Implement autosave logic

lib/app.dart

@@ -59,9 +59,49 @@ class _AppState extends ConsumerState<App> with WindowListener {
   void onWindowClose() async {
     bool isPreventClose = await windowManager.isPreventClose();
     if (isPreventClose) {
-      if (ref.watch(
-              settingsProvider.select((value) => value.promptBeforeClosing)) &&
-          ref.watch(hasUnsavedChangesProvider)) {
+      final hasUnsaved = ref.watch(hasUnsavedChangesProvider);
+      final autoSave =
+          ref.watch(settingsProvider.select((value) => value.autoSaveOnExit));
+      final promptBefore = ref
+          .watch(settingsProvider.select((value) => value.promptBeforeClosing));
+
+      // Priority 1: Auto-save if enabled and there are unsaved changes
+      if (autoSave && hasUnsaved) {
+        try {
+          await ref.read(collectionStateNotifierProvider.notifier).saveData();
+          await windowManager.destroy();
+        } catch (e) {
+          // If autosave fails, show error and prevent close to avoid data loss
+          if (context.mounted) {
+            showDialog(
+              context: context,
+              builder: (_) => AlertDialog(
+                title: const Text('Error Saving'),
+                content: Text(
+                    'Failed to save your changes: $e\n\nPlease try saving manually or close without saving.'),
+                actions: [
+                  OutlinedButton(
+                    child: const Text('Close Without Saving'),
+                    onPressed: () async {
+                      Navigator.of(context).pop();
+                      await windowManager.destroy();
+                    },
+                  ),
+                  FilledButton(
+                    child: const Text('Try Again'),
+                    onPressed: () {
+                      Navigator.of(context).pop();
+                      onWindowClose(); // Retry
+                    },
+                  ),
+                ],
+              ),
+            );
+          }
+        }
+      }
+      // Priority 2: Show prompt if enabled and there are unsaved changes
+      else if (promptBefore && hasUnsaved) {
         showDialog(
           context: context,
           builder: (_) => AlertDialog(
@@ -89,7 +129,9 @@ class _AppState extends ConsumerState<App> with WindowListener {
             ],
           ),
         );
-      } else {
+      }
+      // Priority 3: Just close if no unsaved changes or both settings disabled
+      else {
         await windowManager.destroy();
       }
     }

