fix: align admin behavior and Kratos integrations

internal/data/position.go

@@ -60,13 +60,7 @@ func (r *organizationRepo) FindPosition(ctx context.Context, id uint) (*biz.Posi
 	}
 	return posFromPO(po), nil
 }
-func (r *organizationRepo) ListPositions(ctx context.Context, page, size int, q *biz.Position) ([]*biz.Position, int64, error) {
-	if page < 1 {
-		page = 1
-	}
-	if size < 1 {
-		size = 10
-	}
+func (r *organizationRepo) ListPositions(ctx context.Context, page, size int, q *biz.PositionListFilter) ([]*biz.Position, int64, error) {
 	db := r.data.gormDB.WithContext(ctx).Model(&positionPO{})
 	if q != nil {
 		if q.Name != "" {
@@ -75,13 +69,16 @@ func (r *organizationRepo) ListPositions(ctx context.Context, page, size int, q
 		if q.Code != "" {
 			db = db.Where("code LIKE ?", "%"+q.Code+"%")
 		}
+		if q.Status != nil {
+			db = db.Where("status = ?", *q.Status)
+		}
 	}
 	var total int64
 	if err := db.Count(&total).Error; err != nil {
 		return nil, 0, err
 	}
 	var pos []positionPO
-	if err := db.Order("sort,id").Offset((page - 1) * size).Limit(size).Find(&pos).Error; err != nil {
+	if err := applyPagination(db.Order("sort"), page, size, 0).Find(&pos).Error; err != nil {
 		return nil, 0, err
 	}
 	out := make([]*biz.Position, 0, len(pos))
@@ -96,6 +93,9 @@ func (r *organizationRepo) PositionUserIDs(ctx context.Context, id uint) ([]uint
 	return ids, err
 }
 func (r *organizationRepo) SetPositionUsers(ctx context.Context, id uint, ids []uint) error {
+	if id == 0 {
+		return errors.New("岗位ID不能为空")
+	}
 	return r.data.gormDB.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
 		if err := tx.Where("sys_position_id = ?", id).Delete(&userPositionPO{}).Error; err != nil {
 			return err