Read files from captured Git commits

internal/validation/validation.go

@@ -20,6 +20,12 @@ type Request struct {
 	Settings      Settings
 }
 
+// ReadCandidateTree loads the committed-file inventory when a selected check
+// needs file-oriented input.
+func (request Request) ReadCandidateTree(ctx context.Context) (*CandidateTree, error) {
+	return ReadCandidateTree(ctx, request.RepositoryDir, request.Commit)
+}
+
 // Run executes shared validation for the captured candidate.
 func Run(ctx context.Context, request Request) error {
 	tool, err := gotool.New(ctx, request.RepositoryDir)