added ETA for Backupjob

frontend/src/components/JobStatusPanel.jsx

@@ -1,5 +1,6 @@
 export function JobStatusPanel({ job }) {
   const percent = Math.round(job?.progress?.percent || 0);
+  const transfer = transferStats(job);
 
   return (
     <section className="min-w-0 overflow-hidden rounded-md border border-zinc-800 bg-zinc-900/70">
@@ -14,6 +15,9 @@ export function JobStatusPanel({ job }) {
           <Info label="Type" value={job?.type || '-'} />
           <Info label="Current Step" value={job?.currentStep || 'No active job'} />
           <Info label="Progress" value={job ? `${percent}%` : '-'} />
+          <Info label="Transferred" value={transfer.transferred} />
+          <Info label="Rate" value={transfer.rate} />
+          <Info label="ETA" value={transfer.eta} />
           <Info label="Started" value={formatTime(job?.startedAt)} />
           <Info label="Finished" value={formatTime(job?.finishedAt)} />
           {job?.error ? <Info label="Error" value={job.error} tone="text-red-300" /> : null}
@@ -27,6 +31,13 @@ export function JobStatusPanel({ job }) {
             <div className="h-2 overflow-hidden rounded-md bg-zinc-800">
               <div className="h-full bg-cyan-400 transition-all" style={{ width: `${job ? percent : 0}%` }} />
             </div>
+            {job ? (
+              <div className="mt-3 grid gap-2 text-xs text-zinc-500 sm:grid-cols-3">
+                <Metric label="Transferred" value={transfer.transferred} />
+                <Metric label="Rate" value={transfer.rate} />
+                <Metric label="ETA" value={transfer.eta} />
+              </div>
+            ) : null}
           </div>
           <pre className="max-h-80 max-w-full overflow-auto rounded-md border border-zinc-800 bg-zinc-950 p-3 text-xs leading-5 text-zinc-300">
             {(job?.logs || ['No logs yet.']).join('\n')}
@@ -37,6 +48,15 @@ export function JobStatusPanel({ job }) {
   );
 }
 
+function Metric({ label, value }) {
+  return (
+    <div className="min-w-0">
+      <div className="uppercase tracking-wide">{label}</div>
+      <div className="mt-1 truncate font-mono text-zinc-300">{value}</div>
+    </div>
+  );
+}
+
 function Info({ label, value, tone = 'text-zinc-300' }) {
   return (
     <div>
@@ -46,6 +66,49 @@ function Info({ label, value, tone = 'text-zinc-300' }) {
   );
 }
 
+function transferStats(job) {
+  const currentBytes = Number(job?.progress?.currentBytes || 0);
+  const totalBytes = Number(job?.progress?.totalBytes || 0);
+  const startedAt = job?.startedAt ? new Date(job.startedAt).getTime() : 0;
+  const finishedAt = job?.finishedAt ? new Date(job.finishedAt).getTime() : Date.now();
+  const elapsedSeconds = startedAt ? Math.max(1, (finishedAt - startedAt) / 1000) : 0;
+  const bytesPerSecond = currentBytes && elapsedSeconds ? currentBytes / elapsedSeconds : 0;
+  const remainingBytes = totalBytes && currentBytes ? Math.max(0, totalBytes - currentBytes) : 0;
+  const remainingSeconds = bytesPerSecond && remainingBytes ? remainingBytes / bytesPerSecond : 0;
+
+  return {
+    transferred: currentBytes && totalBytes
+      ? `${formatBytes(currentBytes)} / ${formatBytes(totalBytes)}`
+      : currentBytes
+        ? formatBytes(currentBytes)
+        : '-',
+    rate: bytesPerSecond ? `${formatBytes(bytesPerSecond)}/s` : '-',
+    eta: remainingSeconds ? formatDuration(remainingSeconds) : job?.status === 'success' ? 'Done' : '-',
+  };
+}
+
+function formatBytes(value) {
+  if (!value) return '-';
+  const units = ['B', 'KiB', 'MiB', 'GiB', 'TiB'];
+  let size = Number(value);
+  let unitIndex = 0;
+  while (size >= 1024 && unitIndex < units.length - 1) {
+    size /= 1024;
+    unitIndex += 1;
+  }
+  return `${size.toFixed(unitIndex === 0 ? 0 : 1)} ${units[unitIndex]}`;
+}
+
+function formatDuration(secondsValue) {
+  const totalSeconds = Math.max(0, Math.round(secondsValue));
+  const hours = Math.floor(totalSeconds / 3600);
+  const minutes = Math.floor((totalSeconds % 3600) / 60);
+  const seconds = totalSeconds % 60;
+  if (hours) return `${hours}h ${minutes}m`;
+  if (minutes) return `${minutes}m ${seconds}s`;
+  return `${seconds}s`;
+}
+
 function statusClass(status) {
   if (status === 'success') return 'border-emerald-800 bg-emerald-950 text-emerald-300';
   if (status === 'failed') return 'border-red-800 bg-red-950 text-red-300';