feat: punkt 6 (backup) — ARQ cron job, backup config in settings, backup-now trigger, backup history, migration 0130

frontend/src/api/backups.ts

@@ -8,7 +8,7 @@
  * - Delete backup
  */
 
-import { apiGet, apiPost, apiDelete } from './client';
+import { apiGet, apiPost, apiPut, apiDelete } from './client';
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
 
 // ─── Types ──────────────────────────────────────────────────────────────────
@@ -94,3 +94,76 @@ export function useDeleteBackup() {
     },
   });
 }
+
+// ─── Backup Configuration ────────────────────────────────────────────────────
+
+export interface BackupConfig {
+  backup_enabled: boolean;
+  backup_interval: string;
+  backup_retention_days: number;
+  backup_destination: string;
+}
+
+export interface BackupHistoryEntry {
+  id: string;
+  timestamp: string | null;
+  action: string;
+  success: boolean;
+  destination: string;
+  error: string;
+}
+
+export interface BackupHistoryResponse {
+  history: BackupHistoryEntry[];
+}
+
+export async function fetchBackupConfig(): Promise<BackupConfig> {
+  return apiGet<BackupConfig>('/system-settings/backup-config');
+}
+
+export async function updateBackupConfig(config: Partial<BackupConfig>): Promise<BackupConfig> {
+  return apiPut<BackupConfig>('/system-settings/backup-config', config);
+}
+
+export async function triggerBackupNow(): Promise<{ message: string; job_id: string }> {
+  return apiPost<{ message: string; job_id: string }>('/system-settings/backup-now');
+}
+
+export async function fetchBackupHistory(): Promise<BackupHistoryResponse> {
+  return apiGet<BackupHistoryResponse>('/system-settings/backup-history');
+}
+
+export function useBackupConfig() {
+  return useQuery<BackupConfig>({
+    queryKey: ['backup-config'],
+    queryFn: fetchBackupConfig,
+  });
+}
+
+export function useUpdateBackupConfig() {
+  const queryClient = useQueryClient();
+  return useMutation<BackupConfig, Error, Partial<BackupConfig>>({
+    mutationFn: updateBackupConfig,
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ['backup-config'] });
+    },
+  });
+}
+
+export function useTriggerBackupNow() {
+  const queryClient = useQueryClient();
+  return useMutation<{ message: string; job_id: string }, Error>({
+    mutationFn: triggerBackupNow,
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ['backups'] });
+      queryClient.invalidateQueries({ queryKey: ['backup-history'] });
+    },
+  });
+}
+
+export function useBackupHistory() {
+  return useQuery<BackupHistoryResponse>({
+    queryKey: ['backup-history'],
+    queryFn: fetchBackupHistory,
+  });
+}