refactor(M02): 도면 기본 양식을 resources/master_template/drawing/ 으로 옮김 · 읽는 자리 고침 (PLAN 10-0 · 10-3)

- resources/template_2dDrawing → resources/master_template/drawing (안 쓰는 01_template_Longitudinal 둘 포함)
- B07 도각 엔진 _TEMPLATE_DIR · 도각 편집 주석 · 표지 시험 경로

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PxvYb5ufV1kWdBvZbpDfu6

resources/tester/test_cover_template.py

@@ -12,7 +12,7 @@ import pytest
 from B07_DesignDetail.B07_DesignDetail_Engine_Cad import DRAWING_FORMAT, FRAME_LAYER_ID
 from B07_DesignDetail.B07_DesignDetail_Engine_Cad_Cover import build_cover_drawing
 
-TEMPLATE = Path("resources/template_2dDrawing/00_template_cover.json")
+TEMPLATE = Path("resources/master_template/drawing/00_template_cover.json")
 
 # A1 도각 템플릿과 같은 재단 표식 원점 — 두 도면이 같은 종이 좌표계를 써야 한다.
 PAPER = (-5.05, -5.04, 834.95, 588.96)
@@ -62,9 +62,7 @@ def test_도면은_잠금_도각_레이어로_나온다():
     assert {e["layerId"] for e in drawing["entities"]} == {FRAME_LAYER_ID}
     layers = {layer["id"]: layer for layer in drawing["layers"]}
     assert layers[FRAME_LAYER_ID]["isLocked"] is True
-    assert any(not layer["isLocked"] for layer in drawing["layers"]), (
-        "덧그릴 비잠금 도면층이 없다"
-    )
+    assert any(not layer["isLocked"] for layer in drawing["layers"]), "덧그릴 비잠금 도면층이 없다"
 
 
 @pytest.mark.parametrize(