- Update CurrencyHandler.exchangeService field from *currency.ExchangeRateService to currency.ExchangeRateService interface
- Update NewCurrencyHandler parameter from *currency.ExchangeRateService to currency.ExchangeRateService interface
- Update RatePlanHandler.service field from *rateplan.Service to rateplan.Service interface
- Update NewRatePlanHandler parameter from *rateplan.Service to rateplan.Service interface
- Update Service struct to use repository.Repository interface
- Update all method signatures to use repository package types (RatePlan, RatePlanSubscription, RatePlanUsage, etc.)
- Update filter and request types to use repository package (RatePlanFilter, SubscriptionFilter, CalculateCostRequest, etc.)
- Update status constants to use repository package (SubscriptionStatusActive, PlanStatusActive, DiscountTypePercentage, DiscountTypeFixed)
- Rename internal/service to internal/services in carrier-connector
- Update service imports in selection_integration.go and smdp_integration.go
- Move currency repository files from internal/currency to internal/repository
- Move rate plan repository files from internal/rateplan to internal/repository
- Update package declarations and imports for currency domain types
- Add currency package imports
- Add CurrencyHandler struct with billing service, exchange service, and logger fields
- Add ConvertCurrency endpoint with JSON binding and amount conversion support
- Add GetExchangeRate endpoint with currency pair path parameters
- Add ProcessBilling endpoint with billing request validation and transaction processing
- Add GetBillingHistory with profile ID filtering, date range, limit, and offset support
- Add GormRepository with CRUD operations for currencies, exchange rates, and transactions
- Add repository helper methods for model-to-domain conversions with JSON metadata handling
- Add GetHistoricalRates with date range filtering and chronological ordering
- Add ListExchangeRates with currency pair, active status, and date range filtering
- Add CreateTransaction, GetTransaction, UpdateTransaction, and List
- Add RatePlanCurrencyIntegrator struct with billing service, exchange service, rate plan service, logger, and base currency fields
- Add NewRatePlanCurrencyIntegrator constructor with dependency injection
- Add SubscribeToPlanWithCurrency with price conversion, subscription creation, and initial billing processing
- Add CalculatePlanCostInCurrency with base cost calculation
- Move Repository, ExchangeRateProvider, BillingService, and AnalyticsService interfaces from types.go to new interface.go
- Move BillingSummary and CurrencyUsageStats structs to interface.go
- Move CurrencyModel, ExchangeRateModel, and TransactionModel to new models.go
- Move GORM hooks (BeforeCreate, BeforeUpdate) and TableName methods to models.go
- Remove redundant comments from exchange_rate_service.go
- Add ExchangeRateService struct with repository, logger, providers, and base currency fields
- Add NewExchangeRateService constructor and AddProvider for provider registration
- Add GetExchangeRate with repository caching, provider fallback, and same-currency handling
- Add ConvertAmount wrapper with exchange rate retrieval and amount calculation
- Add RefreshRates with multi-provider rate
- Add BillingServiceImpl struct with repository, exchange service, logger, and base currency fields
- Add NewBillingService constructor with dependency injection
- Add ProcessBilling with request validation, currency conversion, transaction creation, and payment processing
- Add ConvertAmount wrapper delegating to exchange service
- Add GetBillingHistory with profile ID filtering and transaction retries
- Add currencies.json with USD, EUR, GBP, JPY, CAD, AUD, CHF, CNY, INR, BRL, MXN, SEK, NOK, DKK, SGD, HKD, NZD, ZAR, KRW, and TRY configurations
- Add currency metadata with code, name, symbol, decimal places, active status, and supported regions
- Add regional mappings for currency support across multiple countries and territories
- Move GetUsage, GetUsageHistory, GetUsageAnalytics, GetRevenueAnalytics, and GetPopularPlans to service_analytics.go
- Move validateRatePlan, validateSubscribeRequest, calculateNextBillingDate, and calculateCycleEnd to service_methods.go
- Move SubscribeToPlan, GetSubscription, UpdateSubscription, CancelSubscription, GetActiveSubscription, and ListSubscriptions to service_subscriptions.go
- Move RecordUsage to service_usage.go
- Add GormCarrierRepository struct with database and logger fields
- Add CarrierModel with ID, name, MCC, MNC, country code, active status, priority, ES2 config, capabilities, and timestamp fields
- Add GetCarriers with active carrier filtering and model-to-carrier conversion
- Add GetCarrier with ID lookup and not found handling
- Add SaveCarrier with upsert logic for create or update operations
- Add GormRepository struct with database and logger fields
- Add CreateRatePlan, GetRatePlan, UpdateRatePlan, and DeleteRatePlan with automatic timestamp handling
- Add ListRatePlans with carrier, region, plan type, status, price range, and validity filtering
- Add CountRatePlans with comprehensive filter support
