feat(admin): 仪表盘重构、代理线路修复与后台体验优化

- 各角色仪表盘：KPI 可点击跳转、快捷入口、去重冗余区块，代理/站点降级 analytics
- 代理线路：创建玩家权限、侧栏搜索、深链 URL、档案保存与删除预检等修复
- 统一密码最短 6 位；代理模块表格/侧栏背景色一致（admin-table-inset）
- 报表、钱包、对账、开奖、结算、配置等模块结构与 i18n 同步更新

src/i18n/locales/zh/settlementCenter.json

@@ -38,6 +38,7 @@
     "unsettledTickets": "未结算注单",
     "openReportHint": "进行中账期：占成/输赢来自账期内流水；账单数在关账后更新。",
     "viewDetail": "查看详情",
+    "processBills": "处理账单",
     "close": "关账",
     "closeNow": "立即关账",
     "hasOpen": "已有进行中账期 {{range}}，须先关账才能开新期。",
@@ -51,6 +52,7 @@
     "periods": "账期",
     "bills": "账单",
     "operations": "收付与调账",
+    "aria": "账期视图",
     "ledger": "账务流水",
     "creditLedger": "信用流水",
     "playerBills": "玩家账单",
@@ -198,7 +200,8 @@
   "actions": {
     "detail": "详情",
     "viewBill": "查看账单",
-    "billDetail": "账单详情"
+    "billDetail": "账单详情",
+    "billDetailWithId": "账单 #{{id}}"
   },
   "billDisplay": {
     "settlementFlow": "谁付谁",
@@ -235,6 +238,7 @@
     "unpaidAwaitingPayment": "请登记线下收付",
     "fullySettled": "本期已结清",
     "confirmHint": "确认后才可以登记收款或付款。",
+    "advancedActions": "调账 / 坏账",
     "recordReceiptFrom": "登记收款（{{payer}} 付给 {{payee}}）",
     "recordPayoutTo": "登记付款（{{payer}} 付给 {{payee}}）",
     "rebateAllocationsHint": "各层级代理对回水的承担明细。",
@@ -321,7 +325,13 @@
     "hierarchyHint": "同一账期会生成多笔账单：玩家先与直属代理结，代理扣除本级占成后再向上级缴纳。因此「输赢」可能相同，但「结算金额」会逐级减少。",
     "emptyFiltered": "当前筛选下暂无账单，请改为「全部状态」或重置筛选。",
     "emptyClosed": "本期已关账但暂无账单。常见原因：账期内无信用盘玩家的已结算注单，或占成流水不在本账期时间范围内。",
-    "intro": "关账后生成的占成账单。可按类型或状态筛选，详情内确认或登记收付。"
+    "intro": "关账后生成的占成账单。可按类型或状态筛选，详情内确认或登记收付。",
+    "confirmOneTitle": "确认账单 #{{id}}？",
+    "confirmOneDesc": "确认后进入待收付，可登记线下收付。",
+    "confirmOneBtn": "确认",
+    "confirmedOne": "已确认",
+    "confirmFailed": "确认失败",
+    "payBtn": "收付"
   },
   "panels": {
     "workbench": {