feat: add Eventbrite admin data layer and show-up prediction API - #47
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DJCrossman wants to merge 1 commit into
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feat: add Eventbrite admin data layer and show-up prediction API#47DJCrossman wants to merge 1 commit into
DJCrossman wants to merge 1 commit into
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Introduces the server-side data layer for the admin dashboard behind /api/admin/* (guarded by requireAdmin on top of the proxy): - fetch/eventbrite.ts: shared Bearer-header GET client (refuses non-Eventbrite hosts, one retry on 429). fetch/events.ts and fetch/createEvent.ts migrate onto it, removing the token-in-URL query params that risked leaking the token into logs. - fetch/adminEvents.ts: upcoming events with expand=ticket_classes,venue for sold/capacity without the venue N+1 (drafts included). - fetch/attendees.ts: continuation-paginated attendee fetch; drafts 404 to an empty list. - fetch/attendanceHistory.ts: per-email registration/check-in stats from the 25 most recent past events, cached 6h via unstable_cache. Events with zero scans carry no signal and are skipped so unscanned events don't mark everyone a no-show (verified against real data: 20/25 recent events have scans, base rate 61%). - utils/showUpProbability.ts: smoothed personal rate (C + 3B)/(R + 3) clamped to [0.05, 0.95]; first-timers get the base rate and isNew. - lib/attendeeReport.ts: composes event + attendees + history into the report used by the API route and (next PR) the detail page; checked-in attendees count as 1.0 so expected turnout converges during an event. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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This was referenced Aug 21, 2026
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Stack 2/4 — stacked on #46 (Slack OAuth). Next: events list UI → event detail UI.
Summary
fetch/eventbrite.ts): Bearer-header GET with a host allowlist (the token can never be sent off-Eventbrite) and one 429 retry.fetch/events.ts/fetch/createEvent.tsmigrate onto it — this removes the existing?token=query-param auth (token-leak fix); public/api/eventsbehavior is unchanged.fetchAdminEvents()/fetchAdminEventById()useexpand=ticket_classes,venue→ sold/capacity per event, no venue N+1, drafts included.fetchAttendeesForEvent()follows continuation pagination (50/page); draft events 404 →[].fetch/attendanceHistory.ts): per-email{registrations, checkins}from the 25 most recent past events, deduped per (event, email), cancelled/refunded excluded, cached 6h (unstable_cache, tagattendance-history). Events with zero scans are skipped — organizers sometimes don't run check-in, and counting those days would mark everyone a no-show.utils/showUpProbability.ts): smoothed personal ratep = (C + 3B)/(R + 3)whereB= community base rate, clamped to [5%, 95%]; no-history attendees getB+isNew.lib/attendeeReport.tscomposes event + attendees + predictions + summary (expected turnout counts checked-in people as 1.0).GET /api/admin/eventsandGET /api/admin/events/[id]/attendees, bothrequireAdmin()-guarded (defense in depth behind the proxy), house-style error fallbacks, 404 passthrough.Verified against the live Eventbrite org
bun run lint/bun run buildpass;grep -rn 'token=' fetch/is empty/api/admin/events→ 401🤖 Generated with Claude Code