refactor: extract platform image provider

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

@@ -113,6 +113,7 @@ fn resolve_http_error(status_code: StatusCode) -> (&'static str, &'static str) {
         StatusCode::NOT_IMPLEMENTED => ("NOT_IMPLEMENTED", "功能暂未实现"),
         StatusCode::CONFLICT => ("CONFLICT", "请求冲突"),
         StatusCode::TOO_MANY_REQUESTS => ("TOO_MANY_REQUESTS", "请求过于频繁"),
+        StatusCode::GATEWAY_TIMEOUT => ("GATEWAY_TIMEOUT", "上游服务请求超时"),
         StatusCode::BAD_GATEWAY => ("UPSTREAM_ERROR", "上游服务请求失败"),
         StatusCode::SERVICE_UNAVAILABLE => ("SERVICE_UNAVAILABLE", "服务暂不可用"),
         _ if status_code.is_client_error() => ("BAD_REQUEST", "请求参数不合法"),