Allows setting TITLE and SUBTITLE paragraph styles directly, in addition
to the existing heading_level (0-6) parameter. The new named_style_type
parameter accepts all Google Docs named styles: NORMAL_TEXT, TITLE,
SUBTITLE, HEADING_1 through HEADING_6.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Allow negative indent_first_line values for hanging indents (Google
Docs API supports this)
- Add update_paragraph_style to get_validation_summary() for consistency
