Fix user display, add logout, footer, optimize performance

- Move userDisplay inside tableContainer with proper positioning
- Add logout button next to settings
- Add footer with user email (left) and version (right)
- Fix auth model loading on page refresh
- Remove cache clearing on checkbox changes for better performance
- Add 150ms debounce to search input
- Expand search to include Notes fields
- Suppress QUIC protocol console errors from realtime connection
- Optimize checkbox change handler

server.ts

@@ -113,12 +113,12 @@ app.post('/api/admin/login', async (c) => {
       return c.json({ message: 'Missing email or password' }, 400);
     }
     
-    // Authenticate as PocketBase superuser via `_superusers` collection
-    const authData = await pb.collection('_superusers').authWithPassword(email, password);
+    // Authenticate as regular user
+    const authData = await pb.collection('users').authWithPassword(email, password);
     if (!authData || !authData.token) {
       return c.json({ message: 'Invalid credentials' }, 401);
     }
-    return c.json({ ok: true, token: authData.token, email: authData.record?.email, role: 'superuser' });
+    return c.json({ ok: true, token: authData.token, email: authData.record?.email });
   } catch (err) {
     console.error('admin_login_error', { message: (err as Error)?.message });
     return c.json({ message: 'Login failed' }, 401);