diff --git a/B04_PreProcess/B04_PreProcess_Router.py b/B04_PreProcess/B04_PreProcess_Router.py
index c4e6ad6a..6de4818d 100644
--- a/B04_PreProcess/B04_PreProcess_Router.py
+++ b/B04_PreProcess/B04_PreProcess_Router.py
@@ -29,8 +29,22 @@ from B04_PreProcess.B04_PreProcess_Repository import (
     list_surface_models,
     save_surface_analysis_to_db,
 )
+
+# 700줄 분리로 옮긴 이름을 **진입 파일에서 그대로 다시 노출**한다 — 옛 경로를 보던
+# 호출부·테스트가 그대로 동작하게 하려는 것(2026-09-04, laptop-main 사례로 확인).
 from B04_PreProcess.B04_PreProcess_Router_Progress import (
-    write_surface_progress,
+    PROGRESS_FILE_RELATIVE as PROGRESS_FILE_RELATIVE,
+)
+from B04_PreProcess.B04_PreProcess_Router_Progress import _progress_file_path as _progress_file_path
+from B04_PreProcess.B04_PreProcess_Router_Progress import (
+    read_surface_progress as read_surface_progress,
+)
+from B04_PreProcess.B04_PreProcess_Router_Progress import write_surface_progress
+from B04_PreProcess.B04_PreProcess_Router_Status import (
+    get_surface_model_preview as get_surface_model_preview,
+)
+from B04_PreProcess.B04_PreProcess_Router_Status import (
+    get_wf1_analysis_status as get_wf1_analysis_status,
 )
 from B04_PreProcess.B04_PreProcess_Router_Status import router as status_router
 from B04_PreProcess.B04_PreProcess_Schema import (