From 3428a9823b2d5778cb53b8c1fe47a04af1ec7357 Mon Sep 17 00:00:00 2001
From: toom1996 <23cm.cn@gmail.com>
Date: Mon, 21 Sep 2026 22:36:07 +0800
Subject: [PATCH] =?UTF-8?q?fix(street):=20=E8=A1=A5=E9=BD=90=20errors.go?=
 =?UTF-8?q?=20=E7=9A=84=20ErrInvalidImageGroup=20=E5=93=A8=E5=85=B5?=
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---
 internal/repository/errors.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/internal/repository/errors.go b/internal/repository/errors.go
index af955e2..098396b 100644
--- a/internal/repository/errors.go
+++ b/internal/repository/errors.go
@@ -10,3 +10,6 @@ import "errors"
 
 // ErrNotFound 记录不存在。
 var ErrNotFound = errors.New("record not found")
+
+// ErrInvalidImageGroup 主副图分组操作不合法：主图不存在 / 不属于该草稿 / 自身不是主图 / 空集合。
+var ErrInvalidImageGroup = errors.New("invalid image group")