fix: stabilize update telemetry layout

Render size, speed, and ETA in dedicated fixed-width columns with tabular numerals so rapidly changing values no longer shift neighboring metrics horizontally.

renderer/app.js

@@ -7714,16 +7714,23 @@ function _setUpdateProgress(percent, text, state = 'ready') {
 function _setUpdateProgressDetails(progress) {
   const details = document.getElementById('updateProgressDetails');
   if (!details) return;
+  const size = document.getElementById('updateProgressSize');
+  const speed = document.getElementById('updateProgressSpeed');
+  const eta = document.getElementById('updateProgressEta');
   const downloaded = Math.max(0, Number(progress?.bytesDownloaded) || 0);
   const total = Math.max(0, Number(progress?.bytesTotal) || 0);
   if (total <= 0) {
-    details.textContent = '';
+    if (size) size.textContent = '';
+    if (speed) speed.textContent = '';
+    if (eta) eta.textContent = '';
     details.hidden = true;
     return;
   }
   const bytesPerSecond = Math.max(0, Number(progress?.bytesPerSecond) || 0);
   const etaSeconds = Number.isFinite(Number(progress?.etaSeconds)) ? Math.max(0, Number(progress.etaSeconds)) : 0;
-  details.textContent = `${formatSize(downloaded)} / ${formatSize(total)} · ${formatSize(bytesPerSecond)}/s · ETA ${formatTime(etaSeconds)}`;
+  if (size) size.textContent = `${formatSize(downloaded)} / ${formatSize(total)}`;
+  if (speed) speed.textContent = `${formatSize(bytesPerSecond)}/s`;
+  if (eta) eta.textContent = `ETA ${formatTime(etaSeconds)}`;
   details.hidden = false;
 }
 

renderer/index.html

@@ -162,7 +162,13 @@
       <div class="update-progress" aria-live="polite">
         <div class="update-progress-track"><span id="updateProgressBar" role="progressbar" aria-label="Update-Fortschritt" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0" aria-valuetext="0%"></span></div>
         <div class="update-progress-footer">
-          <span id="updateProgressDetails" hidden></span>
+          <span id="updateProgressDetails" hidden>
+            <span id="updateProgressSize"></span>
+            <span class="update-progress-separator" aria-hidden="true">·</span>
+            <span id="updateProgressSpeed"></span>
+            <span class="update-progress-separator" aria-hidden="true">·</span>
+            <span id="updateProgressEta"></span>
+          </span>
           <span id="updateProgressText"></span>
         </div>
       </div>

renderer/styles.css

@@ -2520,19 +2520,32 @@ select.hs-input { max-width: none; width: auto; min-width: 140px; }
   display: flex;
   align-items: baseline;
   justify-content: space-between;
+  flex-wrap: wrap;
   gap: 12px;
 }
 
 #updateProgressDetails {
   min-width: 0;
-  overflow: hidden;
+  display: grid;
+  grid-template-columns: 19ch auto 11ch auto 10ch;
+  align-items: baseline;
+  gap: 5px;
   color: var(--text-dim);
   font-size: 11px;
+  font-variant-numeric: tabular-nums;
   line-height: 1.35;
-  text-overflow: ellipsis;
   white-space: nowrap;
 }
 
+.update-progress-separator {
+  text-align: center;
+}
+
+#updateProgressSpeed,
+#updateProgressEta {
+  text-align: right;
+}
+
 #updateProgressText {
   min-width: 34px;
   max-width: 100%;