* refactor: Rename handler package to handlers in carrier-connector
- Rename internal/handler directory to internal/handlers
- Update handler import path in main.go and routes.go
* feat: Add SM-DP+ handler with multi-carrier management and profile operations
- 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
* feat: Add SM-DP+ integration layer with multi-carrier system initialization and route registration
- 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
* feat: Add SM-DP+ service layer with multi-carrier management and profile download operations
- 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
* feat: Add SM-DP+ manager with multi-carrier load balancing, health checking, and profile operations
- 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
* feat: Add intelligent carrier selection service with scoring, recommendations, and analytics
- Add SelectionService struct with manager, handler, and logger fields
- Add NewSelectionService constructor with info-level logging
- Add IntelligentCarrierSelection method with comprehensive criteria evaluation
- Add IntelligentSelectionRequest with region, profile type, urgency, and cost sensitivity
- Add UserPreferences and BusinessContext structs for selection customization
- Add IntelligentSelectionResponse with selected
* feat: Add carrier selection handler with optimal selection, analytics, and performance monitoring endpoints
- Add SelectionHandler struct with manager and logger fields
- Add NewSelectionHandler constructor with info-level logging
- Add SelectOptimalCarrier endpoint with criteria validation and scoring
- Add SelectCarrier endpoint using default selection criteria
- Add GetSelectionHistory endpoint with carrier ID path parameter
- Add UpdateLearning endpoint with performance feedback validation
- Add GetSelectionAnalytics endpoint with carrier stats
* feat: Add carrier selection integration layer with multi-carrier setup, HTTP server, and demo capabilities
- 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
* feat: Refactor profile handlers into modular core components with simplified operations
- 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
* refactor: Extract carrier setup logic into separate file and remove unnecessary comments
- 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
* feat: Add intelligent carrier selection algorithm with machine learning optimization and performance tracking
- Add SelectionAlgorithm with scoring, weighting, and ML-based carrier selection
- Add SelectionCriteria struct with region, profile type, urgency, and cost/performance weights
- Add CarrierScore with performance, reliability, cost, region, and capability scores
- Add calculateWeightedScore combining all scores with ML-optimized weights
- Add getWeights with urgency-based adjustments
* feat: Integrate SelectionAlgorithm into SMDPManager with optimal carrier selection and learning capabilities
- Add selector field to SMDPManager struct with SelectionAlgorithm type
- Initialize selector in NewSMDPManager constructor
- Add SelectOptimalCarrier method filtering healthy carriers and delegating to selection algorithm
- Add SelectCarrier wrapper with default criteria (operational profile, medium urgency, balanced weights)
- Add GetSelectionHistory method returning carrier selection history
- Add UpdateLearning
* refactor: Simplify profile handler function names by removing WithRepo suffix
- Rename ListProfilesHandlerWithRepo to ListProfilesHandler
- Rename GetProfileHandlerWithRepo to GetProfileHandler
- Rename DeleteProfileHandlerWithRepo to DeleteProfileHandler
* feat: Add pricing engine with rate plan validation, cost calculation, and price optimization
- 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
* feat: Add rate plan analytics handlers with usage, revenue, popularity, and dashboard endpoints
- 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
* feat: Add rate plan handler layer with CRUD operations, management endpoints, and analytics support
- 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
* feat: Add rate plan type system with comprehensive domain models, allowances, subscriptions, and analytics support
- Add RatePlan struct with carrier, region, pricing, allowances, features, discounts, and validity fields
- Add PlanType enum with prepaid, postpaid, hybrid, pay-as-you-go, and unlimited options
- Add PlanStatus enum with draft, active, inactive, archived, and suspended states
- Add BillingCycle enum with daily, weekly, monthly, quarterly, and yearly options
- Add DataAllowance, VoiceAllowance, and
* feat: Add rate plan service layer with CRUD operations, subscription management, usage tracking, and analytics support
- 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
* feat: Add carrier integration layer with optimal carrier selection, rate plan recommendations, and analytics support
- 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
* feat: Add rate plan repository interface with GORM models and extended types for carrier integration
