feat: 添加编排预计时长显示

1. CompetitionGroupDTO添加estimatedDuration字段
2. ScheduleGroupDetailVO添加estimatedDuration字段
3. SQL查询添加estimated_duration
4. 前端场地视图显示合计时间

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

src/main/java/org/springblade/modules/martial/mapper/MartialScheduleGroupMapper.xml

@@ -12,6 +12,7 @@
 			g.total_teams AS totalTeams,
 			g.total_participants AS totalParticipants,
 			g.display_order AS displayOrder,
+			g.estimated_duration AS estimatedDuration,
 			d.id AS detailId,
 			d.venue_id AS venueId,
 			d.venue_name AS venueName,

src/main/java/org/springblade/modules/martial/pojo/dto/CompetitionGroupDTO.java

@@ -77,6 +77,12 @@ public class CompetitionGroupDTO implements Serializable {
 	@Schema(description = "时间段索引")
 	private Integer timeSlotIndex;
 
+	/**
+	 * 预计时长(分钟)
+	 */
+	@Schema(description = "预计时长(分钟)")
+	private Integer estimatedDuration;
+
 	/**
 	 * 参赛人员列表
 	 */

src/main/java/org/springblade/modules/martial/pojo/vo/ScheduleGroupDetailVO.java

@@ -21,6 +21,7 @@ public class ScheduleGroupDetailVO implements Serializable {
 	private Integer totalTeams;
 	private Integer totalParticipants;
 	private Integer displayOrder;
+	private Integer estimatedDuration; // 预计时长(分钟)
 
 	// === 编排明细信息 ===
 	private Long detailId;

src/main/java/org/springblade/modules/martial/service/impl/MartialScheduleArrangeServiceImpl.java

@@ -176,6 +176,7 @@ public class MartialScheduleArrangeServiceImpl implements IMartialScheduleArrang
 			groupData.put("displayOrder", group.getDisplayOrder());
 			groupData.put("totalParticipants", group.getTotalParticipants());
 			groupData.put("totalTeams", group.getTotalTeams());
+			groupData.put("estimatedDuration", group.getEstimatedDuration());
 
 			// 获取该分组的场地时间段详情
 			LambdaQueryWrapper<MartialScheduleDetail> detailWrapper = new LambdaQueryWrapper<>();

src/main/java/org/springblade/modules/martial/service/impl/MartialScheduleServiceImpl.java

@@ -245,6 +245,7 @@ public class MartialScheduleServiceImpl extends ServiceImpl<MartialScheduleMappe
 			groupDTO.setVenueName(firstDetail.getVenueName());
 			groupDTO.setTimeSlot(firstDetail.getTimeSlot());
 			groupDTO.setTimeSlotIndex(firstDetail.getTimeSlotIndex() != null ? firstDetail.getTimeSlotIndex() : 0);
+			groupDTO.setEstimatedDuration(firstDetail.getEstimatedDuration());
 
 			// 获取参赛者列表
 			List<ParticipantDTO> participantDTOs = groupDetails.stream()