feat：新增活动日志模块，包括控制器、服务、模型及数据传输对象，更新应用模块以引入新模块，并在打卡和训练计划模块中集成活动日志记录功能。

src/training-plans/training-plans.service.ts

@@ -2,12 +2,15 @@ import { Injectable, NotFoundException } from '@nestjs/common';
 import { InjectModel } from '@nestjs/sequelize';
 import { TrainingPlan } from './models/training-plan.model';
 import { CreateTrainingPlanDto } from './dto/training-plan.dto';
+import { ActivityLogsService } from '../activity-logs/activity-logs.service';
+import { ActivityActionType, ActivityEntityType } from '../activity-logs/models/activity-log.model';
 
 @Injectable()
 export class TrainingPlansService {
   constructor(
     @InjectModel(TrainingPlan)
     private trainingPlanModel: typeof TrainingPlan,
+    private readonly activityLogsService: ActivityLogsService,
   ) { }
 
   async create(userId: string, dto: CreateTrainingPlanDto) {
@@ -25,11 +28,27 @@ export class TrainingPlansService {
       startWeightKg: dto.startWeightKg ?? null,
       preferredTimeOfDay: dto.preferredTimeOfDay ?? '',
     });
+    await this.activityLogsService.record({
+      userId,
+      entityType: ActivityEntityType.TRAINING_PLAN,
+      action: ActivityActionType.CREATE,
+      entityId: plan.id,
+      changes: plan.toJSON(),
+    });
     return plan.toJSON();
   }
 
   async remove(userId: string, id: string) {
     const count = await this.trainingPlanModel.destroy({ where: { id, userId } });
+    if (count > 0) {
+      await this.activityLogsService.record({
+        userId,
+        entityType: ActivityEntityType.TRAINING_PLAN,
+        action: ActivityActionType.DELETE,
+        entityId: id,
+        changes: null,
+      });
+    }
     return { success: count > 0 };
   }