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

addons/kefu/example/kefu_uni/pages/kefu/config.js

@@ -0,0 +1,20 @@
+const expression = [
+	{'title':'[zy]', 'src':'/emoji/1.png'},{'title':'[zm]', 'src':'/emoji/2.png'},{'title':'[jy]', 'src':'/emoji/3.png'},
+	{'title':'[jyb]', 'src':'/emoji/4.png'},{'title':'[bx]', 'src':'/emoji/5.png'},{'title':'[kzn]', 'src':'/emoji/6.png'},
+	{'title':'[gg]', 'src':'/emoji/7.png'},{'title':'[ll]', 'src':'/emoji/8.png'},{'title':'[jyll]', 'src':'/emoji/9.png'},
+	{'title':'[o]', 'src':'/emoji/10.png'},{'title':'[yz]', 'src':'/emoji/11.png'},{'title':'[wx]', 'src':'/emoji/12.png'},
+	{'title':'[zyb]', 'src':'/emoji/13.png'},{'title':'[tp]', 'src':'/emoji/14.png'},{'title':'[wxb]', 'src':'/emoji/15.png'},
+	{'title':'[zyc]', 'src':'/emoji/16.png'},{'title':'[llb]', 'src':'/emoji/17.png'},{'title':'[xm]', 'src':'/emoji/18.png'},
+	{'title':'[qz]', 'src':'/emoji/19.png'},{'title':'[zmb]', 'src':'/emoji/20.png'},{'title':'[kx]', 'src':'/emoji/21.png'},
+	{'title':'[mm]', 'src':'/emoji/22.png'},{'title':'[bz]', 'src':'/emoji/23.png'},{'title':'[bkx]', 'src':'/emoji/24.png'},
+	{'title':'[mg]', 'src':'/emoji/25.png'},{'title':'[pz]', 'src':'/emoji/26.png'},{'title':'[pzb]', 'src':'/emoji/27.png'},
+	{'title':'[wxc]', 'src':'/emoji/28.png'},{'title':'[jyc]', 'src':'/emoji/29.png'},{'title':'[jyd]', 'src':'/emoji/30.png'},
+	{'title':'[dm]', 'src':'/emoji/31.png'},{'title':'[tpb]', 'src':'/emoji/32.png'},{'title':'[tpc]', 'src':'/emoji/33.png'},
+	{'title':'[tpd]', 'src':'/emoji/34.png'},{'title':'[ly]', 'src':'/emoji/35.png'},{'title':'[zyd]', 'src':'/emoji/36.png'},
+];
+
+export default {
+	baseURL: 'kefu.com', // 启动workerman服务的域名，无需填写协议和端口
+	https_switch: false, // 是否启用https协议(默认关，正式版必开，且需要参考文档创建wss服务)
+	expression
+}

addons/kefu/example/kefu_uni/pages/kefu/index.vue

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+<template>
+	<view class="main">
+		<navigator url="/pages/kefu/kefu">打开客服会话窗口-游客</navigator>
+
+		<!-- <navigator url="/pages/kefu/kefu?token=b3cc58e6-b433-48a3-8dc9-8a28e4036b62">打开客服会话窗口-指定用户</navigator> -->
+
+		<!-- 可选参数，用户的 `token` 和 固定客服ID `fixed_csr` -->
+		<!-- 不传递 `token` 则自动建立游客身份 -->
+		<!-- 后台转移过客服代表的客户，不支持指定 `fixed_csr`-->
+		<!-- 本客服系统客户端，依赖FastAdmin插件：`workerman在线客服系统`无法单独使用，插件介绍/官网地址：https://www.fastadmin.net/store/kefu.html -->
+	</view>
+</template>
+
+<script>
+	export default {
+		data() {
+			return {
+
+			}
+		},
+		methods: {
+
+		}
+	}
+</script>
+
+<style>
+.main{
+	height: 50vh;
+	display: flex;
+	justify-content: center;
+	align-items: center;
+}
+.main navigator{
+	border: 1px solid #F2F2F2;
+	padding: 20rpx;
+	border-radius: 12rpx;
+}
+</style>