feat: reprocess all command

internal/app/app.go

@@ -178,6 +178,13 @@ func (a *App) ReprocessDataset(ctx context.Context, id uuid.UUID) (domain.Datase
 	return a.datasets.Reprocess(ctx, id)
 }
 
+// ReprocessAllDatasets re-enqueues the processing job for every dataset,
+// restarting each one's asynchronous pipeline. It returns how many jobs were
+// enqueued and a per-dataset map of any failures.
+func (a *App) ReprocessAllDatasets(ctx context.Context) (int, map[uuid.UUID]error, error) {
+	return a.datasets.ReprocessAll(ctx)
+}
+
 // Close releases all resources in reverse order of acquisition.
 func (a *App) Close() {
 	if a.rabbit != nil {