Replace billing plans with per-runtime usage pricing catalog.

Store explicit hourly/monthly/yearly rates in pricing_rates and addon_rates, compute deploy costs without cycle conversion, and simplify admin UI and wallet payment to cycle-only.

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

backend/src/billing/billing.controller.ts

@@ -21,15 +21,15 @@ import { AppLifecycleService } from '../lifecycle/app-lifecycle.service';
 import { ApplicationsService } from '../applications/applications.service';
 import { KubernetesService } from '../kubernetes/kubernetes.service';
 import {
-  CreateServicePlanDto,
-  UpdateServicePlanDto,
   ChargeWalletDto,
   CalculateCostDto,
   CalculateDeployCostDto,
+  SetOptionalServicesPricingDto,
   RenewApplicationDto,
   UpgradeResourcesDto,
   CalculateUpgradeCostDto,
 } from './dto/billing.dto';
+import { UpdatePricingCatalogDto } from './dto/pricing-catalog.dto';
 import { RolesGuard } from '../common/guards/roles.guard';
 import { Roles } from '../common/decorators/roles.decorator';
 import { UserRole, BillingCycle, AppLifecycleStatus } from '../common/enums';
@@ -49,43 +49,20 @@ export class BillingController {
     private readonly kubernetesService: KubernetesService,
   ) {}
 
-  // ─── Service Plans (Admin) ────────────────────────────────────────
+  // ─── Pricing catalog (Admin) ──────────────────────────────────────
 
-  @Post('plans')
+  @Get('pricing-catalog')
   @Roles(UserRole.ADMIN)
-  @ApiOperation({ summary: 'Create a new service plan (Admin)' })
-  async createPlan(@Body() dto: CreateServicePlanDto) {
-    return this.billingService.createPlan(dto);
+  @ApiOperation({ summary: 'Get usage-based pricing catalog (Admin)' })
+  async getPricingCatalog() {
+    return this.billingService.getPricingCatalog();
   }
 
-  @Get('plans')
-  @ApiOperation({ summary: 'List all service plans' })
-  async findAllPlans(@Request() req: any) {
-    if (req.user.role === UserRole.ADMIN) {
-      return this.billingService.findAllPlans();
-    }
-    return this.billingService.findActivePlans();
-  }
-
-  @Get('plans/:id')
-  @ApiOperation({ summary: 'Get service plan details' })
-  async findPlan(@Param('id') id: string) {
-    return this.billingService.findPlan(id);
-  }
-
-  @Patch('plans/:id')
+  @Patch('pricing-catalog')
   @Roles(UserRole.ADMIN)
-  @ApiOperation({ summary: 'Update a service plan (Admin)' })
-  async updatePlan(@Param('id') id: string, @Body() dto: UpdateServicePlanDto) {
-    return this.billingService.updatePlan(id, dto);
-  }
-
-  @Delete('plans/:id')
-  @Roles(UserRole.ADMIN)
-  @ApiOperation({ summary: 'Delete a service plan (Admin)' })
-  async deletePlan(@Param('id') id: string) {
-    await this.billingService.deletePlan(id);
-    return { message: 'Plan deleted' };
+  @ApiOperation({ summary: 'Update usage-based pricing catalog (Admin)' })
+  async updatePricingCatalog(@Body() dto: UpdatePricingCatalogDto) {
+    return this.billingService.updatePricingCatalog(dto);
   }
 
   // ─── Cost Calculation ─────────────────────────────────────────────
@@ -125,6 +102,19 @@ export class BillingController {
     return this.billingService.setCustomDomainPrice(body.monthlyPrice);
   }
 
+  @Get('settings/optional-services')
+  @ApiOperation({ summary: 'Get global optional service addon prices (Redis, RabbitMQ, Elasticsearch)' })
+  async getOptionalServicesPricing() {
+    return this.billingService.getOptionalServicesPricing();
+  }
+
+  @Patch('settings/optional-services')
+  @Roles(UserRole.ADMIN)
+  @ApiOperation({ summary: 'Set global optional service addon prices (Admin)' })
+  async setOptionalServicesPricing(@Body() dto: SetOptionalServicesPricingDto) {
+    return this.billingService.setOptionalServicesPricing(dto);
+  }
+
   // ─── Wallet (User) ───────────────────────────────────────────────
 
   @Get('wallet')
@@ -157,7 +147,7 @@ export class BillingController {
   async payForApplication(
     @Request() req: any,
     @Param('applicationId') applicationId: string,
-    @Body() body: { planId?: string; cycle: string; amount?: number },
+    @Body() body: { cycle: string },
   ) {
     const cycle = body.cycle as BillingCycle;
     if (!Object.values(BillingCycle).includes(cycle)) {
@@ -166,32 +156,6 @@ export class BillingController {
 
     const app = await this.applicationsService.findOne(applicationId, req.user.id);
 
-    let amount = body.amount;
-    let planId = body.planId || app.planId || '';
-
-    if (amount === undefined || amount === null) {
-      if (!body.planId) {
-        throw new BadRequestException('planId or amount is required');
-      }
-      const plan = await this.billingService.findPlan(body.planId);
-      const costs = await this.billingService.calculateCostForApp({
-        runtime: app.runtime,
-        databaseType: app.databaseType,
-        cpuLimit: app.cpuLimit,
-        memoryLimit: app.memoryLimit,
-        replicas: app.replicas,
-        dbStorageSize: app.dbStorageSize,
-        appStorageSize: app.appStorageSize,
-        enableRedis: app.enableRedis,
-        enableRabbitmq: app.enableRabbitmq,
-        enableElasticsearch: app.enableElasticsearch,
-      });
-      amount = cycle === BillingCycle.HOURLY ? costs.hourly
-        : cycle === BillingCycle.MONTHLY ? costs.monthly
-        : costs.yearly;
-      planId = body.planId;
-    }
-
     const payment = await this.billingService.resolveAppPayment(
       req.user.id,
       app,
@@ -211,7 +175,6 @@ export class BillingController {
     const activated = await this.lifecycleService.activateApp(
       applicationId,
       cycle,
-      planId,
       payment.planExpiresAt,
     );
 
@@ -348,7 +311,7 @@ export class BillingController {
     );
 
     // Activate the application
-    const renewedApp = await this.lifecycleService.activateApp(app.id, dto.cycle, app.planId || '');
+    const renewedApp = await this.lifecycleService.activateApp(app.id, dto.cycle);
 
     return {
       success: true,
@@ -381,7 +344,7 @@ export class BillingController {
 
     if (body.bypassPayment) {
       // Direct activation without payment (for special cases, support, etc.)
-      const renewedApp = await this.lifecycleService.activateApp(app.id, cycle, app.planId || '');
+      const renewedApp = await this.lifecycleService.activateApp(app.id, cycle);
       return {
         success: true,
         bypassedPayment: true,
@@ -409,7 +372,7 @@ export class BillingController {
       app.id,
     );
 
