feat(master_data): 건설품셈 건축 11장 로직 19개 — 칠공사

- 천장 20% 가산 · 비계 사용 높이 할증(11-1-1 표 · 19층 이상 매 3층 4%) · 공구손료 및 잡재료비 덧줄
- 석재도료칠 고소작업차

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01V1MKKZKpUHTPKb513FneU8
This commit is contained in:
2026-09-19 19:12:37 +09:00
co-authored by Claude Opus 5
parent b168ef2c51
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