Function query_markdown_text 

pub fn query_markdown_text(
    source: &str,
    source_path: Option<String>,
) -> Result<QueryBundle, QueryError>

Parse in-memory Markdown for the direct mant - command.

This helper intentionally sits outside QueryRequest: public protocol requests reference local files and never embed arbitrary document content.

Errors

Returns QueryError::EmptyMarkdown when parsing yields no visible blocks or sections.