251208:0010 Backend & Frontend Debug

frontend/hooks/use-master-data.ts

@@ -0,0 +1,25 @@
+import { useQuery } from '@tanstack/react-query';
+import { masterDataService } from '@/lib/services/master-data.service';
+
+export const masterDataKeys = {
+  all: ['masterData'] as const,
+  organizations: () => [...masterDataKeys.all, 'organizations'] as const,
+  correspondenceTypes: () => [...masterDataKeys.all, 'correspondenceTypes'] as const,
+  disciplines: (contractId?: number) => [...masterDataKeys.all, 'disciplines', contractId] as const,
+};
+
+export function useOrganizations() {
+  return useQuery({
+    queryKey: masterDataKeys.organizations(),
+    queryFn: () => masterDataService.getOrganizations(),
+  });
+}
+
+export function useDisciplines(contractId?: number) {
+  return useQuery({
+    queryKey: masterDataKeys.disciplines(contractId),
+    queryFn: () => masterDataService.getDisciplines(contractId),
+  });
+}
+
+// Add other master data hooks as needed