OCTRL-981: Do not print error for BASIC_TASK_TERMINATED event with no parent role (#741)

* Initial plan

* Fix printf formatting directive issue in task manager

Co-authored-by: knopers8 <14327588+knopers8@users.noreply.github.com>

* Fix race condition: Change error to debug for BASIC_TASK_TERMINATED with no parent role

Co-authored-by: knopers8 <14327588+knopers8@users.noreply.github.com>

* OCTRL-981: Remove unrelated changes - keep only environment manager fix

Co-authored-by: knopers8 <14327588+knopers8@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: knopers8 <14327588+knopers8@users.noreply.github.com>

Author: Copilot

core/environment/manager.go

@@ -1070,10 +1070,13 @@ func (envs *Manager) handleDeviceEvent(evt event.DeviceEvent) {
 						}
 					}
 				} else {
+					// Task has no parent role - this can happen during environment teardown
+					// when tasks are released before termination events are processed
 					log.WithPrefix("scheduler").
 						WithField("partition", envId.String()).
+						WithField("taskId", taskId.Value).
 						WithField(infologger.Level, infologger.IL_Devel).
-						Error("DeviceEvent BASIC_TASK_TERMINATED received for task with no parent role")
+						Debug("DeviceEvent BASIC_TASK_TERMINATED received for task with no parent role, likely due to environment teardown")
 				}
 			} else {
 				log.WithPrefix("scheduler").