feat(TEA-69): disable signups after the first account exists#33
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Mohamed-Elshesheny merged 2 commits intomainfrom Apr 15, 2026
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…ter bootstrap - Added a new SQL trigger to prevent user signup if a user already exists in the database. - Introduced an `authStateRouter` with an endpoint to check if signup is enabled. - Updated the authentication logic to throw an error when signup is attempted while disabled.
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feat(auth)/Disable-signups-after-bootstrap
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Summary
Single-admin bootstrap for auth: signups are only allowed until the first user exists. The web app gates
/signup, hides the signup link on login when closed, and reads availability from the backend via the SDK.VITE_BACKEND_URLis declared inturbo.jsonfor caching and ESLint.Related Issues
Fixes #TEA-69
Type of Change
New feature
Changes
GET /api/auth-state/signup-availability(signupEnabled); auth rejects additional registrations once a user exists.getSignupAvailability()uses the shared API client and returns{ signupEnabled }.signupAvailabilityQueryOptions;/signupredirects inbeforeLoadwhen disabled; login hides the signup link; invalidate availability after successful registration.globalEnv: ["VITE_BACKEND_URL"].How to Test
/signupshows the form; login shows the signup link./signupredirects to/login; signup link hidden; first user can still sign in.Expected result: At most one self-serve signup; returning users can log in; no signup path in the UI when the system is locked.