Update v9.4.1: Enhanced Playback & Device Management

- Incremented version to 9.4.1 (versionCode: 94100)
- Added keep screen on functionality during video playback
- Implemented device deletion in dashboard with confirmation
- Enhanced device management with delete capability
- Improved user experience during media playback
- Better device lifecycle management in dashboard
- Added confirmation dialog for device deletion

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

dashboard/public/app.js

@@ -45,6 +45,7 @@ function renderTable(devices) {
       actions.push('<button data-action="verify" class="primary">Verificar token</button>');
     }
     actions.push(device.blocked ? '<button data-action="unblock" class="primary">Desbloquear</button>' : '<button data-action="block" class="danger">Bloquear</button>');
+    actions.push('<button data-action="delete" class="danger ghost">Borrar</button>');
 
     tr.innerHTML = `
       <td>
@@ -97,6 +98,19 @@ async function unblockDevice(deviceId) {
   await fetchDevices();
 }
 
+async function deleteDevice(deviceId) {
+  const confirmation = confirm('¿Seguro que quieres borrar este dispositivo? Generará un nuevo token cuando se registre de nuevo.');
+  if (!confirmation) {
+    return;
+  }
+  const response = await fetch(`/api/devices/${encodeURIComponent(deviceId)}`, { method: 'DELETE' });
+  if (!response.ok) {
+    alert('No se pudo borrar el dispositivo');
+    return;
+  }
+  await fetchDevices();
+}
+
 async function verifyDevice(deviceId) {
   const clientTokenPart = prompt('Introduce el token que aparece en el dispositivo:');
   if (clientTokenPart === null) {
@@ -154,6 +168,8 @@ tableBody.addEventListener('click', async (event) => {
       await updateAlias(deviceId);
     } else if (action === 'verify') {
       await verifyDevice(deviceId);
+    } else if (action === 'delete') {
+      await deleteDevice(deviceId);
     }
   } catch (error) {
     console.error(error);