Complete runner lifecycle refactor

internal/app/regenerate_artifacts.go

@@ -9,6 +9,10 @@ import (
 // RegenerateArtifacts expands the convenience command into its canonical run
 // invocation. The run command remains the sole owner of parsing and execution.
 func RegenerateArtifacts(ctx context.Context, args []string, out io.Writer) error {
+	return regenerateArtifactsWithPipelineExecutor(ctx, args, out, executePlan)
+}
+
+func regenerateArtifactsWithPipelineExecutor(ctx context.Context, args []string, out io.Writer, executor pipelineExecutor) error {
 	if containsHelpOption(args) {
 		printRegenerateArtifactsHelp(out)
 		return nil
@@ -21,7 +25,7 @@ func RegenerateArtifacts(ctx context.Context, args []string, out io.Writer) erro
 	}
 	expanded = append(expanded, "--force", "--from", "extract", "--through", "analyze")
 	expanded = append(expanded, args...)
-	return runCommandFn(ctx, expanded, out)
+	return runWithPipelineExecutor(ctx, expanded, out, executor)
 }
 
 func containsHelpOption(args []string) bool {