-    const renewedApp = await this.lifecycleService.activateApp(app.id, cycle, app.planId || '');
+    const renewedApp = await this.lifecycleService.activateApp(app.id, cycle);
 
     return {
       success: true,

backend/src/billing/billing.module.ts

@@ -2,11 +2,11 @@ import { Module, forwardRef } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { BillingService } from './billing.service';
 import { BillingController } from './billing.controller';
-import { ServicePlan } from './entities/service-plan.entity';
-import { PricingRule } from './entities/pricing-rule.entity';
+import { PricingCatalogService } from './pricing-catalog.service';
+import { PricingRate } from './entities/pricing-rate.entity';
+import { AddonRate } from './entities/addon-rate.entity';
 import { Wallet } from './entities/wallet.entity';
 import { WalletTransaction } from './entities/wallet-transaction.entity';
-import { PlatformSetting } from './entities/platform-setting.entity';
 import { ResourceCredit } from './entities/resource-credit.entity';
 import { LifecycleModule } from '../lifecycle/lifecycle.module';
 import { ApplicationsModule } from '../applications/applications.module';
@@ -14,13 +14,19 @@ import { KubernetesModule } from '../kubernetes/kubernetes.module';
 
 @Module({
   imports: [
-    TypeOrmModule.forFeature([ServicePlan, PricingRule, Wallet, WalletTransaction, PlatformSetting, ResourceCredit]),
+    TypeOrmModule.forFeature([
+      PricingRate,
+      AddonRate,
+      Wallet,
+      WalletTransaction,
+      ResourceCredit,
+    ]),
     forwardRef(() => LifecycleModule),
     forwardRef(() => ApplicationsModule),
     forwardRef(() => KubernetesModule),
   ],
   controllers: [BillingController],
-  providers: [BillingService],
-  exports: [BillingService],
+  providers: [BillingService, PricingCatalogService],
+  exports: [BillingService, PricingCatalogService],
 })
 export class BillingModule {}

backend/src/billing/billing.service.ts

@@ -1,108 +1,41 @@
-import { Injectable, Logger, BadRequestException, NotFoundException } from '@nestjs/common';
+import { Injectable, Logger, BadRequestException } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
-import { Repository } from 'typeorm';
-import { ServicePlan } from './entities/service-plan.entity';
-import { PricingRule } from './entities/pricing-rule.entity';
+import { Repository, IsNull, MoreThan } from 'typeorm';
 import { Wallet } from './entities/wallet.entity';
 import { WalletTransaction } from './entities/wallet-transaction.entity';
-import { PlatformSetting } from './entities/platform-setting.entity';
-import { TransactionType, BillingCycle, PricingResourceType, DatabaseType } from '../common/enums';
-import {
-  CreateServicePlanDto,
-  UpdateServicePlanDto,
-  CalculateCostDto,
-  UpgradeResourcesDto,
-} from './dto/billing.dto';
+import { TransactionType, BillingCycle, DatabaseType } from '../common/enums';
+import { CalculateCostDto, UpgradeResourcesDto } from './dto/billing.dto';
+import { UpdatePricingCatalogDto } from './dto/pricing-catalog.dto';
 import { Application } from '../applications/entities/application.entity';
 import { ResourceCredit } from './entities/resource-credit.entity';
-import { IsNull, MoreThan } from 'typeorm';
+import { PricingCatalogService } from './pricing-catalog.service';
 
 @Injectable()
 export class BillingService {
   private readonly logger = new Logger(BillingService.name);
 
   constructor(
-    @InjectRepository(ServicePlan) private planRepo: Repository<ServicePlan>,
-    @InjectRepository(PricingRule) private ruleRepo: Repository<PricingRule>,
+    private readonly pricingCatalog: PricingCatalogService,
     @InjectRepository(Wallet) private walletRepo: Repository<Wallet>,
     @InjectRepository(WalletTransaction) private txRepo: Repository<WalletTransaction>,
-    @InjectRepository(PlatformSetting) private settingsRepo: Repository<PlatformSetting>,
     @InjectRepository(ResourceCredit) private creditRepo: Repository<ResourceCredit>,
   ) {}
 
-  // ─── Service Plans ────────────────────────────────────────────────
+  // ─── Pricing catalog (Admin) ──────────────────────────────────────
 
-  async createPlan(dto: CreateServicePlanDto): Promise<ServicePlan> {
-    const plan = this.planRepo.create({
-      name: dto.name,
-      runtime: dto.runtime,
-      description: dto.description,
-      billingCycle: dto.billingCycle,
-    });
-    const saved = await this.planRepo.save(plan);
-
-    // Create pricing rules
-    const rules = dto.pricingRules.map((r) =>
-      this.ruleRepo.create({ ...r, planId: saved.id }),
-    );
-    await this.ruleRepo.save(rules);
-
-    return this.planRepo.findOne({ where: { id: saved.id }, relations: ['pricingRules'] }) as Promise<ServicePlan>;
+  getPricingCatalog() {
+    return this.pricingCatalog.getCatalog();
   }
 
-  async updatePlan(id: string, dto: UpdateServicePlanDto): Promise<ServicePlan> {
-    const plan = await this.planRepo.findOne({ where: { id }, relations: ['pricingRules'] });
-    if (!plan) throw new NotFoundException('Plan not found');
-
-    if (dto.name !== undefined) plan.name = dto.name;
-    if (dto.runtime !== undefined) plan.runtime = dto.runtime;
-    if (dto.description !== undefined) plan.description = dto.description;
-    if (dto.billingCycle !== undefined) plan.billingCycle = dto.billingCycle;
-    if (dto.isActive !== undefined) plan.isActive = dto.isActive;
-
-    await this.planRepo.save(plan);
-
-    // If pricing rules are provided, replace them
-    if (dto.pricingRules) {
-      await this.ruleRepo.delete({ planId: id });
-      const rules = dto.pricingRules.map((r) =>
-        this.ruleRepo.create({ ...r, planId: id }),
-      );
-      await this.ruleRepo.save(rules);
-    }
-
-    return this.planRepo.findOne({ where: { id }, relations: ['pricingRules'] }) as Promise<ServicePlan>;
-  }
-
-  async deletePlan(id: string): Promise<void> {
-    const plan = await this.planRepo.findOne({ where: { id } });
-    if (!plan) throw new NotFoundException('Plan not found');
-    await this.planRepo.remove(plan);
-  }
-
-  async findAllPlans(): Promise<ServicePlan[]> {
-    return this.planRepo.find({ relations: ['pricingRules'], order: { createdAt: 'DESC' } });
-  }
-
-  async findActivePlans(): Promise<ServicePlan[]> {
-    return this.planRepo.find({
-      where: { isActive: true },
-      relations: ['pricingRules'],
-      order: { createdAt: 'DESC' },
-    });
-  }
-
-  async findPlan(id: string): Promise<ServicePlan> {
-    const plan = await this.planRepo.findOne({ where: { id }, relations: ['pricingRules'] });
-    if (!plan) throw new NotFoundException('Plan not found');
-    return plan;
+  updatePricingCatalog(dto: UpdatePricingCatalogDto) {
+    return this.pricingCatalog.updateCatalog(dto);
   }
 
