feat: 新增实验性微信卡片分享与自动部署能力

补充 Cloudflare Worker、R2 存储、微信 JS-SDK 签名与上传鉴权
增加自动部署 Skill 和配置引导文档
优化报告工具栏、微信卡片弹窗及窄屏响应式布局
补充 Worker 鉴权、卡片生成、过期清理与安全转义测试

services/share-card-worker/wrangler.verify.jsonc

@@ -0,0 +1,16 @@
+{
+  "$schema": "node_modules/wrangler/config-schema.json",
+  "name": "wechatexplorer-share-card",
+  "main": "src/index.js",
+  "compatibility_date": "2026-07-23",
+  "routes": [
+    {
+      "pattern": "share.example.com",
+      "custom_domain": true
+    }
+  ],
+  "vars": {
+    "PUBLIC_ORIGIN": "https://share.example.com",
+    "DEFAULT_EXPIRY_DAYS": "7"
+  }
+}