Make v2 UI Settings button navigate to /settings page

Both the tab bar ⚙ Settings button and the status bar ⚙ button
in the v2 UI now redirect to /settings instead of opening an
inline overlay. The full settings page has the left sidebar nav
with category views.

src/web/ui-v2-dist/index.html

@@ -786,20 +786,16 @@ function init(){
     btn.onclick=()=>{
       const view=btn.dataset.view;
       if(view==='main'){document.querySelectorAll('.tab-btn').forEach(b=>b.classList.remove('active'));btn.classList.add('active');}
-      else if(view==='settings')openOverlay('Settings');
+      else if(view==='settings'){window.location.href='/settings';return;}
       else if(view==='presets'){openOverlay('Presets');loadPresets();}
       else if(view==='snapshots'){openOverlay('Snapshots');loadSnapshots();}
       else if(view==='downloads')openOverlay('Downloads');
     };
   });
 
-  // Status bar: settings
-  document.getElementById('btnSettings').onclick=async()=>{
-    document.getElementById('instrumentLabel').textContent=currentChannel.charAt(0).toUpperCase()+currentChannel.slice(1).replace('_',' ');
-    openOverlay('Settings');
-    await loadAudioProfiles();await loadBtStatus();await loadBtMidi();await loadHotspotStatus();
-    await loadNetworkInfo();await loadSystemInfo();await doWifiScan();
-    loadAudioDevices();loadChInstrumentState();
+  // Status bar: settings → navigate to full settings page
+  document.getElementById('btnSettings').onclick=()=>{
+    window.location.href='/settings';
   };
 
   // Close all overlays