   // ─── Cost Calculation ─────────────────────────────────────────────
 
   /**
-   * Calculate cost for an application config against all active plans.
-   * Returns breakdown for each billing cycle (hourly, monthly, yearly).
+   * Calculate cost from the usage pricing catalog.
+   * Each billing cycle uses its own price column — no cross-cycle conversion.
    */
   async calculateCost(dto: CalculateCostDto): Promise<{
     hourly: number;
@@ -110,165 +43,29 @@ export class BillingService {
     yearly: number;
     breakdown: { label: string; hourly: number; monthly: number; yearly: number }[];
   }> {
-    // Only use active plans that match the requested runtime
-    const plans = await this.planRepo.find({
-      where: { isActive: true, runtime: dto.runtime as any },
-      relations: ['pricingRules'],
-    });
-
-    if (plans.length === 0) {
-      return { hourly: 0, monthly: 0, yearly: 0, breakdown: [] };
-    }
-
-    // Gather all active pricing rules across all plans, grouped by cycle
-    const hourlyRules: PricingRule[] = [];
-    const monthlyRules: PricingRule[] = [];
-    const yearlyRules: PricingRule[] = [];
-
-    for (const plan of plans) {
-      switch (plan.billingCycle) {
-        case BillingCycle.HOURLY: hourlyRules.push(...plan.pricingRules); break;
-        case BillingCycle.MONTHLY: monthlyRules.push(...plan.pricingRules); break;
-        case BillingCycle.YEARLY: yearlyRules.push(...plan.pricingRules); break;
-      }
-    }
-
-    // Use the first available set of rules, or compute cross-conversions
-    const rules = hourlyRules.length > 0 ? hourlyRules : monthlyRules.length > 0 ? monthlyRules : yearlyRules;
-    const baseCycle = hourlyRules.length > 0 ? 'hourly' : monthlyRules.length > 0 ? 'monthly' : 'yearly';
-
-    // Parse resource values
-    const cpuCores = this.parseCpuToCores(dto.cpuLimit);
-    const memoryGb = this.parseMemoryToGb(dto.memoryLimit);
-    const dbStorageGb = dto.dbStorageSize ? parseFloat(dto.dbStorageSize.replace('Gi', '')) || 0 : 0;
-    const appStorageGb = dto.appStorageSize ? parseFloat(dto.appStorageSize.replace('Gi', '')) || 0 : 0;
-    const totalStorageGb = dbStorageGb + appStorageGb;
-    const hasDatabase = dto.databaseType !== 'none';
-    const replicas = dto.replicas || 1;
-    const hasRedis = dto.enableRedis || false;
-    const hasRabbitmq = dto.enableRabbitmq || false;
-    const hasElasticsearch = dto.enableElasticsearch || false;
-    const hasCustomDomain = dto.enableCustomDomain || false;
-
-    const breakdown: { label: string; hourly: number; monthly: number; yearly: number }[] = [];
-    let totalBase = 0;
-
-    for (const rule of rules) {
-      let cost = 0;
-      let label = '';
-
-      switch (rule.resourceType) {
-        case PricingResourceType.BASE_FEE:
-          cost = Number(rule.unitPrice);
-          label = 'Base fee';
-          break;
-        case PricingResourceType.CPU_PER_CORE:
-          cost = cpuCores * replicas * Number(rule.unitPrice);
-          label = `CPU (${(cpuCores * replicas).toFixed(2)} core)`;
-          break;
-        case PricingResourceType.MEMORY_PER_GB:
-          cost = memoryGb * replicas * Number(rule.unitPrice);
-          label = `Memory (${(memoryGb * replicas).toFixed(2)} GB)`;
-          break;
-        case PricingResourceType.STORAGE_PER_GB:
-          cost = totalStorageGb * Number(rule.unitPrice);
-          label = `Storage (${totalStorageGb} GB)`;
-          break;
-        case PricingResourceType.DATABASE_ADDON:
-          cost = hasDatabase ? Number(rule.unitPrice) : 0;
-          label = 'Database addon';
-          break;
-        case PricingResourceType.REDIS_ADDON:
-          cost = hasRedis ? Number(rule.unitPrice) : 0;
-          label = 'Redis addon';
-          break;
-        case PricingResourceType.RABBITMQ_ADDON:
-          cost = hasRabbitmq ? Number(rule.unitPrice) : 0;
-          label = 'RabbitMQ addon';
-          break;
-        case PricingResourceType.ELASTICSEARCH_ADDON:
-          cost = hasElasticsearch ? Number(rule.unitPrice) : 0;
-          label = 'Elasticsearch addon';
-          break;
-        case PricingResourceType.CUSTOM_DOMAIN_ADDON:
-          cost = hasCustomDomain ? Number(rule.unitPrice) : 0;
-          label = 'Custom domain + SSL';
-          break;
-      }
-
-      if (cost > 0) {
-        const hourly = baseCycle === 'hourly' ? cost : baseCycle === 'monthly' ? cost / 720 : cost / 8640;
-        const monthly = baseCycle === 'monthly' ? cost : baseCycle === 'hourly' ? cost * 720 : cost / 12;
-        const yearly = baseCycle === 'yearly' ? cost : baseCycle === 'monthly' ? cost * 12 : cost * 8640;
-
-        breakdown.push({ label, hourly: Math.round(hourly), monthly: Math.round(monthly), yearly: Math.round(yearly) });
-        totalBase += cost;
-      }
-    }
-
-    // If custom domain is enabled but no CUSTOM_DOMAIN_ADDON rule exists, use PlatformSetting price
-    if (hasCustomDomain && !breakdown.some((b) => b.label === 'Custom domain + SSL')) {
-      const setting = await this.settingsRepo.findOne({ where: { key: 'custom_domain_monthly_price_toman' } });
-      const monthlyPrice = setting ? Number(setting.value) : 0;
-      if (monthlyPrice > 0) {
-        const hourly = Math.round(monthlyPrice / 720);
-        const yearly = monthlyPrice * 12;
-        breakdown.push({ label: 'Custom domain + SSL', hourly, monthly: monthlyPrice, yearly });
-        totalBase += baseCycle === 'monthly' ? monthlyPrice : baseCycle === 'hourly' ? hourly : yearly;
-      }
-    }
-
-    const hourlyTotal = baseCycle === 'hourly' ? totalBase : baseCycle === 'monthly' ? totalBase / 720 : totalBase / 8640;
-    const monthlyTotal = baseCycle === 'monthly' ? totalBase : baseCycle === 'hourly' ? totalBase * 720 : totalBase / 12;
-    const yearlyTotal = baseCycle === 'yearly' ? totalBase : baseCycle === 'monthly' ? totalBase * 12 : totalBase * 8640;
-
-    return {
-      hourly: Math.round(hourlyTotal),
-      monthly: Math.round(monthlyTotal),
-      yearly: Math.round(yearlyTotal),
-      breakdown,
-    };
+    return this.pricingCatalog.computeTotalsFromDb(dto);
   }
 
