runValidationPipeline runs the common validation pipeline for a set of documents.It builds doc headers, runs Pass 1 JSON Schema validation, and (when docs are froma discovery walk) runs Pass 2 graph trace checks.
relaxedVersions, when true, demotes "outdated" version-pin findings fromERROR to WARNING. Predated findings (pin ahead of upstream) stay ERRORbecause they are a data integrity issue, not a process issue.
relaxedFilter, when true, lets the --filter expression referenceattributes that no schema.yaml declares. Attributes actually present on arequirement are always allowed; anything else outside the declared set isreported as a warning instead of aborting the run.