Closes [89](https://github.com/twentyhq/core-team-issues/issues/89)
## Problem
When users attempt to create or update a record with a duplicate value
for a unique field (e.g., duplicate email or domain name), they receive
a generic error message: "This record already exists. Please check your
data and try again." This provides no actionable way to locate and view
the existing conflicting record, forcing users to manually search for
it.
## Solution
This PR enhances duplicate key constraint error handling to
automatically detect the conflicting record and display a "View existing
record" link in the error notification. When clicked, users are
navigated directly to the existing record's detail page.
## Backend Changes
### 1. PostgreSQL Error Parsing
(`parse-postgres-constraint-error.util.ts`)
- Extracts structured information from PostgreSQL `QueryFailedError`
messages.
### 2. Conflicting Record Lookup (`find-conflicting-record.util.ts`)
- Queries the database to find the existing record with the conflicting
value
### 3. Error Handling Orchestration
(`handle-duplicate-key-error.util.ts`)
- Parses PostgreSQL error to extract column name and conflicting value
- Attempts to find the conflicting record
- Enriches `TwentyORMException` with `conflictingRecordId` and
`conflictingObjectNameSingular` if found
### 4. Exception Computation Updates (`compute-twenty-orm-exception.ts`)
- Made function `async` and added optional `entityManager` and
`internalContext` parameters
- Needed to support async database queries for conflicting record lookup
### 5. GraphQL Error Handler
(`twenty-orm-graphql-api-exception-handler.util.ts`)
- **Changes**: Enhanced `DUPLICATE_ENTRY_DETECTED` case to include
`conflictingRecordId` and `conflictingObjectNameSingular` in GraphQL
error extensions
## Frontend Changes
### 1. Error Extraction Utility
(`get-conflicting-record-from-apollo-error.util.ts`)
- Accesses GraphQL error extensions
- Validates that both `conflictingRecordId` and
`conflictingObjectNameSingular` exist and are strings
- Returns `null` if validation fails
### 2. SnackBar Enhancement (`useSnackBar.ts`)
- Extracts conflicting record info from Apollo error
- Constructs URL using `getAppPath` utility
- Adds link object to snackbar options with text "View existing record"
<img width="931" height="858" alt="image"
src="https://github.com/user-attachments/assets/28137dc7-18ab-4ffe-b669-1f2d4ec264d1"
/>
While investigating the issue a customer was facing, I discovered that
before records and after records could be in different order, making the
orm event and timeline activity engine mix records
Large PR, sorry for that. Don't hesitate to reach me to have full
context (env. 500lines for integration and unit tests)
- Add connect logic in Workspace Entity Manager
- Update QueryDeepPartialEntity type to enable dev to use connect
- Add integration test on createOne / createMany
- Add unit test to cover main utils
- Remove feature flag on connect
closes https://github.com/twentyhq/core-team-issues/issues/1148
closes https://github.com/twentyhq/core-team-issues/issues/1147
Abdullah.