Merge remote-tracking branch 'origin/dev' into sub_laptop_6

B09_Estimation/B09_Estimation_Router.py

@@ -248,8 +248,12 @@ async def save_estimation(project_id: UUID, body: dict[str, Any] = Body(...)) ->
 
 @router.post("/{project_id}/estimation/complete")
 async def estimation_complete(project_id: UUID) -> dict[str, Any]:
-    """B09 [>] — 단계 6 완료(요구 300 B1)."""
-    await _project_root(project_id)  # 없는 프로젝트는 404
+    """B09 [>] — 단계 6 완료(요구 300 B1) · 빈 줄 있으면 409(701-3 확정 = 빈 줄 0 · 서버 정본으로 셈)."""
+    root = await _project_root(project_id)  # 없는 프로젝트는 404
+    sheets = (await payload(project_id, root))["sheets"]
+    blank = (((sheets.get("bill") or {}).get("totals") or {}).get("direct") or {}).get("blank")
+    if blank:
+        raise HTTPException(409, f"빈 줄 {blank} · 미완성 — 확정은 빈 줄 0 일 때만")
     await mark_stage(str(project_id), 6, "next")
     return {"status": "success", "project_id": str(project_id)}