feat: Add refresh token mechanism and sync request handling in home screen

lib/app.dart

@@ -70,6 +70,7 @@ class _NotesAppState extends State<NotesApp>
   _AppSection _currentSection = _AppSection.home;
   SyncStatus _syncStatus = SyncStatus.idle;
   String? _syncErrorMessage;
+  int _homeRefreshToken = 0;
 
   @override
   void initState() {
@@ -613,6 +614,10 @@ class _NotesAppState extends State<NotesApp>
       return;
     }
 
+    if (_syncStatus == SyncStatus.syncing) {
+      return;
+    }
+
     setState(() {
       _syncStatus = SyncStatus.syncing;
       _syncErrorMessage = null;
@@ -634,6 +639,7 @@ class _NotesAppState extends State<NotesApp>
         setState(() {
           _syncStatus = SyncStatus.synced;
           _syncErrorMessage = null;
+          _homeRefreshToken += 1;
         });
 
         // Reset to idle after 3 seconds
@@ -704,9 +710,11 @@ class _NotesAppState extends State<NotesApp>
             key: const ValueKey<String>('home-screen'),
             repository: repository,
             onOpenSettings: _openSettings,
+            onRequestSync: _performSync,
             onVaultInvalid: _resetLocalVaultData,
             syncStatus: _syncStatus,
             syncErrorMessage: _syncErrorMessage,
+            refreshToken: _homeRefreshToken,
           )
         : SettingsScreen(
             key: const ValueKey<String>('settings-screen'),

lib/screens/home_screen.dart

@@ -17,16 +17,20 @@ class HomeScreen extends StatefulWidget {
     super.key,
     required this.repository,
     required this.onOpenSettings,
+    required this.onRequestSync,
     this.onVaultInvalid,
     this.syncStatus = SyncStatus.idle,
     this.syncErrorMessage,
+    this.refreshToken = 0,
   });
 
   final NoteRepository repository;
   final VoidCallback onOpenSettings;
+  final Future<void> Function() onRequestSync;
   final Future<void> Function()? onVaultInvalid;
   final SyncStatus syncStatus;
   final String? syncErrorMessage;
+  final int refreshToken;
 
   @override
   State<HomeScreen> createState() => _HomeScreenState();
@@ -52,6 +56,14 @@ class _HomeScreenState extends State<HomeScreen> {
     _loadNotes();
   }
 
+  @override
+  void didUpdateWidget(covariant HomeScreen oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (oldWidget.refreshToken != widget.refreshToken) {
+      _loadNotes();
+    }
+  }
+
   Future<void> _loadNotes() async {
     try {
       final List<Note> storedNotes = await widget.repository.loadNotes();
@@ -92,10 +104,9 @@ class _HomeScreenState extends State<HomeScreen> {
         _notes = updatedNotes;
       });
 
-      // Trigger sync after creating a note and refresh local list
+      // Trigger sync after creating a note.
       try {
-        await widget.repository.performSync();
-        await _loadNotes();
+        await widget.onRequestSync();
       } catch (_) {}
     }
   }
@@ -115,10 +126,9 @@ class _HomeScreenState extends State<HomeScreen> {
       _notes = updatedNotes;
     });
 
-    // Trigger sync after deleting a note and refresh local list
+    // Trigger sync after deleting a note.
     try {
-      await widget.repository.performSync();
-      await _loadNotes();
+      await widget.onRequestSync();
     } catch (_) {}
   }
 
@@ -171,10 +181,9 @@ class _HomeScreenState extends State<HomeScreen> {
         setState(() {
           _notes = _normalizeNotes(updatedNotes);
         });
-        // Trigger sync after editing a note and refresh local list
+        // Trigger sync after editing a note.
         try {
-          await widget.repository.performSync();
-          await _loadNotes();
+          await widget.onRequestSync();
         } catch (_) {}
       }
     }
@@ -212,10 +221,7 @@ class _HomeScreenState extends State<HomeScreen> {
         ? const _EmptyState()
         : RefreshIndicator(
             onRefresh: () async {
-              try {
-                await widget.repository.performSync();
-              } catch (_) {}
-              await _loadNotes();
+              await widget.onRequestSync();
             },
             child: MouseRegion(
               cursor: _isDragging
@@ -520,6 +526,7 @@ class _HomeScreenState extends State<HomeScreen> {
                 trailingWidget: SyncStatusIndicator(
                   status: widget.syncStatus,
                   errorMessage: widget.syncErrorMessage,
+                  onTap: widget.onRequestSync,
                 ),
                 onSearchChanged: (String query) {
                   setState(() {

lib/widgets/sync_status_indicator.dart

@@ -11,29 +11,49 @@ class SyncStatusIndicator extends StatelessWidget {
   const SyncStatusIndicator({
     required this.status,
     this.errorMessage,
+    this.onTap,
     super.key,
   });
 
   final SyncStatus status;
   final String? errorMessage;
+  final VoidCallback? onTap;
+
+  Widget _buildIndicator(Widget child) {
+    if (onTap == null) {
+      return child;
+    }
+
+    return MouseRegion(
+      cursor: SystemMouseCursors.click,
+      child: GestureDetector(
+        behavior: HitTestBehavior.opaque,
+        onTap: onTap,
+        child: child,
+      ),
+    );
+  }
 
   @override
   Widget build(BuildContext context) {
     switch (status) {
       case SyncStatus.idle:
-        return const Tooltip(
+        return Tooltip(
           message: 'Sincronización en espera',
-          child: Icon(
+          child: _buildIndicator(
+            const Icon(
               Icons.cloud_outlined,
               size: 16,
               color: Colors.white38,
             ),
+          ),
         );
 
       case SyncStatus.syncing:
-        return const Tooltip(
+        return Tooltip(
           message: 'Sincronizando...',
-          child: SizedBox(
+          child: _buildIndicator(
+            const SizedBox(
               width: 16,
               height: 16,
               child: CircularProgressIndicator(
@@ -43,26 +63,31 @@ class SyncStatusIndicator extends StatelessWidget {
                 ),
               ),
             ),
+          ),
         );
 
       case SyncStatus.synced:
-        return const Tooltip(
+        return Tooltip(
           message: 'Sincronizado',
-          child: Icon(
+          child: _buildIndicator(
+            const Icon(
               Icons.check_circle,
               size: 16,
               color: Colors.green,
             ),
+          ),
         );
 
       case SyncStatus.error:
         return Tooltip(
           message: errorMessage ?? 'Error al sincronizar',
-          child: const Icon(
+          child: _buildIndicator(
+            const Icon(
               Icons.error,
               size: 16,
               color: Colors.red,
             ),
+          ),
         );
     }
   }