feat(auth): single-owner first-boot model#1
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Single-user per instance: the first registrant becomes the owner and registration is then permanently closed. - ownerExists() helper (user count > 0) in the auth package - databaseHooks.user.create.before rejects signups with FORBIDDEN once an owner exists, so no endpoint can create a second account - redirect funnel in /, /login, /signup based on owner existence and session
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In the single-owner model the redirect funnel makes these links circular (/signup redirects to /login once an owner exists, and vice versa), so the 'Already have an account?' / 'Don't have an account?' prompts no longer apply.
Tears down the postgres volume and re-applies migrations for a clean slate, useful for testing the first-boot owner registration flow.
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Summary
Implements the single-user / "first registrant becomes owner" model. MatchaChoice is one user per instance — no roles, no multi-user.
Changes
ownerExists()helper (usercount > 0) in@matchachoice/auth.databaseHooks.user.create.beforethrowsAPIError("FORBIDDEN", …)once an owner exists, so any endpoint hitting user-create (incl. directsignUpcalls) is rejected./→ logged in:/dashboard; owner exists:/login; else:/signup/login→ logged in:/dashboard; no owner yet:/signup/signup→ logged in:/dashboard; owner exists:/login/) was previously an ASCII landing; it is now the entry funnel.Out of scope (not built)
Roles, multi-user, invitations, password reset, OAuth/SSO, magic links.
Verification
pnpm check(Ultracite) — greenpnpm check-types— greenSKIP_ENV_VALIDATION=1 pnpm build— greenauth.api.signUpEmailcall is rejected withFORBIDDENand no second account is created.Notes for reviewer
beforehook has a theoretical TOCTOU race on simultaneous first-registrations; acceptable for a single-user self-hosted instance (low traffic, one-time event).empty DB → /signup → register → /dashboard) was validated by logic/build; not run live because the local dev DB already contains one user. Happy to verify on a throwaway DB if desired.