fix(presence-service): MetricsModule 导入 RedisModule 和 PersistenceModule

修复依赖注入错误: PresenceRedisRepository 和 DAU/EventLog 仓库无法解析

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

backend/services/presence-service/src/infrastructure/metrics/metrics.module.ts

@@ -2,9 +2,12 @@ import { Module, Global } from '@nestjs/common';
 import { MetricsService } from './metrics.service';
 import { MetricsController } from './metrics.controller';
 import { MetricsCollectorService } from './metrics-collector.service';
+import { RedisModule } from '../redis/redis.module';
+import { PersistenceModule } from '../persistence/persistence.module';
 
 @Global()
 @Module({
+  imports: [RedisModule, PersistenceModule],
   controllers: [MetricsController],
   providers: [MetricsService, MetricsCollectorService],
   exports: [MetricsService],