IDP 초기화 로직 팩토리 패턴 적용

backend/cmd/server/main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"baron-sso-backend/internal/domain"
 	"baron-sso-backend/internal/handler"
+	"baron-sso-backend/internal/idp"
 	"baron-sso-backend/internal/logger"
 	"baron-sso-backend/internal/repository"
 	"baron-sso-backend/internal/service"
@@ -73,14 +74,12 @@ func main() {
 	)
 
 	// --- Fail-Fast Schema Validation ---
-	// Initialize the IDP Provider (Descope)
-	descopeProjectID := getEnv("DESCOPE_PROJECT_ID", "")
-	descopeManagementKey := getEnv("DESCOPE_MANAGEMENT_KEY", "")
-
-	// We create a provider instance to check schema compatibility.
-	// This ensures that our BrokerUser model requirements (e.g. custom attributes)
-	// are supported by the configured IDP.
-	idpProvider := service.NewDescopeProvider(descopeProjectID, descopeManagementKey)
+	// 팩토리를 사용하여 IDP 공급자를 초기화합니다.
+	idpProvider, err := idp.InitializeProvider()
+	if err != nil {
+		slog.Error("❌ [CRITICAL] Failed to initialize IDP Provider", "error", err)
+		os.Exit(1)
+	}
 
 	if err := validator.ValidateIDPCompatibility(domain.BrokerUser{}, idpProvider); err != nil {
 		slog.Error("❌ [CRITICAL] Broker Schema Mismatch",