M24: implement privacy governance

frontend/src/api/types.ts

@@ -90,6 +90,20 @@ export interface UserRecord {
   active: boolean;
 }
 
+export interface PrivacyRetention {
+  minimum_booking_retention_days: number;
+  audit_retention_days: number;
+  customers_total: number;
+  customers_anonymized: number;
+  customers_eligible: number;
+}
+
+export interface CustomerAnonymizeResult {
+  public_ref: string;
+  anonymized_at: string;
+  status: "anonymized" | "already_anonymized";
+}
+
 export interface Inspection {
   public_ref: string;
   booking_ref: string;