support for resume on multiple devices, fix camera freeze bug when opening setup overlay

server/step_manager.go

@@ -360,10 +360,26 @@ func (sm *StepManager) GetStatus() map[string]interface{} {
 		go sm.Sync() // Async sync
 	}
 
-	return map[string]interface{}{
+	res := map[string]interface{}{
 		"tripSteps":    currentSmoothed,
 		"nextSyncTime": nextSyncMilli,
 	}
+
+	sm.mu.Lock()
+	if sm.tripState.StartDate != "" {
+		res["activeTrip"] = map[string]interface{}{
+			"trip_type":      sm.tripState.TripType,
+			"route_name":     sm.tripState.RouteName,
+			"start_address":  sm.tripState.StartAddress,
+			"end_address":    sm.tripState.EndAddress,
+			"kml_id":         sm.tripState.KmlID,
+			"total_distance": sm.tripState.TotalDistance,
+			"start_time":     sm.tripState.StartTime,
+		}
+	}
+	sm.mu.Unlock()
+
+	return res
 }
 
 // RecalculateTotalFromState sums up the steps from the DailyCache without making external API calls