feat(userbot,api,frontend): backfill stories and unbreak all-stories list

frontend/src/lib/components/jobs/JobList.svelte

@@ -16,6 +16,7 @@
 
   const KIND_LABELS: Record<string, string> = {
     backfill: "Бэкфилл",
+    backfill_stories: "Бэкфилл сторис",
     fetch_media: "Докачка медиа",
     fetch_avatar: "Аватар",
     fetch_custom_emoji: "Кастом-эмодзи",
@@ -88,12 +89,12 @@
   }
 
   function processed(job: JobView): number | null {
-    const value = job.progress.processed;
+    const value = job.progress.processed ?? job.progress.saved;
     return typeof value === "number" ? value : null;
   }
 
   function chatId(job: JobView): number | null {
-    const value = job.params.chat_id;
+    const value = job.params.chat_id ?? job.params.peer_id;
     return typeof value === "number" ? value : null;
   }