DebtObligationRepository

• get
  (debt_id: UUID) -> DebtObligation | None
  Get debt obligation by ID
• save
  (debt: DebtObligation) -> None
  Insert or update a debt obligation
• delete
  (debt_id: UUID) -> bool
  Delete a debt obligation
• list_by_owner
  (owner_id: UUID, status: DebtStatus | None) -> list[DebtObligation]
  List debts for owner, optionally by status
• list_by_owner_and_token
  (owner_id: UUID, token_type_id: UUID, status: DebtStatus | None) -> list[DebtObligation]
  List debts for specific token type
• get_total_outstanding
  (owner_id: UUID, token_type_id: UUID | None) -> dict[UUID, int]
  Get total outstanding debt by token type
• query
  (spec: QuerySpec) -> QueryResult[DebtObligation]
  Query with filters, sorting, pagination

• InMemoryDebtObligationRepository
  from budget
  In-memory debt storage for testing

Not required by any components