martmull
7b682bced9
## Context Follow-up to #22362, which made `isNullable` manifest changes actually apply (including a nullable → non-nullable backfill). This models the `isNullable` / `defaultValue` relationship directly in the `FieldManifest` type. ## Rule - A **non-nullable** field (`isNullable: false`) must declare a `defaultValue`, so the column always has a value to fall back on (e.g. for the backfill on the nullable → non-nullable transition). - A **nullable** or **unspecified** field may omit `defaultValue`. ## Changes - Split `RegularFieldManifest` into a base shape plus a discriminated nullability union. The union keeps `isNullable` free once a `defaultValue` is supplied, so helpers that always provide one can still pass a dynamic `boolean` `isNullable`. - `defaultValue` keeps its rich per-type `FieldMetadataDefaultValue<T>` (POSITION → number, ACTOR → composite) rather than a bare `string`. - `RelationFieldManifest` is rebased on the shared base and keeps `isNullable` / `defaultValue` optional, since relation join columns are always nullable by design. - Narrowed `buildEstimateFieldManifest` in the manifest-update integration test to satisfy the stricter type. ## Verification Environment couldn't install the monorepo deps (registry connections aborting), so `nx typecheck` wasn't run here. Validated the union structure with standalone `tsc` synthetic tests mirroring every construction pattern in the codebase: - ✅ nullable/no-default, no-`isNullable`, non-nullable with string/number/composite defaults, dynamic-boolean-with-default, and the `DistributiveOmit` path into `ObjectFieldManifest` - ✅ non-nullable **without** a default is correctly rejected with a clear "defaultValue is missing but required" error Recommend a full `nx typecheck twenty-shared twenty-sdk twenty-server` in CI to confirm against full project resolution. https://claude.ai/code/session_01VnbrgBB3kNGP876qaKPYDL --- _Generated by [Claude Code](https://claude.ai/code/session_01VnbrgBB3kNGP876qaKPYDL)_ <!-- This is an auto-generated description by cubic. --> <a href="https://cubic.dev/pr/twentyhq/twenty/pull/22419?utm_source=github" target="_blank" rel="noopener noreferrer" data-no-image-dialog="true"><picture><source media="(prefers-color-scheme: dark)" srcset="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"><source media="(prefers-color-scheme: light)" srcset="https://www.cubic.dev/buttons/review-in-cubic-light.svg"><img alt="Review in cubic" src="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"></picture></a> <!-- End of auto-generated description by cubic. -->
The #1 Open-Source CRM
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Why Twenty
Twenty gives technical teams the building blocks for a custom CRM that meets complex business needs and quickly adapts as the business evolves. Twenty is the CRM you build, ship, and version like the rest of your stack.
Learn more about why we built Twenty
Installation
Cloud
The fastest way to get started. Sign up at twenty.com and spin up a workspace in under a minute, with no infrastructure to manage and always up to date.
Build an app
Scaffold a new app with the Twenty CLI:
npx create-twenty-app my-app
Define objects, fields, and views as code:
import { defineObject, FieldType } from 'twenty-sdk/define';
export default defineObject({
nameSingular: 'deal',
namePlural: 'deals',
labelSingular: 'Deal',
labelPlural: 'Deals',
fields: [
{ name: 'name', label: 'Name', type: FieldType.TEXT },
{ name: 'amount', label: 'Amount', type: FieldType.CURRENCY },
{ name: 'closeDate', label: 'Close Date', type: FieldType.DATE_TIME },
],
});
Then ship it to your workspace:
npx twenty app:publish --private
See the app development guide for objects, views, agents, and logic functions.
Self-hosting
Run Twenty on your own infrastructure with Docker Compose, or contribute locally via the local setup guide.
Everything you need
Twenty gives you the building blocks of a modern CRM (objects, views, workflows, and agents) and lets you extend them as code. Here's a tour of what's in the box.
Want to go deeper? Read the 
User Guide for product walkthroughs, or the Documentation for developer reference.
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Learn more about version control in doc
Stack
TypeScript
Nx
NestJS, with BullMQ, 
PostgreSQL, 
Redis
React, with Jotai, Linaria and Lingui
Thanks
Thanks to these amazing services that we use and recommend for code review (Greptile), catching bugs (Sentry) and translating (Crowdin).
Join the Community
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