- Replace ctx parameter with _ in provisionTenantContext, provisionDatabaseSchema, provisionStorageResources, configureCarrier, configureRatePlans, setupPaymentProcessing, and validateCompliance methods
- Fix tenant_id scope to use wrappedTx.tenantID instead of r.tenantID in TenantScopedTransaction
- Fix pricing effectiveness analytics to use ratePlanAnalytics.AverageDiscount and ratePlanAnalytics.TotalSavings instead of analytics.
- Add OnboardingValidator struct with ValidateRequest and ValidateMVNO methods in validator.go
- Add business info validation with name length, ID format, email regex, and phone length checks
- Add plan validation with subscriber limits for Starter (1000) and Growth (10000) plans
- Add technical requirements validation with country code format and use case length checks
- Add compliance validation with country-specific regulatory checks and restricted country filtering
- Add technical feasibility validation