feat: 集成Redis模块并重构限流存储机制

src/app.module.ts

@@ -8,6 +8,7 @@ import { ConfigModule } from '@nestjs/config';
 import { ScheduleModule } from '@nestjs/schedule';
 import { ThrottlerModule, ThrottlerGuard } from '@nestjs/throttler';
 import { LoggerModule } from './common/logger/logger.module';
+import { RedisModule, ThrottlerStorageRedisService } from './redis';
 import { CheckinsModule } from './checkins/checkins.module';
 import { AiCoachModule } from './ai-coach/ai-coach.module';
 import { TrainingPlansModule } from './training-plans/training-plans.module';
@@ -33,10 +34,18 @@ import { HealthProfilesModule } from './health-profiles/health-profiles.module';
       envFilePath: '.env',
     }),
     ScheduleModule.forRoot(),
-    ThrottlerModule.forRoot([{
-      ttl: 60000, // 时间窗口：60秒
-      limit: 100, // 每个时间窗口最多100个请求
-    }]),
+    // 限流模块必须在 RedisModule 之后导入，以确保 Redis 连接可用
+    RedisModule,
+    ThrottlerModule.forRootAsync({
+      useFactory: (throttlerStorage: ThrottlerStorageRedisService) => ({
+        throttlers: [{
+          ttl: 60000, // 时间窗口：60秒
+          limit: 100, // 每个时间窗口最多100个请求
+        }],
+        storage: throttlerStorage,
+      }),
+      inject: [ThrottlerStorageRedisService],
+    }),
     LoggerModule,
     DatabaseModule,
     UsersModule,