feat: implement club admin dashboard with activity feed and settings

prisma/schema.prisma

@@ -27,6 +27,7 @@ model Player {
   partnershipGames2     PartnershipGame[]  @relation("PartnershipPlayer2")
   partnershipStats      PartnershipStat[]  @relation("StatPlayer1")
   partnershipStats2     PartnershipStat[]  @relation("StatPlayer2")
+  activities            Activity[]
   user                  User?
   eloRating             EloRating?
   glicko2Rating         Glicko2Rating?
@@ -53,6 +54,7 @@ model User {
   ownedTournaments Event[]   @relation("TournamentOwner")
   createdMatches   Match[]   @relation("MatchCreator")
   sessions         Session[]
+  activities       Activity[]
   player           Player?   @relation(fields: [playerId], references: [id])
 
   @@map("users")
@@ -79,6 +81,7 @@ model Event {
   owner           User?              @relation("TournamentOwner", fields: [ownerId], references: [id])
   matches         Match[]
   rounds          TournamentRound[]
+  activities      Activity[]
 
   // Team configuration fields
   teamDurability     String  @default("permanent") // permanent, variable, per_round
@@ -167,6 +170,7 @@ model Match {
   isCasual         Boolean           @default(false)
   bracketMatchups  BracketMatchup[]
   eloSnapshots     EloSnapshot[]
+  activities       Activity[]
   createdBy        User?             @relation("MatchCreator", fields: [createdById], references: [id])
   event            Event?            @relation(fields: [eventId], references: [id], onDelete: Cascade)
   player1P1        Player?           @relation("MatchPlayer1", fields: [player1P1Id], references: [id])
@@ -325,3 +329,34 @@ model OpenSkillRating {
 
   @@map("open_skill_ratings")
 }
+
+model Activity {
+  id          Int       @id @default(autoincrement())
+  type        String    // "player_registration", "tournament_created", "match_completed", "partnership_recorded"
+  description String
+  userId      String?
+  playerId    Int?
+  eventId     Int?
+  matchId     Int?
+  createdAt   DateTime  @default(now())
+  
+  user        User?     @relation(fields: [userId], references: [id])
+  player      Player?   @relation(fields: [playerId], references: [id])
+  event       Event?    @relation(fields: [eventId], references: [id])
+  match       Match?    @relation(fields: [matchId], references: [id])
+  
+  @@map("activities")
+}
+
+model ClubSettings {
+  id                    Int     @id @default(autoincrement())
+  clubName              String  @default("Euchre Club")
+  defaultEloRating      Int     @default(1200)
+  partnershipEnabled    Boolean @default(true)
+  notificationsEnabled  Boolean @default(true)
+  matchVerification     Boolean @default(false)
+  createdAt             DateTime @default(now())
+  updatedAt             DateTime @updatedAt
+  
+  @@map("club_settings")
+}