개발자 권한 신청 승인/취소 및 RP 생성 흐름 개선

backend/internal/domain/developer_request.go

@@ -5,9 +5,10 @@ import (
 )
 
 const (
-	DeveloperRequestStatusPending  = "pending"
-	DeveloperRequestStatusApproved = "approved"
-	DeveloperRequestStatusRejected = "rejected"
+	DeveloperRequestStatusPending   = "pending"
+	DeveloperRequestStatusApproved  = "approved"
+	DeveloperRequestStatusRejected  = "rejected"
+	DeveloperRequestStatusCancelled = "cancelled"
 )
 
 // DeveloperRequest represents a user's application to become a developer.
@@ -18,7 +19,7 @@ type DeveloperRequest struct {
 	Name         string    `gorm:"not null" json:"name"`
 	Organization string    `json:"organization"`
 	Reason       string    `json:"reason"`
-	Status       string    `gorm:"default:'pending';not null" json:"status"` // pending, approved, rejected
+	Status       string    `gorm:"default:'pending';not null" json:"status"` // pending, approved, rejected, cancelled
 	AdminNotes   string    `json:"adminNotes"`
 	CreatedAt    time.Time `json:"createdAt"`
 	UpdatedAt    time.Time `json:"updatedAt"`