refactor: type improvements (#751)

apps/server/src/services/runtime-service/RuntimeService.ts

@@ -14,8 +14,6 @@ import * as runtimeState from '../../stores/runtimeState.js';
 class RuntimeService {
   private eventTimer: TimerService | null = null;
 
-  constructor() {}
-
   init(resumable: RestorePoint | null) {
     logger.info(LogOrigin.Server, 'Runtime service started');
     // TODO: refresh at 32ms, slowing down now to keep UI responsive while we dont have granular updates
@@ -339,6 +337,11 @@ class RuntimeService {
     const { selectedEventId, playback } = restorePoint;
     if (playback === Playback.Roll) {
       this.roll();
+      return;
+    }
+
+    if (!selectedEventId) {
+      return;
     }
 
     // the db would have to change for the event not to exist