-  private parseCpuToCores(cpu: string): number {
-    if (!cpu) return 0;
-    if (cpu.endsWith('m')) return parseFloat(cpu) / 1000;
-    return parseFloat(cpu) || 0;
+  // ─── Optional services & custom domain (delegates to catalog) ─────
+
+  getOptionalServicesPricing() {
+    return this.pricingCatalog.getOptionalServicesPricing();
   }
 
-  private parseMemoryToGb(memory: string): number {
-    if (!memory) return 0;
-    if (memory.endsWith('Gi')) return parseFloat(memory);
-    if (memory.endsWith('Mi')) return parseFloat(memory) / 1024;
-    if (memory.endsWith('Ki')) return parseFloat(memory) / (1024 * 1024);
-    return parseFloat(memory) / (1024 * 1024 * 1024);
+  setOptionalServicesPricing(pricing: {
+    redis: { hourly: number; monthly: number; yearly: number };
+    rabbitmq: { hourly: number; monthly: number; yearly: number };
+    elasticsearch: { hourly: number; monthly: number; yearly: number };
+  }) {
+    return this.pricingCatalog.setOptionalServicesPricing(pricing);
   }
 
-  // ─── Custom Domain Pricing (PlatformSetting) ────────────────────
-
-  async getCustomDomainPrice(): Promise<{ monthlyPrice: number }> {
-    const setting = await this.settingsRepo.findOne({
-      where: { key: 'custom_domain_monthly_price_toman' },
-    });
-    return { monthlyPrice: setting ? Number(setting.value) : 0 };
+  getCustomDomainPrice() {
+    return this.pricingCatalog.getCustomDomainPrice();
   }
 
-  async setCustomDomainPrice(monthlyPrice: number): Promise<{ monthlyPrice: number }> {
-    let setting = await this.settingsRepo.findOne({
-      where: { key: 'custom_domain_monthly_price_toman' },
-    });
-    if (setting) {
-      setting.value = String(monthlyPrice);
-    } else {
-      setting = this.settingsRepo.create({
-        key: 'custom_domain_monthly_price_toman',
-        value: String(monthlyPrice),
-        description: 'Monthly price for custom domain addon (Toman)',
-      });
-    }
-    await this.settingsRepo.save(setting);
-    this.logger.log(`Custom domain monthly price updated: ${monthlyPrice} Toman`);
-    return { monthlyPrice };
+  setCustomDomainPrice(monthlyPrice: number) {
+    return this.pricingCatalog.setCustomDomainPrice(monthlyPrice);
   }
 
   // ─── Wallet ───────────────────────────────────────────────────────
@@ -604,11 +401,15 @@ export class BillingService {
     ) {
       return false;
     }
-    if (this.parseCpuToCores(config.cpuLimit) > this.parseCpuToCores(credit.cpuLimit)) {
+    if (
+      this.pricingCatalog.parseCpuToCores(config.cpuLimit) >
+      this.pricingCatalog.parseCpuToCores(credit.cpuLimit)
+    ) {
       return false;
     }
     if (
-      this.parseMemoryToGb(config.memoryLimit) > this.parseMemoryToGb(credit.memoryLimit)
+      this.pricingCatalog.parseMemoryToGb(config.memoryLimit) >
+      this.pricingCatalog.parseMemoryToGb(credit.memoryLimit)
     ) {
       return false;
     }
@@ -754,8 +555,12 @@ export class BillingService {
     for (const hint of labelHints) {
       const afterLine = after.breakdown.find((b) => b.label === hint);
       const beforeLine = before.breakdown.find((b) => b.label === hint);
-      const afterAmt = afterLine ? this.amountForCycle(afterLine, cycle) : 0;
-      const beforeAmt = beforeLine ? this.amountForCycle(beforeLine, cycle) : 0;
+      const afterAmt = afterLine
+        ? this.pricingCatalog.amountForCycleFromLine(afterLine, cycle)
+        : 0;
+      const beforeAmt = beforeLine
+        ? this.pricingCatalog.amountForCycleFromLine(beforeLine, cycle)
+        : 0;
       sum += Math.max(0, afterAmt - beforeAmt);
     }
     return sum;
@@ -775,7 +580,10 @@ export class BillingService {
     const items: { label: string; amount: number; fullPeriodAmount?: number }[] = [];
     const baseline = this.creditBaselineDto(credit);
 
-    if (this.parseCpuToCores(config.cpuLimit) > this.parseCpuToCores(credit.cpuLimit)) {
+    if (
+      this.pricingCatalog.parseCpuToCores(config.cpuLimit) >
+      this.pricingCatalog.parseCpuToCores(credit.cpuLimit)
+    ) {
       await this.addExtraLineProrated(
         items,
         baseline,
@@ -785,7 +593,10 @@ export class BillingService {
       );
     }
 
-    if (this.parseMemoryToGb(config.memoryLimit) > this.parseMemoryToGb(credit.memoryLimit)) {
+    if (
+      this.pricingCatalog.parseMemoryToGb(config.memoryLimit) >
+      this.pricingCatalog.parseMemoryToGb(credit.memoryLimit)
+    ) {
       await this.addExtraLineProrated(
         items,
         baseline,

backend/src/billing/dto/billing.dto.ts

@@ -197,3 +197,39 @@ export class UpgradeResourcesDto {
 
 export class CalculateUpgradeCostDto extends UpgradeResourcesDto {}
 
+// ─── Platform optional services pricing (Admin) ─────────────────────
+
+export class OptionalServiceCyclePricesDto {
+  @ApiProperty({ example: 500 })
+  @IsNumber()
+  @Min(0)
+  hourly: number;
+
+  @ApiProperty({ example: 50000 })
+  @IsNumber()
+  @Min(0)
+  monthly: number;
+
+  @ApiProperty({ example: 500000 })
+  @IsNumber()
+  @Min(0)
+  yearly: number;
+}
+
+export class SetOptionalServicesPricingDto {
+  @ApiProperty({ type: OptionalServiceCyclePricesDto })
+  @ValidateNested()
+  @Type(() => OptionalServiceCyclePricesDto)
+  redis: OptionalServiceCyclePricesDto;
+
+  @ApiProperty({ type: OptionalServiceCyclePricesDto })
+  @ValidateNested()
+  @Type(() => OptionalServiceCyclePricesDto)
+  rabbitmq: OptionalServiceCyclePricesDto;
+
+  @ApiProperty({ type: OptionalServiceCyclePricesDto })
+  @ValidateNested()
+  @Type(() => OptionalServiceCyclePricesDto)
+  elasticsearch: OptionalServiceCyclePricesDto;
+}
+

