Module progress 

Progress reporting for run progress (E4.3). Used by the runner to emit done/total in completion order; console layer consumes via a sink.

Structs

ProgressEvent

One progress update: how many tests are done and total count.

Type Aliases

ProgressSink

Sink for progress events. Runner calls this each time a test completes. Implementations may throttle (e.g. max N updates/sec or every k tests).