统一金额分制重构

backend/internal/modules/dispute/repository_test.go

@@ -31,11 +31,11 @@ func TestBuildArbitrationSettlementSkipsFrozenReleaseWhenNoFrozenBalance(t *test
 			t.Fatalf("不应在无冻结余额时生成解冻流水: %+v", entry)
 		}
 	}
-	if settlement.OwnerIncomeAmount != 180 {
-		t.Fatalf("OwnerIncomeAmount = %.1f, want 180.0", settlement.OwnerIncomeAmount)
+	if settlement.OwnerIncomeAmountCent != 18000 {
+		t.Fatalf("OwnerIncomeAmountCent = %d, want 18000", settlement.OwnerIncomeAmountCent)
 	}
-	if settlement.RenterRefundAmount != 100 {
-		t.Fatalf("RenterRefundAmount = %.1f, want 100.0", settlement.RenterRefundAmount)
+	if settlement.RenterRefundAmountCent != 10000 {
+		t.Fatalf("RenterRefundAmountCent = %d, want 10000", settlement.RenterRefundAmountCent)
 	}
 	for _, entry := range settlement.Entries {
 		if entry.UserID == order.RenterID && entry.BizType == "arbitration_renter_refund" {
@@ -58,7 +58,7 @@ func TestBuildArbitrationSettlementLimitsFrozenReleaseToExistingBalance(t *testi
 	settlement, err := buildArbitrationSettlement(order, ArbitrateRequest{
 		Result: "order_close",
 		Remark: "测试裁决",
-	}, 120)
+	}, 12000)
 	if err != nil {
 		t.Fatalf("buildArbitrationSettlement() error = %v", err)
 	}
@@ -83,15 +83,15 @@ func TestBuildArbitrationHandoffContent(t *testing.T) {
 		Result: "partial_refund",
 		Remark: "账号异常，退还部分租金。",
 	}, arbitrationSettlement{
-		RenterRefundAmount: 80,
-		OwnerIncomeAmount:  120,
+		RenterRefundAmountCent: 8000,
+		OwnerIncomeAmountCent:  12000,
 	})
 
 	wantParts := []string{
 		"客服仲裁结果：部分退款",
 		"处理说明：账号异常，退还部分租金。",
-		"退款给租客：¥80.00",
-		"结算给号主：¥120.00",
+		"退款给租客：¥80.0",
+		"结算给号主：¥120.0",
 	}
 	for _, part := range wantParts {
 		if !strings.Contains(content, part) {