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Summary

Fifteen signed-in portal pages still fetched their first data in the browser after the page loaded, adding one or two round trips before content appeared. This prefetches those reads on the server through PrefetchedPage, as #580 and #582 did for the other pages, so the data ships with the HTML.

• Pages whose page.tsx was a client component (admin analytics, initiatives, projects, resumes, staff, subteams; scan; club scan; hackathon check-in) are split: the client code moves byte-for-byte to a sibling *Page.tsx, and page.tsx becomes a thin server wrapper.
• Hackathon detail and /hacklytics prefetch the next-step strip's reads (submission window, my submission, judging itinerary, results) only when nextStepQueries enables them for the user's registration. The shared logic is in lib/next-step-reads.server.ts.
• The judge desk prefetches its context, then announcements, itinerary and the project queue (with the client's default filters). That removes a two-step waterfall.
• Admin hackathons prefetches each card's events. The admin hackathon dashboard prefetches the wave status and the registration email status when the Applications tab shows them.
• Each input matches the client useQuery input, so react-query finds the data in its cache. A read the user isn't allowed to make is skipped, and the client fetches it as before.

Testing

Production builds of dev and this branch were run side by side against the local Docker test database (seeded users), with 100 ms of network latency emulated:

• 13 of the 15 pages now make zero client tRPC calls after load. Before this change, their data arrived 0.8 to 2.1 s after navigation.
• The judge desk is left with only its heartbeat mutation.
• /lead for a non-leader still refetches, because the server read returns FORBIDDEN; a leader gets the data prefetched.
• Rendered text, html class, final URL and console/hydration errors are identical between the two builds:
  • every page, at widths 402 and 1440, for the hacker, judge, member and admin users;
  • for a non-admin on the admin and scan pages;
  • signed out.
• typecheck, lint and next build pass.

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Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

None

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Visit the preview URL for this PR (updated for commit 5a1db8b):

https://hacklytics2027--pr-584-251a4qcn.web.app

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