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/RescalingScript.ts

@@ -0,0 +1,56 @@
+/*
+*  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 { RescalingTool } from "./RescalingTool.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
+    {
+      layout: $(go.TreeLayout),
+      "undoManager.isEnabled": true  // enable undo & redo
+    });
+
+  // install the RescalingTool as a mouse-down tool
+  myDiagram.toolManager.mouseDownTools.add(new RescalingTool());
+
+  myDiagram.nodeTemplate =
+    $(go.Node, "Auto",
+      { locationSpot: go.Spot.Center },
+      new go.Binding("scale").makeTwoWay(),
+      $(go.Shape, "RoundedRectangle", { strokeWidth: 0 },
+        new go.Binding("fill", "color")),
+      $(go.TextBlock,
+        { margin: 8 },
+        new go.Binding("text"))
+    );
+
+  // 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: 1, text: "Alpha", color: "lightblue" },
+    { key: 2, text: "Beta", color: "orange" },
+    { key: 3, text: "Gamma", color: "lightgreen" },
+    { key: 4, text: "Delta", color: "pink" }
+  ],
+  [
+    { from: 1, to: 2 },
+    { from: 1, to: 3 },
+    { from: 3, to: 4 }
+  ]);
+}