refactor(frontend): os.select, MkSelectのitem指定をオブジェクトによる定義に統一し、型を狭める (#16475)

* refactor(frontend): MkSelectのitem指定をオブジェクトによる定義に統一

* fix

* spdx

* fix

* fix os.select

* fix lint

* add comment

* fix

* fix: os.select対応漏れを修正

* fix

* fix

* fix: MkSelectのmodelに対する型チェックを厳格化

* fix

* fix

* fix

* Update packages/frontend/src/components/MkEmbedCodeGenDialog.vue

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

* fix

* fix types

* fix

* fix

* Update packages/frontend/src/pages/admin/roles.editor.vue

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

* fix: MkSelectに直接配列を指定している場合に正常に型が解決されるように

---------

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

packages/frontend/src/pages/flash/flash-edit.vue

@@ -10,11 +10,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<MkInput v-model="title">
 				<template #label>{{ i18n.ts._play.title }}</template>
 			</MkInput>
-			<MkSelect v-model="visibility">
+			<MkSelect v-model="visibility" :items="visibilityDef">
 				<template #label>{{ i18n.ts.visibility }}</template>
 				<template #caption>{{ i18n.ts._play.visibilityDescription }}</template>
-				<option :key="'public'" :value="'public'">{{ i18n.ts.public }}</option>
-				<option :key="'private'" :value="'private'">{{ i18n.ts.private }}</option>
 			</MkSelect>
 			<MkTextarea v-model="summary" :mfmAutocomplete="true" :mfmPreview="true">
 				<template #label>{{ i18n.ts._play.summary }}</template>
@@ -52,6 +50,7 @@ import MkTextarea from '@/components/MkTextarea.vue';
 import MkCodeEditor from '@/components/MkCodeEditor.vue';
 import MkInput from '@/components/MkInput.vue';
 import MkSelect from '@/components/MkSelect.vue';
+import { useMkSelect } from '@/composables/use-mkselect.js';
 import { useRouter } from '@/router.js';
 
 const PRESET_DEFAULT = `/// @ ${AISCRIPT_VERSION}
@@ -384,7 +383,16 @@ if (props.id) {
 const title = ref(flash.value?.title ?? 'New Play');
 const summary = ref(flash.value?.summary ?? '');
 const permissions = ref([]); // not implemented yet
-const visibility = ref<'private' | 'public'>(flash.value?.visibility ?? 'public');
+const {
+	model: visibility,
+	def: visibilityDef,
+} = useMkSelect({
+	items: [
+		{ label: i18n.ts.public, value: 'public' },
+		{ label: i18n.ts.private, value: 'private' },
+	],
+	initialValue: flash.value?.visibility ?? 'public',
+});
 const script = ref(flash.value?.script ?? PRESET_DEFAULT);
 
 function selectPreset(ev: MouseEvent) {