Improve drawing export and foundation quantity views

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

수량산출/docs/full-test-summary.json

@@ -0,0 +1,11 @@
+{
+  "total": 552,
+  "passed": 548,
+  "failed": 4,
+  "existing_failed_files": [
+    "axis.test.ts",
+    "bearing-coordinate-frame.test.ts",
+    "integrated-block.test.ts",
+    "validate-and-foundation.test.ts"
+  ]
+}