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/user-form.ts

@@ -1,4 +1,6 @@
 import { FormValidationError } from '../i18n/form-validation';
+import { decimalRateToPercent } from '../utils/rate-percent';
+import { percentToDecimalRate } from '../utils/rate-percent';
 
 /** 玩家用户名：仅英文字母与数字，3–32 位 */
 export const PLAYER_USERNAME_PATTERN = /^[a-zA-Z0-9]{3,32}$/;
@@ -46,6 +48,9 @@ export interface PlayerEditForm {
   email: string;
   managedPassword: string | null;
   newPassword: string;
+  customCashbackRate: number;
+  defaultCashbackRate: number;
+  useCustomCashback: boolean;
 }
 
 export interface PlayerRow {
@@ -57,6 +62,7 @@ export interface PlayerRow {
   parentUsername: string | null;
   /** 归属代理链：一级代理、二级代理（如有） */
   affiliationAgents?: string[];
+  inviteCode?: string | null;
   phone: string | null;
   email: string | null;
   managedPassword: string | null;
@@ -73,6 +79,8 @@ export interface PlayerDetail extends PlayerRow {
   loginFailCount: number;
   lockedUntil: string | null;
   updatedAt: string;
+  customCashbackRate: string | null;
+  defaultCashbackRate: string;
 }
 
 /** 玩家归属标签，格式：玩家-平台 | 玩家-一级代理 | 玩家-一级代理-二级代理 */
@@ -124,6 +132,9 @@ export function emptyPlayerEditForm(): PlayerEditForm {
     email: '',
     managedPassword: null,
     newPassword: '',
+    customCashbackRate: 0,
+    defaultCashbackRate: 0,
+    useCustomCashback: false,
   };
 }
 
@@ -146,6 +157,10 @@ export function editFormFromDetail(d: PlayerDetail): PlayerEditForm {
     email: d.email ?? '',
     managedPassword: d.managedPassword ?? null,
     newPassword: '',
+    customCashbackRate:
+      d.customCashbackRate != null ? decimalRateToPercent(d.customCashbackRate) : 0,
+    defaultCashbackRate: decimalRateToPercent(d.defaultCashbackRate),
+    useCustomCashback: d.customCashbackRate != null,
   };
 }
 
@@ -164,7 +179,7 @@ export function buildCreatePlayerPayload(form: PlayerCreateForm) {
       email: form.email.trim() || undefined,
       asTier1Agent: true,
       creditLimit: form.creditLimit,
-      cashbackRate: form.cashbackRate,
+      cashbackRate: percentToDecimalRate(form.cashbackRate),
       maxSingleDeposit: form.maxSingleDeposit > 0 ? form.maxSingleDeposit : undefined,
       maxDailyDeposit: form.maxDailyDeposit > 0 ? form.maxDailyDeposit : undefined,
     };