feat(push-notifications): 新增挑战提醒定时推送功能

新增每日定时推送系统，根据用户参与状态发送不同类型的挑战提醒：
- 已参与用户：每日发送鼓励推送
- 未参与用户：隔天发送挑战邀请
- 匿名用户：隔天发送通用邀请

包含推送历史记录表、定时任务调度、多类型文案模板和防重复发送机制

src/push-notifications/push-notifications.module.ts

@@ -8,9 +8,11 @@ import { PushTokenService } from './push-token.service';
 import { PushTemplateService } from './push-template.service';
 import { PushMessageService } from './push-message.service';
 import { PushTestService } from './push-test.service';
+import { ChallengeReminderService } from './challenge-reminder.service';
 import { UserPushToken } from './models/user-push-token.model';
 import { PushMessage } from './models/push-message.model';
 import { PushTemplate } from './models/push-template.model';
+import { PushReminderHistory } from './models/push-reminder-history.model';
 import { ConfigModule } from '@nestjs/config';
 import { DatabaseModule } from '../database/database.module';
 import { UsersModule } from '../users/users.module';
@@ -27,6 +29,7 @@ import { ChallengeParticipant } from '../challenges/models/challenge-participant
       UserPushToken,
       PushMessage,
       PushTemplate,
+      PushReminderHistory,
       ChallengeParticipant,
     ]),
   ],
@@ -41,6 +44,7 @@ import { ChallengeParticipant } from '../challenges/models/challenge-participant
     PushTemplateService,
     PushMessageService,
     PushTestService,
+    ChallengeReminderService,
   ],
   exports: [
     ApnsProvider,
@@ -49,6 +53,7 @@ import { ChallengeParticipant } from '../challenges/models/challenge-participant
     PushTemplateService,
     PushMessageService,
     PushTestService,
+    ChallengeReminderService,
   ],
 })
 export class PushNotificationsModule { }