补充图片编辑选项 multipart 测试

覆盖质量、背景、输出格式与 mask 文件字段

断言文件名、MIME 类型和字节内容均正确发送

server-rs/crates/platform-image/src/vector_engine/curl_transport.rs

@@ -429,6 +429,53 @@ mod tests {
         server.abort();
     }
 
+    #[tokio::test]
+    async fn vector_engine_curl_transport_posts_raw_edit_options_and_mask() {
+        let (base_url, server, request_rx) = start_single_response_server().await;
+        let response = send_vector_engine_multipart_edit_request_with_curl_options(
+            format!("{base_url}/v1/images/edits").as_str(),
+            "test-key",
+            GPT_IMAGE_2_MODEL,
+            "测试提示词",
+            None,
+            "1536x1024",
+            1,
+            &[ReferenceImage {
+                bytes: b"reference".to_vec(),
+                mime_type: "image/webp".to_string(),
+                file_name: "reference.webp".to_string(),
+            }],
+            Some(&RawImageEditOptions {
+                quality: Some("high".to_string()),
+                background: Some("transparent".to_string()),
+                output_format: Some("png".to_string()),
+                width: 1536,
+                height: 1024,
+                mask: Some(ReferenceImage {
+                    bytes: b"mask-bytes".to_vec(),
+                    mime_type: "image/png".to_string(),
+                    file_name: "mask.png".to_string(),
+                }),
+            }),
+            1_000,
+        )
+        .await
+        .expect("curl multipart raw edit request should succeed");
+
+        assert_eq!(response.status, 200);
+        let request = request_rx
+            .await
+            .expect("mock server should capture request");
+        let request_text = String::from_utf8_lossy(request.as_slice());
+        assert!(request_text.contains("name=\"quality\"\r\n\r\nhigh"));
+        assert!(request_text.contains("name=\"background\"\r\n\r\ntransparent"));
+        assert!(request_text.contains("name=\"output_format\"\r\n\r\npng"));
+        assert!(request_text.contains("name=\"mask\"; filename=\"mask.png\""));
+        assert!(request_text.contains("Content-Type: image/png"));
+        assert!(request_text.contains("mask-bytes"));
+        server.abort();
+    }
+
     async fn start_single_response_server() -> (
         String,
         tokio::task::JoinHandle<()>,