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

backend/internal/service/usage_log_cyber_test.go

@@ -0,0 +1,25 @@
+package service
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestRequestTypeCyberBlocked(t *testing.T) {
+	require.True(t, RequestTypeCyberBlocked.IsValid())
+	require.Equal(t, "cyber", RequestTypeCyberBlocked.String())
+
+	rt, err := ParseUsageRequestType("cyber")
+	require.NoError(t, err)
+	require.Equal(t, RequestTypeCyberBlocked, rt)
+
+	// 显式 cyber 被 EffectiveRequestType 保留（不被 legacy 推导覆盖）
+	u := &UsageLog{RequestType: RequestTypeCyberBlocked, Stream: true}
+	require.Equal(t, RequestTypeCyberBlocked, u.EffectiveRequestType())
+
+	// Sync 保留 cyber 且不覆盖真实 stream
+	u.SyncRequestTypeAndLegacyFields()
+	require.Equal(t, RequestTypeCyberBlocked, u.RequestType)
+	require.True(t, u.Stream, "cyber 不应覆盖真实 stream 字段")
+}