Add dynu_record_import_id variable for record imports

infrastructure/terraform/dynu/README.md

@@ -17,6 +17,7 @@ Use local `terraform.tfvars` (or provider-supported environment variables).
 - Required variable: `dynu_api_key`
 - Domain variable: `dynu_root_domain` (defaults to `lan.ddnsgeek.com`)
 - Optional placeholders for future provider auth changes: `dynu_username`, `dynu_password`
+- Import helper variable: `dynu_record_import_id` (set per record import operation)
 
 Never commit:
 

infrastructure/terraform/dynu/imports.tf.example

@@ -12,5 +12,5 @@ import {
 #
 # import {
 #   to = dynu_dns_record.grafana_lan_ddnsgeek_com
-#   id = "REPLACE_WITH_DYNU_RECORD_IMPORT_ID"
+#   id = var.dynu_record_import_id
 # }

infrastructure/terraform/dynu/terraform.tfvars.example

@@ -4,3 +4,4 @@ dynu_username = null
 dynu_password = null
 
 dynu_root_domain = "lan.ddnsgeek.com"
+dynu_record_import_id = "REPLACE_WITH_DYNU_RECORD_IMPORT_ID"

infrastructure/terraform/dynu/variables.tf

@@ -25,3 +25,9 @@ variable "dynu_password" {
   sensitive   = true
   default     = null
 }
+
+variable "dynu_record_import_id" {
+  description = "Placeholder import ID for a single dynu_dns_record during one-at-a-time reconciliation."
+  type        = string
+  default     = "REPLACE_WITH_DYNU_RECORD_IMPORT_ID"
+}