修复 Bytes 迁移后的图片类型边界

统一使用 Bytes 的只读引用并在旧 Vec 接口处显式转换。

修复编辑器参考图对齐与 Raw PNG 解码编译错误。

server-rs/crates/api-server/src/editor_project.rs

@@ -4646,7 +4646,7 @@ fn prepare_editor_image_edit_references(
         );
     }
     for (index, reference) in reference_images.iter_mut().enumerate() {
-        let decoded = image::load_from_memory(reference.bytes.as_slice()).map_err(|error| {
+        let decoded = image::load_from_memory(reference.bytes.as_ref()).map_err(|error| {
             AppError::from_status(StatusCode::BAD_REQUEST).with_details(json!({
                 "provider": "editor-image-edit",
                 "message": format!("图片改造参考图不是有效图片：{error}"),
@@ -4677,7 +4677,8 @@ fn prepare_editor_image_edit_references(
             image::DynamicImage::ImageRgba8(aligned),
             StatusCode::BAD_REQUEST,
             "图片改造参考图 16 对齐失败",
-        )?;
+        )?
+        .into();
         reference.mime_type = "image/png".to_string();
         reference.file_name = format!("editor-image-edit-reference-{}.png", index + 1);
     }

server-rs/crates/api-server/src/editor_project_icon.rs

@@ -2324,7 +2324,7 @@ pub async fn split_editor_icon_spritesheet(
         Err(_) => return Err(editor_icon_spritesheet_processing_timeout_error()),
     };
     let source = DownloadedImage {
-        bytes: reference.bytes,
+        bytes: reference.bytes.to_vec(),
         mime_type: reference.mime_type,
         extension: "png".to_string(),
     };

server-rs/crates/api-server/src/raw_image.rs

@@ -370,7 +370,7 @@ fn decode_image(value: RawImageData, field: &str) -> Result<(ReferenceImage, u32
     if bytes.is_empty() {
         return Err(bad_request(format!("{field} 文件不能为空")));
     }
-    let mut reader = ImageReader::new(Cursor::new(bytes.as_slice()))
+    let mut reader = ImageReader::new(Cursor::new(bytes.as_ref()))
         .with_guessed_format()
         .map_err(|_| bad_request(format!("{field} 文件必须是有效 PNG 文件")))?;
     let mut limits = image::Limits::default();