收敛原始图片 multipart 错误

服务端记录解析原始错误，客户端仅返回稳定分类文案。

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

@@ -168,7 +168,10 @@ async fn parse_multipart_request(
     while let Some(field) = multipart
         .next_field()
         .await
-        .map_err(|error| bad_request(format!("multipart 字段读取失败：{error}")))?
+        .map_err(|error| {
+            tracing::warn!(error = %error, "raw image multipart 字段解析失败");
+            bad_request("multipart 请求无效")
+        })?
     {
         let name = field
             .name()
@@ -225,7 +228,10 @@ async fn read_multipart_image(
     let bytes = field
         .bytes()
         .await
-        .map_err(|error| bad_request(format!("{name} 文件读取失败：{error}")))?;
+        .map_err(|error| {
+            tracing::warn!(field = name, error = %error, "raw image multipart 图片读取失败");
+            bad_request(format!("{name} 字段读取失败"))
+        })?;
     if bytes.is_empty() {
         return Err(bad_request(format!("{name} 文件不能为空")));
     }
@@ -244,12 +250,10 @@ async fn set_text_field(
     if target.is_some() {
         return Err(bad_request(format!("{name} 字段不能重复")));
     }
-    *target = Some(
-        field
-            .text()
-            .await
-            .map_err(|error| bad_request(format!("{name} 字段读取失败：{error}")))?,
-    );
+    *target = Some(field.text().await.map_err(|error| {
+        tracing::warn!(field = name, error = %error, "raw image multipart 文本读取失败");
+        bad_request(format!("{name} 字段读取失败"))
+    })?);
     Ok(())
 }