foo.md:3: DOC_LINK_404: Link target does not exist: missing.md
foo.md:5: DOC_LINK_404: Link target does not exist: docs/cmd/nonexistent.md
index.md:3: DOC_DEPRECATED_REF: Should not reference archived doc: archive/old-plan.md
stale.md:3: DOC_STALE_MARKER: Contains stale marker: 部分内容已过时
