feat(wanfa): 新增路线详情参考价格配置及展示功能

- 新增数据库迁移脚本，为详情表添加四个价格相关字段
- 完善后端schema校验、序列化逻辑，增加价格相关的数据清理与验证规则
- 新增价格配置校验逻辑，设置起售价时必须选择对应的计价单位
- 在Admin UI详情编辑器中新增价格配置模块，支持配置起售价、计价单位、适用人数范围和价格说明
- 更新小程序端详情页面，支持展示配置的参考价格信息
- 补充相关测试用例，更新API文档与类型定义

WonderQ-MiniAPP/src/pages/detail/components/detailPresentation.ts

@@ -31,6 +31,10 @@ function createRouteFallback(route: PlayRoute): DetailPresentation {
       "最终行程以出行日期、人数和资源确认结果为准。",
     ],
     gallery: Array.from(new Set([route.image, ...sharedGallery])).slice(0, 5),
+    priceStartingValue: null,
+    priceUnit: null,
+    pricePeopleRange: "",
+    priceDescription: "",
     conciergeAdvisor: null,
   };
 }
@@ -61,6 +65,19 @@ function cleanGallery(value: unknown) {
   );
 }
 
+function cleanPriceStartingValue(value: unknown, fallback: number | null) {
+  if (typeof value !== "number" || !Number.isFinite(value) || value < 0) return fallback;
+  return Number(value.toFixed(2));
+}
+
+function cleanPriceUnit(value: unknown, fallback: PublicDetail["priceUnit"]): PublicDetail["priceUnit"] {
+  return value === "person" || value === "day" || value === "group" ? value : fallback;
+}
+
+function cleanOptionalText(value: unknown, fallback: string) {
+  return cleanText(value) || fallback;
+}
+
 export function findWanfaRouteDetailFallback(routeId: string) {
   return routeFallbacks.get(routeId) ?? null;
 }
@@ -78,6 +95,10 @@ export function normalizeDetailPresentation(
   const intro = cleanText(source.intro) || fallback?.intro || "";
   const gallery = cleanGallery(source.gallery);
   const conciergeAdvisor = normalizeConciergeAdvisor(source.conciergeAdvisor);
+  const priceStartingValue = cleanPriceStartingValue(source.priceStartingValue, fallback?.priceStartingValue ?? null);
+  const priceUnit = cleanPriceUnit(source.priceUnit, fallback?.priceUnit ?? null);
+  const pricePeopleRange = cleanOptionalText(source.pricePeopleRange, fallback?.pricePeopleRange ?? "");
+  const priceDescription = cleanOptionalText(source.priceDescription, fallback?.priceDescription ?? "");
 
   if (!key || !eyebrow || !duration || !title || !subtitle || !intro) {
     return fallback;
@@ -95,6 +116,10 @@ export function normalizeDetailPresentation(
     excluded: cleanList(source.excluded).length ? cleanList(source.excluded) : fallback?.excluded ?? [],
     notes: cleanList(source.notes).length ? cleanList(source.notes) : fallback?.notes ?? [],
     gallery: gallery.length ? gallery : fallback?.gallery ?? [],
+    priceStartingValue,
+    priceUnit,
+    pricePeopleRange,
+    priceDescription,
     conciergeAdvisor,
   };
 }