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Author SHA1 Message Date
Paul Rastoin 4ec65ed08d System view tooling explicit params key naming (#23506)
# Introduction
View field system always result from a field existence, the application
universal identifier should be the related field one
Same but for views and object

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2026-07-29 14:33:40 +00:00
Paul Rastoin 1be5a0e54a System side effect relations (#22882)
Closes twentyhq/core-team-issues#2667

## What

Default relations to the standard relation objects
(`timelineActivities`, `attachments`, `noteTargets`, `taskTargets`) are
now fully owned by the **metadata side-effect engine**. Neither the API
transpilers nor the SDK manifest builder provision them anymore: any
object creation, rename or deletion — regardless of the caller — goes
through the same engine handlers.

## Why

- Provisioning was duplicated across the API path and the SDK manifest
builder, with diverging behavior.
- Universal identifiers of relation fields were derived from object
**names**, so renaming an object mutated them and forced lossy
delete+create cycles on manifest sync.

## How

### Engine-owned lifecycle (side-effect handlers)

- `objectSystemRelationsOnCreate`: provisions the 8 forward/reverse
relation fields (+ join column indexes) when an object is created.
- `objectSystemRelationsOnUpdate`: renames the reverse morph fields
(`target<ObjectName>`) when their host object is renamed — a lossless
`fieldMetadata.update`.
- `objectSystemSideEffectsOnDelete`: cascades deletion of engine-owned
fields/indexes when the object is deleted.
- The API transpilers and the SDK `buildManifest` no longer inject these
fields; `isSystemSideEffect: true` marks engine-owned entities, guarded
by a granular property allowlist (only `isActive` is user-editable) and
excluded from manifest deletion inference.

### Name-free deterministic universal identifiers

New `getSystemRelationFieldUniversalIdentifier({
applicationUniversalIdentifier, objectUniversalIdentifier,
relationTargetObjectUniversalIdentifier })` in `twenty-shared`, exported
from `twenty-sdk/define`. The identifier is keyed on the two **object**
identifiers instead of field names (direction encoded by argument
order), so object renames never mutate relation field identifiers. It
cannot collide with the name-based `getFieldUniversalIdentifier`
derivation (field names cannot contain `:`).

### twenty-standard re-owned

All 48 forward/reverse system relation field declarations in
`STANDARD_OBJECTS` now pin the derived name-free identifiers (computed
inline via the shared util) and carry `isSystemSideEffect: true`, with
labels/icons declared explicitly (translated via `msg`).
`twenty-standard` is projected as if the engine had generated these
fields itself.

### 2.23 upgrade commands

- `reconcile-system-relation-field-universal-identifier`: structurally
matches existing default relation fields per workspace and backfills the
derived universal identifiers, `isSystemSideEffect` flags, and standard
labels/icons.
- `upgrade-people-data-labs-application`: upgrades installed PDL apps to
`1.0.7` right after the backfill to close the desync window (its views
reference the re-derived identifiers).

### Misc

- `people-data-labs` `1.0.7`: views temporarily pin the new derived
identifiers (TODO: import from the next released `twenty-sdk`).
- `UpgradeStatusModule` split out of `UpgradeModule` so the application
module cluster can consume upgrade status/migration services without
importing the versioned command bundles (fixes a require cycle that
crashed boot).
- Docs: `system-fields.mdx` documents the system relation fields and
their resolver; `sync-and-recovery.mdx` plan example no longer shows
auto-injected relations.

## Known red CI

`people-data-labs (dockerhub-latest)` fails by design until the 2.23
server image is published: the app pins the new identifiers which only
exist on a 2.23 server. The `local` leg (server built from this branch)
is green.

