v1.12.1

Added

• GET /events/:eventID/agendas?userIDs=A,B,C — bulk fetch up
  to 20 attendee agendas in one call. Drop-in for the LLM use-case
  "compare schedules across several DCers" (find shared sessions,
  spot meetup overlap) without paying N round-trips. Non-attendee
  IDs are silently dropped — pass a candidate list without
  pre-checking each ticket. Caller must hold a valid ticket to the
  event. New skill command: dc event-agendas <eventID> --user-ids=A,B,C.
• POST /events/:eventID/free-slots — server-side computation
  of shared free time windows across event attendees. Body:
  { userIDs[], minDurationMins?, withinDayDate? }. Returns slots
  ranked by overlap (most-shared first), each tagged with freeFor
  / busyFor. Date math runs server-side once instead of in every
  LLM caller — the same fake-UTC wall-clock convention as the rest
  of the events API, paired with the venue IANA timezone. Caller
  must hold a valid ticket; non-attendee IDs silently dropped. New
  skill command: dc event-free-slots <eventID> --user-ids=A,B,C [--min-duration-mins=30] [--within-day-date=2026-05-06].

Why

• Single-attendee /agenda/:userID shipped in 1.10.5; the missing
  pieces for "plan together with N DCers at an event" were the
  bulk fetch and the gap-finder. Both now land together so the
  AI-agent UX for "find me 30 minutes with Peter on Tuesday" or
  "plan a junto-style lunch with Alex, Lina, and Jeff at DCMEX"
  works in one or two calls.

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