- 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 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
nutcas3