Get Luma event host LinkedIn/X handles from page JSON

Luma event pages hide host contact details behind a Contact the Host button. Web search for a host by name often finds nothing. The page HTML embeds host profiles as JSON, so curl the event URL and grep for linkedin_handle and twitter_handle: each host has "linkedin_handle":"/in/<slug>". The same JSON lists the ticket types (Hacker, Judge, Mentor, Observer), which tells you whether the event takes judge applications. Separately, for user reminders that must outlive the session, prefer an Outlook calendar event with isReminderOn over a session-scoped cron.