feat: add DXF inventory script for main-line (본선) drawings

Scans 21 main-line DXF files (02 평면·종단, 03 본선굴착, 04 본선기타) for
header, layers, entity counts, extents, 3D flag and text samples. Strict
load failures fall back to ezdxf recover mode and are recorded.

Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01A5Cun3RHQKna9qxE6ybZ4A
This commit is contained in:
Claude committed 2026-10-20 23:25:05 +00:00
commit cc381b9d50
3 files changed
+1618

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