feat(widgets): add phase 4 validation and accessibility

assets/admin/src/stores/admin-ui.js

@@ -1,40 +0,0 @@
-import { defineStore } from 'pinia'
-import { ref, computed } from 'vue'
-
-/**
- * useAdminUiStore — global UI state for the admin panel.
- *
- * Tracks sidebar collapse, search, and breadcrumb state.
- */
-export const useAdminUiStore = defineStore('admin-ui', () => {
-  /** Sidebar collapsed state */
-  const sidebarCollapsed = ref(false)
-
-  /** Current page search query (for inline page search) */
-  const pageSearch = ref('')
-
-  /** Global notification count (for badge display) */
-  const notificationCount = ref(0)
-
-  /** Whether any form on the current page has unsaved changes */
-  const hasUnsavedChanges = ref(false)
-
-  /** Toggle sidebar */
-  function toggleSidebar() {
-    sidebarCollapsed.value = !sidebarCollapsed.value
-  }
-
-  /** Clear page search */
-  function clearSearch() {
-    pageSearch.value = ''
-  }
-
-  return {
-    sidebarCollapsed,
-    pageSearch,
-    notificationCount,
-    hasUnsavedChanges,
-    toggleSidebar,
-    clearSearch,
-  }
-})