feat: add wallet and recharge cards

prisma/schema.prisma

@@ -88,6 +88,14 @@ enum OrderKind {
   TRAFFIC_TOPUP
 }
 
+enum WalletTransactionType {
+  BALANCE_RECHARGE
+  BALANCE_PAYMENT
+  CARD_REDEEM
+  ADMIN_ADJUST
+  REFUND
+}
+
 enum Protocol {
   VMESS
   VLESS
@@ -165,6 +173,18 @@ enum SupportTicketPriority {
   URGENT
 }
 
+enum RechargeCardType {
+  BALANCE
+  PLAN
+}
+
+enum RechargeCardStatus {
+  UNUSED
+  REDEEMED
+  DISABLED
+  EXPIRED
+}
+
 model User {
   id              String     @id @default(cuid())
   email           String     @unique
@@ -196,6 +216,11 @@ model User {
   supportTickets        SupportTicket[]
   supportReplies        SupportTicketReply[]
   emailTokens           EmailToken[]
+  walletAccount         WalletAccount?
+  walletTransactions    WalletTransaction[]
+  walletRechargeOrders  WalletRechargeOrder[]
+  redeemedRechargeCards RechargeCard[]      @relation("RechargeCardRedeemer")
+  createdRechargeCards  RechargeCard[]      @relation("RechargeCardCreator")
 }
 
 model EmailToken {
@@ -301,6 +326,7 @@ model SubscriptionPlan {
   orders           Order[]
   cartItems        ShoppingCartItem[]
   orderItems       OrderItem[]
+  rechargeCards    RechargeCard[]
 
   @@index([type, isActive, isFeatured, sortOrder])
   @@index([inboundId])
@@ -482,6 +508,7 @@ model NodeInbound {
   selectedByOrders Order[]
   cartItems        ShoppingCartItem[]
   orderItems       OrderItem[]
+  rechargeCards    RechargeCard[]
 
   @@unique([serverId, tag])
   @@unique([serverId, panelInboundId])
@@ -598,6 +625,7 @@ model Order {
   items              OrderItem[]
   couponGrants       CouponGrant[]        @relation("CouponGrantUsedOrder")
   inviteRewards      InviteRewardLedger[]
+  walletTransactions WalletTransaction[]
 
   @@index([userId])
   @@index([kind])
@@ -608,6 +636,98 @@ model Order {
   @@index([couponId])
 }
 
+model WalletAccount {
+  id        String   @id @default(cuid())
+  userId    String   @unique
+  balance   Decimal  @default(0)
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+
+  user         User                @relation(fields: [userId], references: [id], onDelete: Cascade)
+  transactions WalletTransaction[]
+
+  @@index([updatedAt])
+}
+
+model WalletTransaction {
+  id              String                @id @default(cuid())
+  walletId        String
+  userId          String
+  type            WalletTransactionType
+  amount          Decimal
+  balanceAfter    Decimal
+  description     String?
+  orderId         String?
+  rechargeOrderId String?
+  rechargeCardId  String?
+  metadata        Json?
+  createdAt       DateTime              @default(now())
+
+  wallet        WalletAccount       @relation(fields: [walletId], references: [id], onDelete: Cascade)
+  user          User                @relation(fields: [userId], references: [id], onDelete: Cascade)
+  order         Order?              @relation(fields: [orderId], references: [id], onDelete: SetNull)
+  rechargeOrder WalletRechargeOrder? @relation(fields: [rechargeOrderId], references: [id], onDelete: SetNull)
+  rechargeCard  RechargeCard?       @relation(fields: [rechargeCardId], references: [id], onDelete: SetNull)
+
+  @@index([userId, createdAt])
+  @@index([walletId, createdAt])
+  @@index([orderId])
+  @@index([rechargeOrderId])
+  @@index([rechargeCardId])
+}
+
+model WalletRechargeOrder {
+  id            String      @id @default(cuid())
+  userId        String
+  amount        Decimal
+  status        OrderStatus @default(PENDING)
+  paymentMethod String?
+  paymentRef    String?
+  paymentUrl    String?
+  tradeNo       String?     @unique
+  expireAt      DateTime?
+  note          String?
+  createdAt     DateTime    @default(now())
+  updatedAt     DateTime    @updatedAt
+
+  user         User                @relation(fields: [userId], references: [id], onDelete: Cascade)
+  transactions WalletTransaction[]
+
+  @@index([userId, createdAt])
+  @@index([status])
+  @@index([tradeNo])
+}
+
+model RechargeCard {
+  id                String             @id @default(cuid())
+  code              String             @unique
+  type              RechargeCardType
+  status            RechargeCardStatus @default(UNUSED)
+  balanceAmount     Decimal?
+  planId            String?
+  selectedInboundId String?
+  trafficGb         Int?
+  batchName         String?
+  note              String?
+  expiresAt         DateTime?
+  redeemedById      String?
+  redeemedAt        DateTime?
+  createdById       String?
+  createdAt         DateTime           @default(now())
+  updatedAt         DateTime           @updatedAt
+
+  plan            SubscriptionPlan?  @relation(fields: [planId], references: [id], onDelete: SetNull)
+  selectedInbound NodeInbound?       @relation(fields: [selectedInboundId], references: [id], onDelete: SetNull)
+  redeemedBy      User?              @relation("RechargeCardRedeemer", fields: [redeemedById], references: [id], onDelete: SetNull)
+  createdBy       User?              @relation("RechargeCardCreator", fields: [createdById], references: [id], onDelete: SetNull)
+  transactions    WalletTransaction[]
+
+  @@index([type, status, createdAt])
+  @@index([planId])
+  @@index([redeemedById, redeemedAt])
+  @@index([expiresAt])
+}
+
 model NodeLatency {
   id        String   @id @default(cuid())
   nodeId    String