variable "project_id" { 
  type        = string
  description = "GCP Project ID"
}

variable "region" { 
  type        = string  
  default     = "us-central1"
  description = "GCP region for resources"
}

variable "artifact_bucket_name" { 
  type        = string
  description = "Name for the GCS bucket storing artifacts"
}

variable "control_plane_image" {
  type        = string
  description = "Container image URI for control-plane (Artifact Registry)."
}