offline mode fixes

src-tauri/src/commands/catalog.rs

@@ -271,6 +271,21 @@ pub async fn resume_queued_downloads(
         (Arc::new(database.service()), target_dir)
     };
 
+    // Recover stale downloads: rows left in 'downloading' when the app was killed
+    // mid-transfer are orphaned — nothing ever restarts them, so they show as
+    // permanently "downloading". Reset them to 'pending' and clear the stale
+    // stream_url so they get re-resolved and restarted from scratch below.
+    let recover_query = Query::new(
+        "UPDATE downloads SET status = 'pending', stream_url = NULL, progress = 0, \
+         bytes_downloaded = 0, started_at = NULL \
+         WHERE status = 'downloading'",
+    );
+    match db_service.execute(recover_query).await {
+        Ok(n) if n > 0 => info!("[Catalog] Reset {} stale 'downloading' rows to pending", n),
+        Ok(_) => {}
+        Err(e) => warn!("[Catalog] Failed to reset stale downloads: {}", e),
+    }
+
     // Resolve each row's URL against the (now reachable) repository.
     let repo_for_resolve = Arc::clone(&repo);
     let outcome = resolve_pending_download_urls(