lib/models/settings_model.dart

@@ -14,6 +14,7 @@ class SettingsModel {
     this.defaultCodeGenLang = CodegenLanguage.curl,
     this.saveResponses = true,
     this.promptBeforeClosing = true,
+    this.autoSaveOnExit = true,
     this.activeEnvironmentId,
     this.historyRetentionPeriod = HistoryRetentionPeriod.oneWeek,
     this.workspaceFolderPath,
@@ -30,6 +31,7 @@ class SettingsModel {
   final CodegenLanguage defaultCodeGenLang;
   final bool saveResponses;
   final bool promptBeforeClosing;
+  final bool autoSaveOnExit;
   final String? activeEnvironmentId;
   final HistoryRetentionPeriod historyRetentionPeriod;
   final String? workspaceFolderPath;
@@ -46,6 +48,7 @@ class SettingsModel {
     CodegenLanguage? defaultCodeGenLang,
     bool? saveResponses,
     bool? promptBeforeClosing,
+    bool? autoSaveOnExit,
     String? activeEnvironmentId,
     HistoryRetentionPeriod? historyRetentionPeriod,
     String? workspaceFolderPath,
@@ -63,6 +66,7 @@ class SettingsModel {
       offset: offset ?? this.offset,
       saveResponses: saveResponses ?? this.saveResponses,
       promptBeforeClosing: promptBeforeClosing ?? this.promptBeforeClosing,
+      autoSaveOnExit: autoSaveOnExit ?? this.autoSaveOnExit,
       activeEnvironmentId: activeEnvironmentId ?? this.activeEnvironmentId,
       historyRetentionPeriod:
           historyRetentionPeriod ?? this.historyRetentionPeriod,
@@ -85,6 +89,7 @@ class SettingsModel {
       offset: offset,
       saveResponses: saveResponses,
       promptBeforeClosing: promptBeforeClosing,
+      autoSaveOnExit: autoSaveOnExit,
       activeEnvironmentId: activeEnvironmentId,
       historyRetentionPeriod: historyRetentionPeriod,
       workspaceFolderPath: workspaceFolderPath,
@@ -132,6 +137,7 @@ class SettingsModel {
     }
     final saveResponses = data["saveResponses"] as bool?;
     final promptBeforeClosing = data["promptBeforeClosing"] as bool?;
+    final autoSaveOnExit = data["autoSaveOnExit"] as bool?;
     final activeEnvironmentId = data["activeEnvironmentId"] as String?;
     final historyRetentionPeriodStr = data["historyRetentionPeriod"] as String?;
     HistoryRetentionPeriod? historyRetentionPeriod;
@@ -160,6 +166,7 @@ class SettingsModel {
       defaultCodeGenLang: defaultCodeGenLang,
       saveResponses: saveResponses,
       promptBeforeClosing: promptBeforeClosing,
+      autoSaveOnExit: autoSaveOnExit,
       activeEnvironmentId: activeEnvironmentId,
       historyRetentionPeriod:
           historyRetentionPeriod ?? HistoryRetentionPeriod.oneWeek,
@@ -182,6 +189,7 @@ class SettingsModel {
       "defaultCodeGenLang": defaultCodeGenLang.name,
       "saveResponses": saveResponses,
       "promptBeforeClosing": promptBeforeClosing,
+      "autoSaveOnExit": autoSaveOnExit,
       "activeEnvironmentId": activeEnvironmentId,
       "historyRetentionPeriod": historyRetentionPeriod.name,
       "workspaceFolderPath": workspaceFolderPath,
@@ -209,6 +217,7 @@ class SettingsModel {
         other.defaultCodeGenLang == defaultCodeGenLang &&
         other.saveResponses == saveResponses &&
         other.promptBeforeClosing == promptBeforeClosing &&
+        other.autoSaveOnExit == autoSaveOnExit &&
         other.activeEnvironmentId == activeEnvironmentId &&
         other.historyRetentionPeriod == historyRetentionPeriod &&
         other.workspaceFolderPath == workspaceFolderPath &&
@@ -229,6 +238,7 @@ class SettingsModel {
       defaultCodeGenLang,
       saveResponses,
       promptBeforeClosing,
+      autoSaveOnExit,
       activeEnvironmentId,
       historyRetentionPeriod,
       workspaceFolderPath,

lib/providers/settings_providers.dart

@@ -29,6 +29,7 @@ class ThemeStateNotifier extends StateNotifier<SettingsModel> {
     CodegenLanguage? defaultCodeGenLang,
     bool? saveResponses,
     bool? promptBeforeClosing,
+    bool? autoSaveOnExit,
     String? activeEnvironmentId,
     HistoryRetentionPeriod? historyRetentionPeriod,
     String? workspaceFolderPath,
@@ -45,6 +46,7 @@ class ThemeStateNotifier extends StateNotifier<SettingsModel> {
       defaultCodeGenLang: defaultCodeGenLang,
       saveResponses: saveResponses,
       promptBeforeClosing: promptBeforeClosing,
+      autoSaveOnExit: autoSaveOnExit,
       activeEnvironmentId: activeEnvironmentId,
       historyRetentionPeriod: historyRetentionPeriod,
       workspaceFolderPath: workspaceFolderPath,

lib/screens/settings_page.dart

@@ -154,6 +154,17 @@ class SettingsPage extends ConsumerWidget {
                       .update(promptBeforeClosing: value);
                 },
               ),
+              CheckboxListTile(
+                title: const Text("Auto-save on Exit"),
+                subtitle: const Text(
+                    "Automatically save all changes when closing the app"),
+                value: settings.autoSaveOnExit,
+                onChanged: (value) {
+                  ref
+                      .read(settingsProvider.notifier)
+                      .update(autoSaveOnExit: value);
+                },
+              ),
               ListTile(
                 hoverColor: kColorTransparent,
                 title: const Text('History Retention Period'),