refactor: simplify dtos and improve type saftey in json returns

apps/server/src/jobs/cleanup-sessions.ts

@@ -0,0 +1,10 @@
+import { Job } from "../core/scheduler";
+import { authService } from "../modules/auth/auth.service";
+
+export class CleanupSessionsJob extends Job {
+	async run() {
+		authService.cleanupExpiredSessions();
+
+		return { done: true, timestamp: new Date() };
+	}
+}