Safe DOCX posture
w:tblW preferred-width consistency
w:tblW is always emitted in dxa units as the sum of the declared grid
column widths, so the preferred table width and the grid never disagree —
readers that honor one or the other render the same layout.
Schema declarations
Bounded evidence
No bounded source, test, or formal-evidence path is attached to this section entry. That absence is preserved rather than inferred away.