feat: add lottery results display page

- Add LOTTERY_RESULTS system phase
- Add /screen/lottery-results route
- Add LotteryResultsView component
- Add database connection management (db.ts)
- Update DrawResult schema to remove User relation
- Add awardIcon field to VoteResultsView

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

packages/server/prisma/schema.prisma

@@ -20,7 +20,6 @@ model User {
   updatedAt  DateTime @updatedAt @map("updated_at")
 
   votes       Vote[]
-  drawResults DrawResult[]
 
   @@map("users")
 }
@@ -82,14 +81,12 @@ model DrawResult {
   drawId           String   @map("draw_id")
   prizeLevel       String   @map("prize_level") @db.VarChar(20)
   prizeName        String   @map("prize_name") @db.VarChar(100)
-  winnerId         String   @map("winner_id")
+  winnerId         String   @map("winner_id") @db.VarChar(100)
   winnerName       String   @map("winner_name") @db.VarChar(100)
   winnerDepartment String   @map("winner_department") @db.VarChar(100)
   drawnAt          DateTime @default(now()) @map("drawn_at")
   drawnBy          String   @map("drawn_by") @db.VarChar(100)
 
-  winner User @relation(fields: [winnerId], references: [id])
-
   @@index([drawId])
   @@index([prizeLevel])
   @@index([winnerId])