删除钱包充值功能并消除重复入账风险

钱包充值为开发态测试功能(生产环境本就禁用),且支付回调存在重复入账风险:入账与标记 paid 两步非原子、wallet_ledger 去重无唯一索引、幂等键使用了可变的 ProviderOrderID。直接删除该功能从根本上消除风险。

后端:
- payment 移除 StartWalletRecharge/QueryWalletRecharge 及相关 handler/DTO/常量;confirmPaid 增加 OrderID 守卫;解除对 wallet 仓库的依赖
- wallet 移除 Recharge/ConfirmRechargeFromChannel 及相关定义
- 移除三条充值路由;adminfinance 财务统计口径只统计 order_pay
- 清理充值相关测试用例

前端:
- 移除充值 API、WalletView 充值面板/弹窗、admin 充值标签与筛选
- 保留钱包余额、流水、提现等核心能力

go build/vet 与 vue-tsc typecheck 均通过。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

backend/internal/modules/payment/repository.go

@@ -8,14 +8,12 @@ import (
 	"hfb_sys/backend/internal/model"
 	"hfb_sys/backend/internal/modules/order"
 	"hfb_sys/backend/internal/modules/paymentconfig"
-	"hfb_sys/backend/internal/modules/wallet"
 )
 
 type Repository struct {
 	db         *gorm.DB
 	configRepo *paymentconfig.Repository
 	orderRepo  *order.Repository
-	walletRepo *wallet.Repository
 }
 
 type runtimePaymentConfig struct {
@@ -46,12 +44,11 @@ var refundBizTypes = []string{
 	"arbitration_refund",
 }
 
-func NewRepository(db *gorm.DB, configRepo *paymentconfig.Repository, orderRepo *order.Repository, walletRepo *wallet.Repository) *Repository {
+func NewRepository(db *gorm.DB, configRepo *paymentconfig.Repository, orderRepo *order.Repository) *Repository {
 	return &Repository{
 		db:         db,
 		configRepo: configRepo,
 		orderRepo:  orderRepo,
-		walletRepo: walletRepo,
 	}
 }
 func (c runtimePaymentConfig) isMockMode() bool {