ReadonlysourceRepo-relative path of the English source Markdown that was written.
ReadonlyrunRepo-relative path of the article.md written directly into the
analysis run directory — canonical Markdown source that lives alongside
the artifacts that produced it (riksdagsmonitor pattern).
ReadonlywrittenFilenames written under outDir, relative to outDir.
ReadonlyaggregatedMetadata from aggregateAnalysisRun.
Result summary returned by generateArticle.