v0.4.0

Changelog

• 96a7ebc deprecated func
• b840943 show tx on begin
• 931893a Add theme-docs consistency gate (ialt.4)
• 730eb06 Trim 25 vestigial ThemeConfig fields (ialt.3)
• 45b1568 Wire TableHeaderFg into grid header, SGR outermost (ialt.2)
• b80cf9d Wire ErrorFg/WarningFg/SuccessFg into status badge + toast (ialt.1)
• def757f theming updates
• ade1840 improved feature showcases
• 4faf255 improve completion engine suggestions
• 6e72fd8 fix cheatsheet missing modes
• 41b133e cheatsheet rework to tabbed component