feat: Add MVNO domain types with status, plan, config, and onboarding request models

- 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

apps/carrier-connector/internal/mvno/types.go

@@ -0,0 +1,77 @@
+package mvno
+
+import "time"
+
+// MVNO represents a Mobile Virtual Network Operator
+type MVNO struct {
+	ID         string     `json:"id" gorm:"primaryKey"`
+	Name       string     `json:"name" gorm:"not null"`
+	BusinessID string     `json:"business_id" gorm:"uniqueIndex;not null"`
+	Status     MVNOStatus `json:"status" gorm:"default:'pending'"`
+	Plan       MVNOPlan   `json:"plan" gorm:"not null"`
+	Config     MVNOConfig `json:"config" gorm:"serializer:json"`
+	CreatedAt  time.Time  `json:"created_at" gorm:"autoCreateTime"`
+	UpdatedAt  time.Time  `json:"updated_at" gorm:"autoUpdateTime"`
+}
+
+// MVNOStatus represents the onboarding status
+type MVNOStatus string
+
+const (
+	StatusPending    MVNOStatus = "pending"
+	StatusReview     MVNOStatus = "review"
+	StatusApproved   MVNOStatus = "approved"
+	StatusActive     MVNOStatus = "active"
+	StatusSuspended  MVNOStatus = "suspended"
+	StatusTerminated MVNOStatus = "terminated"
+)
+
+// MVNOPlan represents subscription tiers
+type MVNOPlan string
+
+const (
+	PlanStarter    MVNOPlan = "starter"
+	PlanGrowth     MVNOPlan = "growth"
+	PlanScale      MVNOPlan = "scale"
+	PlanEnterprise MVNOPlan = "enterprise"
+)
+
+// MVNOConfig contains MVNO-specific configuration
+type MVNOConfig struct {
+	MaxSubscribers    int      `json:"max_subscribers"`
+	AllowedCountries  []string `json:"allowed_countries"`
+	CarrierPool       []string `json:"carrier_pool"`
+	CustomBranding    bool     `json:"custom_branding"`
+	APIAccess         bool     `json:"api_access"`
+	AdvancedAnalytics bool     `json:"advanced_analytics"`
+}
+
+// OnboardingRequest represents a new MVNO onboarding request
+type OnboardingRequest struct {
+	BusinessName     string   `json:"business_name" binding:"required"`
+	BusinessID       string   `json:"business_id" binding:"required"`
+	ContactEmail     string   `json:"contact_email" binding:"required,email"`
+	ContactPhone     string   `json:"contact_phone" binding:"required"`
+	Plan             MVNOPlan `json:"plan" binding:"required"`
+	EstimatedSubs    int      `json:"estimated_subscribers" binding:"min:1"`
+	TargetCountries  []string `json:"target_countries" binding:"required,min=1"`
+	UseCase          string   `json:"use_case" binding:"required"`
+	TechnicalContact string   `json:"technical_contact"`
+}
+
+// OnboardingStep represents individual onboarding steps
+type OnboardingStep struct {
+	Name        string    `json:"name"`
+	Status      string    `json:"status"`
+	CompletedAt time.Time `json:"completed_at"`
+	Error       string    `json:"error,omitempty"`
+}
+
+// OnboardingProgress tracks the onboarding progress
+type OnboardingProgress struct {
+	MVNOID      string           `json:"mvno_id"`
+	Steps       []OnboardingStep `json:"steps"`
+	Progress    float64          `json:"progress"`
+	StartedAt   time.Time        `json:"started_at"`
+	CompletedAt time.Time        `json:"completed_at"`
+}