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/GeometryReshapingScript.ts

@@ -0,0 +1,41 @@
+/*
+*  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 { GeometryReshapingTool } from './GeometryReshapingTool.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;
+
+  const myDiagram = $(go.Diagram, 'myDiagramDiv',  // create a Diagram for the DIV HTML element
+    {
+      'undoManager.isEnabled': true  // enable undo & redo
+    });
+
+  myDiagram.toolManager.mouseDownTools.insertAt(3, new GeometryReshapingTool());
+
+  myDiagram.nodeTemplate =
+    $(go.Node,
+      { reshapable: true },  // GeometryReshapingTool assumes nonexistent Part.reshapeObjectName would be "SHAPE"
+      $(go.Shape,
+        { name: 'SHAPE', fill: 'lightgray', strokeWidth: 1.5 },
+        new go.Binding('geometryString', 'geo').makeTwoWay()
+      )
+    );
+
+  myDiagram.model = new go.GraphLinksModel([{ geo: 'F M0 145 L75 2 L131 87 L195 0 L249 143z', key: -1 }], []);
+
+  // Attach to the window for console manipulation
+  (window as any).myDiagram = myDiagram;
+}