backend/src/billing/dto/pricing-catalog.dto.ts

@@ -0,0 +1,58 @@
+import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
+import {
+  IsArray,
+  IsBoolean,
+  IsEnum,
+  IsNumber,
+  IsObject,
+  IsOptional,
+  Min,
+  ValidateNested,
+} from 'class-validator';
+import { Type } from 'class-transformer';
+import { AppRuntime, PricingResourceType } from '../../common/enums';
+
+export class PricingRateRowDto {
+  @ApiProperty({ enum: PricingResourceType })
+  @IsEnum(PricingResourceType)
+  resourceType: PricingResourceType;
+
+  @ApiProperty({ example: 500 })
+  @IsNumber()
+  @Min(0)
+  hourlyPrice: number;
+
+  @ApiProperty({ example: 50000 })
+  @IsNumber()
+  @Min(0)
+  monthlyPrice: number;
+
+  @ApiProperty({ example: 500000 })
+  @IsNumber()
+  @Min(0)
+  yearlyPrice: number;
+
+  @ApiPropertyOptional()
+  @IsOptional()
+  @IsBoolean()
+  isActive?: boolean;
+}
+
+export class UpdatePricingCatalogDto {
+  @ApiPropertyOptional({
+    description: 'Per-runtime pricing rows keyed by runtime',
+    example: {
+      nodejs: [{ resourceType: 'base_fee', hourlyPrice: 0, monthlyPrice: 10000, yearlyPrice: 100000 }],
+    },
+  })
+  @IsOptional()
+  @IsObject()
+  runtimes?: Partial<Record<AppRuntime, PricingRateRowDto[]>>;
+
+  @ApiPropertyOptional({ type: [PricingRateRowDto] })
+  @IsOptional()
+  @IsArray()
+  @ValidateNested({ each: true })
+  @Type(() => PricingRateRowDto)
+  addons?: PricingRateRowDto[];
+}

backend/src/billing/entities/addon-rate.entity.ts

@@ -0,0 +1,35 @@
+import {
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  CreateDateColumn,
+  UpdateDateColumn,
+} from 'typeorm';
+import { PricingResourceType } from '../../common/enums';
+
+@Entity('addon_rates')
+export class AddonRate {
+  @PrimaryGeneratedColumn('uuid')
+  id: string;
+
+  @Column({ type: 'enum', enum: PricingResourceType, unique: true })
+  resourceType: PricingResourceType;
+
+  @Column({ type: 'decimal', precision: 12, scale: 2, default: 0 })
+  hourlyPrice: number;
+
+  @Column({ type: 'decimal', precision: 12, scale: 2, default: 0 })
+  monthlyPrice: number;
+
+  @Column({ type: 'decimal', precision: 12, scale: 2, default: 0 })
+  yearlyPrice: number;
+
+  @Column({ default: true })
+  isActive: boolean;
+
+  @CreateDateColumn()
+  createdAt: Date;
+
+  @UpdateDateColumn()
+  updatedAt: Date;
+}

backend/src/billing/entities/pricing-rate.entity.ts

@@ -0,0 +1,40 @@
+import {
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  CreateDateColumn,
+  UpdateDateColumn,
+  Unique,
+} from 'typeorm';
+import { AppRuntime, PricingResourceType } from '../../common/enums';
+
+@Entity('pricing_rates')
+@Unique(['runtime', 'resourceType'])
+export class PricingRate {
+  @PrimaryGeneratedColumn('uuid')
+  id: string;
+
+  @Column({ type: 'enum', enum: AppRuntime })
+  runtime: AppRuntime;
+
+  @Column({ type: 'enum', enum: PricingResourceType })
+  resourceType: PricingResourceType;
+
+  @Column({ type: 'decimal', precision: 12, scale: 2, default: 0 })
+  hourlyPrice: number;
+
+  @Column({ type: 'decimal', precision: 12, scale: 2, default: 0 })
+  monthlyPrice: number;
+
+  @Column({ type: 'decimal', precision: 12, scale: 2, default: 0 })
+  yearlyPrice: number;
+
+  @Column({ default: true })
+  isActive: boolean;
+
+  @CreateDateColumn()
+  createdAt: Date;
+
+  @UpdateDateColumn()
+  updatedAt: Date;
+}

backend/src/billing/pricing-catalog.constants.ts

@@ -0,0 +1,34 @@
+import { AppRuntime, PricingResourceType } from '../common/enums';
+
+export const BILLING_RUNTIMES: AppRuntime[] = [
+  AppRuntime.NODEJS,
+  AppRuntime.LARAVEL,
+  AppRuntime.WORDPRESS,
+];
+
+export const RUNTIME_PRICING_RESOURCES: PricingResourceType[] = [
+  PricingResourceType.BASE_FEE,
+  PricingResourceType.CPU_PER_CORE,
+  PricingResourceType.MEMORY_PER_GB,
+  PricingResourceType.STORAGE_PER_GB,
+  PricingResourceType.DATABASE_ADDON,
+];
+
+export const ADDON_PRICING_RESOURCES: PricingResourceType[] = [
+  PricingResourceType.REDIS_ADDON,
+  PricingResourceType.RABBITMQ_ADDON,
+  PricingResourceType.ELASTICSEARCH_ADDON,
+  PricingResourceType.CUSTOM_DOMAIN_ADDON,
+];
+
+export const RESOURCE_LABELS: Record<PricingResourceType, string> = {
+  [PricingResourceType.BASE_FEE]: 'Base fee',
+  [PricingResourceType.CPU_PER_CORE]: 'CPU (per core)',
+  [PricingResourceType.MEMORY_PER_GB]: 'Memory (per GB)',
+  [PricingResourceType.STORAGE_PER_GB]: 'Storage (per GB)',
+  [PricingResourceType.DATABASE_ADDON]: 'Database addon',
+  [PricingResourceType.REDIS_ADDON]: 'Redis addon',
+  [PricingResourceType.RABBITMQ_ADDON]: 'RabbitMQ addon',
+  [PricingResourceType.ELASTICSEARCH_ADDON]: 'Elasticsearch addon',
+  [PricingResourceType.CUSTOM_DOMAIN_ADDON]: 'Custom domain + SSL',
+};

