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/src/index.ts

@@ -2,6 +2,7 @@ import { createServer } from 'http';
 import { app, logger } from './app';
 import { config } from './config';
 import { connectRedis } from './config/redis';
+import { connectDatabase, disconnectDatabase } from './config/db';
 import { initializeSocket } from './socket';
 import { loadLuaScripts } from './services/vote.service';
 import { loadVotingScripts } from './services/voting.engine';
@@ -11,6 +12,10 @@ import { participantService } from './services/participant.service';
 
 async function main(): Promise<void> {
   try {
+    // Connect to Database
+    logger.info('Connecting to Database...');
+    await connectDatabase();
+
     // Connect to Redis
     logger.info('Connecting to Redis...');
     await connectRedis();
@@ -50,6 +55,9 @@ async function main(): Promise<void> {
     const shutdown = async (signal: string) => {
       logger.info({ signal }, 'Shutdown signal received');
 
+      // Disconnect from database
+      await disconnectDatabase();
+
       httpServer.close(() => {
         logger.info('HTTP server closed');
         process.exit(0);