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

miniprogram/pages/share-grid/index.shared.js

@@ -0,0 +1,62 @@
+const GRID_SIZE = 3;
+const TILE_COUNT = GRID_SIZE * GRID_SIZE;
+
+function normalizeQueryValue(value) {
+  return String(value || '').trim();
+}
+
+function sanitizeFileNamePart(value) {
+  const normalized = normalizeQueryValue(value)
+    .replace(/[\\/:*?"<>|]/g, '')
+    .replace(/\s+/g, '-')
+    .slice(0, 32);
+  return normalized || 'taonier';
+}
+
+function buildShareGridTileFileName(params, tileIndex) {
+  const safeTitle = sanitizeFileNamePart(params.title || params.publicWorkCode);
+  const safeCode = sanitizeFileNamePart(params.publicWorkCode || 'share');
+  const order = String(tileIndex + 1).padStart(2, '0');
+  return `${safeTitle}-${safeCode}-${order}.png`;
+}
+
+function normalizeShareGridQuery(query) {
+  return {
+    imageUrl: normalizeQueryValue(query && query.imageUrl),
+    title: normalizeQueryValue(query && query.title) || '我的作品',
+    publicWorkCode: normalizeQueryValue(query && query.publicWorkCode),
+  };
+}
+
+function buildShareGridTilePlan(imageWidth, imageHeight) {
+  const tileWidth = Math.floor(imageWidth / GRID_SIZE);
+  const tileHeight = Math.floor(imageHeight / GRID_SIZE);
+  const plan = [];
+
+  for (let row = 0; row < GRID_SIZE; row += 1) {
+    for (let col = 0; col < GRID_SIZE; col += 1) {
+      const index = row * GRID_SIZE + col;
+      const sourceX = col * tileWidth;
+      const sourceY = row * tileHeight;
+      plan.push({
+        index,
+        row,
+        col,
+        sourceX,
+        sourceY,
+        sourceWidth: col === GRID_SIZE - 1 ? imageWidth - sourceX : tileWidth,
+        sourceHeight: row === GRID_SIZE - 1 ? imageHeight - sourceY : tileHeight,
+      });
+    }
+  }
+
+  return plan;
+}
+
+module.exports = {
+  GRID_SIZE,
+  TILE_COUNT,
+  buildShareGridTileFileName,
+  buildShareGridTilePlan,
+  normalizeShareGridQuery,
+};