CSV schema audit before import

Check one non-sensitive CSV for encoding, delimiter, header and row-shape defects without changing the source.

Verified boundaries

One file, maximum 10 MB and 25,000 rows. No sensitive data, fuzzy identity matching, ambiguous merging, or third-party acceptance guarantee. Source evidence is preserved and exceptions require review.

What to check

A structural audit checks encoding, delimiter consistency, header presence, duplicate header names, and whether records have the expected field count.

Safe next step

Define expected headers if known. Unknown business rules remain explicit exceptions and are never inferred.

Capability lineage: CAP-STRUCTURED-QUALITY-REPORT-v1

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