后端重写提交

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

@@ -6,10 +6,10 @@ use axum::{
     middleware::Next,
     response::Response,
 };
+use shared_contracts::api::API_RESPONSE_ENVELOPE_HEADER;
 use uuid::Uuid;
 
-pub const API_RESPONSE_ENVELOPE_HEADER: &str = "x-genarrative-response-envelope";
-pub const X_REQUEST_ID_HEADER: &str = "x-request-id";
+pub use shared_contracts::api::X_REQUEST_ID_HEADER;
 
 // 当前阶段先把请求级元信息统一挂到 extensions，后续响应头、envelope 与错误处理中间件继续复用。
 #[derive(Clone, Debug)]