Invoke an operation as an Effect. Returns an Effect that resolves to the operation output.
Invoke an operation and return a Promise. Useful for async contexts where Effect is not available.
Schedule an operation to run as a followup. The followup is tracked and won't be cancelled when the parent operation completes. Returns an Effect that completes immediately after scheduling.
Operation service interface - provides unified access to operation invocation and scheduling. This service is automatically provided to operation handlers.