started model tests

src/personal_mcp/skills/document_loader.py

@@ -80,15 +80,6 @@ def _validate_prompt_frontmatter(raw: dict[str, Any], *, prompt_dir_name: str) -
     return model
 
 
-def _normalize_docs_path(path: str) -> str:
-    normalized = PurePosixPath(path)
-    if normalized.is_absolute() or ".." in normalized.parts:
-        raise ValueError("path must be a normalized docs-relative path")
-    if normalized.suffix.lower() != ".md":
-        raise ValueError("path must point to a markdown file")
-    return normalized.as_posix()
-
-
 def _title_from_reference_filename(filename: str) -> str:
     stem = PurePosixPath(filename).stem
     normalized = stem.replace("-", " ").replace("_", " ").split()