feat(mini-app, docs): 新增小程序详情页，更新项目文档与规范

新增全套关联组件：DetailHero、DetailOverviewCard、DetailInfoCard、DetailMediaGallery、DetailActionBar及ConciergeContactSheet。
新增详情页数据处理工具类detailPresentation.ts，处理商品展示数据的格式化与默认值兼容。
更新项目文档：补充三个领域API补充文档引用，优化AGENTS.md中的前端代码规范与docs文档列表。

WonderQ-MiniAPP/src/pages/detail/components/DetailOverviewCard.vue

@@ -0,0 +1,49 @@
+<template>
+  <view
+    class="relative z-10 -mt-4 mx-3 rounded-[12px] border border-[#e8e2da] bg-white p-4 shadow-[0_8px_24px_rgba(63,48,37,0.08)]">
+    <text class="block text-[22px] font-bold leading-7 text-[#24211f]">{{ presentation.title }}</text>
+
+    <view class="mt-4 flex items-end justify-between gap-3 border-t border-[#f0ebe5] pt-3">
+      <view>
+        <text class="block text-[11px] text-[#a69d95]">参考起价</text>
+        <view class="mt-1 flex items-baseline gap-1">
+          <text class="text-[25px] font-bold leading-none text-[#e96635]">¥{{ formatWan(product.price) }}</text>
+          <text class="text-[11px] text-[#8f857d]">万起/人</text>
+        </view>
+      </view>
+    </view>
+
+    <view class="mt-4 grid grid-cols-3 gap-2">
+      <view v-for="item in quickFacts" :key="item.label" class="rounded-[8px] bg-[#f8f6f2] px-2 py-2.5">
+        <text class="block text-[10px] text-[#a39a91]">{{ item.label }}</text>
+        <text class="mt-1 block truncate text-[12px] font-medium text-[#3d3833]">{{ item.value }}</text>
+      </view>
+    </view>
+  </view>
+</template>
+
+<script setup lang="ts">
+import { toRefs } from "vue";
+import { formatWan } from "@/lib/data";
+import type { Product } from "@/lib/types";
+import type { DetailPresentation } from "./detailPresentation";
+
+const props = defineProps<{
+  product: Product;
+  meta: { location: string; summary: string };
+  presentation: DetailPresentation;
+  favorite: boolean;
+}>();
+
+defineEmits<{
+  toggleFavorite: [];
+}>();
+
+const quickFacts = [
+  { label: "出行方式", value: "小包团" },
+  { label: "适合人数", value: "2-8人" },
+  { label: "服务方式", value: "管家跟进" },
+];
+
+const { product, meta, presentation, favorite } = toRefs(props);
+</script>