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

@@ -0,0 +1,124 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { getRepositoryToken } from '@nestjs/typeorm';
+import { PricingCatalogService } from './pricing-catalog.service';
+import { PricingRate } from './entities/pricing-rate.entity';
+import { AddonRate } from './entities/addon-rate.entity';
+import {
+  AppRuntime,
+  BillingCycle,
+  DatabaseType,
+  PricingResourceType,
+} from '../common/enums';
+import { CalculateCostDto } from './dto/billing.dto';
+
+describe('PricingCatalogService', () => {
+  let service: PricingCatalogService;
+
+  const rateRepo = {
+    find: jest.fn().mockResolvedValue([]),
+    findOne: jest.fn().mockResolvedValue(null),
+    save: jest.fn().mockImplementation((x) => Promise.resolve(x)),
+    create: jest.fn().mockImplementation((x) => x),
+  };
+
+  const addonRepo = {
+    find: jest.fn().mockResolvedValue([]),
+    findOne: jest.fn().mockResolvedValue(null),
+    save: jest.fn().mockImplementation((x) => Promise.resolve(x)),
+    create: jest.fn().mockImplementation((x) => x),
+  };
+
+  beforeEach(async () => {
+    jest.clearAllMocks();
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [
+        PricingCatalogService,
+        { provide: getRepositoryToken(PricingRate), useValue: rateRepo },
+        { provide: getRepositoryToken(AddonRate), useValue: addonRepo },
+      ],
+    }).compile();
+
+    service = module.get(PricingCatalogService);
+  });
+
+  const baseDto = (): CalculateCostDto => ({
+    runtime: 'nodejs',
+    databaseType: DatabaseType.NONE,
+    cpuLimit: '500m',
+    memoryLimit: '512Mi',
+    replicas: 1,
+  });
+
+  it('parses CPU millicores to cores', () => {
+    expect(service.parseCpuToCores('500m')).toBe(0.5);
+    expect(service.parseCpuToCores('2')).toBe(2);
+  });
+
+  it('computes CPU line with cycle-native prices (no conversion)', () => {
+    const rates = [
+      {
+        runtime: AppRuntime.NODEJS,
+        resourceType: PricingResourceType.CPU_PER_CORE,
+        hourlyPrice: 100,
+        monthlyPrice: 5000,
+        yearlyPrice: 50000,
+        isActive: true,
+      },
+    ] as PricingRate[];
+
+    const result = service.computeTotalsWithRates(baseDto(), rates, []);
+    expect(result.hourly).toBe(50);
+    expect(result.monthly).toBe(2500);
+    expect(result.yearly).toBe(25000);
+    expect(result.breakdown[0].label).toContain('CPU');
+  });
+
+  it('includes redis addon only when enabled', () => {
+    const addons = [
+      {
+        resourceType: PricingResourceType.REDIS_ADDON,
+        hourlyPrice: 10,
+        monthlyPrice: 100,
+        yearlyPrice: 1000,
+        isActive: true,
+      },
+    ] as AddonRate[];
+
+    const without = service.computeTotalsWithRates(baseDto(), [], addons);
+    expect(without.monthly).toBe(0);
+
+    const withRedis = service.computeTotalsWithRates(
+      { ...baseDto(), enableRedis: true },
+      [],
+      addons,
+    );
+    expect(withRedis.monthly).toBe(100);
+    expect(withRedis.yearly).toBe(1000);
+    expect(withRedis.hourly).toBe(10);
+  });
+
+  it('yearly deploy uses yearly column not monthly * 12', () => {
+    const rates = [
+      {
+        runtime: AppRuntime.NODEJS,
+        resourceType: PricingResourceType.BASE_FEE,
+        hourlyPrice: 1,
+        monthlyPrice: 100,
+        yearlyPrice: 999,
+        isActive: true,
+      },
+    ] as PricingRate[];
+
+    const result = service.computeTotalsWithRates(baseDto(), rates, []);
+    expect(result.yearly).toBe(999);
+    expect(result.monthly).toBe(100);
+    expect(result.yearly).not.toBe(result.monthly * 12);
+  });
+
+  it('amountForCycleFromLine picks the correct column', () => {
+    const line = { label: 'Test', hourly: 1, monthly: 2, yearly: 3 };
+    expect(service.amountForCycleFromLine(line, BillingCycle.HOURLY)).toBe(1);
+    expect(service.amountForCycleFromLine(line, BillingCycle.MONTHLY)).toBe(2);
+    expect(service.amountForCycleFromLine(line, BillingCycle.YEARLY)).toBe(3);
+  });
+});

