feat: better auth

[rebelchris]

Changes

Events

Did you introduce any new tracking events?

Experiment

Did you introduce any new experiments?

Manual Testing

Caution

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

Preview domain

https://feat-better-auth.preview.app.daily.dev

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Project	Deployment	Actions	Updated (UTC)
daily-webapp	Ready	Preview	Mar 16, 2026 11:55am

1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
storybook	Ignored		Mar 16, 2026 11:55am

[rebelchris]

@claude make sure all circleCI is happy and green

[claude]

Claude finished @rebelchris's task in 35m 36s —— View job

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Checking CircleCI Status

• Check CI status for the PR
• Identify failing/problematic tests
• Fix useRegistration.ts - implement auto sign-in after sign-up
• Add @marsidev/react-turnstile mock in jest config
• Fix RegistrationForm.tsx - display hints['traits.email'] error
• Fix RegistrationForm.spec.tsx - BetterAuth test setup issues
• Fix AccountSecurityPage.tsx - BetterAuth test waitForNock issue

Issues Found

packages/shared tests (RegistrationForm.spec.tsx)

1. renderBetterAuthRegistration calls waitForNock() but Kratos interceptors (set up by renderComponent()) are never consumed when isBetterAuth=true — causes timeout
2. Form submission blocked by @marsidev/react-turnstile returning undefined in JSDOM (not mocked)
3. Experience level dropdown not selected → form validation fails early
4. Second email check (from RegistrationForm.handleFormSubmit) needs a nock mock
5. Missing feature: auto sign-in after sign-up in useRegistration.ts (the BETTER_AUTH_SIGNUP_FALLBACK_ERROR constant is defined but never used)
6. hints['traits.email'] not rendered in RegistrationForm, so error message never appears in DOM

packages/webapp tests (AccountSecurityPage.tsx)
7. Better Auth test calls waitForNock() after renderComponent() which sets up Kratos interceptors never consumed with isBetterAuth=true