UI: wrap long game titles, shorten library search placeholder

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

frontend/src/pages/Library.tsx

@@ -125,7 +125,7 @@ export function Library() {
       <div className="toolbar" style={{ marginTop: shelf.length && !filtering ? "var(--space-5)" : 0 }}>
         <div className="search">
           <Icon name="search" size={20} />
-          <input type="search" placeholder="Поиск по названию, описанию или тегу…" value={query}
+          <input type="search" placeholder="Поиск по играм и тегам…" value={query}
                  onChange={(e) => setQuery(e.target.value)} aria-label="Поиск" />
         </div>
         <select value={sort} onChange={(e) => changeSort(e.target.value as Sort)} aria-label="Сортировка"