fix: stabilize directory cli output

src/cli/directory-cli.ts

@@ -225,9 +225,24 @@ export function registerDirectoryCli(program: Command) {
           defaultRuntime.log(JSON.stringify(result, null, 2));
           return;
         }
-        for (const entry of result) {
+        if (result.length === 0) {
-          defaultRuntime.log(formatEntry(entry));
+          defaultRuntime.log(theme.muted("No group members found."));
+          return;
         }
+        const tableWidth = Math.max(60, (process.stdout.columns ?? 120) - 1);
+        defaultRuntime.log(
+          `${theme.heading("Group Members")} ${theme.muted(`(${result.length})`)}`,
+        );
+        defaultRuntime.log(
+          renderTable({
+            width: tableWidth,
+            columns: [
+              { key: "ID", header: "ID", minWidth: 16, flex: true },
+              { key: "Name", header: "Name", minWidth: 18, flex: true },
+            ],
+            rows: buildRows(result),
+          }).trimEnd(),
+        );
       } catch (err) {
         defaultRuntime.error(danger(String(err)));
         defaultRuntime.exit(1);