补充 Raw 图片编辑请求日志

记录上游响应状态与耗时
记录传输失败阶段和结构化上下文

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

@@ -171,6 +171,16 @@ pub async fn create_vector_engine_raw_image_edit(
             )
         })?;
     let status = response.status();
+    tracing::info!(
+        provider = VECTOR_ENGINE_PROVIDER,
+        endpoint = %url,
+        status,
+        prompt_chars,
+        reference_image_count,
+        elapsed_ms = started_at.elapsed().as_millis() as u64,
+        failure_context,
+        "VectorEngine Raw 图片编辑 HTTP 返回"
+    );
     let body = response.text().await.map_err(|error| {
         request_error(
             &url,
@@ -419,6 +429,19 @@ fn request_error(
     let connect = error.is_connect();
     let source = error.to_string();
     let message = format!("{context}：上游请求失败：{source}");
+    tracing::warn!(
+        provider = VECTOR_ENGINE_PROVIDER,
+        endpoint = %url,
+        failure_stage,
+        timeout,
+        connect,
+        prompt_chars,
+        reference_image_count,
+        elapsed_ms = started_at.elapsed().as_millis() as u64,
+        failure_context = context,
+        error = %source,
+        "VectorEngine Raw 图片编辑请求失败"
+    );
     let audit = build_failure_audit(
         url,
         context,