优化结构

internal/data/system/position.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"kra/internal/biz/system"
+	"kra/pkg/database/pagination"
 	"time"
 
 	"gorm.io/gorm"
@@ -83,10 +84,7 @@ func (r *positionRepo) ListPositions(ctx context.Context, page, size int, q *sys
 		return nil, 0, err
 	}
 	var pos []positionPO
-	// The compatible position endpoint applies the supplied LIMIT/OFFSET
-	// directly (it does not normalize missing page values through the shared
-	// pagination helper).
-	if err := db.Order("sort").Limit(size).Offset(size * (page - 1)).Find(&pos).Error; err != nil {
+	if err := pagination.ApplyRequired(db.Order("sort"), page, size, 100).Find(&pos).Error; err != nil {
 		return nil, 0, err
 	}
 	out := make([]*system.Position, 0, len(pos))
@@ -95,6 +93,7 @@ func (r *positionRepo) ListPositions(ctx context.Context, page, size int, q *sys
 	}
 	return out, total, nil
 }
+
 func (r *positionRepo) PositionUserIDs(ctx context.Context, id uint) ([]uint, error) {
 	var ids []uint
 	err := r.data.DB().WithContext(ctx).Model(&userPositionPO{}).Where("sys_position_id = ?", id).Pluck("sys_user_id", &ids).Error