various fixes

frontend/src/lib/api.ts

@@ -520,6 +520,27 @@ export const databaseApi = {
     const response = await api.post('/database/clear');
     return response.data;
   },
+
+  backupComplete: async (): Promise<Blob> => {
+    const response = await api.post('/database/backup-complete', {}, {
+      responseType: 'blob'
+    });
+    return response.data;
+  },
+
+  restoreComplete: async (file: File): Promise<{ success: boolean; message: string }> => {
+    const formData = new FormData();
+    formData.append('file', file);
+    const response = await api.post('/database/restore-complete', formData, {
+      headers: { 'Content-Type': 'multipart/form-data' },
+    });
+    return response.data;
+  },
+
+  clearComplete: async (): Promise<{ success: boolean; message: string; deletedRecords?: number }> => {
+    const response = await api.post('/database/clear-complete');
+    return response.data;
+  },
 };
 
 // Image utility