feat(license): warn NVM4102 in community feature mode

Certified packages without an active commercial license get a
clear advisory instead of the community LocalAppData layout warn.

Co-authored-by: Cursor 

Author: coreybutler

licensing/feature_mode.go

@@ -0,0 +1,30 @@
+package license
+
+import "fmt"
+
+const (
+	// FeatureModeWarnCode is the human-facing tag when a certified package runs
+	// without an active commercial access token (community feature mode).
+	FeatureModeWarnCode = "NVM4102"
+	// FeatureModeWarnEventID is the classic Application log EventId for that advisory.
+	FeatureModeWarnEventID = 4102
+)
+
+// InCommunityFeatureMode reports whether this is a certified package operating
+// without an active commercial license. Community Inno builds never return true.
+func InCommunityFeatureMode() bool {
+	if IsCommunityBuild() {
+		return false
+	}
+	_, ok := commercialLicenseType(accessTokenForEdition())
+	return !ok
+}
+
+// CommunityFeatureModeWarning returns the stderr/event-log advisory for certified
+// packages running without a valid commercial access token.
+func CommunityFeatureModeWarning() string {
+	return fmt.Sprintf(
+		"%s: Missing/invalid license. Operating in community build mode.",
+		FeatureModeWarnCode,
+	)
+}

licensing/feature_mode_test.go

@@ -0,0 +1,36 @@
+package license
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestInCommunityFeatureModeCertifiedWithoutToken(t *testing.T) {
+	withBuildChannel(t, "certified")
+	withEditionToken(t, "")
+
+	if !InCommunityFeatureMode() {
+		t.Fatal("expected community feature mode without token")
+	}
+	if !strings.Contains(CommunityFeatureModeWarning(), FeatureModeWarnCode) {
+		t.Fatalf("warning missing code: %q", CommunityFeatureModeWarning())
+	}
+}
+
+func TestInCommunityFeatureModeCertifiedWithCommercial(t *testing.T) {
+	withBuildChannel(t, "certified")
+	withEditionToken(t, mustMintAccessToken(t, "governance", false))
+
+	if InCommunityFeatureMode() {
+		t.Fatal("expected active commercial license")
+	}
+}
+
+func TestInCommunityFeatureModeCommunityBuild(t *testing.T) {
+	withBuildChannel(t, "community")
+	withEditionToken(t, "")
+
+	if InCommunityFeatureMode() {
+		t.Fatal("community package is not community feature mode")
+	}
+}