feat: enhance lottery system with participant import and prize config

- Fix ES module import issue in admin.service.ts (require -> import)
- Fix lottery reveal ghosting by hiding name particles on complete
- Add participant import from Excel with tag calculation
- Add prize configuration service with JSON persistence
- Constrain winners overlay to scroll area dimensions
- Fix macOS lsof syntax in stop script
- Add HorseRace view and renderer (WIP)

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

packages/server/src/index.ts

@@ -5,6 +5,8 @@ import { connectRedis } from './config/redis';
 import { initializeSocket } from './socket';
 import { loadLuaScripts } from './services/vote.service';
 import { loadVotingScripts } from './services/voting.engine';
+import { prizeConfigService } from './services/prize-config.service';
+import { participantService } from './services/participant.service';
 
 async function main(): Promise<void> {
   try {
@@ -17,6 +19,14 @@ async function main(): Promise<void> {
     await loadLuaScripts();
     await loadVotingScripts();
 
+    // Load prize configuration
+    logger.info('Loading prize configuration...');
+    await prizeConfigService.load();
+
+    // Restore participants from Redis
+    logger.info('Restoring participants from Redis...');
+    await participantService.restoreFromRedis();
+
     // Create HTTP server
     const httpServer = createServer(app);
 
@@ -55,3 +65,4 @@ async function main(): Promise<void> {
 }
 
 main();
+