feat: Terraform Foundation - AWS Landing Zone

Enterprise-grade multi-tenant AWS cloud foundation.

Modules:
- GitHub OIDC for keyless CI/CD authentication
- IAM account settings and security baseline
- AWS Config Rules for compliance
- ABAC (Attribute-Based Access Control)
- SCPs (Service Control Policies)

Features:
- Multi-account architecture
- Cost optimization patterns
- Security best practices
- Comprehensive documentation

Tech: Terraform, AWS Organizations, IAM Identity Center

terraform/modules/identity-center/outputs.tf

@@ -0,0 +1,28 @@
+################################################################################
+# Identity Center - Outputs
+################################################################################
+
+output "instance_arn" {
+  value       = local.instance_arn
+  description = "Identity Center instance ARN"
+}
+
+output "identity_store_id" {
+  value       = local.identity_store_id
+  description = "Identity Store ID"
+}
+
+output "permission_set_arns" {
+  value       = { for k, v in aws_ssoadmin_permission_set.this : k => v.arn }
+  description = "Map of permission set names to ARNs"
+}
+
+output "sso_start_url" {
+  value       = "https://${local.identity_store_id}.awsapps.com/start"
+  description = "SSO portal start URL"
+}
+
+output "assignment_count" {
+  value       = length(aws_ssoadmin_account_assignment.this)
+  description = "Number of account assignments created"
+}