Fix router frontdoor readiness and route contracts

devops/compose/scripts/router-mode-redeploy.ps1

@@ -1,5 +1,5 @@
 param(
-    [ValidateSet("microservice", "reverseproxy")]
+    [ValidateSet("microservice")]
     [string]$Mode = "microservice",
     [string]$ComposeFile = "docker-compose.stella-ops.yml",
     [int]$WaitTimeoutSeconds = 1200,
@@ -25,7 +25,6 @@ if (-not (Test-Path -LiteralPath $resolvedComposeFile)) {
 
 $configFileName = switch ($Mode) {
     "microservice" { "router-gateway-local.json" }
-    "reverseproxy" { "router-gateway-local.reverseproxy.json" }
     default { throw "Unsupported mode: $Mode" }
 }