feat: 同步签约宝手机端功能到签约宝页面

- sign页面与签约宝精简版对齐：查看合同入口、AI积分区块（合同审查/我的报告/积分充值）
- 新增pages/ai/{points,review,reports}三个页面（与签约宝精简版一致）
- pages.json注册AI页面路由

uniCloud-tcb/cloudfunctions/router/node_modules/node-ensure/index.js

@@ -0,0 +1,10 @@
+/**
+ *  Just run the callback through setImmediate, so that it appears
+ *  asynchronous, even when unnecessary.
+ */
+
+function ensure(modules, callback) {
+  setImmediate(callback);
+}
+
+module.exports = ensure;