fix: align admin behavior and Kratos integrations

internal/data/pagination.go

@@ -0,0 +1,16 @@
+package data
+
+import "gorm.io/gorm"
+
+func applyPagination(db *gorm.DB, page, size, maxSize int) *gorm.DB {
+	if size <= 0 {
+		return db
+	}
+	if maxSize > 0 && size > maxSize {
+		size = maxSize
+	}
+	if page <= 0 {
+		page = 1
+	}
+	return db.Offset((page - 1) * size).Limit(size)
+}