Recover managed process log sessions

runtime/process_supervisor.go

@@ -320,8 +320,15 @@ func (supervisor *OSManagedProcessSupervisor) Status(identity ProcessIdentity) P
 func (supervisor *OSManagedProcessSupervisor) ResumeOutput(output ManagedProcessOutput) {
 	supervisor.mu.Lock()
 	defer supervisor.mu.Unlock()
+	now := time.Now().UTC()
+	changed := false
 	for _, item := range supervisor.items {
 		if item.State == "running" && supervisor.isAlive(item) {
+			item.State = "running"
+			item.ObservationSeq++
+			item.UpdatedAt = now
+			supervisor.items[item.Scope] = item
+			changed = true
 			supervisor.startTailersLocked(item, output)
 			log.Printf("RUN phase=process.managed status=resume_output pid=%d server=%s scope=%s", item.PID, item.ServerInstanceID, safeOptional(item.Scope))
 		} else if supervisor.hasPendingOutput(item) {
@@ -329,7 +336,6 @@ func (supervisor *OSManagedProcessSupervisor) ResumeOutput(output ManagedProcess
 			log.Printf("RUN phase=process.managed status=resume_output_drain pid=%d server=%s scope=%s", item.PID, item.ServerInstanceID, safeOptional(item.Scope))
 		}
 	}
-	changed := false
 	for key, item := range supervisor.retired {
 		if supervisor.hasPendingOutput(item) {
 			supervisor.startDrainTailersLocked(item, output)