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---
title: Struttura del progetto
description: Cosa contiene un'app Twenty creata con lo scaffold — file, cartelle e cosa fa ognuno di essi.
icon: folder-tree
---
Una nuova app generata da `npx create-twenty-app` si presenta così:
```text filename="my-twenty-app/"
my-twenty-app/
package.json
src/
application-config.ts # Required — your app's entry point
default-role.ts # Permissions for logic functions
constants/
universal-identifiers.ts # Auto-generated UUIDs and metadata
front-components/
main-page.tsx # Welcome page component
navigation-menu-items/
main-page.navigation-menu-item.ts # Sidebar entry for the welcome page
page-layouts/
main-page.page-layout.ts # Standalone page hosting the component
__tests__/
application-config.test.ts # Unit test
global-setup.ts # Integration test setup (sync + uninstall)
schema.integration-test.ts # Integration test against a live server
.github/workflows/
ci.yml # Lint, typecheck, unit + integration tests
cd.yml # Deploy + install on push to main
publish.yml # Publish to npm on version tags (with provenance)
public/
logo.svg # Static assets
vitest.config.ts # Integration test runner config
vitest.unit.config.ts # Unit test runner config
tsconfig.json, tsconfig.spec.json
.nvmrc, .yarnrc.yml, .oxlintrc.json
README.md, AGENTS.md, CLAUDE.md, CHANGELOG.md, SETUP.md
```
## File principali
| File / Cartella | Scopo |
| -------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------- |
| `src/application-config.ts` | **Obbligatorio.** Il file di configurazione principale della tua app. |
| `src/default-role.ts` | Ruolo predefinito che controlla a cosa possono accedere le tue funzioni logiche. |
| `src/constants/universal-identifiers.ts` | UUID generati automaticamente e metadati (nome visualizzato, descrizione). |
| `src/front-components/`, `src/navigation-menu-items/`, `src/page-layouts/` | Una pagina di benvenuto iniziale: un front component renderizzato da un page layout autonomo, raggiungibile dalla sidebar. |
| `src/__tests__/` | Un test unitario più un test di integrazione (con il relativo setup globale) che sincronizza l'app con un server reale. |
| `public/` | Asset statici (immagini, font) serviti insieme alla tua app. |
| `AGENTS.md` / `CLAUDE.md` | Linee guida per gli agenti di codice AI che lavorano sull'app. |
| `CHANGELOG.md` / `SETUP.md` | Changelog delle modifiche importanti e istruzioni di configurazione per lo sviluppo locale. |
<Note>
**L'organizzazione dei file dipende da te.** Le cartelle sopra sono convenzioni — l'SDK rileva le entità tramite analisi AST sulle chiamate a `export default defineEntity(...)` indipendentemente da dove si trova il file.
</Note>
## Dipendenze
Entrambi i pacchetti Twenty SDK devono essere inseriti sotto `devDependencies`, non sotto `dependencies`:
```json filename="package.json"
{
"dependencies": {},
"devDependencies": {
"twenty-client-sdk": "2.20.0",
"twenty-sdk": "2.20.0",
"twenty-ui": "1.0.0-alpha.1"
}
}
```
Lo scaffolder blocca `twenty-sdk` e `twenty-client-sdk` alla propria versione — mantieni i due allineati durante l'aggiornamento.
* **`twenty-sdk`** fornisce la CLI `twenty` e gli strumenti di build/scaffolding. Viene eseguito solo in fase di sviluppo e di build e non viene mai importato dal runtime dell'app pubblicata.
* **`twenty-client-sdk`** *viene* importato dal codice della tua app (`CoreApiClient`, `MetadataApiClient`, `RestApiClient`), ma Twenty lo fornisce a runtime: le funzioni di logica lo ricevono da un layer SDK generato e i componenti di front-end lo risolvono da moduli forniti dal server. La copia installata viene utilizzata solo per il type checking e per la build al momento del deploy, quindi non è mai necessario includerla nel bundle distribuito.
Mantenere uno qualsiasi dei pacchetti sotto `dependencies` lo inserisce nel bundle di runtime dell'app installata, dove rappresenta solo zavorra. `twenty dev:build` emette un avviso quando uno dei due è ancora elencato sotto `dependencies`.
Aggiungi come di consueto le dipendenze di runtime proprie della tua app (librerie che le tue funzioni di logica importano effettivamente a runtime) sotto `dependencies`. Mantieni l'albero snello: le `dependencies` vengono installate in un livello di runtime con un limite di 250 MB non compressi e una sincronizzazione o un'installazione non va a buon fine con un errore di dimensione delle dipendenze oltre tale soglia — le librerie UI e gli strumenti di sviluppo appartengono a `devDependencies`.