Summary

Booked time slots are still shown as available in v2/slots (API + BookerEmbed). When trying to reserve/book, the system throws an error.

Steps to Reproduce

1. Query v2/slots for a team event with an existing booking or reservation.
2. Observe that the time slot still appears available.
3. Try to reserve/book — booking fails.

Expected Result

• Booked slots should appear as unavailable.
• If other team members are free, booking should still succeed.

Impact

• Severity: S1