feat: 手动充值、邀请码注册与后台管理增强

新增玩家手动充值全流程（收款方式配置、充值下单/审核、钱包上分），
支持邀请码注册、邀请历史与专属返水率；完善后台代理/玩家管理与响应式操作栏，
并补充前台注册、充值页及多语言错误码。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/admin/src/views/dashboard/DashboardPlayers.vue

@@ -54,7 +54,7 @@ const userDistributionOption = computed(() => {
   const u = s.value?.users;
   const userSegs = u
     ? [
-        { label: t('dash.user_active'), value: u.playersActive, color: '#248f54' },
+        { label: t('dash.user_active'), value: u.playersActive, color: '#d4d4d4' },
         { label: t('dash.user_suspended'), value: u.playersSuspended, color: '#f87171' },
         { label: t('dash.user_direct'), value: u.playersDirect, color: '#60a5fa' },
         { label: t('dash.user_agents'), value: u.agentsTotal, color: '#a78bfa' },