chore(domain): yourplatform.com → breakpilot.com

Apply the platform-domain decision (2026-05-18) to every manifest,
overlay, DNS template, README, and script in this repo.

Refs: M1.1

manifests/vm-control/customer-portal.toml

@@ -3,9 +3,9 @@
 
 [[service]]
 name = "customer-portal"
-image = "registry.yourplatform.com/portal:placeholder"
+image = "registry.breakpilot.com/portal:placeholder"
 port = 3000
-domain = "*.yourplatform.com"
+domain = "*.breakpilot.com"
 depends_on = ["tenant-registry"]
 
 [service.placement]
@@ -16,5 +16,5 @@ memory = "1Gi"
 cpu = 1.0
 
 [service.env]
-KEYCLOAK_ISSUER = "https://auth.yourplatform.com/realms/breakpilot-prod"
+KEYCLOAK_ISSUER = "https://auth.breakpilot.com/realms/breakpilot-prod"
 TENANT_REGISTRY_URL = "http://tenant-registry:8080"