简化 Raw 图片编辑响应类型

移除无必要的 JSON Value 转换
保持响应结构由类型系统校验

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

@@ -10,7 +10,7 @@ use platform_image::{
     validate_raw_image_edit_dimensions,
 };
 use serde::{Deserialize, Serialize};
-use serde_json::{Value, json};
+use serde_json::json;
 use std::io::Cursor;
 
 use crate::{
@@ -62,7 +62,7 @@ pub(crate) async fn edit_raw_image(
     Extension(request_context): Extension<RequestContext>,
     Extension(authenticated): Extension<AuthenticatedAccessToken>,
     Json(payload): Json<RawImageEditRequest>,
-) -> Result<Json<Value>, AppError> {
+) -> Result<Json<RawImageEditResponse>, AppError> {
     let prepared = prepare_request(payload)?;
     let settings = require_openai_image_settings(&state)?.with_external_api_audit_context(
         &request_context,
@@ -110,9 +110,7 @@ pub(crate) async fn edit_raw_image(
         ),
     )
     .await?;
-    Ok(Json(serde_json::to_value(result).map_err(|error| {
-        AppError::from_status(StatusCode::INTERNAL_SERVER_ERROR).with_message(error.to_string())
-    })?))
+    Ok(Json(result))
 }
 
 struct PreparedRawImageEdit {