refactor: migrate legacy wire namespace to wrn

docs/superpowers/specs/2026-08-08-layout-components-design.md

@@ -10,7 +10,7 @@ Two problems, in different proportions to the navigation group.
 **Three components advertise behaviour they do not have.**
 
 `LayoutSplitter` is the worst component in the library. It declares
-`resizeStart`, `resize` and `resizeEnd`, so a caller reasonably wires up
+`resizeStart`, `resize` and `resizeEnd`, so a caller reasonably connects up
 `@resize` and receives nothing, forever, with no error. It has no pointer
 handling at all, and its props are `columns`, `gap` and `maxWidth`, copied
 wholesale from a grid scaffold. `CustomScrollbar` is the same shape: a
@@ -22,9 +22,9 @@ genuinely does not need more. It is thin, not dishonest.
 **Most of the group is built on Tailwind utilities.**
 
 Seven of the ten use utility classes and `class:` conditionals rather than
-`wire-*` classes and a local style block. They are theme-aware, because the
+`wrn-*` classes and a local style block. They are theme-aware, because the
 utilities carry arbitrary values bound to tokens
-(`bg-[var(--wire-color-surface-soft)]`), but they depend on Tailwind being
+(`bg-[var(--wrn-color-surface-soft)]`), but they depend on Tailwind being
 present and produce a class explosion. `SectionHeader` has 38 such lines.
 
 A correction that shaped this survey: when Tabs was rewritten it was described
@@ -50,7 +50,7 @@ audit rather than a rewrite.
 
 ### Styling
 
-Every component in scope moves to `wire-*` classes with a local `style {}`
+Every component in scope moves to `wrn-*` classes with a local `style {}`
 block and `data-*` attributes for variants, matching PageHeader, DataTable,
 Toaster and the navigation group.
 
@@ -95,7 +95,7 @@ something: `axis`, `thickness`, `thumb`, `track`, `maxHeight`.
 
 ### Kbd
 
-Left as it is, beyond the `wire-*` migration. It is thin because a `<kbd>`
+Left as it is, beyond the `wrn-*` migration. It is thin because a `<kbd>`
 is thin.
 
 ### Runtime budget