Test OpenCode review format v2

[huynguyen03dev]

This PR intentionally contains a couple of regressions so OpenCode can review the updated PR comment style.

[github-actions]

Returning null when the result of initialProfile() isn’t an object with id swallows the sign-in redirect and leaves the page blank for unauthenticated users. That changes auth flow correctness in a real user path. Smallest fix: remove the id guard entirely and let initialProfile() throw/return the redirect response, or explicitly return profile when it’s a redirect response instead of null.

Accessing user.emailAddresses[0].emailAddress can throw if the array is empty, which is a possible runtime edge case for users without a primary email. This would fail profile creation and break onboarding. Smallest fix: guard for an empty array (e.g., use .at(0) with a fallback or pick the primary email) and handle the missing email path explicitly before creating the profile.

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