Keep inherited complex-script size, bold and italic independent from Latin
properties and retain explicit values during DOCX round trips. Preserve
ordinary formatting-command behavior and add regression coverage.
Resolve eight existing Clippy warnings without changing behavior so all
six required CI gates pass.
Co-authored-by: ChatGPT <noreply@openai.com>
Co-authored-by: Brandon Thomas <echelon@gmail.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>