Sub2API v1.0 - AI API 网关（二开初始版本，基于上游 Wei-Shaw/sub2api）

backend/internal/server/routes/gateway_codex_models_test.go

@@ -0,0 +1,24 @@
+package routes
+
+import (
+	"net/http"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestGatewayRoutesCodexModelsManifestPathIsRegistered(t *testing.T) {
+	router := newGatewayRoutesTestRouter()
+
+	registered := make(map[string]string)
+	for _, route := range router.Routes() {
+		if route.Method == http.MethodGet {
+			registered[route.Path] = route.Handler
+		}
+	}
+
+	require.NotEmpty(t, registered["/backend-api/codex/models"], "GET /backend-api/codex/models should be registered")
+	require.NotEmpty(t, registered["/v1/models"], "GET /v1/models should be registered")
+	require.NotEmpty(t, registered["/models"], "GET /models should be registered")
+	require.Equal(t, registered["/v1/models"], registered["/models"], "root alias should use the same platform-aware handler")
+}