fix: add missing makeAgent helper, annotateTtlWarning function, and registered_at field in tests

backend/src/routes/registry.js

@@ -48,6 +48,13 @@ function normalizePriceUsdc(value) {
   return normalized;
 }
 
+function annotateTtlWarning(service, currentLedger) {
+  if (currentLedger == null) return service;
+  const expiry = service.registered_at + SERVICE_MAX_TTL;
+  const warnAt = expiry - SERVICE_TTL_WARNING_LEDGERS;
+  return { ...service, ttl_warning: currentLedger >= warnAt };
+}
+
 function parsePositiveSafeInteger(value) {
   if (typeof value === "number") {
     return Number.isSafeInteger(value) && value > 0 ? value : null;

frontend/__tests__/RegistryPage.test.tsx

@@ -25,7 +25,7 @@ function makeServices(count: number) {
     provider: `G${'A'.repeat(55)}`,
     reputation: 100,
     active: true,
-
+    registered_at: 1000,
   }));
 }
 

frontend/lib/sort.test.ts

@@ -1,6 +1,17 @@
 import { sortServices, sortAgents, sortServicesWithTieBreaker, sortAgentsWithTieBreaker } from './sort';
 import type { ServiceEntry, AgentEntry, SortOption, AgentSortOption } from './types';
 
+function makeAgent(overrides: Partial<AgentEntry> = {}): AgentEntry {
+  return {
+    address: 'GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAWFL',
+    score: 0,
+    total_payments: '0',
+    registered_at: '100',
+    active: true,
+    ...overrides,
+  };
+}
+
 function makeService(overrides: Partial<ServiceEntry> = {}): ServiceEntry {
   return {
     id: 1,