bot telegram debt init

prisma/schema.prisma

@@ -32,6 +32,11 @@ model User {
   auditLogs        AuditLog[]
   mediaObjects     MediaObject[]
   lastGroupHash    String?          @db.Text
+  // relations for debt module
+  debtGroupsOwned  DebtGroup[]
+  debtGroupMembers DebtGroupMember[]
+  createdDebtTransactions DebtTransaction[]
+
   createdAt        DateTime         @default(now())
   updatedAt        DateTime         @updatedAt
 
@@ -188,3 +193,79 @@ model Application {
   @@index([applicationsClaim], name: "Application_applicationsClaim_idx")
   @@map("Application")
 }
+
+// Debt management models for /api/bot/debt
+
+enum DebtTransactionType {
+  DEBT
+  PAYMENT
+}
+
+model DebtGroup {
+  id         String        @id @default(uuid()) @db.Uuid
+  publicId   String        @unique @db.VarChar(20) // e.g. RL-X7K29P
+  name       String        @db.VarChar(255)
+  ownerId    String        @db.Uuid
+  owner      User          @relation(fields: [ownerId], references: [id], onDelete: Cascade)
+  members    DebtGroupMember[]
+  people     DebtPerson[]
+  transactions DebtTransaction[]
+  createdAt  DateTime      @default(now())
+  updatedAt  DateTime      @updatedAt
+
+  @@index([publicId])
+  @@index([ownerId])
+}
+
+model DebtGroupMember {
+  id        String   @id @default(uuid()) @db.Uuid
+  group     DebtGroup @relation(fields: [groupId], references: [id], onDelete: Cascade)
+  groupId   String   @db.Uuid
+  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)
+  userId    String   @db.Uuid
+  createdAt DateTime @default(now())
+
+  @@unique([groupId, userId])
+  @@index([groupId])
+  @@index([userId])
+}
+
+model DebtPerson {
+  id        String   @id @default(uuid()) @db.Uuid
+  group     DebtGroup @relation(fields: [groupId], references: [id], onDelete: Cascade)
+  groupId   String   @db.Uuid
+  name      String   @db.VarChar(255)
+  isDeleted Boolean  @default(false)
+  // relations back to transactions
+  transactionsFrom DebtTransaction[] @relation("fromPerson")
+  transactionsTo   DebtTransaction[] @relation("toPerson")
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+
+  @@unique([groupId, name])
+  @@index([groupId])
+}
+
+model DebtTransaction {
+  id                 String               @id @default(uuid()) @db.Uuid
+  group              DebtGroup            @relation(fields: [groupId], references: [id], onDelete: Cascade)
+  groupId            String               @db.Uuid
+  fromPerson         DebtPerson           @relation("fromPerson", fields: [fromPersonId], references: [id], onDelete: Restrict)
+  fromPersonId       String               @db.Uuid
+  toPerson           DebtPerson           @relation("toPerson", fields: [toPersonId], references: [id], onDelete: Restrict)
+  toPersonId         String               @db.Uuid
+  amount             BigInt               @db.BigInt
+  type               DebtTransactionType
+  description        String?
+  transactionDate    DateTime             @db.Date
+  createdAt          DateTime             @default(now())
+  createdByUserId    String               @db.Uuid
+  createdByUser      User                 @relation(fields: [createdByUserId], references: [id], onDelete: SetNull)
+  requestId          String?              @db.VarChar(255)
+
+  @@index([groupId])
+  @@index([fromPersonId])
+  @@index([toPersonId])
+  @@unique([groupId, requestId])
+}
+