Add LLM digest setup and share timestamp context

lib/features/ai_digest/presentation/ai_digest_review_view.dart

@@ -3,6 +3,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:relationship_saver/app/data/relationship_repository.dart';
 import 'package:relationship_saver/app/state/local_data_state.dart';
 import 'package:relationship_saver/core/config/app_theme.dart';
+import 'package:relationship_saver/features/ai_digest/application/calendar_event_launcher.dart';
 import 'package:relationship_saver/features/ai_digest/domain/ai_digest_models.dart';
 import 'package:relationship_saver/features/people/domain/person_models.dart';
 import 'package:relationship_saver/features/shared/frosted_card.dart';
@@ -165,6 +166,13 @@ class _AiSuggestionCard extends StatelessWidget {
                 icon: const Icon(Icons.check_rounded),
                 label: const Text('Accept'),
               ),
+              if (draft.kind == AiSuggestionKind.eventIdea &&
+                  draft.suggestedFor != null)
+                OutlinedButton.icon(
+                  onPressed: () => _addToCalendar(context),
+                  icon: const Icon(Icons.calendar_month_rounded),
+                  label: const Text('Calendar'),
+                ),
               OutlinedButton.icon(
                 onPressed: onDismiss,
                 icon: const Icon(Icons.close_rounded),
@@ -177,6 +185,17 @@ class _AiSuggestionCard extends StatelessWidget {
     );
   }
 
+  Future<void> _addToCalendar(BuildContext context) async {
+    final bool launched = await const CalendarEventLauncher()
+        .addSuggestionToCalendar(draft);
+    if (!context.mounted || launched) {
+      return;
+    }
+    ScaffoldMessenger.of(
+      context,
+    ).showSnackBar(const SnackBar(content: Text('Could not open calendar.')));
+  }
+
   IconData _iconForKind(AiSuggestionKind kind) {
     return switch (kind) {
       AiSuggestionKind.giftIdea => Icons.card_giftcard_rounded,