From acfdfb03f5914b33a3ce6284e38b7cbfc8458c50 Mon Sep 17 00:00:00 2001
From: xfy <i@rua.plus>
Date: Wed, 15 Jul 2026 13:30:38 +0800
Subject: [PATCH] =?UTF-8?q?fix(image):=20=E4=B8=BA=20ImageFmt=20=E5=88=AB?=
 =?UTF-8?q?=E5=90=8D=E8=A1=A5=E4=B8=8A=20#[cfg(feature=20=3D=20"server")]?=
 =?UTF-8?q?=20=E9=97=A8=E6=8E=A7?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

type ImageFmt = image::ImageFormat 未加 server feature 门控，
而 image crate 是 server-only 可选依赖。WASM 构建 (web feature)
解析到该别名时找不到 image crate，报 E0433。

detect_format (唯一使用方) 已有 #[cfg(feature = "server")]，
测试也在 #[cfg(all(test, feature = "server"))] 下，别名只需对齐门控。
---
 src/api/image.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/api/image.rs b/src/api/image.rs
index af5a82e..54a8cb4 100644
--- a/src/api/image.rs
+++ b/src/api/image.rs
@@ -230,6 +230,7 @@ fn detect_format(path: &str) -> ImageFmt {
 }
 
 /// detect_format 的轻量返回类型，避免在热路径上构造 image::ImageFormat。
+#[cfg(feature = "server")]
 type ImageFmt = image::ImageFormat;
 
 #[cfg(feature = "server")]