Improve drawing export and foundation quantity views

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

수량산출/docs/package-verification.json

@@ -0,0 +1,30 @@
+{
+  "sheets": 13,
+  "protected_parts_byte_identical": 57,
+  "active_pier_formulas_total": 121,
+  "active_pier_formulas_unchanged": 119,
+  "straight_limit_formulas": [
+    "W50",
+    "W58"
+  ],
+  "merges_print_settings_column_widths_preserved": true,
+  "cached_excel_errors": [],
+  "unused_pier_quantities_blank": true,
+  "template_sha256": "1c5d935a134523a5dc3a292cfc01bf4190b9bc538313322b33add6926e21c90f",
+  "model_linked_values": {
+    "N18": 43.411,
+    "N19": 28.931,
+    "N24": 12.5,
+    "N25": 3.5,
+    "N31": 2,
+    "N32": 26.208,
+    "N33": 10.4,
+    "N34": 8.15,
+    "N35": 2,
+    "N36": 0.6096,
+    "N38": 24.4,
+    "N39": 20,
+    "N42": 10
+  },
+  "native_excel_recalculation": "not_verified: Excel COM rejected calls after initialization; artifact recalculation and original cached-result comparison used"
+}