feat: sync deployed v1.0.0-rc.38-custom.42

Sync production source including routing, billing, Astra detection and public uptime. Update custom build instructions and license packaging.

controller/relay_client_error_test.go

@@ -2,6 +2,7 @@ package controller
 
 import (
 	"errors"
+	"fmt"
 	"net/http"
 	"strings"
 	"testing"
@@ -43,3 +44,20 @@ func TestClientFacingErrorKeepsLocalValidationMessage(t *testing.T) {
 		t.Fatalf("local validation message was hidden: %q", got.Message)
 	}
 }
+
+func TestClientFacingResponseGuardErrorNamesDeclaredModel(t *testing.T) {
+	err := types.NewErrorWithStatusCode(
+		errors.New("Requested model gpt-6-astra, but the upstream response declared gpt-5.6-luna."),
+		"response_model_rejected",
+		http.StatusConflict,
+	)
+	got := clientFacingOpenAIError(err, true, "local-request-id")
+	if fmt.Sprint(got.Code) != "response_model_rejected" {
+		t.Fatalf("unexpected public code: %v", got.Code)
+	}
+	for _, expected := range []string{"gpt-6-astra", "gpt-5.6-luna", "local-request-id"} {
+		if !strings.Contains(got.Message, expected) {
+			t.Fatalf("public mismatch message %q does not contain %q", got.Message, expected)
+		}
+	}
+}