diff --git a/auth/oauth.py b/auth/oauth.py
index e4e5da89..5f778586 100644
--- a/auth/oauth.py
+++ b/auth/oauth.py
@@ -965,6 +965,13 @@ async def oauth_callback_http(request: Request) -> JSONResponse | RedirectRespon
         logger.info(f"✅ OAuth: токен передан в URL для user_id={author.id}")
         logger.info(f"🔗 Final redirect URL: {final_redirect_url}")
 
+        # 🔍 Дополнительная диагностика редиректа
+        logger.info("🔍 RedirectResponse details:")
+        logger.info("   - Status code: 307")
+        logger.info(f"   - Location header: {final_redirect_url}")
+        logger.info(f"   - URL length: {len(final_redirect_url)}")
+        logger.info(f"   - Contains token: {'access_token=' in final_redirect_url}")
+
         logger.info(f"✅ OAuth успешно завершен для {provider}, user_id={author.id}")
         return response