修复(#17): 修复订阅流量限制更新未生效

Closes HIF-17

internal/logic/admin/user/updateUserSubscribeLogic_test.go

@@ -0,0 +1,32 @@
+package user
+
+import (
+	"testing"
+
+	"github.com/perfect-panel/server/internal/types"
+)
+
+func TestMarshalUserSubscribeTrafficLimit(t *testing.T) {
+	rules := []types.TrafficLimit{
+		{
+			StatType:     "hour",
+			StatValue:    1,
+			TrafficUsage: 1,
+			SpeedLimit:   1,
+		},
+	}
+
+	got, err := marshalUserSubscribeTrafficLimit(rules)
+	if err != nil {
+		t.Fatalf("marshalUserSubscribeTrafficLimit() error = %v", err)
+	}
+	if got == nil {
+		t.Fatal("marshalUserSubscribeTrafficLimit() returned nil")
+		return
+	}
+
+	want := `[{"stat_type":"hour","stat_value":1,"traffic_usage":1,"speed_limit":1}]`
+	if *got != want {
+		t.Fatalf("marshalUserSubscribeTrafficLimit() = %q, want %q", *got, want)
+	}
+}