## Summary
Inline edits of EMAILS fields could leave the UI in a misleading state:
the frontend validated with Zod's default `z.email()` while the server
used the stricter `z.regexes.unicodeEmail` pattern (which caps the local
part at 64 characters). A very long email passed client validation and
was optimistically written to the UI; the server then rejected the
mutation. An error snackbar was shown, but the field kept displaying the
unsaved value until a page reload.
## Changes
- **Single source of truth for email validation**: added a shared
`emailSchema` (`z.email({ pattern: z.regexes.unicodeEmail })`) in
`twenty-shared/utils`, now used by:
- the server-side EMAILS field validator
(`validate-emails-primary-email-subfield-or-throw.util.ts`)
- the `EmailsFieldInput` inline editor
- spreadsheet import validation
- **Rollback on failed save**: `useUpdateOneRecord` now restores the
optimistically updated fields in the record store when the mutation
fails, mirroring the store upsert already done in the success path.
Previously the catch block only rolled back the Apollo cache — which
stopped reverting the UI after table virtualization, since the record
store (the render source of truth) is no longer synced reactively from
the cache. The error is still rethrown, so the existing global
promise-rejection handler keeps showing the error snackbar. This fixes
the stale-value-until-reload behavior for all field types and all
callers, not just EMAILS fields.
- **Regression tests**: added unit tests for the shared schema,
including the >64-character local part case.
Fixes [sonarly issue
#54034](https://sonarly.com/issue/54034?share=eyJ0aWQiOjMzMCwidHlwIjoiYnVnIiwicmlkIjo1NDAzNCwiZXhwIjoxNzgzNTI1OTQzfQ.9e7639034a677301512fceeafab764b1)
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Abdul Rahman
429e8c4b84
