traffic: add per-app runtime app routing via cgroup marks

selective-vpn-gui/dashboard_controller.py

@@ -32,6 +32,8 @@ from api_client import (
     LoginState,
     Status,
     TrafficCandidates,
+    TrafficAppMarksResult,
+    TrafficAppMarksStatus,
     TrafficInterfaces,
     TrafficModeStatus,
     TraceDump,
@@ -705,6 +707,23 @@ class DashboardController:
     def traffic_candidates(self) -> TrafficCandidates:
         return self.client.traffic_candidates_get()
 
+    def traffic_appmarks_status(self) -> TrafficAppMarksStatus:
+        return self.client.traffic_appmarks_status()
+
+    def traffic_appmarks_apply(
+        self,
+        *,
+        op: str,
+        target: str,
+        cgroup: str = "",
+        timeout_sec: int = 0,
+    ) -> TrafficAppMarksResult:
+        return self.client.traffic_appmarks_apply(
+            op=op,
+            target=target,
+            cgroup=cgroup,
+            timeout_sec=timeout_sec,
+        )
 
     def routes_nft_progress_from_event(self, ev: Event) -> RoutesNftProgressView:
         """