chore: Issue closure 125 cleanup

capabilities/markitect-content/tests/fixtures/content_test_files/tailmatter_only.md

@@ -0,0 +1,19 @@
+# Tailmatter Only Document
+
+This document only has tailmatter, no frontmatter. The content should be extracted without the tailmatter block.
+
+This is a test paragraph. It contains exactly ten words for counting purposes.
+
+Another paragraph for testing content extraction with tailmatter present but no frontmatter.
+
+---
+
+```yaml tailmatter
+qa_checklist:
+  - requirement: "Document structure validated"
+    complete: true
+
+editorial:
+  status: "Draft"
+  reviewer: "test.reviewer"
+```