V13-FE-005: restore direct UI components and harden grid provider

frontend/src/shared/ui/components/KsCheckbox.vue

@@ -1,11 +1,10 @@
 <script setup lang="ts">
 import { computed, useId } from 'vue'
-import { useUiAdapter } from '../adapter/useUiAdapter'
+import Checkbox from 'primevue/checkbox'
 const props = defineProps<{ modelValue: boolean; label: string; inputId?: string; disabled?: boolean }>()
 const emit = defineEmits<{ 'update:modelValue': [value: boolean] }>()
-const adapter = useUiAdapter()
 const generatedId = useId()
 const resolvedId = computed(() => props.inputId ?? `ks-check-${generatedId}`)
 </script>
-<template><label class="ks-check" :for="resolvedId"><component :is="adapter.components.Checkbox" :input-id="resolvedId" :model-value="modelValue" :disabled="disabled" @update:model-value="emit('update:modelValue', $event)" /><span>{{ label }}</span></label></template>
+<template><label class="ks-check" :for="resolvedId"><Checkbox class="ks-checkbox" :input-id="resolvedId" :model-value="modelValue" binary :disabled="disabled" @update:model-value="emit('update:modelValue', Boolean($event))" /><span>{{ label }}</span></label></template>
 <style scoped>.ks-check { display: inline-flex; align-items: center; gap: var(--ks-space-2); cursor: pointer; }</style>