feat(aigc): add shared work page and AIGC sharing

- add new shared work page to view shared AIGC generated images and videos
- add createAigcGeneratorTaskShare and getAigcGeneratorTaskShareDetail APIs
- update ResultActions component to add share preparation state and native share support
- remove deprecated SharePreviewPopup component and its associated styles
- update AIGC detail page to generate share keys and adjust native share metadata
- register the new shared work page in pages.json

src/pages-aigc/sharedWork/sharedWork.vue

@@ -0,0 +1,118 @@
+<template>
+  <view class="shared-work-page">
+    <view class="shared-work-nav">
+      <TopNavBar title="旅行作品" background="transparent" title-color="#173a5f" back-icon-color="#173a5f"
+        :align-with-menu-button="true" :z-index="3" @back="handleBack" />
+    </view>
+
+    <view class="shared-work-scroll" scroll-y>
+      <template v-if="shareDetail">
+        <video v-if="isVideo" class="shared-work-media is-video" :src="shareDetail.videoUrl"
+          :poster="shareDetail.imageUrl" controls object-fit="cover" />
+        <image v-else-if="shareDetail.imageUrl" class="shared-work-media" :src="shareDetail.imageUrl" mode="widthFix" />
+
+        <view class="shared-work-meta">
+          <text class="shared-work-title">{{ shareDetail.templateName || "旅行作品" }}</text>
+          <text class="shared-work-type">{{ generatorTypeText }}</text>
+        </view>
+      </template>
+    </view>
+
+    <view class="shared-work-cta-wrap">
+      <button class="shared-work-cta" hover-class="is-pressed" @tap="handleCreateOwn">
+        我也生成一个
+      </button>
+    </view>
+  </view>
+</template>
+
+<script setup>
+import { computed, ref } from "vue";
+import { onLoad } from "@dcloudio/uni-app";
+import TopNavBar from "@/components/TopNavBar/index.vue";
+import { checkToken } from "@/hooks/useGoLogin.js";
+import { getAigcGeneratorTaskShareDetail } from "@/request/api/AigcApi.js";
+
+const shareKey = ref("");
+const shareDetail = ref(null);
+
+const isVideo = computed(() => {
+  return Number(shareDetail.value?.generatorType) === 1 && Boolean(shareDetail.value?.videoUrl);
+});
+
+const generatorTypeText = computed(() => {
+  const generatorType = shareDetail.value?.generatorType;
+  if (Number(generatorType) === 0) return "图片版";
+  if (Number(generatorType) === 1) return "视频版";
+  return generatorType === undefined || generatorType === null || generatorType === ""
+    ? "生成作品"
+    : `类型${generatorType}`;
+});
+
+const showToast = (title) => {
+  uni.showToast({
+    title,
+    icon: "none",
+  });
+};
+
+const fetchShareDetail = async () => {
+  uni.showLoading({
+    title: "加载中",
+    mask: true,
+  });
+
+  try {
+    const res = await getAigcGeneratorTaskShareDetail({ shareKey: shareKey.value });
+    if (res?.code === 0 && res.data && typeof res.data === "object" && !Array.isArray(res.data)) {
+      shareDetail.value = res.data;
+      return;
+    }
+
+    shareDetail.value = null;
+    showToast(res?.msg || "获取分享作品失败");
+  } catch (error) {
+    console.error("获取AIGC分享作品失败", error);
+    shareDetail.value = null;
+    showToast("获取分享作品失败");
+  } finally {
+    uni.hideLoading();
+  }
+};
+
+onLoad((query = {}) => {
+  shareKey.value = String(query.shareKey || "").trim();
+  if (!shareKey.value) {
+    showToast("缺少分享标识");
+    return;
+  }
+
+  fetchShareDetail();
+});
+
+const openAigcHome = () => {
+  uni.reLaunch({
+    url: "/pages-aigc/home/home",
+    fail: () => showToast("打开模板列表失败"),
+  });
+};
+
+const handleBack = () => {
+  const pages = getCurrentPages();
+  if (pages.length > 1) {
+    uni.navigateBack();
+    return;
+  }
+
+  openAigcHome();
+};
+
+const handleCreateOwn = async () => {
+  await checkToken();
+  openAigcHome();
+};
+</script>
+
+<style scoped lang="scss">
+@import "./styles/index.scss";
+</style>