fix: clean /data/ success-rate copy

apps/web/src/pages/data.astro

@@ -31,7 +31,7 @@ const content = {
             <p class="data-eyebrow">Install reliability</p>
             <h2 id="reliability-title">Daily success rate</h2>
           </div>
-          <p>One success and one failure at most are counted for each app, device, and day. Repeated file-level errors cannot inflate the result.</p>
+          <p>Counted per app, device, and UTC day. If that combination eventually installs successfully, it counts as success.</p>
         </div>
 
         <div class="data-kpis" aria-label="Reliability summary">
@@ -57,7 +57,7 @@ const content = {
         <div>
           <p class="data-eyebrow">Platform mix</p>
           <h2 id="platforms-title">Share of active devices</h2>
-          <p class="data-copy">Only percentage distribution is published. Exact device totals never leave the API.</p>
+          <p class="data-copy">Relative share of active devices across iOS, Android, and Electron.</p>
         </div>
         <dl class="data-platforms">
           {
@@ -80,7 +80,7 @@ const content = {
         <div>
           <p class="data-eyebrow">Failure distribution</p>
           <h2 id="failures-title">Top failure reasons</h2>
-          <p class="data-copy">Each reason is deduplicated by app, device, and day. The list shows percentage share only.</p>
+          <p class="data-copy">Each reason is deduplicated by app, device, and day.</p>
         </div>
         <ol class="data-failures" data-failures aria-live="polite">
           <li class="data-loading data-list-skeleton" aria-hidden="true"><span></span><div></div><b></b></li>
@@ -94,7 +94,7 @@ const content = {
       <div class="data-shell">
         <div class="data-heading">
           <div><p class="data-eyebrow">Adoption context</p><h2 id="versions-title">Leading updater version</h2></div>
-          <p>The most-used updater version each day is shown as a percentage, without publishing device totals.</p>
+          <p>The most-used updater version each day, shown as a share of active devices.</p>
         </div>
         <div class="data-loading data-chart-skeleton data-version-skeleton" aria-hidden="true">
           <div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div>