Hydrate Telegram avatars on demand in frontend API

frontend/server/graphql/schema.ts

@@ -123,9 +123,11 @@ function resolveContactMessageAudioUrl(message: {
 function resolveContactAvatarUrl(contact: {
   id: string;
   avatarUrl: string | null;
-}) {
+}, hasTelegramChannel: boolean) {
   const raw = String(contact.avatarUrl ?? "").trim();
-  if (!raw) return "";
+  if (!raw) {
+    return hasTelegramChannel ? `/api/omni/telegram/avatar?contactId=${encodeURIComponent(contact.id)}` : "";
+  }
   if (raw.startsWith(TELEGRAM_AUDIO_FILE_MARKER)) {
     return `/api/omni/telegram/avatar?contactId=${encodeURIComponent(contact.id)}`;
   }
@@ -493,11 +495,13 @@ async function getContacts(auth: AuthContext | null) {
       if (total === 0) return true;
       return (visibleInboxesByContactId.get(c.id) ?? 0) > 0;
     })
-    .map((c) => ({
+    .map((c) => {
+      const channels = Array.from(channelsByContactId.get(c.id) ?? []);
+      return {
       id: c.id,
       name: c.name,
-      avatar: resolveContactAvatarUrl(c),
-      channels: Array.from(channelsByContactId.get(c.id) ?? []),
+      avatar: resolveContactAvatarUrl(c, channels.includes("Telegram")),
+      channels,
       lastContactAt: c.messages[0]?.occurredAt?.toISOString?.() ?? c.updatedAt.toISOString(),
       lastMessageText: c.messages[0]?.content ?? "",
       lastMessageChannel: c.messages[0]?.channel ? mapChannel(c.messages[0].channel) : "",
@@ -505,7 +509,8 @@ async function getContacts(auth: AuthContext | null) {
         ? (!readAtByContactId.has(c.id) || c.messages[0].occurredAt > readAtByContactId.get(c.id)!)
         : false,
       description: c.note?.content ?? "",
-    }));
+    };
+    });
 }
 
 async function getCommunications(auth: AuthContext | null) {