fix: onfinish responseRes

app/utils/chat.ts

@@ -174,6 +174,7 @@ export function stream(
   let finished = false;
   let running = false;
   let runTools: any[] = [];
+  let responseRes: Response;
 
   // animate response to make it looks smooth
   function animateResponseText() {
@@ -272,7 +273,7 @@ export function stream(
       }
       console.debug("[ChatAPI] end");
       finished = true;
-      options.onFinish(responseText + remainText);
+      options.onFinish(responseText + remainText, responseRes); // 将res传递给onFinish
     }
   };
 
@@ -304,6 +305,7 @@ export function stream(
         clearTimeout(requestTimeoutId);
         const contentType = res.headers.get("content-type");
         console.log("[Request] response content type: ", contentType);
+        responseRes = res;
 
         if (contentType?.startsWith("text/plain")) {
           responseText = await res.clone().text();

app/utils/stream.ts

@@ -19,7 +19,7 @@ type StreamResponse = {
   headers: Record<string, string>;
 };
 
-export function fetch(url: string, options?: RequestInit): Promise<any> {
+export function fetch(url: string, options?: RequestInit): Promise<Response> {
   if (window.__TAURI__) {
     const {
       signal,