feat(485-1 B07 축척): 도면 X · Y 축척 서버 — 프로젝트마다 drawing_scales.json · GET/PUT /api/projects/{id}/drawing-scales · 엔진 drawing_scale(kind) 문맥 변수 · 종단 · 횡단(X ≠ Y) · 토적 · 전개도 · 바뀐 종류 저장본 풂 · 덧그림 mm_per_m_x · _y · 범위 밖 400 · 시험 test_280_5

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

B07_DesignDetail/B07_DesignDetail_Engine_Cad_Development_Draw.py

@@ -30,6 +30,7 @@ from B07_DesignDetail.B07_DesignDetail_Engine_Cad import (
 from B07_DesignDetail.B07_DesignDetail_Engine_Cad_Development import station_text, table_rows
 from B07_DesignDetail.B07_DesignDetail_Engine_Template import (
     drawing_area,
+    drawing_scale,
     frame_entities,
     scale_fields,
 )
@@ -201,7 +202,10 @@ def fill_entities(seed: str, form: str, group: str, box: tuple[float, float, flo
 
 
 def _vertical(rows: list[dict[str, Any]], mm_h: float) -> float:
-    """세로 mm/m — 가로와 같게 두되 가장 높은 박스가 12~40 mm 안에 들게."""
+    """세로 mm/m — 가로와 같게 두되 가장 높은 박스가 12~40 mm 안에 들게 · 정했으면 그 값(485)."""
+    fixed = drawing_scale("development")["y"]
+    if fixed:
+        return 1000.0 / fixed
     tallest = max((r["height_m"] for r in rows if r["height_m"]), default=None)
     if not tallest:
         return _MIN_H
@@ -239,7 +243,12 @@ def layout(rows, area, table_box, mm_h, strict=True):
 
 
 def _choose(rows, area, table_box):
-    """처음 드는 축척 — 끝까지 안 들면 가장 작은 축척으로 그대로(도각이 넘침 경고)."""
+    """처음 드는 축척 — 끝까지 안 들면 가장 작은 축척으로 그대로(도각이 넘침 경고).
+
+    가로 축척을 정했으면(485) 그 값 하나만 — 넘쳐도 그대로."""
+    fixed = drawing_scale("development")["x"]
+    if fixed:
+        return fixed, layout(rows, area, table_box, 1000.0 / fixed, strict=False)
     for denominator in SCALES:
         placed = layout(rows, area, table_box, 1000.0 / denominator)
         if placed is not None:
@@ -366,6 +375,18 @@ def build_development_drawing(
     table_w, table_h = sum(_COLUMNS), _ROW_H * (len(lines) + 3)
     table_box = (ax1 - _MARGIN - table_w, ay0 + _MARGIN, ax1 - _MARGIN, ay0 + _MARGIN + table_h)
     denominator, placed = _choose(rows, area, table_box)
+    vertical = drawing_scale("development")["y"]
+    # 세로를 정했고 가로와 다르면 이름표(H · V) — 자동 세로는 지금처럼 가로만(485)
+    scales = (
+        (("H", denominator), ("V", vertical))
+        if vertical and vertical != denominator
+        else (("", denominator),)
+    )
+    scale_text = (
+        f"H=1:{denominator:,}  V=1:{vertical:,}"
+        if vertical and vertical != denominator
+        else f"S=1:{denominator:,}"
+    )
 
     def station(chainage: float) -> str:
         return station_text(chainage, interval_m)
@@ -382,7 +403,7 @@ def build_development_drawing(
         ),
         _text_entity(
             f"{drawing_id}:scale",
-            f"S=1:{denominator:,}",
+            scale_text,
             ax1 - _MARGIN,
             ay1 - 14.0,
             LABEL_LAYER_ID,
@@ -425,7 +446,7 @@ def build_development_drawing(
         area,
         fit=False,
         bottom_left=True,
-        fields={"도면명": title, **scale_fields(("", denominator))},
+        fields={"도면명": title, **scale_fields(*scales)},
     )
     return {
         "format": DRAWING_FORMAT,