✨ feat(default): redesign dashboard overview

Refresh the overview page with an actionable Get Started guide, live API request details, real usage sparklines, and OpenAI-inspired dashboard panels. Add collapsible setup state, role-aware quick actions, and localized copy so returning users can focus on platform health.

web/default/src/features/system-settings/site/section-registry.tsx

@@ -1,5 +1,4 @@
-import type { SiteSettings } from '../types'
-import { createSectionRegistry } from '../utils/section-registry'
+import { SystemInfoSection } from '../general/system-info-section'
 import {
   parseHeaderNavModules,
   parseSidebarModulesAdmin,
@@ -9,7 +8,8 @@ import {
 import { HeaderNavigationSection } from '../maintenance/header-navigation-section'
 import { NoticeSection } from '../maintenance/notice-section'
 import { SidebarModulesSection } from '../maintenance/sidebar-modules-section'
-import { SystemInfoSection } from '../general/system-info-section'
+import type { SiteSettings } from '../types'
+import { createSectionRegistry } from '../utils/section-registry'
 
 const SITE_SECTIONS = [
   {