Refine server picker ping labels and layout

src/web/components/ServerPicker.jsx

@@ -39,19 +39,21 @@ function readAuto() {
 
 function serverHealthText(ping) {
   if (ping?.error) return 'Проверка недоступна';
-  if (ping?.ok) return `TCP ${ping.latency} мс`;
-  return ping ? 'TCP недоступен' : 'Не проверен';
+  if (ping?.ok) return `${ping.latency} мс`;
+  return ping ? 'Недоступен' : null;
 }
 
 function ServerHealth({ ping, fallback }) {
   const health = fallback || serverHealthText(ping);
+  if (!health && !ping?.checking) return null;
+
   return <small
     className={`client-server-health${ping?.checking ? ' is-checking' : ''}`}
     title={ping?.checkedAt || undefined}
-    aria-label={ping?.checking ? 'Проверяем TCP' : health}
+    aria-label={ping?.checking ? 'Проверяем пинг' : health}
   >
     <span aria-hidden="true">{health}</span>
-    <span className="client-server-health-checking" aria-hidden="true">Проверяем TCP…</span>
+    <span className="client-server-health-checking" aria-hidden="true">Проверяем…</span>
   </small>;
 }
 
@@ -59,11 +61,11 @@ function ServerCheckButton({ checking, disabled, onClick }) {
   return <button
     className={`client-server-check${checking ? ' is-checking' : ''}`}
     type="button"
-    aria-label={checking ? 'Проверяем доступность серверов по TCP' : 'Проверить доступность серверов по TCP'}
+    aria-label={checking ? 'Проверяем пинг серверов' : 'Проверить пинг серверов'}
     disabled={checking || disabled}
     onClick={onClick}
   >
-    <span>TCP</span>
+    <span>Проверить пинг</span>
     <svg viewBox="0 0 24 24" aria-hidden="true">
       <path d="M21 12a9 9 0 0 0-15.2-6.5L3 8m0-5v5h5M3 12a9 9 0 0 0 15.2 6.5L21 16m0 5v-5h-5" />
     </svg>
@@ -71,7 +73,7 @@ function ServerCheckButton({ checking, disabled, onClick }) {
 }
 
 function ServerRow({ server, selected, favorite, ping, disabled, index, onSelect, onFavorite }) {
-  const health = ping?.checking ? 'Проверяем TCP' : serverHealthText(ping);
+  const health = ping?.checking ? 'Проверяем пинг' : serverHealthText(ping);
 
   return <div className={`client-server-row${selected ? ' is-selected' : ''}${onFavorite ? ' has-favorite' : ''}`}>
     <button
@@ -79,7 +81,7 @@ function ServerRow({ server, selected, favorite, ping, disabled, index, onSelect
       type="button"
       disabled={disabled}
       aria-pressed={selected}
-      aria-label={`${server.label}, ${server.host}:${server.port}, ${health}`}
+      aria-label={`${server.label}, ${server.host}:${server.port}${health ? `, ${health}` : ''}`}
       style={{ '--server-index': Math.min(index, 7) }}
       onClick={() => onSelect(server.id)}
     >