重构作品分享链路

统一发布分享弹窗为作品分享卡片

支持下载分享卡与小程序九宫切图保存

小程序复制链接改为可直达作品详情的 web-view 路径

修复本地 dev Rust 构建绕过损坏 sccache

补充分享链路与 dev 启动文档和测试

src/services/wechatMiniProgramShareGrid.ts

@@ -0,0 +1,96 @@
+import { isWechatMiniProgramWebViewRuntime } from './authService';
+
+const WECHAT_JS_SDK_URL = 'https://res.wx.qq.com/open/js/jweixin-1.6.0.js';
+const SHARE_GRID_PAGE_URL = '/pages/share-grid/index';
+
+function loadWechatMiniProgramBridge() {
+  if (
+    typeof window === 'undefined' ||
+    !isWechatMiniProgramWebViewRuntime()
+  ) {
+    return Promise.reject(new Error('not_mini_program'));
+  }
+
+  if (window.wx?.miniProgram?.navigateTo) {
+    return Promise.resolve(window.wx);
+  }
+
+  return new Promise<NonNullable<Window['wx']>>((resolve, reject) => {
+    const existingScript = document.querySelector<HTMLScriptElement>(
+      `script[src="${WECHAT_JS_SDK_URL}"]`,
+    );
+    const complete = () => {
+      if (window.wx?.miniProgram?.navigateTo) {
+        resolve(window.wx);
+      } else {
+        reject(new Error('wechat_js_sdk_unavailable'));
+      }
+    };
+
+    if (existingScript) {
+      existingScript.addEventListener('load', complete, { once: true });
+      existingScript.addEventListener(
+        'error',
+        () => reject(new Error('wechat_js_sdk_load_failed')),
+        { once: true },
+      );
+      complete();
+      return;
+    }
+
+    const script = document.createElement('script');
+    script.src = WECHAT_JS_SDK_URL;
+    script.async = true;
+    script.onload = complete;
+    script.onerror = () => reject(new Error('wechat_js_sdk_load_failed'));
+    document.head.appendChild(script);
+  });
+}
+
+function buildAbsoluteUrl(value: string) {
+  if (typeof window === 'undefined') {
+    return value;
+  }
+
+  return new URL(value, window.location.origin).href;
+}
+
+export function canUseWechatMiniProgramShareGrid() {
+  return isWechatMiniProgramWebViewRuntime();
+}
+
+export async function openWechatMiniProgramShareGridPage(params: {
+  imageUrl: string;
+  title: string;
+  publicWorkCode: string;
+}) {
+  const imageUrl = params.imageUrl.trim();
+  if (!imageUrl) {
+    return false;
+  }
+
+  const wxBridge = await loadWechatMiniProgramBridge();
+  const miniProgram = wxBridge.miniProgram;
+  if (!miniProgram?.navigateTo) {
+    return false;
+  }
+
+  const searchParams = new URLSearchParams({
+    imageUrl: buildAbsoluteUrl(imageUrl),
+    title: params.title.trim() || '我的作品',
+    publicWorkCode: params.publicWorkCode.trim(),
+  });
+  const url = `${SHARE_GRID_PAGE_URL}?${searchParams.toString()}`;
+
+  return await new Promise<boolean>((resolve) => {
+    miniProgram.navigateTo?.({
+      url,
+      success() {
+        resolve(true);
+      },
+      fail() {
+        resolve(false);
+      },
+    });
+  });
+}