* claim: #4922
* UI: let themes own corner radii
* UI: use four-point panel and window radii in SolidCraft 95
* UI: align the 95 radius assertion with four-point panels
* claim: #4953
* UI: let themes own structural and control borders
* UI: single Blueprint outlines and dotted secondary rules
* UI: separate container outlines and add theme-owned 95 bevels
* claim: #5007
* UI: apply theme palettes to icons, workspace tabs and Gruvbox settings
* claim: #5045
* Viewport: invalidate cached geometry colours when the theme palette changes
* UI: preserve legacy theme logo colours with the borderless mark