add queue worker repository

server/src/repositories/queue-workers/IQueueWorkersRepository.ts

@@ -0,0 +1,7 @@
+import type { QueueMode, QueueWorker } from "@/types/settings.js";
+
+export interface IQueueWorkersRepository {
+	upsert(workerId: string, mode: QueueMode): Promise<void>;
+	findRecent(maxAgeMs: number): Promise<QueueWorker[]>;
+	deleteById(workerId: string): Promise<void>;
+}