feat(terraform): add vauco-platform module with domain mappings + CG3 variables

infrastructure/terraform/modules/vauco-platform/main.tf

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+# ==============================================================================
+# vauco-platform — Vauco sin egen plattforminfrastruktur
+# Scope: propane-will-491900-m5 / europe-west1
+# Håndterer: Cloud Run domain mappings, salgsmodul-subdomener
+# ==============================================================================
+
+locals {
+  labels = {
+    managed-by  = "terraform"
+    team        = "vauco"
+    environment = "prod"
+  }
+}
+
+# ------------------------------------------------------------------------------
+# Eksisterende Cloud Run-service (data source — ikke opprettet av Terraform)
+# ------------------------------------------------------------------------------
+data "google_cloud_run_service" "platform" {
+  name     = var.cloud_run_service_name
+  location = var.region
+  project  = var.project_id
+}
+
+# ------------------------------------------------------------------------------
+# Domain mapping — opax.vauco.no (primær)
+# ------------------------------------------------------------------------------
+resource "google_cloud_run_domain_mapping" "opax" {
+  name     = "opax.vauco.no"
+  location = var.region
+  project  = var.project_id
+
+  metadata {
+    namespace = var.project_id
+    labels    = local.labels
+  }
+
+  spec {
+    route_name       = data.google_cloud_run_service.platform.name
+    certificate_mode = "AUTOMATIC"
+    force_override   = false
+  }
+
+  lifecycle {
+    # Ikke slett mappingen ved rename — Cloud Run domain mappings er sårbare
+    prevent_destroy = true
+  }
+}
+
+# ------------------------------------------------------------------------------
+# Domain mapping — costguard.oss.vauco.no (CG3 — salgsmodul)
+# ------------------------------------------------------------------------------
+resource "google_cloud_run_domain_mapping" "costguard_oss" {
+  name     = var.costguard_domain
+  location = var.region
+  project  = var.project_id
+
+  metadata {
+    namespace = var.project_id
+    labels    = merge(local.labels, { module = "costguard" })
+  }
+
+  spec {
+    route_name       = data.google_cloud_run_service.platform.name
+    certificate_mode = "AUTOMATIC"
+    force_override   = false
+  }
+}
+
+# ------------------------------------------------------------------------------
+# Domain mapping — dynamisk per salgsmodul
+# Brukes når nye moduler legges til i var.salesmodule_domains
+# Eks: ["threadstone.oss.vauco.no", "invoicepilot.oss.vauco.no"]
+# ------------------------------------------------------------------------------
+resource "google_cloud_run_domain_mapping" "salesmodules" {
+  for_each = toset(var.salesmodule_domains)
+
+  name     = each.value
+  location = var.region
+  project  = var.project_id
+
+  metadata {
+    namespace = var.project_id
+    labels    = merge(local.labels, { module = split(".", each.value)[0] })
+  }
+
+  spec {
+    route_name       = data.google_cloud_run_service.platform.name
+    certificate_mode = "AUTOMATIC"
+    force_override   = false
+  }
+}

infrastructure/terraform/modules/vauco-platform/outputs.tf

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+output "opax_domain" {
+  description = "OPAX operator hub URL"
+  value       = "https://${google_cloud_run_domain_mapping.opax.name}"
+}
+
+output "costguard_domain" {
+  description = "CostGuard salgsmodul URL"
+  value       = "https://${google_cloud_run_domain_mapping.costguard_oss.name}"
+}
+
+output "salesmodule_domains" {
+  description = "Alle aktive salgsmodul-URLer"
+  value       = { for k, v in google_cloud_run_domain_mapping.salesmodules : k => "https://${v.name}" }
+}
+
+output "cloud_run_service_name" {
+  description = "Cloud Run-service alle domener peker på"
+  value       = data.google_cloud_run_service.platform.name
+}

infrastructure/terraform/modules/vauco-platform/variables.tf

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+variable "project_id" {
+  description = "Vauco platform GCP project ID"
+  type        = string
+  default     = "propane-will-491900-m5"
+}
+
+variable "region" {
+  description = "Cloud Run region"
+  type        = string
+  default     = "europe-west1"
+}
+
+variable "cloud_run_service_name" {
+  description = "Navn på eksisterende Cloud Run-service"
+  type        = string
+  default     = "osvauco-agent"
+}
+
+variable "costguard_domain" {
+  description = "Primærdomene for CostGuard salgsmodul"
+  type        = string
+  default     = "costguard.oss.vauco.no"
+}
+
+variable "salesmodule_domains" {
+  description = "Liste over salgsmodul-subdomener som skal mappes til Cloud Run"
+  type        = list(string)
+  default     = []
+  # Eksempel: ["threadstone.oss.vauco.no", "invoicepilot.oss.vauco.no"]
+}

infrastructure/terraform/platform.tf

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+# ==============================================================================
+# platform.tf — Vauco sin egen plattform (propane-will-491900-m5)
+# Kjøres fra: infrastructure/terraform/
+# State: terraform.tfstate (samme workspace som vauco-bootstrap/medioteq)
+#
+# For å kjøre kun denne modulen:
+#   terraform apply -target=module.vauco_platform
+# ==============================================================================
+
+module "vauco_platform" {
+  source = "./modules/vauco-platform"
+
+  project_id             = "propane-will-491900-m5"
+  region                 = "europe-west1"
+  cloud_run_service_name = "osvauco-agent"
+  costguard_domain       = "costguard.oss.vauco.no"
+
+  # Legg til nye salgsmodul-subdomener her etter hvert:
+  salesmodule_domains = [
+    # "threadstone.oss.vauco.no",
+    # "invoicepilot.oss.vauco.no",
+  ]
+}
+
+output "platform_opax_url" {
+  value = module.vauco_platform.opax_domain
+}
+
+output "platform_costguard_url" {
+  value = module.vauco_platform.costguard_domain
+}