enhance(frontend): お気に入りチャンネルをキャッシュするように (#13881)

packages/frontend/src/pages/channel.vue

@@ -83,6 +83,7 @@ import { definePageMetadata } from '@/scripts/page-metadata.js';
 import { deviceKind } from '@/scripts/device-kind.js';
 import MkNotes from '@/components/MkNotes.vue';
 import { url } from '@/config.js';
+import { favoritedChannelsCache } from '@/cache.js';
 import MkButton from '@/components/MkButton.vue';
 import MkInput from '@/components/MkInput.vue';
 import { defaultStore } from '@/store.js';
@@ -153,6 +154,7 @@ function favorite() {
 		channelId: channel.value.id,
 	}).then(() => {
 		favorited.value = true;
+		favoritedChannelsCache.delete();
 	});
 }
 
@@ -168,6 +170,7 @@ async function unfavorite() {
 		channelId: channel.value.id,
 	}).then(() => {
 		favorited.value = false;
+		favoritedChannelsCache.delete();
 	});
 }