- 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
* feat: Refactor pricing engine by extracting calculation methods into separate file
- 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
* refactor: Extract core rate plan types into separate file
- 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
* feat: Add GORM repository implementation with CRUD operations, subscription management, usage tracking, and analytics support
- 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
* feat: Add carrier configuration layer with GORM repository, file loading, and model conversion support
- 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
* feat: Add carrier configuration file loading with JSON-based carrier setup and validation
- Add carriers.json with AT&T US, Verizon US, T-Mobile Germany, Orange France, and Vodafone UK configurations
- Add LoadCarriersFromFile with JSON parsing and config file reading
- Add ConvertConfigToCarriers with model-to-carrier conversion logic
- Add validateCarrier with ID, name, MCC, MNC, country code, and ES2 config validation
- Replace hardcoded carrier setup with file-based configuration loading
- Add success
* refactor: Extract service methods into separate files for better organization
- 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
- 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
* refactor: Rename handler package to handlers in carrier-connector
- Rename internal/handler directory to internal/handlers
- Update handler import path in main.go and routes.go
* feat: Add SM-DP+ handler with multi-carrier management and profile operations
- 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
* feat: Add SM-DP+ integration layer with multi-carrier system initialization and route registration
- 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
* feat: Add SM-DP+ service layer with multi-carrier management and profile download operations
- 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
* feat: Add SM-DP+ manager with multi-carrier load balancing, health checking, and profile operations
- 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
* feat: Add intelligent carrier selection service with scoring, recommendations, and analytics
- Add SelectionService struct with manager, handler, and logger fields
- Add NewSelectionService constructor with info-level logging
- Add IntelligentCarrierSelection method with comprehensive criteria evaluation
- Add IntelligentSelectionRequest with region, profile type, urgency, and cost sensitivity
- Add UserPreferences and BusinessContext structs for selection customization
- Add IntelligentSelectionResponse with selected
* feat: Add carrier selection handler with optimal selection, analytics, and performance monitoring endpoints
- Add SelectionHandler struct with manager and logger fields
- Add NewSelectionHandler constructor with info-level logging
- Add SelectOptimalCarrier endpoint with criteria validation and scoring
- Add SelectCarrier endpoint using default selection criteria
- Add GetSelectionHistory endpoint with carrier ID path parameter
- Add UpdateLearning endpoint with performance feedback validation
- Add GetSelectionAnalytics endpoint with carrier stats
* feat: Add carrier selection integration layer with multi-carrier setup, HTTP server, and demo capabilities
- 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
* feat: Refactor profile handlers into modular core components with simplified operations
- 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
* refactor: Extract carrier setup logic into separate file and remove unnecessary comments
- 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
* feat: Add intelligent carrier selection algorithm with machine learning optimization and performance tracking
- Add SelectionAlgorithm with scoring, weighting, and ML-based carrier selection
- Add SelectionCriteria struct with region, profile type, urgency, and cost/performance weights
- Add CarrierScore with performance, reliability, cost, region, and capability scores
- Add calculateWeightedScore combining all scores with ML-optimized weights
- Add getWeights with urgency-based adjustments
* feat: Integrate SelectionAlgorithm into SMDPManager with optimal carrier selection and learning capabilities
- Add selector field to SMDPManager struct with SelectionAlgorithm type
- Initialize selector in NewSMDPManager constructor
- Add SelectOptimalCarrier method filtering healthy carriers and delegating to selection algorithm
- Add SelectCarrier wrapper with default criteria (operational profile, medium urgency, balanced weights)
- Add GetSelectionHistory method returning carrier selection history
- Add UpdateLearning
- 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
* refactor: Rename handler package to handlers in carrier-connector
- Rename internal/handler directory to internal/handlers
- Update handler import path in main.go and routes.go
* feat: Add SM-DP+ handler with multi-carrier management and profile operations
