- Add OnboardingMonitor struct with progress map and mutex for concurrent access
- Add UpdateProgress and GetProgress methods for tracking individual MVNO onboarding state
- Add GetAllProgress with map copy to prevent concurrent access issues
- Add GetActiveOnboardingCount and GetCompletedOnboardingCount for status aggregation
- Add GetAverageOnboardingTime calculation with completed onboarding duration tracking
- Add GetStepSuccess
- Add MVNO struct with ID, Name, BusinessID, Status, Plan, Config, and timestamps
- Add MVNOStatus enum with pending, review, approved, active, suspended, and terminated states
- Add MVNOPlan enum with starter, growth, scale, and enterprise tiers
- Add MVNOConfig struct with subscriber limits, country restrictions, carrier pool, and feature flags
- Add OnboardingRequest struct with business info, contact details, plan selection
- 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
- Add Handler struct with StartOnboarding, GetMVNO, and ListMVNOs methods in handler.go
- Add ManagementHandler struct with GetMVNO, ListMVNOs, UpdateMVNOStatus, and GetMVNOStats methods in handler_management.go
- Add RegisterRoutes method for /mvno/onboarding, /mvno, and /mvno/:id route registration
- Add query parameter parsing for status, plan, and limit filters in ListMVNOs
- Add structured logging with mvno_id, status, and error
nutcas3