Refactor event status handling: Remove EventStatus enum from the Prisma schema and update related API routes and UI components to calculate event status dynamically based on event date. This change simplifies event management and enhances data integrity by ensuring status is always derived from the date.

prisma/schema.prisma

@@ -23,12 +23,6 @@ enum EventType {
   CODE_KATA
 }
 
-enum EventStatus {
-  UPCOMING
-  LIVE
-  PAST
-}
-
 enum CharacterClass {
   WARRIOR
   MAGE
@@ -89,7 +83,6 @@ model Event {
   name        String
   description String
   type        EventType
-  status      EventStatus
   room        String?
   time        String?
   maxPlaces   Int?
@@ -97,7 +90,6 @@ model Event {
   updatedAt   DateTime    @updatedAt
   registrations EventRegistration[]
   
-  @@index([status])
   @@index([date])
 }