variable "name" { type = string description = "ECS cluster name." default = "nova-cluster" } variable "region" { type = string description = "AWS region (provider-level; not a resource arg)." default = null } variable "kms_key_arn" { type = string description = "ARN of the CMK for CloudWatch log group encryption; if absent, uses managed key." default = null } variable "enabled" { type = bool description = "Feature flag: enable/disable this module. Set to false to skip resource creation." default = true }