style(frontend): apply ultracite 7.12 formatting and lint rules

frontend/src/lib/format/datetime.ts

@@ -8,10 +8,10 @@ const day = new Intl.DateTimeFormat(undefined, {
 });
 const full = new Intl.DateTimeFormat(undefined, {
   day: "numeric",
-  month: "short",
-  year: "numeric",
   hour: "2-digit",
   minute: "2-digit",
+  month: "short",
+  year: "numeric",
 });
 
 export function formatTime(iso: string): string {

frontend/src/lib/format/entities.ts

@@ -36,9 +36,9 @@ function buildNodes(
       next += 1;
     }
     nodes.push({
-      kind: "entity",
-      entity,
       children: buildNodes(text, nested, entity.offset, entityEnd),
+      entity,
+      kind: "entity",
     });
     cursor = entityEnd;
     i = next;

frontend/src/lib/format/media.ts

@@ -1,20 +1,20 @@
 const MEDIA_KIND_LABELS: Record<string, string> = {
-  photo: "Фото",
-  video: "Видео",
   animation: "GIF",
-  gif: "GIF",
-  voice: "Голосовое",
   audio: "Аудио",
-  video_note: "Кружок",
-  sticker: "Стикер",
-  document: "Файл",
   contact: "Контакт",
-  location: "Геопозиция",
-  venue: "Геопозиция",
-  poll: "Опрос",
   dice: "Кубик",
+  document: "Файл",
   game: "Игра",
+  gif: "GIF",
+  location: "Геопозиция",
+  photo: "Фото",
+  poll: "Опрос",
+  sticker: "Стикер",
   story: "Сторис",
+  venue: "Геопозиция",
+  video: "Видео",
+  video_note: "Кружок",
+  voice: "Голосовое",
 };
 
 export function mediaKindLabel(kind: string | null): string | null {
@@ -35,7 +35,7 @@ export function formatBytes(bytes: number | null): string {
   let unit = 0;
   while (value >= BYTE_STEP && unit < BYTE_UNITS.length - 1) {
     value /= BYTE_STEP;
-    unit++;
+    unit += 1;
   }
   const rounded =
     value >= 10 || unit === 0 ? Math.round(value) : value.toFixed(1);

frontend/src/lib/format/peer.ts

@@ -38,7 +38,7 @@ export function initials(name: string): string {
   if (words.length === 0) {
     return "?";
   }
-  const first = words[0][0];
+  const first = words[0].charAt(0);
   if (words.length === 1) {
     return first.toUpperCase();
   }