feat: implement backup management features

- Added `createBackupAction`, `verifyDatabaseAction`, and `refreshBackupStatsAction` for handling backup operations.
- Introduced `getBackupStats` method in `BackupClient` to retrieve daily backup statistics.
- Updated API route to support fetching backup stats.
- Integrated backup stats into the `BackupSettingsPage` and visualized them with `BackupTimelineChart`.
- Enhanced `BackupSettingsPageClient` to manage backup stats and actions more effectively.

src/actions/backup.ts

@@ -0,0 +1,60 @@
+'use server';
+
+import { backupService } from '@/services/data-management/backup';
+import { revalidatePath } from 'next/cache';
+
+export async function createBackupAction(force: boolean = false) {
+  try {
+    const result = await backupService.createBackup('manual', force);
+    
+    // Invalider le cache de la page pour forcer le rechargement des données SSR
+    revalidatePath('/settings/backup');
+    
+    if (result === null) {
+      return {
+        success: true,
+        skipped: true,
+        message: 'Sauvegarde sautée : aucun changement détecté. Utilisez "Forcer" pour créer malgré tout.'
+      };
+    }
+    
+    return {
+      success: true,
+      data: result,
+      message: `Sauvegarde créée : ${result.filename}`
+    };
+  } catch (error) {
+    console.error('Failed to create backup:', error);
+    return {
+      success: false,
+      error: error instanceof Error ? error.message : 'Erreur lors de la création de la sauvegarde'
+    };
+  }
+}
+
+export async function verifyDatabaseAction() {
+  try {
+    await backupService.verifyDatabaseHealth();
+    return {
+      success: true,
+      message: 'Intégrité vérifiée'
+    };
+  } catch (error) {
+    console.error('Database verification failed:', error);
+    return {
+      success: false,
+      error: error instanceof Error ? error.message : 'Vérification échouée'
+    };
+  }
+}
+
+export async function refreshBackupStatsAction() {
+  try {
+    // Cette action sert juste à revalider le cache
+    revalidatePath('/settings/backup');
+    return { success: true };
+  } catch (error) {
+    console.error('Failed to refresh backup stats:', error);
+    return { success: false };
+  }
+}