feat: 价格试算模块优化

studio/src/pages/product/PriceInfoPanel.tsx

@@ -33,16 +33,16 @@ function dimsCm(product: ProductDetail): { l: number; w: number; h: number } {
 }
 
 /**
- * 售价信息：售价/划线价（CNY）+ 定价参数（进货价/净利率/物流等级/汇率/预留折扣）。
+ * 售价信息：售价/划线价（CNY）+ 定价参数（进货价/净利率/物流等级/汇率/划线价倍数）。
  * 重量、尺寸直接读「主要信息」的包装字段，不重复填写。
- * 任一定价参数变化即重算并回填售价（= 销售价）与划线价（= 预留折扣前价格）。
+ * 任一定价参数变化即重算并回填售价（= 销售价）与划线价（= 销售价 × (1 + 倍数%)）。
  */
 export default function PriceInfoPanel({ product, onSave }: Props) {
     const pricing = (product.pricing ?? {}) as PricingPayload;
     const [purchasePrice, setPurchasePrice] = useState(pricing.purchasePrice ?? 30);
     const [profitRate, setProfitRate] = useState(pricing.profitRate ?? 100);
     const [level, setLevel] = useState<LogisticsLevel>((pricing.logisticsLevel as LogisticsLevel) ?? 'low');
-    const [reserve, setReserve] = useState(pricing.discountReserve ?? 50);
+    const [multiplier, setMultiplier] = useState(pricing.lineMultiplier ?? 100);
     const [fxRate, setFxRate] = useState(product.fx_rate ?? pricing.fxRate ?? 0);
 
     // 币种固定人民币：历史数据（默认 RUB）打开编辑页时纠正一次
@@ -67,7 +67,7 @@ export default function PriceInfoPanel({ product, onSave }: Props) {
     const tdPrice = pricing.tdPrice ?? 3;
 
     /** 用当前参数（可被 patch 覆盖）实时计算，不落库 */
-    const compute = (patch: Partial<{ purchasePrice: number; profitRate: number; level: LogisticsLevel; reserve: number; fxRate: number }> = {}) =>
+    const compute = (patch: Partial<{ purchasePrice: number; profitRate: number; level: LogisticsLevel; multiplier: number; fxRate: number }> = {}) =>
         calculatePricing({
             purchasePrice: patch.purchasePrice ?? purchasePrice,
             profitRate: patch.profitRate ?? profitRate,
@@ -75,17 +75,17 @@ export default function PriceInfoPanel({ product, onSave }: Props) {
             weightG: weightGrams(product),
             dims: dimsCm(product),
             tdPrice,
-            discountReserve: patch.reserve ?? reserve,
+            lineMultiplier: patch.multiplier ?? multiplier,
             fxRate: patch.fxRate ?? fxRate,
         });
 
     /** 重算并落库：定价参数 + 售价/划线价一并保存 */
-    const recalc = (patch: Partial<{ purchasePrice: number; profitRate: number; level: LogisticsLevel; reserve: number; fxRate: number }> = {}) => {
+    const recalc = (patch: Partial<{ purchasePrice: number; profitRate: number; level: LogisticsLevel; multiplier: number; fxRate: number }> = {}) => {
         const p = {
             purchasePrice: patch.purchasePrice ?? purchasePrice,
             profitRate: patch.profitRate ?? profitRate,
             level: patch.level ?? level,
-            reserve: patch.reserve ?? reserve,
+            multiplier: patch.multiplier ?? multiplier,
             fxRate: patch.fxRate ?? fxRate,
         };
         const r = compute(patch);
@@ -98,7 +98,7 @@ export default function PriceInfoPanel({ product, onSave }: Props) {
                 weightG: weightGrams(product),
                 dims: dimsCm(product),
                 tdPrice,
-                discountReserve: p.reserve,
+                lineMultiplier: p.multiplier,
                 fxRate: p.fxRate,
                 logisticsFee: r.logisticsFee,
                 fullCommission: r.fullCommission,
@@ -109,7 +109,7 @@ export default function PriceInfoPanel({ product, onSave }: Props) {
             },
             fx_rate: p.fxRate,
             price: r.sellingPriceCny,
-            old_price: r.reservedPriceCny,
+            old_price: r.linePriceCny,
             currency_code: 'CNY',
         });
     };
@@ -189,15 +189,15 @@ export default function PriceInfoPanel({ product, onSave }: Props) {
                     />
                 </Col>
                 <Col span={5}>
-                    <FieldLabel>预留折扣 %</FieldLabel>
+                    <FieldLabel>划线价倍数 %</FieldLabel>
                     <InputNumber
                         style={{ width: '100%' }}
                         min={0}
-                        max={95}
-                        value={reserve}
+                        max={500}
+                        value={multiplier}
                         onChange={(v) => {
-                            setReserve(v ?? 0);
-                            recalc({ reserve: v ?? 0 });
+                            setMultiplier(v ?? 0);
+                            recalc({ multiplier: v ?? 0 });
                         }}
                     />
                 </Col>