feat: enhance backup management in AdvancedSettingsPage

- Added backup management functionality to `AdvancedSettingsPageClient`, including creating and verifying backups.
- Updated `package.json` with new backup-related scripts.
- Improved UI to display backup status and next scheduled backup time.
- Updated `.gitignore` to exclude backup files.
- Enhanced server-side data fetching to include backup data and database statistics.

clients/backup-client.ts

@@ -0,0 +1,100 @@
+import { httpClient } from './base/http-client';
+import { BackupInfo, BackupConfig } from '@/services/backup';
+
+export interface BackupListResponse {
+  backups: BackupInfo[];
+  scheduler: {
+    isRunning: boolean;
+    isEnabled: boolean;
+    interval: string;
+    nextBackup: string | null;
+    maxBackups: number;
+    backupPath: string;
+  };
+  config: BackupConfig;
+}
+
+export class BackupClient {
+  private baseUrl = '/backups';
+
+  /**
+   * Liste toutes les sauvegardes disponibles et l'état du scheduler
+   */
+  async listBackups(): Promise<BackupListResponse> {
+    const response = await httpClient.get<{ data: BackupListResponse }>(this.baseUrl);
+    return response.data;
+  }
+
+  /**
+   * Crée une nouvelle sauvegarde manuelle
+   */
+  async createBackup(): Promise<BackupInfo> {
+    const response = await httpClient.post<{ data: BackupInfo }>(this.baseUrl, {
+      action: 'create'
+    });
+    return response.data;
+  }
+
+  /**
+   * Vérifie l'intégrité de la base de données
+   */
+  async verifyDatabase(): Promise<void> {
+    await httpClient.post(this.baseUrl, {
+      action: 'verify'
+    });
+  }
+
+  /**
+   * Met à jour la configuration des sauvegardes
+   */
+  async updateConfig(config: Partial<BackupConfig>): Promise<BackupConfig> {
+    const response = await httpClient.post<{ data: BackupConfig }>(this.baseUrl, {
+      action: 'config',
+      config
+    });
+    return response.data;
+  }
+
+  /**
+   * Démarre ou arrête le planificateur automatique
+   */
+  async toggleScheduler(enabled: boolean): Promise<{
+    isRunning: boolean;
+    isEnabled: boolean;
+    interval: string;
+    nextBackup: string | null;
+    maxBackups: number;
+    backupPath: string;
+  }> {
+    const response = await httpClient.post<{ data: {
+      isRunning: boolean;
+      isEnabled: boolean;
+      interval: string;
+      nextBackup: string | null;
+      maxBackups: number;
+      backupPath: string;
+    } }>(this.baseUrl, {
+      action: 'scheduler',
+      enabled
+    });
+    return response.data;
+  }
+
+  /**
+   * Supprime une sauvegarde
+   */
+  async deleteBackup(filename: string): Promise<void> {
+    await httpClient.delete(`${this.baseUrl}/${filename}`);
+  }
+
+  /**
+   * Restaure une sauvegarde (développement uniquement)
+   */
+  async restoreBackup(filename: string): Promise<void> {
+    await httpClient.post(`${this.baseUrl}/${filename}`, {
+      action: 'restore'
+    });
+  }
+}
+
+export const backupClient = new BackupClient();