feat(torrents): add aggregate upload limit control

src-tauri/src/settings.rs

@@ -475,6 +475,10 @@ fn validate_settings(settings: &mut PersistedSettings) {
     settings.max_concurrent_downloads = settings.max_concurrent_downloads.min(12);
     settings.per_server_connections = settings.per_server_connections.clamp(1, 16);
     settings.max_automatic_retries = settings.max_automatic_retries.clamp(0, 10);
+    settings.torrent_overall_upload_limit = crate::normalize_speed_limit_for_aria2(
+        &settings.torrent_overall_upload_limit,
+    )
+    .unwrap_or_default();
     settings.torrent_max_open_files = crate::queue::normalize_torrent_max_open_files(
         settings.torrent_max_open_files,
     )
@@ -692,6 +696,7 @@ fn default_settings() -> PersistedSettings {
         approved_download_roots: Vec::new(),
         max_concurrent_downloads: 3,
         global_speed_limit: String::new(),
+        torrent_overall_upload_limit: String::new(),
         speed_limit_preset_values: vec![1.0, 5.0, 10.0],
         logs_enabled: false,
         is_sidebar_visible: true,
@@ -793,6 +798,7 @@ mod tests {
             "state": {
                 "maxConcurrentDownloads": 7,
                 "globalSpeedLimit": "2M",
+                "torrentOverallUploadLimit": "1.5M",
                 "sidebarPosition": "right",
                 "scheduler": {
                     "enabled": true,
@@ -811,6 +817,7 @@ mod tests {
 
         assert_eq!(settings.max_concurrent_downloads, 7);
         assert_eq!(settings.global_speed_limit, "2M");
+        assert_eq!(settings.torrent_overall_upload_limit, "1.5M");
         assert_eq!(settings.sidebar_position, "right");
         assert_eq!(settings.speed_limit_preset_values, vec![1.0, 5.0, 10.0]);
         assert!(!settings.logs_enabled);
@@ -836,6 +843,7 @@ mod tests {
 
         assert_eq!(settings.max_concurrent_downloads, 5);
         assert_eq!(settings.global_speed_limit, "512K");
+        assert!(settings.torrent_overall_upload_limit.is_empty());
         assert_eq!(settings.last_custom_speed_limit_unit, "MB/s");
         assert_eq!(settings.speed_limit_preset_values, vec![1.0, 5.0, 10.0]);
         assert!(!settings.logs_enabled);
@@ -858,6 +866,20 @@ mod tests {
         assert!(settings.logs_enabled);
         assert!(!settings.scheduler.enabled);
         assert!(settings.global_speed_limit.is_empty());
+        assert!(settings.torrent_overall_upload_limit.is_empty());
+    }
+
+    #[test]
+    fn normalizes_invalid_torrent_overall_upload_limit_to_unlimited() {
+        let stored = json!({
+            "state": {
+                "torrentOverallUploadLimit": "not-a-rate"
+            }
+        });
+
+        let settings = decode_stored_settings(&Value::String(stored.to_string())).unwrap();
+
+        assert!(settings.torrent_overall_upload_limit.is_empty());
     }
 
     #[test]