feat(backend): backup service with retention policy

apps/server/src/jobs/backup-execution.ts

@@ -0,0 +1,29 @@
+import { Job } from "../core/scheduler";
+import { backupsService } from "../modules/backups/backups.service";
+import { toMessage } from "../utils/errors";
+import { logger } from "../utils/logger";
+
+export class BackupExecutionJob extends Job {
+	async run() {
+		logger.debug("Checking for backup schedules to execute...");
+
+		const scheduleIds = await backupsService.getSchedulesToExecute();
+
+		if (scheduleIds.length === 0) {
+			logger.debug("No backup schedules to execute");
+			return { done: true, timestamp: new Date(), executed: 0 };
+		}
+
+		logger.info(`Found ${scheduleIds.length} backup schedule(s) to execute`);
+
+		for (const scheduleId of scheduleIds) {
+			try {
+				await backupsService.executeBackup(scheduleId);
+			} catch (error) {
+				logger.error(`Failed to execute backup for schedule ${scheduleId}: ${toMessage(error)}`);
+			}
+		}
+
+		return { done: true, timestamp: new Date(), executed: scheduleIds.length };
+	}
+}