Module validation 

Validation utilities

Structs

EnhancedAccountValidator

Enhanced account validator with detailed checks

EnhancedTransactionValidator

Enhanced transaction validator with detailed checks

Functions

validate_account_id

Validate that an account ID is valid

validate_account_name

Validate that an account name is valid

validate_positive_amount

Validate that an amount is positive

validate_transaction_description

Validate that a transaction description is valid