- Add CreateSubscription, GetSubscription, UpdateSubscription, and DeleteSubscription with timestamp
- Move RatePlan struct from types.go to types_core.go
- Move PlanType enum with prepaid, postpaid, hybrid, pay-as-you-go, and unlimited options to types_core.go
- Move PlanStatus enum with draft, active, inactive, and archived states to types_core.go
- Move BillingCycle enum with daily, weekly, monthly, quarterly, and yearly options to types_core.go
- Add documentation comments for PlanType, PlanStatus, and BillingCycle enums
- Remove PlanStatusSuspended from PlanStatus enum
- Move calculateDataOverage, calculateVoiceOverage, calculateSMSOverage, calculateDiscounts, and calculateRecommendedPrice to price_calculation.go
- Remove validation helper methods from pricing_engine.go
- Remove PriceOptimization and CostBreakdown type definitions
- Update Logger interface to use `any` instead of `interface{}`
- Remove inline comments throughout pricing_engine.go
- Add switch statement for discount type handling in calculateDiscounts
- Add Repository interface with rate plan CRUD, subscription management, usage tracking, and analytics operations
- Add GORM table name methods for RatePlan, RatePlanSubscription, and RatePlanUsage models
- Add GORM hooks with automatic timestamp handling for BeforeCreate and BeforeUpdate operations
- Add SearchCriteria with carrier, region, plan type, price range, pagination, and sorting fields
- Add CarrierSelectionIntegrator struct with rate plan repository, SMDP manager, and logger fields
- Add GetOptimalCarrierWithRatePlan with region filtering, carrier grouping, performance scoring, and combined evaluation
- Add RecommendRatePlansForCarrier with carrier validation, active plan filtering, and recommendation creation
- Add UpdateCarrierSelectionCriteria with 30-day usage analytics
- Add Service struct with repository and logger fields
- Add CreateRatePlan with ID generation, validation, and comprehensive field checks
- Add GetRatePlan, UpdateRatePlan, and DeleteRatePlan with active subscription conflict detection
- Add ListRatePlans and SearchRatePlans with filtering and sorting support
- Add SubscribeToPlan with plan availability validation, duplicate subscription
- Add RatePlanHandler struct with service and logger fields
- Add CreateRatePlan with JSON binding, draft status initialization, and comprehensive field mapping
- Add GetRatePlan with ID path parameter extraction and not found handling
- Add UpdateRatePlan with selective field updates and existing plan retrieval
- Add DeleteRatePlan with active subscription conflict detection
- Add ListRatePlans with carrier
- Add AnalyticsResponse struct with success, message, and data fields
- Add GetUsageAnalytics with date range parsing, default last month period, and group by support
- Add GetRevenueAnalytics with RFC3339 date parsing and configurable filters
- Add GetPopularPlans with configurable limit defaulting to 10
- Add GetDashboardData aggregating top 5 popular plans, 30-day usage analytics, and revenue analytics
- Add PricingEngine struct with repository and logger fields
- Add ValidateRatePlan with comprehensive validation for fields, dates, allowances, overage rates, discounts, and early termination
- Add CalculateOptimalPrice with market analysis and recommended pricing based on competitor data
- Add ValidateSubscription with plan availability, validity dates, and discount validation
- Add CalculateSubscriptionCost with base
- Rename ListProfilesHandlerWithRepo to ListProfilesHandler
- Rename GetProfileHandlerWithRepo to GetProfileHandler
- Rename DeleteProfileHandlerWithRepo to DeleteProfileHandler
- Move SetupCarriers method from selection_integration.go to new setup_carriers.go file
- Remove redundant comments from SelectionIntegration struct and methods
- Clean up inline comments in RunDemo method while preserving functionality
- Split profile_handlers.go into profile_handlers_core.go, profile_handlers_management_core.go, and profile_handlers_management_delete.go
- Simplify OrderProfileHandlerWithRepo with ICCID/IMSI-only validation and "downloaded" state
- Remove webhook and message queue notifications from order handler
- Add UpdateProfileHandler with state validation for downloaded/activated/deactivated/expired
- Add DeleteProfileHandler with existence
- Add SelectionIntegration struct with manager, selection service, handler, and SMDP service fields
- Add NewSelectionIntegration constructor with default manager config and 30s health checks
- Add SetupCarriers with AT&T, Verizon, T-Mobile DE, and Orange FR configurations
- Add StartServer method with health endpoint and 30s read/write timeouts
- Add StartHealthChecking wrapper for background
- Add DefaultManagerConfig with 30s health checks, 3 retries, and circuit breaker configuration
- Add CarrierConfig struct with ES2 settings, MCC/MNC, priority, and feature support
- Add ToCarrier method converting CarrierConfig to Carrier with metrics and capabilities
- Add HealthChecker with periodic carrier health monitoring and status evaluation
- Add LoadBalancer with weighted round-robin, least
- Add SMDPService struct with manager, repository, and logger fields
