Complete refactor to clean up project

lib/features/home/widgets/app_drawer.dart

@@ -0,0 +1,76 @@
+import 'package:flutter/material.dart';
+
+/// Callback for shuffle state changes.
+typedef ShuffleCallback = void Function(bool enabled);
+
+/// Navigation drawer for the home page.
+///
+/// Provides access to app-level actions like shuffle mode and logout.
+class AppDrawer extends StatelessWidget {
+  final bool isShuffling;
+  final ShuffleCallback onShuffleChanged;
+  final VoidCallback onLogout;
+  final String? appName;
+  final String? appVersion;
+
+  const AppDrawer({
+    super.key,
+    required this.isShuffling,
+    required this.onShuffleChanged,
+    required this.onLogout,
+    this.appName,
+    this.appVersion,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Drawer(
+      child: SafeArea(
+        child: Padding(
+          padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 30),
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.spaceBetween,
+            children: [
+              _buildActions(),
+              _buildAppInfo(),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildActions() {
+    return Column(
+      children: [
+        ListTile(
+          leading: Icon(
+            Icons.shuffle,
+            color: isShuffling ? Colors.blue : null,
+          ),
+          title: const Text('Shuffle'),
+          onTap: () => onShuffleChanged(!isShuffling),
+        ),
+        ListTile(
+          leading: const Icon(Icons.logout),
+          title: const Text('Logout'),
+          onTap: onLogout,
+        ),
+      ],
+    );
+  }
+
+  Widget _buildAppInfo() {
+    final versionText = appName != null && appVersion != null
+        ? '$appName v$appVersion'
+        : 'Loading...';
+
+    return Padding(
+      padding: const EdgeInsets.all(16.0),
+      child: Text(
+        versionText,
+        style: const TextStyle(color: Colors.grey),
+      ),
+    );
+  }
+}