test(09-03): add failing tests for Winter admin controller scaffolding

- make:admin-controller must emit config_form and config_list beside model fields and columns
- A pre-existing model asset must fail before any controller file is written

cabana/schema.go

@@ -41,6 +41,11 @@ type columnDocument struct {
 	Select     string `yaml:"select"`
 }
 
+// CompileList compiles one controller's config_list.yaml and columns.yaml.
+func CompileList(pluginID string, ctl pact.AdminController, fsys fs.FS) (*ListSchema, error) {
+	return compileList(pluginID, ctl, fsys)
+}
+
 func compileList(pluginID string, ctl pact.AdminController, fsys fs.FS) (*ListSchema, error) {
 	dir := strings.Trim(path.Clean(ctl.ConfigDir()), "/")
 	if dir == "." || strings.HasPrefix(dir, "..") {