Fix error toast display for profile settings save

[Copilot]

Changes

Profile settings UpdateUserInfo mutation was missing proper error handling to display toast notifications consistently.

• Error handling: Toast now displays on all mutation failures, including field validation errors (previously only showed for generic errors)
• Defensive error handling: Added try-catch wrapper around JSON.parse to prevent crashes when error responses are not in expected format
• Development debugging: Added console warnings (dev-only) to aid debugging of malformed error responses
• Code quality: Simplified error handling logic and added proper type safety

Technical changes

packages/shared/src/hooks/useUserInfoForm.ts

onError: (err) => {
  if (err?.response?.errors?.length) {
    try {
      const data: ProfileFormHint = JSON.parse(
        err.response.errors[0].message,
      );
      
      Object.entries(data).forEach(([key, value]) => {
        methods.setError(key as keyof UserProfile, {
          type: 'manual',
          message: value,
        });
      });
    } catch (e: unknown) {
      // If parsing fails, log in dev mode for debugging
      if (process.env.NODE_ENV !== 'production') {
        console.warn('Failed to parse error response:', err.response.errors[0].message, e);
      }
    }
  }
  
  displayToast('Failed to update profile');
}

Note: Loading button functionality was added in a separate PR (#5349) and is not part of this change.

Events

No new tracking events.

Experiment

No new experiments.

Manual Testing

Caution

Please make sure existing components are not breaking/affected by this PR

On those affected packages:

• Have you done sanity checks in the webapp?
• Have you done sanity checks in the extension?
• Does this not break anything in companion?

Original prompt

When the UpdateUserInfo mutation fails on updating my profile settings page, there is no error toast message. Additionally there is not spinner on the save button while the UpdateUserInfo mutation is running.

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Preview domain

https://copilot-fix-update-user-info-err.preview.app.daily.dev

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Project	Deployment	Review	Updated (UTC)
daily-webapp	Ready	Preview	Jan 22, 2026 1:45pm

[CLAassistant]

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1 out of 2 committers have signed the CLA.

✅ omBratteng
❌ Copilot
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[omBratteng]

@copilot Rebase your changes, I added the loading button in a separate PR.
Make sure that any error message is shown correctly on the profile settings page when there is an error, it currently does not.

[Copilot]

@copilot Rebase your changes, I added the loading button in a separate PR.
Make sure that any error message is shown correctly on the profile settings page when there is an error, it currently does no...

Rebased and removed duplicate loading button change. Added try-catch wrapper around JSON.parse to ensure error toast displays correctly even when error response format is unexpected. (fe63197)