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/learn/kod/static/js/lib/webuploader/webuploader.css

@@ -0,0 +1,43 @@
+.webuploader-container {
+	position: relative;
+}
+.webuploader-element-invisible {
+	position: absolute !important;
+	clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
+    clip: rect(1px,1px,1px,1px);
+}
+.webuploader-pick {
+	position: relative;
+	display: inline-block;
+	cursor: pointer;
+	background: #00b7ee;
+	padding: 10px 15px;
+	color: #fff;
+	text-align: center;
+	border-radius: 3px;
+	overflow: hidden;
+}
+.webuploader-pick-hover {
+	background: #00a2d4;
+}
+
+.webuploader-pick-disable {
+	opacity: 0.6;
+	pointer-events:none;
+}
+
+
+/*add by warlee*/
+.btns{margin-bottom: 10px;font-size: 13px;height: 28px;}
+.webuploader-pick {height: 8px;line-height: 11px;}
+
+.btns .tips{float:right;}
+.btns #picker{width:100px;float: left;}
+#uploader{height:260px;border:1px solid #ddd;overflow: auto;}
+.uploader-list .item{border-bottom: 1px solid #eee;padding:5px;font-size: 13px;}
+.uploader-list .item .info{line-height: 25px;padding:0 5px;color:#3A87AD;}  
+.uploader-list .item  span{display: block;float: left;}
+.uploader-list .item  span.state{float: right;text-align:right;}
+.uploader-list .item  span.error{color:#f30;}
+.uploader-list .item  span.title{width:200px;height: 27px;overflow: hidden;color:#444;}    
+.uploader-list .item .progress {height:20px;margin: 0 5px 5px 0;}