Discriminated union emitted by SerialSession.state$ — the canonical lifecycle source.
Each variant carries the lifecycle status plus optional detail fields (portInfo when connected, error when in a fatal error state).
status
portInfo
error
Issue #406
Discriminated union emitted by SerialSession.state$ — the canonical lifecycle source.
Each variant carries the lifecycle
statusplus optional detail fields (portInfowhen connected,errorwhen in a fatal error state).