Retention Editor added in UI

Time set in Schedular added

backend/src/routes/backup.js

@@ -80,7 +80,7 @@ export async function runBackupJob(job) {
 
     setJobStep(job, 'Applying Restic retention policy');
     setJobProgress(job, { percent: 96 });
-    await runRestic(['forget', '--tag', job.vmName, '--keep-daily', '7', '--prune'], {
+    await runRestic(retentionArgs(job.vmName), {
       log: (line) => appendJobLog(job, line),
     });
 
@@ -115,6 +115,25 @@ function formatBytes(value) {
   return `${size.toFixed(unitIndex === 0 ? 0 : 1)} ${units[unitIndex]}`;
 }
 
+function retentionArgs(vmName) {
+  const args = ['forget', '--tag', vmName, '--prune'];
+  const keepDaily = positiveInteger(config.retention.keepDaily);
+  const keepWeekly = positiveInteger(config.retention.keepWeekly);
+  const keepMonthly = positiveInteger(config.retention.keepMonthly);
+
+  if (keepDaily) args.push('--keep-daily', String(keepDaily));
+  if (keepWeekly) args.push('--keep-weekly', String(keepWeekly));
+  if (keepMonthly) args.push('--keep-monthly', String(keepMonthly));
+  if (!keepDaily && !keepWeekly && !keepMonthly) args.push('--keep-daily', '7');
+
+  return args;
+}
+
+function positiveInteger(value) {
+  const number = Number(value);
+  return Number.isFinite(number) && number > 0 ? Math.floor(number) : 0;
+}
+
 async function cleanupBackup(job, zvol, snapshotName) {
   setJobStep(job, 'Running cleanup');
   await spawnCommand('zfs', ['set', 'snapdev=hidden', zvol], {