feat: integrate latest HMDesign design system updates

packages/ui/src/theme/runtime.ts

@@ -42,8 +42,13 @@ export function isRuntimeTheme(theme: unknown): theme is import("./contract").Ru
 /** Atomic validation. Invalid documents release the previous override to host/default. */
 export function applyRuntimeTheme(root: HTMLElement, theme: unknown): boolean {
   if (!isRuntimeTheme(theme)) { resetRuntimeTheme(root); return false }
-  const values = Object.entries(theme.tokens).map(([key, value]) =>
+  const values: (readonly [string, string])[] = Object.entries(theme.tokens).map(([key, value]) =>
     [runtimeThemeContract[key as RuntimeThemeToken].property, value!] as const)
+  // Reviewed Gray default comes from the existing palette. Retain custom cancel
+  // overrides without changing the public token or the full Default preset.
+  const cancel = theme.tokens["color.action.cancel"]
+  if (cancel && cancel.toLowerCase() !== runtimeThemeContract["color.action.cancel"].defaultValue)
+    values.push(["--hm-button-cancel-runtime-ink", cancel])
   resetRuntimeTheme(root)
   const scope = root.getAttribute("data-hm-theme")
   const properties = values.map(([property]) => ({