fix(queue): harden resume failure and legacy controls

src-tauri/src/ipc.rs

@@ -420,6 +420,15 @@ impl DownloadStateEvent {
         }
     }
 
+    pub fn paused_with_error(id: impl Into<String>, error: impl Into<String>) -> Self {
+        Self {
+            id: id.into(),
+            status: DownloadStatus::Paused.as_str().to_string(),
+            error: Some(error.into()),
+            file_name: None,
+        }
+    }
+
     pub fn completed_with_file(id: impl Into<String>, file_name: impl Into<String>) -> Self {
         Self {
             id: id.into(),

src-tauri/src/lib.rs

@@ -4701,9 +4701,9 @@ async fn resume_download(
                             );
                             let _ = app_handle_clone.emit(
                                 "download-state",
-                                crate::ipc::DownloadStateEvent::new(
+                                crate::ipc::DownloadStateEvent::paused_with_error(
                                     &id_clone,
-                                    crate::ipc::DownloadStatus::Paused,
+                                    unpause_error,
                                 ),
                             );
                             return;