- Add NewSMDPService constructor with default config and background health checking
- Add InitializeDefaultCarriers with AT&T, Verizon, and T-Mobile DE configurations
- Add DownloadProfile method with context support and request logging
- Add GetOptimalCarrier wrapping SelectCarrier for best carrier selection
- Add GetCarrierHealth returning
- Add SMDPIntegration struct with service, handler, repository, and logger fields
- Add NewSMDPIntegration constructor with default carrier initialization
- Add InitializeSystem method with carrier health logging and status tracking
- Add RegisterRoutes method with profile, carrier, health, and metrics endpoints
- Add healthHandler with carrier health status aggregation and degraded state detection
- Add metricsHandler
- Add SMDPHandler struct with manager field and NewSMDPHandler constructor
- Add AddCarrier endpoint with JSON binding and carrier configuration support
- Add RemoveCarrier endpoint with carrier ID parameter validation
- Add DownloadProfile endpoint with 30-second timeout and context cancellation
- Add GetCarrierStatus endpoint returning all carriers with timestamp
- Add GetProfileStatus endpoint with EID/ICCID validation
- Add gin-csrf middleware import to main.go
- Add CSRF_SECRET environment variable support with default fallback warning
- Add CSRF middleware to Gin router with configurable secret
- Add default CSRF secret with production warning for missing environment variable
- Change rust-version from "1.94" to "1.95" in workspace Cargo.toml
- Add validateURL method to ES2Client with private IP blocking and domain whitelisting
- Add SSRF validation to DownloadProfile and GetProfileStatus endpoints
- Add slices, errors, net, and url imports to es2/client.go
- Update CLI charging API endpoints from /v1 to /api/v1 prefix
- Fix DeductCredit response handling to use nil
- Add github.com/utrack/gin-csrf v0.0.0 for CSRF protection
- Add github.com/gin-contrib/sessions and related session management dependencies
- Add github.com/gorilla/context, gorilla/securecookie, and gorilla/sessions for session handling
- Add github.com/dchest/uniuri for unique identifier generation
- Add indirect dependencies for various session store implementations (redistore, memcache, mongostore)
- Add maps import to mq.go
- Replace manual for loop copying payload map with maps.Copy in PublishProfileEvent
- Simplify map merging logic while maintaining same functionality
- Add filepath import for path manipulation
- Calculate repository root path relative to carrier-connector location (../../)
- Set cmd.Dir to repository root before executing Goose command
- Add comment explaining directory change to locate migrations folder
- Ensure migrations can be found from carrier-connector's nested location
- Add os/exec import for running external commands
- Implement runMigrations function to execute goose postgres migrations
- Call runMigrations in NewPostgresProfileStore before returning store instance
- Update function comment to reflect automatic migration execution on startup
- Add error handling and output capture for migration failures
- Remove AutoMigrate call for profileRow from NewPostgresProfileStore
- Update function comment to reference migration system (make db-migrate) instead of inline schema creation
- Add note that esim_profiles table is created by migration system
- Remove error handling for AutoMigrate execution
- Add discovery_test.go with Service and ServiceDiscovery struct tests
- Add integration test placeholders for service registration, discovery, deregistration, and health checks
- Add mq_test.go with Message serialization and profile event tests
- Add integration test placeholders for RabbitMQ connectivity, queue declaration, and publish/consume flow
- Add github.com/stretchr/testify v1.11.1 to carrier-connector dependencies
- Add github.com/rabbitmq/amqp091-go v1.11.0 dependency to go.mod
- Add messageQueue parameter to OrderProfileHandlerWithRepo and DeleteProfileHandlerWithRepo
- Add PublishProfileEvent calls for profile.downloaded and profile.deleted events with goroutines
- Add message queue initialization in main.go with RABBITMQ_URL environment variable
- Add profile-events queue declaration with error handling and fallback
- Add messageQueue parameter to setupRoutes
- Move github.com/casbin/casbin/v2 v2.135.0 from indirect to direct dependencies
- Move github.com/casbin/gorm-adapter/v3 v3.41.0 from indirect to direct dependencies
- Move github.com/gorilla/websocket v1.5.4-0.20250319132907-e064f32e3674 from indirect to direct dependencies
- Move github.com/go-playground/validator/v10 v10.30.2 from indirect to direct dependencies
- Add github.com/dgryski/go-rendezvous v0.0.0-20
- Replace interface{} with any in api_integration_test.go makeRequest method and test response maps
- Replace interface{} with any in logging.go WithField method and all logging function signatures
- Replace interface{} with any in middleware etag.go sync.Map.Range callback
- Replace interface{} with any in middleware redis_ratelimit.go RedisClientInterface and result parsing
- Replace interface{} with any in middleware redis_ratelimit_