dev: add log messages for cost records

src/backend/src/services/drivers/CostService.js

@@ -48,6 +48,11 @@ class CostService extends BaseService {
             actor: Context.get('actor'),
             cost,
         };
+        this.log.info('cost record', {
+            actor: event.actor,
+            cost,
+            client_driver_call: Context.get('client_driver_call'),
+        });
         await svc_event.emit('credit.record-cost', event);
     }
 }

src/backend/src/services/drivers/DriverService.js

@@ -270,14 +270,15 @@ class DriverService extends BaseService {
         
         const svc_event = this.services.get('event');
         const event = {};
-        event.context = Context.sub({
-            client_driver_call,
-        });
         event.call_details = {
             service: driver,
             iface, method, args,
             skip_usage,
         };
+        event.context = Context.sub({
+            client_driver_call,
+            call_details: event.call_details,
+        });
         
         svc_event.emit('driver.create-call-context', event);