fix(admin): Checkbox klickbar (z-index + stopPropagation) statt Button-Trigger

web/src/App.tsx

@@ -261,10 +261,11 @@ export default function App() {
             <div key={`${s.fileName}-${s.name}`} className="sound-wrap">
               {isAdmin && (
                 <input
+                  className="select-check"
                   type="checkbox"
                   checked={!!selectedSet[key]}
+                  onClick={(e) => { e.stopPropagation(); }}
                   onChange={(e) => setSelectedSet((prev) => ({ ...prev, [key]: e.target.checked }))}
-                  style={{ position: 'absolute', left: 8, top: 8 }}
                 />
               )}
               <button className="sound" type="button" onClick={() => handlePlay(s.name, s.relativePath)} disabled={loading}>

web/src/styles.css

@@ -151,6 +151,15 @@ header p { opacity: .8; }
 
 .grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
 .sound-wrap { position: relative; }
+.select-check {
+  position: absolute;
+  left: 8px;
+  top: 8px;
+  z-index: 5;
+  width: 18px;
+  height: 18px;
+  accent-color: #60a5fa;
+}
 .sound {
   padding: 18px 16px;
   border-radius: 14px;