package postgres

import "context"

// UnitOfWork wraps a set of repository operations in a single database transaction.
// The transaction is injected into the context; [Provider.GetExecutor] returns it
// automatically so repository code requires no changes to participate.
type UnitOfWork interface {
	// Do begins a transaction, calls fn with the enriched context, and commits
	// on success or rolls back on error. The original fn error is always returned
	// when fn fails, regardless of the rollback outcome.
	Do(ctx context.Context, fn func(ctx context.Context) error) error
}