fix: server page empty by default, https prefix non-editable, StateProvider for instant redirect

lib/main.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:pyramid/core/app.dart';
 import 'package:pyramid/core/matrix_client.dart';
+import 'package:pyramid/features/auth/login_notifier.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
@@ -17,16 +18,16 @@ class PyramidBootstrap extends ConsumerWidget {
 
     return clientAsync.when(
       loading: () => const MaterialApp(
-        home: Scaffold(
-          body: Center(child: CircularProgressIndicator()),
-        ),
+        home: Scaffold(body: Center(child: CircularProgressIndicator())),
       ),
       error: (e, _) => MaterialApp(
-        home: Scaffold(
-          body: Center(child: Text('Fehler: $e')),
-        ),
+        home: Scaffold(body: Center(child: Text('Fehler: $e'))),
       ),
-      data: (_) => const PyramidApp(),
+      data: (_) {
+        // Homeserver einmalig aus SharedPreferences laden
+        initHomeserver(ref);
+        return const PyramidApp();
+      },
     );
   }
 }