## System fields are no longer manifest-authorable (accepted regression)

The manifest converter no longer derives `isSystem` /
`isSystemSideEffect` from field names. Reserved-system-named manifest
fields (`id`, `createdAt`, `updatedAt`, `deletedAt`, `createdBy`,
`updatedBy`, `position`, `searchVector`) are now skipped at conversion
time when they carry the exact derived universal identifier (keeps
manifests built with older SDKs installable), and rejected with
`INVALID_INPUT` when they pin any other identifier. System fields are
therefore fully engine-canonical: nothing a manifest carries can produce
a system-flagged entity anymore.

**Accepted regression**: a manifest can no longer influence system field
properties at all. Previously a (legacy) re-declaration could shape them
at creation — which actually produced broken system fields, e.g. a
nullable, non-unique `id` — and could still toggle the allowlisted
`isActive` / `universalSettings` afterwards. We consider this acceptable
for now: per-app granularity over system fields will be reintroduced
later through the **override framework**, which will also settle update
semantics by forbidding direct updates over `isSystemSideEffect: true`
entities and expressing divergence as overrides.

`isSystemSideEffect`-only entities (the default relation fields
provisioned by this PR) still have no engine-level update guard (see
Follow-up below); that part is unchanged and also lands with the
overrides refactor.

## Follow-up

`isSystemSideEffect` field update/delete guards intentionally live at
the API layer (`sanitize-raw-update-field-input.ts`,
`from-delete-field-input-...util.ts`) rather than in the engine-level
`FlatFieldMetadataValidatorService`. Moving them into the validator
requires threading operation-origin (direct field mutation vs engine
cascade) through the migration matrix, otherwise legitimate object
rename/delete cascades (which carry `isSystemBuild=false`) would be
rejected. Tracked in twentyhq/core-team-issues#2671.

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2026-07-20 18:53:24 +02:00
Paul Rastoin b2a4bb0e0c docs(apps): add Targeting System Fields page (#22856)
## What

Adds a docs page teaching app developers how to reference auto-created
**system fields** (`createdAt`, `updatedAt`, `id`, …) from views and
other entities, and makes the API it documents real by exporting
`generateDefaultFieldUniversalIdentifier` from the SDK.

## Why

System fields are provisioned by the server, so they're never declared
with `defineField()` and have no importable `universalIdentifier`
constant. Since 2.19 their universal identifier is derived
deterministically from the application id, the object id and the field
name. Hardcoding an invented id fails sync with `INVALID_VIEW_DATA:
Field metadata not found` (this is exactly what broke the
twenty-partners `createdAt` view column).

The twenty-partners app already imports
`generateDefaultFieldUniversalIdentifier` from `twenty-sdk/define`, but
the function was never exported from the SDK. This PR adds the export
and documents the pattern.

## Changes

- **New page** `data/system-fields.mdx` — "Targeting System Fields":
- Lists the 8 system fields (`id`, `createdAt`, `updatedAt`,
`deletedAt`, `createdBy`, `updatedBy`, `position`, `searchVector`).
- Explains the deterministic derivation and the sync error from
hardcoding ids.
- Documents `generateDefaultFieldUniversalIdentifier({
applicationUniversalIdentifier, objectUniversalIdentifier, fieldName })`
with a full `defineView` example.
- Contrasts with standard objects (use
`STANDARD_OBJECT_UNIVERSAL_IDENTIFIERS.<object>.fields.<field>.universalIdentifier`)
and notes that `name` is a default, not system, field.
- **SDK export** — new `generate-default-field-universal-identifier.ts`
wrapping the existing `getFieldUniversalIdentifier` from
`twenty-shared/application` (`name` → `fieldName`), exported from
`define/index.ts`.
- Registered the page in `docs.json` (Data group) and cross-linked it
from the Views doc.

## Notes

`node_modules` isn't installed in this environment, so `nx typecheck`
wasn't run. The wrapper is a signature-matched pass-through and the
`twenty-shared/application` subpath + `getFieldUniversalIdentifier`
barrel export were both verified to exist.

---
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Code](https://claude.ai/code/session_017B7VivHcqZYjn3ukestY9U)_

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Co-authored-by: github-actions <github-actions@twenty.com>
2026-07-13 12:39:06 +00:00