- 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
* feat: Add SM-DP+ integration layer with multi-carrier system initialization and route registration
- 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
* feat: Add SM-DP+ service layer with multi-carrier management and profile download operations
- 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
* feat: Add SM-DP+ manager with multi-carrier load balancing, health checking, and profile operations
- 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 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 traefik.yml with HTTP to HTTPS redirection and secure-headers middleware
- Add dashboard on port 80 with insecure mode enabled
- Add websecure entrypoint on port 443 with security headers
- Add Docker and file providers with dynamic configuration watching
- Add Prometheus metrics with entrypoint and service labels
- Add middlewares.yml with secure-headers including CSP, X-Frame-Options, and Permissions
- Add API Gateway Integration section describing Traefik-based centralized routing
- Add API Gateway Layer to architecture overview with SSL termination and monitoring
- Add Gateway & Security features including unified HTTPS endpoint and JWT validation
- Update Technology Stack to Rust 1.95 from 1.94
- Add Quick Start with API Gateway section using start-gateway.sh script
- Add traefik/ directory
- Add context.Context parameter to Publish method signature
- Replace context.Background() with provided context wrapped in timeout
- Rename timeout context variable from ctx to timeoutCtx for clarity
- Add bluemonday import to auth.go and subscriber.go
- Add UGCPolicy sanitization for username, email, firstName, lastName, and role in Register
- Add conditional XSS sanitization for firstName, lastName, email, and MSISDN in CreateSubscriber and UpdateSubscriber
- Replace Page and PageSize with Cursor and Limit in ListSubscribers query parameters
- Add HATEOAS links to CreateSubscriber, GetSubscriber
- Replace Page and PageSize with Cursor and Limit in ListSubscribersRequest
- Replace Total, Page, and PageSize with NextCursor and HasMore in ListSubscribersResponse
- Add default limit of 20 with max cap of 100 in ListSubscribers
- Replace ListSubscribers call with ListSubscribersCursor in subscriber_crud.go
- Remove unused database import from subscriber_crud.go
- Replace context.Background() with context.Without
- 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
- Add ListSubscribersCursor method to Database with ID-based cursor pagination
- Add cursor, hasMore, and nextCursor support for efficient pagination
- Add status, organizationID, and search filters to cursor-based query
- Add limit+1 fetch strategy to detect additional results
- Add fmt import to database/crud.go
- Add TEST_PASSWORD environment variable support in integration tests with default fallback
- Replace hard
- Add validateURL method to ChargingEngineClient with private IP blocking and domain whitelisting
- Add SSRF validation to CheckCredit, DeductCredit, AddCredit, GetBalance, and HealthCheck endpoints
- Add errors, net, url, and slices imports to charging_client.go
- Update HealthCheck endpoint from /health to /v1/health for consistency
- Add allowed domains list including localhost, 127.0.0.1, charging
- Add Link struct with href, rel, and optional type fields
- Add Links map type for HATEOAS link collections
- Add SubscriberWithLinks and SubscriberListWithLinks wrapper types
- Add NewSubscriberLinks function generating self, update, delete, billing, and sessions links
- Add NewSubscriberListLinks function with self, create, and conditional next pagination links
- Add start-gateway.sh script for Traefik-based API Gateway deployment
- Add JWT_SECRET environment variable validation with development fallback warning
- Create traefik/dynamic directory for dynamic configuration
- Add docker-compose orchestration with build and detached mode
- Add health check endpoints for Traefik (/ping), API Server (/api/v1/health), and Charging Engine (/v1/health)
- Add service URL documentation
- Replace nested if-let statements with let-chain pattern for VmRSS memory parsing in /proc/self/status
- Replace nested if-let statements with let-chain pattern for Redis used_memory parsing
- Wrap std::env::set_var calls in unsafe blocks in validation_tests.rs for MAX_BYTES_LIMIT and MAX_AMOUNT_LIMIT
- Replace nested if-let statements with let-chain pattern for Redis RPS parsing
- Update module reference from monitoring to monitoring_impl in monitoring.rs
- 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 GET /api/v1/subscribers endpoint with pagination and filtering parameters
- Add POST /api/v1/subscribers endpoint for subscriber creation
- Add GET /api/v1/subscribers/{id} and GET /api/v1/subscribers/imsi/{imsi} endpoints
- Add PUT /api/v1/subscribers/{id} endpoint for subscriber updates
- Add POST /api/v1/subscribers/{id}/suspend and /api/v1/subscribers/{id}/terminate endpoints
- Add Swagger definitions
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