added pages to project

lib/screens/meditation_page.dart

@@ -139,11 +139,17 @@ class _MeditationPageState extends State<MeditationPage>
     if (running) return;
 
     // start music on user action (safer for iOS)
-    await _ensureMusicStarted();
+    if (!_musicStarted) {
+      await _ensureMusicStarted();
+    } else {
+      // già partita in precedenza: riprende dopo la pausa
+      try {
+        await _bgPlayer.resume();
+      } catch (_) {}
+    }
     await _applyMusicVolume();
 
     setState(() => running = true);
-
     // start square animation
     _squareCtrl.repeat();
 
@@ -165,8 +171,11 @@ class _MeditationPageState extends State<MeditationPage>
     _timer = null;
 
     _squareCtrl.stop();
-    // musica: la lasciamo andare ma mutabile; se vuoi che si fermi in pausa:
-    // _bgPlayer.pause();
+
+    // ferma la musica in pausa
+    try {
+      _bgPlayer.pause();
+    } catch (_) {}
   }
 
   void _reset() {