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

public/GoJS-master/extensionsTS/BalloonLinkScript.ts

@@ -0,0 +1,55 @@
+/*
+*  Copyright (C) 1998-2020 by Northwoods Software Corporation. All Rights Reserved.
+*/
+
+/*
+* This is an extension and not part of the main GoJS library.
+* Note that the API for this class may change with any version, even point releases.
+* If you intend to use an extension in production, you should copy the code to your own source directory.
+* Extensions can be found in the GoJS kit under the extensions or extensionsTS folders.
+* See the Extensions intro page (https://gojs.net/latest/intro/extensions.html) for more information.
+*/
+
+import * as go from '../release/go.js';
+import { BalloonLink } from './BalloonLink.js';
+
+export function init() {
+  if ((window as any).goSamples()) (window as any).goSamples();  // init for these samples -- you don't need to call this
+
+  const $ = go.GraphObject.make;  // for conciseness in defining templates
+
+  const myDiagram = $(go.Diagram, 'myDiagramDiv',  // create a Diagram for the DIV HTML element
+    {
+      'undoManager.isEnabled': true  // enable undo & redo
+    });
+
+  // define a simple Node template
+  myDiagram.nodeTemplate =
+    $(go.Node, 'Auto',  // the Shape will go around the TextBlock
+      $(go.Shape, 'Rectangle', { strokeWidth: 0 },
+        // Shape.fill is bound to Node.data.color
+        new go.Binding('fill', 'color')),
+      $(go.TextBlock,
+        { margin: 8 },  // some room around the text
+        // TextBlock.text is bound to Node.data.key
+        new go.Binding('text', 'key'))
+    );
+
+  myDiagram.linkTemplate =
+    $(BalloonLink,
+      $(go.Shape,
+        { stroke: 'limegreen', strokeWidth: 3, fill: 'limegreen' })
+    );
+  // create the model data that will be represented by Nodes and Links
+  myDiagram.model = new go.GraphLinksModel(
+    [
+      { key: 'Alpha', color: 'lightblue' },
+      { key: 'Beta', color: 'orange' }
+    ],
+    [
+      { from: 'Alpha', to: 'Beta' }
+    ]);
+
+  // Attach to the window for console manipulation
+  (window as any).myDiagram = myDiagram;
+}