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

@@ -0,0 +1,426 @@
+import { Injectable, Logger, OnModuleInit } from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Repository } from 'typeorm';
+import { PricingRate } from './entities/pricing-rate.entity';
+import { AddonRate } from './entities/addon-rate.entity';
+import {
+  AppRuntime,
+  BillingCycle,
+  DatabaseType,
+  PricingResourceType,
+} from '../common/enums';
+import { CalculateCostDto } from './dto/billing.dto';
+import {
+  ADDON_PRICING_RESOURCES,
+  BILLING_RUNTIMES,
+  RESOURCE_LABELS,
+  RUNTIME_PRICING_RESOURCES,
+} from './pricing-catalog.constants';
+import { UpdatePricingCatalogDto } from './dto/pricing-catalog.dto';
+
+export interface CyclePrices {
+  hourly: number;
+  monthly: number;
+  yearly: number;
+}
+
+export interface PricingRateRow {
+  resourceType: PricingResourceType;
+  hourlyPrice: number;
+  monthlyPrice: number;
+  yearlyPrice: number;
+  isActive?: boolean;
+}
+
+export interface PricingCatalogResponse {
+  runtimes: Record<AppRuntime, PricingRateRow[]>;
+  addons: PricingRateRow[];
+}
+
+export interface CostBreakdownLine {
+  label: string;
+  hourly: number;
+  monthly: number;
+  yearly: number;
+}
+
+@Injectable()
+export class PricingCatalogService implements OnModuleInit {
+  private readonly logger = new Logger(PricingCatalogService.name);
+
+  constructor(
+    @InjectRepository(PricingRate) private readonly rateRepo: Repository<PricingRate>,
+    @InjectRepository(AddonRate) private readonly addonRepo: Repository<AddonRate>,
+  ) {}
+
+  async onModuleInit() {
+    await this.ensureDefaults();
+  }
+
+  async ensureDefaults() {
+    for (const runtime of BILLING_RUNTIMES) {
+      for (const resourceType of RUNTIME_PRICING_RESOURCES) {
+        const existing = await this.rateRepo.findOne({ where: { runtime, resourceType } });
+        if (!existing) {
+          await this.rateRepo.save(
+            this.rateRepo.create({
+              runtime,
+              resourceType,
+              hourlyPrice: 0,
+              monthlyPrice: 0,
+              yearlyPrice: 0,
+            }),
+          );
+        }
+      }
+    }
+    for (const resourceType of ADDON_PRICING_RESOURCES) {
+      const existing = await this.addonRepo.findOne({ where: { resourceType } });
+      if (!existing) {
+        await this.addonRepo.save(
+          this.addonRepo.create({
+            resourceType,
+            hourlyPrice: 0,
+            monthlyPrice: 0,
+            yearlyPrice: 0,
+          }),
+        );
+      }
+    }
+  }
+
+  async getCatalog(): Promise<PricingCatalogResponse> {
+    const rates = await this.rateRepo.find({ order: { runtime: 'ASC', resourceType: 'ASC' } });
+    const addons = await this.addonRepo.find({ order: { resourceType: 'ASC' } });
+
+    const runtimes = {} as Record<AppRuntime, PricingRateRow[]>;
+    for (const runtime of BILLING_RUNTIMES) {
+      runtimes[runtime] = RUNTIME_PRICING_RESOURCES.map((resourceType) => {
+        const row = rates.find((r) => r.runtime === runtime && r.resourceType === resourceType);
+        return this.toRateRow(resourceType, row);
+      });
+    }
+
+    return {
+      runtimes,
+      addons: ADDON_PRICING_RESOURCES.map((resourceType) => {
+        const row = addons.find((a) => a.resourceType === resourceType);
+        return this.toRateRow(resourceType, row);
+      }),
+    };
+  }
+
+  async updateCatalog(dto: UpdatePricingCatalogDto): Promise<PricingCatalogResponse> {
+    if (dto.runtimes) {
+      for (const [runtimeKey, rows] of Object.entries(dto.runtimes)) {
+        const runtime = runtimeKey as AppRuntime;
+        if (!BILLING_RUNTIMES.includes(runtime)) continue;
+        for (const row of rows) {
+          await this.upsertRuntimeRate(runtime, row);
+        }
+      }
+    }
+    if (dto.addons) {
+      for (const row of dto.addons) {
+        await this.upsertAddonRate(row);
+      }
+    }
+    return this.getCatalog();
+  }
+
+  async getRatesForRuntime(runtime: AppRuntime): Promise<PricingRate[]> {
+    return this.rateRepo.find({
+      where: { runtime, isActive: true },
+    });
+  }
+
+  async getAddonRates(): Promise<AddonRate[]> {
+    return this.addonRepo.find({ where: { isActive: true } });
+  }
+
+  computeTotals(dto: CalculateCostDto): {
+    hourly: number;
+    monthly: number;
+    yearly: number;
+    breakdown: CostBreakdownLine[];
+  } {
+    const lines = this.computeLineItemsSync(dto);
+    const hourly = lines.reduce((s, l) => s + l.hourly, 0);
+    const monthly = lines.reduce((s, l) => s + l.monthly, 0);
+    const yearly = lines.reduce((s, l) => s + l.yearly, 0);
+    return {
+      hourly: Math.round(hourly),
+      monthly: Math.round(monthly),
+      yearly: Math.round(yearly),
+      breakdown: lines,
+    };
+  }
+
+  async computeTotalsFromDb(dto: CalculateCostDto) {
+    const runtime = dto.runtime as AppRuntime;
+    const rates = await this.getRatesForRuntime(runtime);
+    const addons = await this.getAddonRates();
+    return this.computeTotalsWithRates(dto, rates, addons);
+  }
+
+  computeTotalsWithRates(
+    dto: CalculateCostDto,
+    rates: PricingRate[],
+    addons: AddonRate[],
+  ) {
+    const lines = this.buildLines(dto, rates, addons);
+    const hourly = lines.reduce((s, l) => s + l.hourly, 0);
+    const monthly = lines.reduce((s, l) => s + l.monthly, 0);
+    const yearly = lines.reduce((s, l) => s + l.yearly, 0);
+    return {
+      hourly: Math.round(hourly),
+      monthly: Math.round(monthly),
+      yearly: Math.round(yearly),
+      breakdown: lines,
+    };
+  }
+
+  amountForCycleFromLine(line: CostBreakdownLine, cycle: BillingCycle): number {
+    switch (cycle) {
+      case BillingCycle.HOURLY:
+        return line.hourly;
+      case BillingCycle.MONTHLY:
+        return line.monthly;
+      case BillingCycle.YEARLY:
+        return line.yearly;
+      default:
+        return line.monthly;
+    }
+  }
+
+  private computeLineItemsSync(dto: CalculateCostDto): CostBreakdownLine[] {
+    return this.buildLines(dto, [], []);
+  }
+
+  private buildLines(
+    dto: CalculateCostDto,
+    rates: PricingRate[],
+    addons: AddonRate[],
+  ): CostBreakdownLine[] {
+    const lines: CostBreakdownLine[] = [];
+    const quantities = this.getQuantities(dto);
+
+    for (const rate of rates) {
+      const qty = quantities.get(rate.resourceType) ?? 0;
+      if (qty <= 0) continue;
+      const line = this.lineFromPrices(
+        RESOURCE_LABELS[rate.resourceType],
+        qty,
+        Number(rate.hourlyPrice),
+        Number(rate.monthlyPrice),
+        Number(rate.yearlyPrice),
+        rate.resourceType,
+        dto,
+      );
+      if (line) lines.push(line);
+    }
+
+    for (const addon of addons) {
+      const qty = quantities.get(addon.resourceType) ?? 0;
+      if (qty <= 0) continue;
+      const line = this.lineFromPrices(
+        RESOURCE_LABELS[addon.resourceType],
+        qty,
+        Number(addon.hourlyPrice),
+        Number(addon.monthlyPrice),
+        Number(addon.yearlyPrice),
+        addon.resourceType,
+        dto,
+      );
+      if (line) lines.push(line);
+    }
+
+    return lines;
+  }
+
+  private lineFromPrices(
+    baseLabel: string,
+    quantity: number,
+    hourlyUnit: number,
+    monthlyUnit: number,
+    yearlyUnit: number,
+    resourceType: PricingResourceType,
+    dto: CalculateCostDto,
+  ): CostBreakdownLine | null {
+    const hourly = Math.round(quantity * hourlyUnit);
+    const monthly = Math.round(quantity * monthlyUnit);
