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/NonRealtimeDraggingScript.ts

@@ -0,0 +1,64 @@
+/*
+*  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 { NonRealtimeDraggingTool } from './NonRealtimeDraggingTool.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',
+      { // install the replacement DraggingTool:
+        draggingTool: $(NonRealtimeDraggingTool, { duration: 600 }),
+        'undoManager.isEnabled': true
+      });
+
+  myDiagram.nodeTemplate =
+    $(go.Node, 'Auto',
+      { locationSpot: go.Spot.Center },
+      $(go.Shape, 'Circle',
+        {
+          fill: 'white', // the default fill, if there is no data-binding
+          portId: '', cursor: 'pointer',  // the Shape is the port, not the whole Node
+          // allow all kinds of links from and to this port
+          fromLinkable: true, fromLinkableSelfNode: true, fromLinkableDuplicates: true,
+          toLinkable: true, toLinkableSelfNode: true, toLinkableDuplicates: true
+        },
+        new go.Binding('fill', 'color')),
+      $(go.TextBlock,
+        {
+          font: 'bold 14px sans-serif',
+          stroke: '#333',
+          margin: 6,  // make some extra space for the shape around the text
+          isMultiline: false,  // don't allow newlines in text
+          editable: true  // allow in-place editing by user
+        },
+        new go.Binding('text', 'text').makeTwoWay())  // the label shows the node data's text
+    );
+
+  myDiagram.model = new go.GraphLinksModel([
+    { key: 1, text: 'Alpha', color: 'lightblue' },
+    { key: 2, text: 'Beta', color: 'orange' },
+    { key: 3, text: 'Gamma', color: 'lightgreen', group: 5 },
+    { key: 4, text: 'Delta', color: 'pink', group: 5 },
+    { key: 5, text: 'Epsilon', color: 'green', isGroup: true }
+  ],
+  [
+    { from: 1, to: 2, color: 'blue' },
+    { from: 2, to: 2 },
+    { from: 3, to: 4, color: 'green' },
+    { from: 3, to: 1, color: 'purple' }
+  ]);
+}