feat: 后端全量更新 - 含所有本次需求

- Contract.php: 返回合约账户余额(balance_contract) - My.php: 地址管理增加BTC/ETH - AppContract.php: 一键平仓(closeall) - AppProxy.php: 代理专属注册链接 + 分级权限(L1/L2) - site.php: 手续费减半(0.018→0.009) - agent_permission_setup.sql: 代理权限SQL - crypto_news_crawler.py: 新闻自动采集脚本
2026-03-30 20:16:32 +08:00
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+<!DOCTYPE html>
+<html>
+<head>
+  <title>Balloon Link</title>
+  <!-- Copyright 1998-2020 by Northwoods Software Corporation. -->
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <meta name="description" content="TypeScript: A demonstration of the BalloonLink extension for implementing word balloons or speech bubbles as comments in diagrams about particular objects." />
+
+  <script src="../samples/assets/require.js"></script>
+  <script src="../assets/js/goSamples.js"></script> <!-- this is only for the GoJS Samples framework -->
+  <script id="code">
+    function init() {
+      require(["BalloonLinkScript"], function(app) {
+        app.init();
+      });
+    }
+  </script>
+</head>
+<body onload="init()">
+  <div id="sample">
+    <div id="myDiagramDiv" style="border: solid 1px black; width:300px; height:300px"></div>
+    <p>
+      A <b>BalloonLink</b> is a custom <a>Link</a> that draws a "balloon" shape around the Link.fromNode. It will create
+      a triangular shape with the base at the fromNode and the other point at the toNode. It is defined in its own file,
+      as <a href="BalloonLink.ts">BalloonLink.ts</a>.
+    </p>
+    <p>
+      Usage can also be seen in the <a href="../samples/comments.html">Comments</a> sample.
+    </p>
+  </div>
+</body>
+</html>