overview - monorepo structure, tech stack, and development principles
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globs: []
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alwaysApply: true
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---
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# Twenty Architecture
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## Tech Stack
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- **Frontend**: React 18, TypeScript, Recoil, Styled Components, Vite
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- **Backend**: NestJS, TypeORM, PostgreSQL, Redis, GraphQL
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- **Monorepo**: Nx workspace with yarn
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## Package Structure
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```
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packages/
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├── twenty-front/ # React app
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├── twenty-server/ # NestJS API
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├── twenty-ui/ # Shared components
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├── twenty-shared/ # Common types/utils
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└── twenty-emails/ # Email templates
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```
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## Key Principles
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- **Functional components only** (no classes)
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- **Named exports only** (no default exports)
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- **Types over interfaces** (except for extending third-party)
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- **String literals over enums** (except GraphQL)
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- **No 'any' type allowed**
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- **Event handlers over useEffect** for state updates
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