feat(upserver): 接入认证与KV存档并完成限定钓鱼闭环

Client/Assets/Editor/KVSaveRouteValidation.cs

@@ -0,0 +1,19 @@
+#if UNITY_EDITOR
+using System;
+using System.Linq;
+using System.Reflection;
+using System.Threading.Tasks;
+
+public static class KVSaveRouteValidation
+{
+    public static async Task<string> RunAsync(string caseId)
+    {
+        if (caseId != "fixed-route") throw new ArgumentException("Unknown fixed validation case.");
+        var assembly = AppDomain.CurrentDomain.GetAssemblies().Single(a => a.GetName().Name == "HotUpdate");
+        var type = assembly.GetType("game.PlayerDataStorage.PlayerKVSaveRouteEditorValidationHost", true);
+        var method = type.GetMethod("RunAsync", BindingFlags.Static | BindingFlags.NonPublic, null, new[] { typeof(string) }, null);
+        if (method == null) throw new InvalidOperationException("Validation entry unavailable.");
+        return await (Task<string>)method.Invoke(null, new object[] { caseId });
+    }
+}
+#endif