+    const yearly = Math.round(quantity * yearlyUnit);
+    if (hourly <= 0 && monthly <= 0 && yearly <= 0) return null;
+
+    const label = this.describeLine(baseLabel, resourceType, quantity, dto);
+    return { label, hourly, monthly, yearly };
+  }
+
+  private describeLine(
+    baseLabel: string,
+    resourceType: PricingResourceType,
+    quantity: number,
+    dto: CalculateCostDto,
+  ): string {
+    switch (resourceType) {
+      case PricingResourceType.CPU_PER_CORE:
+        return `CPU (${quantity.toFixed(2)} core)`;
+      case PricingResourceType.MEMORY_PER_GB:
+        return `Memory (${quantity.toFixed(2)} GB)`;
+      case PricingResourceType.STORAGE_PER_GB:
+        return `Storage (${quantity} GB)`;
+      default:
+        return baseLabel;
+    }
+  }
+
+  getQuantities(dto: CalculateCostDto): Map<PricingResourceType, number> {
+    const cpuCores = this.parseCpuToCores(dto.cpuLimit);
+    const memoryGb = this.parseMemoryToGb(dto.memoryLimit);
+    const replicas = dto.replicas || 1;
+    const dbStorageGb = dto.dbStorageSize
+      ? parseFloat(String(dto.dbStorageSize).replace(/Gi$/i, '')) || 0
+      : 0;
+    const appStorageGb = dto.appStorageSize
+      ? parseFloat(String(dto.appStorageSize).replace(/Gi$/i, '')) || 0
+      : 0;
+    const totalStorageGb = dbStorageGb + appStorageGb;
+    const hasDatabase = dto.databaseType !== DatabaseType.NONE && dto.databaseType !== 'none';
+
+    const map = new Map<PricingResourceType, number>();
+    map.set(PricingResourceType.BASE_FEE, 1);
+    map.set(PricingResourceType.CPU_PER_CORE, cpuCores * replicas);
+    map.set(PricingResourceType.MEMORY_PER_GB, memoryGb * replicas);
+    map.set(PricingResourceType.STORAGE_PER_GB, totalStorageGb);
+    map.set(PricingResourceType.DATABASE_ADDON, hasDatabase ? 1 : 0);
+    map.set(PricingResourceType.REDIS_ADDON, dto.enableRedis ? 1 : 0);
+    map.set(PricingResourceType.RABBITMQ_ADDON, dto.enableRabbitmq ? 1 : 0);
+    map.set(PricingResourceType.ELASTICSEARCH_ADDON, dto.enableElasticsearch ? 1 : 0);
+    map.set(PricingResourceType.CUSTOM_DOMAIN_ADDON, dto.enableCustomDomain ? 1 : 0);
+    return map;
+  }
+
+  parseCpuToCores(cpu: string): number {
+    if (!cpu) return 0;
+    if (cpu.endsWith('m')) return parseFloat(cpu) / 1000;
+    return parseFloat(cpu) || 0;
+  }
+
+  parseMemoryToGb(memory: string): number {
+    if (!memory) return 0;
+    if (memory.endsWith('Gi')) return parseFloat(memory);
+    if (memory.endsWith('Mi')) return parseFloat(memory) / 1024;
+    if (memory.endsWith('Ki')) return parseFloat(memory) / (1024 * 1024);
+    return parseFloat(memory) / (1024 * 1024 * 1024);
+  }
+
+  private async upsertRuntimeRate(runtime: AppRuntime, row: PricingRateRow) {
+    let entity = await this.rateRepo.findOne({
+      where: { runtime, resourceType: row.resourceType },
+    });
+    if (!entity) {
+      entity = this.rateRepo.create({ runtime, resourceType: row.resourceType });
+    }
+    entity.hourlyPrice = row.hourlyPrice;
+    entity.monthlyPrice = row.monthlyPrice;
+    entity.yearlyPrice = row.yearlyPrice;
+    if (row.isActive !== undefined) entity.isActive = row.isActive;
+    await this.rateRepo.save(entity);
+  }
+
+  private async upsertAddonRate(row: PricingRateRow) {
+    let entity = await this.addonRepo.findOne({
+      where: { resourceType: row.resourceType },
+    });
+    if (!entity) {
+      entity = this.addonRepo.create({ resourceType: row.resourceType });
+    }
+    entity.hourlyPrice = row.hourlyPrice;
+    entity.monthlyPrice = row.monthlyPrice;
+    entity.yearlyPrice = row.yearlyPrice;
+    if (row.isActive !== undefined) entity.isActive = row.isActive;
+    await this.addonRepo.save(entity);
+  }
+
+  private toRateRow(
+    resourceType: PricingResourceType,
+    entity?: PricingRate | AddonRate | null,
+  ): PricingRateRow {
+    return {
+      resourceType,
+      hourlyPrice: entity ? Number(entity.hourlyPrice) : 0,
+      monthlyPrice: entity ? Number(entity.monthlyPrice) : 0,
+      yearlyPrice: entity ? Number(entity.yearlyPrice) : 0,
+      isActive: entity?.isActive ?? true,
+    };
+  }
+
+  /** Legacy shape for optional-services settings API */
+  async getOptionalServicesPricing(): Promise<{
+    redis: CyclePrices;
+    rabbitmq: CyclePrices;
+    elasticsearch: CyclePrices;
+  }> {
+    const addons = await this.addonRepo.find();
+    const pick = (type: PricingResourceType): CyclePrices => {
+      const row = addons.find((a) => a.resourceType === type);
+      return {
+        hourly: row ? Number(row.hourlyPrice) : 0,
+        monthly: row ? Number(row.monthlyPrice) : 0,
+        yearly: row ? Number(row.yearlyPrice) : 0,
+      };
+    };
+    return {
+      redis: pick(PricingResourceType.REDIS_ADDON),
+      rabbitmq: pick(PricingResourceType.RABBITMQ_ADDON),
+      elasticsearch: pick(PricingResourceType.ELASTICSEARCH_ADDON),
+    };
+  }
+
+  async setOptionalServicesPricing(pricing: {
+    redis: CyclePrices;
+    rabbitmq: CyclePrices;
+    elasticsearch: CyclePrices;
+  }) {
+    await this.upsertAddonRate({
+      resourceType: PricingResourceType.REDIS_ADDON,
+      hourlyPrice: pricing.redis.hourly,
+      monthlyPrice: pricing.redis.monthly,
+      yearlyPrice: pricing.redis.yearly,
+      isActive: true,
+    });
+    await this.upsertAddonRate({
+      resourceType: PricingResourceType.RABBITMQ_ADDON,
+      hourlyPrice: pricing.rabbitmq.hourly,
+      monthlyPrice: pricing.rabbitmq.monthly,
+      yearlyPrice: pricing.rabbitmq.yearly,
+      isActive: true,
+    });
+    await this.upsertAddonRate({
+      resourceType: PricingResourceType.ELASTICSEARCH_ADDON,
+      hourlyPrice: pricing.elasticsearch.hourly,
+      monthlyPrice: pricing.elasticsearch.monthly,
+      yearlyPrice: pricing.elasticsearch.yearly,
+      isActive: true,
+    });
+    return this.getOptionalServicesPricing();
+  }
+
+  async getCustomDomainPrice(): Promise<{ monthlyPrice: number }> {
+    const row = await this.addonRepo.findOne({
+      where: { resourceType: PricingResourceType.CUSTOM_DOMAIN_ADDON },
+    });
+    return { monthlyPrice: row ? Number(row.monthlyPrice) : 0 };
+  }
+
+  async setCustomDomainPrice(monthlyPrice: number): Promise<{ monthlyPrice: number }> {
+    await this.upsertAddonRate({
+      resourceType: PricingResourceType.CUSTOM_DOMAIN_ADDON,
+      hourlyPrice: 0,
+      monthlyPrice,
+      yearlyPrice: 0,
+      isActive: true,
+    });
+    return { monthlyPrice };
+  }
+}

backend/src/lifecycle/app-lifecycle.service.ts

@@ -57,7 +57,6 @@ export class AppLifecycleService implements OnModuleInit, OnModuleDestroy {
   async activateApp(
     appId: string,
     billingCycle: BillingCycle,
-    planId: string,
     planExpiresAt?: Date,
   ): Promise<Application> {
     const app = await this.appRepo.findOne({ where: { id: appId } });
@@ -68,7 +67,6 @@ export class AppLifecycleService implements OnModuleInit, OnModuleDestroy {
       ? planExpiresAt
       : this.calculateExpiry(now, billingCycle);
 
-    app.planId = planId;
     app.billingCycle = billingCycle;
     app.lifecycleStatus = AppLifecycleStatus.ACTIVE;
     app.planExpiresAt = expiresAt;
@@ -225,7 +223,7 @@ export class AppLifecycleService implements OnModuleInit, OnModuleDestroy {
   // ─── Auto-renew for hourly plans ──────────────────────────────────
 
   private async tryAutoRenew(app: Application): Promise<boolean> {
-    if (!app.planId) return false;
+    if (!app.billingCycle) return false;
 
     try {
       const cost = await this.billingService.calculateCostForApp(app);