Make billing catalog dynamic for all runtimes and bill optional service resources.

Derive admin tabs and addon rows from enums, and add Redis/RabbitMQ/ES CPU/RAM/disk to deploy cost using the app runtime unit rates.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/src/billing/pricing-catalog.service.spec.ts

@@ -7,8 +7,10 @@ import {
   AppRuntime,
   BillingCycle,
   DatabaseType,
+  OptionalService,
   PricingResourceType,
 } from '../common/enums';
+import { OPTIONAL_SERVICE_DEPLOY_SPECS } from './pricing-catalog.constants';
 import { CalculateCostDto } from './dto/billing.dto';
 
 describe('PricingCatalogService', () => {
@@ -115,6 +117,38 @@ describe('PricingCatalogService', () => {
     expect(result.yearly).not.toBe(result.monthly * 12);
   });
 
+  it('bills optional service CPU/RAM/storage with same runtime unit rates', () => {
+    const rates = [
+      {
+        runtime: AppRuntime.NODEJS,
+        resourceType: PricingResourceType.CPU_PER_CORE,
+        hourlyPrice: 1000,
+        monthlyPrice: 0,
+        yearlyPrice: 0,
+        isActive: true,
+      },
+      {
+        runtime: AppRuntime.NODEJS,
+        resourceType: PricingResourceType.MEMORY_PER_GB,
+        hourlyPrice: 0,
+        monthlyPrice: 0,
+        yearlyPrice: 0,
+        isActive: true,
+      },
+    ] as PricingRate[];
+
+    const redisCpu = parseFloat(OPTIONAL_SERVICE_DEPLOY_SPECS[OptionalService.REDIS].cpuLimit) / 1000;
+
+    const without = service.computeTotalsWithRates(baseDto(), rates, []);
+    const withRedis = service.computeTotalsWithRates(
+      { ...baseDto(), enableRedis: true },
+      rates,
+      [],
+    );
+
+    expect(withRedis.hourly - without.hourly).toBe(Math.round(redisCpu * 1000));
+  });
+
   it('amountForCycleFromLine picks the correct column', () => {
     const line = { label: 'Test', hourly: 1, monthly: 2, yearly: 3 };
     expect(service.amountForCycleFromLine(line, BillingCycle.HOURLY)).toBe(1);