More work on LibreOffice support.

internal/app/runtime_workers.go

@@ -29,7 +29,7 @@ import (
 // Each done channel closes after its worker exits. commandError is read after
 // commandDone closes, so no additional synchronization is needed.
 type runtimeWorkers struct {
-	reviewRequests    <-chan struct{}
+	reviewRequests    <-chan input.Command
 	attributeRequests <-chan struct{}
 	commandDone       <-chan struct{}
 	clipboardDone     <-chan struct{}
@@ -53,7 +53,7 @@ func startRuntimeWorkers(ctx context.Context, command commandRuntime, inputListe
 	clipboardRequests := make(chan struct{}, 1)
 	clipboardDone := runClipboardWorker(ctx, clipboardRequests, speech, readClipboardMessage)
 	command.clipboardRequests = clipboardRequests
-	reviewRequests := make(chan struct{}, 1)
+	reviewRequests := make(chan input.Command, 1)
 	command.reviewRequests = reviewRequests
 	attributeRequests := make(chan struct{}, 1)
 	command.attributeRequests = attributeRequests