feat(downloads): add live aria2 speed limits

src-tauri/src/lib.rs

@@ -5687,6 +5687,18 @@ async fn set_concurrent_limit(
     Ok(())
 }
 
+#[tauri::command]
+async fn set_download_speed_limit(
+    state: tauri::State<'_, AppState>,
+    id: String,
+    limit: Option<String>,
+) -> Result<(), String> {
+    state
+        .queue_manager
+        .set_aria2_download_speed_limit(&id, limit)
+        .await
+}
+
 pub(crate) fn normalize_speed_limit_for_aria2(limit: &str) -> Option<String> {
     let trimmed = limit.trim();
     if trimmed.is_empty() {
@@ -9315,7 +9327,7 @@ pub fn run() {
             authorize_keychain_access,
             acknowledge_pairing_token_change,
             check_file_exists, toggle_tray_icon, set_extension_pairing_token,
-            get_extension_server_port, set_extension_frontend_ready, ack_extension_download, set_concurrent_limit, set_global_speed_limit, remove_download,
+            get_extension_server_port, set_extension_frontend_ready, ack_extension_download, set_concurrent_limit, set_download_speed_limit, set_global_speed_limit, remove_download,
             detach_download_for_reconfigure,
             enqueue_download, enqueue_many, cancel_enqueue_generation, move_in_queue, move_many_in_queue, remove_from_queue, get_pending_order,
             commands::reveal_in_file_manager, commands::open_downloaded_file,