From 8dd452d8f4d2481c5b5ec424d8771112978b2bb3 Mon Sep 17 00:00:00 2001
From: umsangdon <umsangdon@gmail.com>
Date: Mon, 14 Sep 2026 17:24:32 +0900
Subject: [PATCH] =?UTF-8?q?fix(b08):=20=EA=B4=80=20=EB=B2=BD=C2=B7?=
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배정 프로젝트: 인계 줄 18(관 유입·유출부 기슭막이) 갈래 값·판정 근거만 바뀜 · 본체 105,512,060 그대로(모두 미확정) · 전체 1928 통과

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01BW6Jdsh18WPtYUR6THZJqn
---
 .../B08_Quantity_Engine_Handoff_Rows.py       |  9 +++
 .../tester/test_b08_back_length_handoff.py    | 66 +++++++++++++++++++
 2 files changed, 75 insertions(+)
 create mode 100644 resources/tester/test_b08_back_length_handoff.py

diff --git a/B08_Quantity/B08_Quantity_Engine_Handoff_Rows.py b/B08_Quantity/B08_Quantity_Engine_Handoff_Rows.py
index 6316ab95..1ad700ef 100644
--- a/B08_Quantity/B08_Quantity_Engine_Handoff_Rows.py
+++ b/B08_Quantity/B08_Quantity_Engine_Handoff_Rows.py
@@ -441,6 +441,15 @@ def _structure_rows(
         # 갈래 축과 **저장 제원 원본값**. 가공하지 않는다.
         variant_axis = str(entry.get("variant_axis") or "") or None
         variant_value = (structure.get("options") or {}).get(variant_axis) if variant_axis else None
+        if variant_axis == "back_len_cm":
+            # 뒷길이만은 **수량표·구조물도가 실제로 쓴 값**과 출처를 싣는다 — 안 고른 벽(관 유입·
+            #   유출부 기슭막이는 늘 빔)도 [주]⑩ 하한으로 물량이 섰는데 갈래만 못 골랐음(09-14).
+            from B08_Quantity.B08_Quantity_Engine_StructureFigure import back_length_cm
+
+            back, default_note = back_length_cm(structure)
+            variant_value = str(back) if variant_value in (None, "") else variant_value
+            used = f"뒷길이 {back}㎝ — {default_note or '저장 제원'}"
+            class_basis = " · ".join(part for part in (class_basis, used) if part)
         secondary_axes = [
             {"axis": axis, "value": (structure.get("options") or {}).get(axis)}
             for axis in entry.get("secondary_axes") or []
diff --git a/resources/tester/test_b08_back_length_handoff.py b/resources/tester/test_b08_back_length_handoff.py
new file mode 100644
index 00000000..6ef22f21
--- /dev/null
+++ b/resources/tester/test_b08_back_length_handoff.py
@@ -0,0 +1,66 @@
+"""관 벽 · 돌쌓기 줄 뒷길이 — 인계가 **B08 이 실제로 쓴 뒷길이 + 출처**를 싣는다(2026-09-14 브레인).
+
+종전: 인계는 저장 원본 `back_len_cm` 만 실어, 안 고른 벽(관 유입·유출부 기슭막이는 늘 빔)은
+`variant_value=None` → B09 가 13-04-02/05 뒷길이 갈래(#35·55·75cm이하)를 못 고름. 그런데 수량표·
+구조물도는 이미 품셈 13-4-4 [주]⑩ 표준표 하한으로 섰음(두께식·고임돌·채움콘크리트가 그 값).
+⇒ 값이 선 그 뒷길이를 갈래 값으로 · 출처(저장 / [주]⑩ 하한)를 판정 근거 칸에.
+"""
+
+from __future__ import annotations
+
+import sys
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[2]
+if str(ROOT) not in sys.path:
+    sys.path.insert(0, str(ROOT))
+
+from B08_Quantity.B08_Quantity_Engine_Handoff import build_handoff  # noqa: E402
+from B08_Quantity.B08_Quantity_Engine_UnitQuantity import build_table as build_unit  # noqa: E402
+
+
+def _row(type_id: str, options: dict) -> dict:
+    unit = build_unit(
+        [
+            {
+                "structure_id": "x",
+                "type_id": type_id,
+                "start_m": 0.0,
+                "end_m": 10.0,
+                "options": options,
+            }
+        ],
+        {type_id: type_id},
+    )
+    handoff = build_handoff(unit_quantity_table=unit)
+    return next(r for r in handoff["work_items"] if r["variant_axis"] == "back_len_cm")
+
+
+def test_안_고른_뒷길이는_표준표_하한을_출처와_함께_보냄() -> None:
+    row = _row("masonry_wet", {"height_m": 1.5, "length_m": 10.0})
+    assert row["variant_value"] == "25", row  # 찰쌓기 ≤1.5m 하한 25㎝
+    assert "뒷길이 25㎝" in row["spec_class_basis"] and "[주]⑩" in row["spec_class_basis"]
+
+
+def test_고른_뒷길이는_원본값_그대로_출처는_저장_제원() -> None:
+    row = _row("masonry_wet", {"height_m": 1.5, "length_m": 10.0, "back_len_cm": "45"})
+    assert row["variant_value"] == "45"
+    assert "[주]⑩" not in row["spec_class_basis"] and "저장 제원" in row["spec_class_basis"]
+
+
+def test_기슭막이_메쌓기도_하한으로_갈래가_서서_내역_금액이_섬() -> None:
+    from B09_Estimation.B09_Estimation_BillOfQuantities import build_bill
+
+    options = {"height_m": 2.5, "length_m": 10.0, "form": "돌쌓기(메)"}
+    row = _row("revetment", options)
+    assert row["variant_value"] == "45", row  # 메쌓기 ~3m 하한 36 → 규격 45
+    assert row["work_item_code"] == "FP-13-04-02" and not row["blocked_kind"], row
+    unit = build_unit(
+        [{"structure_id": "x", "type_id": "revetment", "start_m": 0.0, "end_m": 10.0,
+          "options": options}],
+        {"revetment": "revetment"},
+    )  # fmt: skip
+    bill = build_bill(build_handoff(unit_quantity_table=unit))
+    line = next(r for r in bill.rows if r.code == "FP-13-04-02")
+    assert line.amount_krw and int(line.amount_krw) > 0, line.note
+    assert line.price_code.endswith("#55cm이하"), line.price_code  # 45㎝ 를 담는 가장 좁은 구간