fix: skip code fences in link checker, fix template link in CONTRIBUTING

Made-with: Cursor

Author: TMHSDigital

CONTRIBUTING.md

@@ -108,7 +108,7 @@ Describe which `homelab_*` MCP tools this skill uses.
 
 ## See Also
 
-- [Related Skill](../pi-system-management/SKILL.md)
+- Related Skill -- link to ../related-skill/SKILL.md
 ```
 
 ### Skill requirements

tests/test_internal_links.py

@@ -17,10 +17,15 @@ def _find_markdown_files():
     return md_files
 
 
+def _strip_code_fences(text):
+    """Remove fenced code blocks so links inside them are not checked."""
+    return re.sub(r"```[\s\S]*?```", "", text)
+
+
 @pytest.mark.parametrize("md_file", _find_markdown_files())
 def test_relative_links_resolve(md_file):
     with open(md_file, "r", encoding="utf-8") as f:
-        text = f.read()
+        text = _strip_code_fences(f.read())
 
     links = re.findall(r"\]\((\.\./[^)]+|\.\/[^)]+)\)", text)
     file_dir = os.path.dirname(md_file)