GPU art: drop the diagonal stub at the end of the accent stripe; appraisal test helpers

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/Decentralized/UsedDealerClient.cs

@@ -20,6 +20,17 @@ namespace Decentralized
             ModHook.OnGenerateCustomerNormal += OnGenerate;
             ModHelper.AddAppraisalItem(ModInfo.Id, Appraisal, Items.GpuId("RZX50"), 2, CreateForAppraisal, u => (int)CardValue.True(Items.ToUnit(u)),
                 Items.IsGpu, null, () => L.T("appraisal.gpu"));
+            ModHelper.AddDebugFunction(ModInfo.Id, ModInfo.Name, "Appraisal client (test)", () => Log.Guard("鉴定客户（测试）", () =>
+            {
+                while (AppraisalRankHelper.GetRank() < 2) AppraisalRankHelper.Promote();
+                var pool = AppraisalItemRegistry.GetPool(AppraisalRankHelper.GetRank());
+                Log.Info($"鉴定等级 {AppraisalRankHelper.GetRank()}，可抽的物品：{string.Join(", ", pool.ConvertAll(t => t.id))}");
+                PlayerStore.Instance.storeClientManager.AddNextClient(StoreClientListAppraisal.CreateAppraisalRandom());
+            }));
+            ModHelper.AddDebugFunction(ModInfo.Id, ModInfo.Name, "Appraisal cards to counter (test)", () => Log.Guard("鉴定显卡（测试）", () =>
+            {
+                for (int i = 0; i < 3; i++) PlayerStore.Instance.AddDirectSellingItemToTable(CreateForAppraisal());
+            }));
             ModHelper.AddDebugFunction(ModInfo.Id, ModInfo.Name, "Used dealer visit (test)", () => Log.Guard("二手贩子（测试）", () =>
             {
                 var m = PlayerStore.Instance.storeClientManager;