feat: 更新目标管理模块，优化数据库表结构和API逻辑

- 修改目标表和目标完成记录表的字段类型，增强数据一致性和查询性能。
- 移除不必要的搜索字段，简化目标查询DTO，提升查询效率。
- 引入目标状态枚举，增强代码可读性和维护性。
- 添加复合索引以优化查询性能，提升系统响应速度。
- 更新目标管理控制器和服务逻辑，确保与新数据库结构的兼容性。

src/goals/goals.service.ts

@@ -32,6 +32,8 @@ export class GoalsService {
         ...createGoalDto,
         startDate: new Date(createGoalDto.startDate),
         endDate: createGoalDto.endDate ? new Date(createGoalDto.endDate) : null,
+        startTime: createGoalDto.startTime,
+        endTime: createGoalDto.endTime,
       });
 
       this.logger.log(`用户 ${userId} 创建了目标: ${goal.title}`);
@@ -47,7 +49,7 @@ export class GoalsService {
    */
   async getGoals(userId: string, query: GoalQueryDto) {
     try {
-      const { page = 1, pageSize = 20, status, repeatType, category, search, startDate, endDate, sortBy = 'createdAt', sortOrder = 'desc' } = query;
+      const { page = 1, pageSize = 20, status, repeatType, category, startDate, endDate, sortBy = 'createdAt', sortOrder = 'desc' } = query;
       const offset = (page - 1) * pageSize;
 
       // 构建查询条件
@@ -68,13 +70,6 @@ export class GoalsService {
         where.category = category;
       }
 
-      if (search) {
-        where[Op.or] = [
-          { title: { [Op.like]: `%${search}%` } },
-          { description: { [Op.like]: `%${search}%` } },
-        ];
-      }
-
       if (startDate || endDate) {
         where.startDate = {};
         if (startDate) {
@@ -85,6 +80,8 @@ export class GoalsService {
         }
       }
 
+      this.logger.log(`查询条件: ${JSON.stringify(where)}`);
+
       // 构建排序条件
       const order: Order = [[sortBy, sortOrder.toUpperCase()]];
 
@@ -107,7 +104,7 @@ export class GoalsService {
         page,
         pageSize,
         total: count,
-        items: goals.map(goal => this.formatGoalResponse(goal)),
+        list: goals.map(goal => this.formatGoalResponse(goal)),
       };
     } catch (error) {
       this.logger.error(`获取目标列表失败: ${error.message}`);
@@ -390,7 +387,7 @@ export class GoalsService {
    */
   private formatGoalResponse(goal: Goal) {
     const goalData = goal.toJSON();
-    
+
     // 计算进度百分比
     if (goalData.targetCount) {
       goalData.progressPercentage = Math.min(100, Math.round((goalData.completedCount / goalData.targetCount) * 100));