feat(cli): add print-command-tree build-time script

packages/cli/src/print-command-tree.test.ts

@@ -0,0 +1,23 @@
+import { describe, expect, it } from 'vitest';
+import { renderKtxCommandTree } from './print-command-tree.js';
+
+describe('renderKtxCommandTree', () => {
+  it('renders an indented tree rooted at "ktx" with known top-level commands', () => {
+    const output = renderKtxCommandTree();
+
+    const lines = output.split('\n');
+    expect(lines[0]).toMatch(/^ktx( |$|\s-)/);
+
+    const topLevel = lines.filter((line) => /^ {2}\S/.test(line)).map((line) => line.trim().split(' ')[0]);
+
+    for (const expected of ['setup', 'connection', 'ingest', 'sl', 'dev']) {
+      expect(topLevel).toContain(expected);
+    }
+  });
+
+  it('ends with a single trailing newline', () => {
+    const output = renderKtxCommandTree();
+    expect(output.endsWith('\n')).toBe(true);
+    expect(output.endsWith('\n\n')).toBe(false);
+  });
+});