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/api/prisma/schema.prisma

@@ -17,9 +17,12 @@ model User {
   parentId      BigInt?   @map("parent_id")
   agentLevel    Int?      @map("agent_level")
   locale        String    @default("en-US") @db.VarChar(10)
-  createdAt     DateTime  @default(now()) @map("created_at")
-  updatedAt     DateTime  @updatedAt @map("updated_at")
-  deletedAt     DateTime? @map("deleted_at")
+  inviteCode        String?   @unique @map("invite_code") @db.VarChar(16)
+  inviteSponsorId   BigInt?   @map("invite_sponsor_id")
+  usedInviteId      BigInt?   @map("used_invite_id")
+  createdAt         DateTime  @default(now()) @map("created_at")
+  updatedAt         DateTime  @updatedAt @map("updated_at")
+  deletedAt         DateTime? @map("deleted_at")
 
   auth          UserAuth?
   wallet        Wallet?
@@ -27,15 +30,41 @@ model User {
   adminRole     AdminUserRole?
   bets          Bet[]
   preferences   UserPreference?
+  depositOrders DepositOrder[] @relation("PlayerDepositOrders")
 
-  parent        User?     @relation("UserHierarchy", fields: [parentId], references: [id])
-  children      User[]    @relation("UserHierarchy")
+  parent          User?     @relation("UserHierarchy", fields: [parentId], references: [id])
+  children        User[]    @relation("UserHierarchy")
+  inviteSponsor   User?        @relation("InviteSponsor", fields: [inviteSponsorId], references: [id])
+  invitedPlayers  User[]       @relation("InviteSponsor")
+  usedInvite      UserInvite?  @relation("UsedInvite", fields: [usedInviteId], references: [id])
+  invites         UserInvite[] @relation("UserInvites")
 
   @@index([userType])
   @@index([parentId])
+  @@index([inviteSponsorId])
+  @@index([usedInviteId])
   @@map("users")
 }
 
+model UserInvite {
+  id            BigInt    @id @default(autoincrement())
+  code          String    @unique @db.VarChar(16)
+  sponsorId     BigInt    @map("sponsor_id")
+  status        String    @default("ACTIVE") @db.VarChar(20)
+  registerCount Int       @default(0) @map("register_count")
+  createdAt     DateTime  @default(now()) @map("created_at")
+  revokedAt     DateTime? @map("revoked_at")
+  cashbackRate  Decimal?  @map("cashback_rate") @db.Decimal(8, 4)
+
+  sponsor       User      @relation("UserInvites", fields: [sponsorId], references: [id])
+  registrations User[]    @relation("UsedInvite")
+
+  @@index([sponsorId])
+  @@index([status])
+  @@index([createdAt])
+  @@map("user_invites")
+}
+
 model UserAuth {
   id              BigInt    @id @default(autoincrement())
   userId          BigInt    @unique @map("user_id")
@@ -613,6 +642,56 @@ model UploadedFile {
   @@map("uploaded_files")
 }
 
+// ============ Manual Deposit / Recharge ============
+
+model PaymentMethod {
+  id            BigInt    @id @default(autoincrement())
+  methodType    String    @map("method_type") @db.VarChar(20)
+  bankName      String?   @map("bank_name") @db.VarChar(128)
+  accountHolder String?   @map("account_holder") @db.VarChar(128)
+  accountNumber String?   @map("account_number") @db.VarChar(128)
+  usdtAddress   String?   @map("usdt_address") @db.VarChar(256)
+  qrCodeUrl     String?   @map("qr_code_url") @db.VarChar(500)
+  displayName   String?   @map("display_name") @db.VarChar(128)
+  sortOrder     Int       @default(0) @map("sort_order")
+  isActive      Boolean   @default(true) @map("is_active")
+  showOnPlayer  Boolean   @default(true) @map("show_on_player")
+  createdBy     BigInt?   @map("created_by")
+  createdAt     DateTime  @default(now()) @map("created_at")
+  updatedAt     DateTime  @updatedAt @map("updated_at")
+
+  depositOrders DepositOrder[]
+
+  @@index([methodType, isActive])
+  @@map("payment_methods")
+}
+
+model DepositOrder {
+  id              BigInt    @id @default(autoincrement())
+  orderNo         String    @unique @map("order_no") @db.VarChar(64)
+  playerId        BigInt    @map("player_id")
+  paymentMethodId BigInt    @map("payment_method_id")
+  methodType      String    @map("method_type") @db.VarChar(20)
+  amount          Decimal   @db.Decimal(18, 4)
+  screenshotUrl   String    @map("screenshot_url") @db.VarChar(500)
+  status          String    @default("PENDING") @db.VarChar(20)
+  approvedAmount  Decimal?  @map("approved_amount") @db.Decimal(18, 4)
+  reviewerId      BigInt?   @map("reviewer_id")
+  reviewedAt      DateTime? @map("reviewed_at")
+  rejectReason    String?   @map("reject_reason") @db.VarChar(500)
+  remark          String?   @db.VarChar(500)
+  createdAt       DateTime  @default(now()) @map("created_at")
+  updatedAt       DateTime  @updatedAt @map("updated_at")
+
+  player        User          @relation("PlayerDepositOrders", fields: [playerId], references: [id])
+  paymentMethod PaymentMethod @relation(fields: [paymentMethodId], references: [id])
+
+  @@index([playerId])
+  @@index([status])
+  @@index([createdAt])
+  @@map("deposit_orders")
+}
+
 // ============ System Config & Audit ============
 
 model SystemConfig {