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/samplesTS/minimalModule.js

@@ -0,0 +1,41 @@
+'use strict';
+/*
+*  Copyright (C) 1998-2020 by Northwoods Software Corporation. All Rights Reserved.
+*/
+// Unlike the other files in this directory,
+// you must compile this file with:
+// tsc -p .\tsconfigModule.json
+import * as go from '../release/go.mjs';
+export function init() {
+    if (window.goSamples)
+        window.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, 'RoundedRectangle', { 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')));
+    // but use the default Link template, by not setting Diagram.linkTemplate
+    // 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' },
+        { key: 'Gamma', color: 'lightgreen' },
+        { key: 'Delta', color: 'pink' }
+    ], [
+        { from: 'Alpha', to: 'Beta' },
+        { from: 'Alpha', to: 'Gamma' },
+        { from: 'Beta', to: 'Beta' },
+        { from: 'Gamma', to: 'Delta' },
+        { from: 'Delta', to: 'Alpha' }
+    ]);
+    // Attach to the window for console manipulation
+    window.myDiagram = myDiagram;
+}