feat: implement hide app name feature with toggle in admin settings and update branding context

server/routes/branding.js

@@ -108,6 +108,8 @@ router.get('/', async (req, res) => {
       }
     } catch { /* not configured */ }
 
+    const hideAppName = await getSetting('hide_app_name');
+
     res.json({
       appName: appName || 'Redlight',
       hasLogo: !!logoFile,
@@ -118,6 +120,7 @@ router.get('/', async (req, res) => {
       privacyUrl: privacyUrl || null,
       oauthEnabled,
       oauthDisplayName,
+      hideAppName: hideAppName === 'true',
     });
   } catch (err) {
     log.branding.error('Get branding error:', err);
@@ -282,4 +285,23 @@ router.put('/privacy-url', authenticateToken, requireAdmin, async (req, res) =>
   }
 });
 
+// PUT /api/branding/hide-app-name - Toggle app name visibility (admin only)
+router.put('/hide-app-name', authenticateToken, requireAdmin, async (req, res) => {
+  try {
+    const { hideAppName } = req.body;
+    if (typeof hideAppName !== 'boolean') {
+      return res.status(400).json({ error: 'hideAppName must be a boolean' });
+    }
+    if (hideAppName) {
+      await setSetting('hide_app_name', 'true');
+    } else {
+      await deleteSetting('hide_app_name');
+    }
+    res.json({ hideAppName });
+  } catch (err) {
+    log.branding.error('Update hide app name error:', err);
+    res.status(500).json({ error: 'Could not update setting' });
+  }
+});
+
 export default router;