fix: delegate wrapper subcommand help to core cli

lib/wrapper.cjs

@@ -85,9 +85,13 @@ Environment overrides:
   - AI_CRAWLER_UVX_PYTHON    Override uvx Python version (default: 3.11)`);
 }
 
+function shouldPrintWrapperHelp(args) {
+  return args.length === 0 || (args.length === 1 && (args[0] === '--help' || args[0] === '-h' || args[0] === 'help'));
+}
+
 function runCli(argv, options = {}) {
   const args = Array.isArray(argv) ? argv : [];
-  if (args.includes('--help') || args.includes('-h') || args[0] === 'help') {
+  if (shouldPrintWrapperHelp(args)) {
     printHelp(options.packageRoot || packageRootFromModuleDir());
     return 0;
   }
@@ -133,4 +137,5 @@ module.exports = {
   publishedPythonSpec,
   readPackageMetadata,
   runCli,
+  shouldPrintWrapperHelp,
 };

test/npm-wrapper.test.cjs

@@ -89,6 +89,40 @@ test('readPackageMetadata loads wrapper metadata gitHead when present', () => {
   assert.deepEqual(metadata, {version: '0.1.1', gitHead: 'abc123'});
 });
 
+test('runCli prints wrapper help for top-level --help without spawning the core CLI', () => {
+  const calls = [];
+  const exitCode = wrapper.runCli(['--help'], {
+    packageRoot: '/repo/ai-crawler',
+    spawnSync: (...args) => {
+      calls.push(args);
+      return {status: 0};
+    },
+  });
+
+  assert.equal(exitCode, 0);
+  assert.deepEqual(calls, []);
+});
+
+test('runCli delegates subcommand --help to the core CLI', () => {
+  const calls = [];
+  const exitCode = wrapper.runCli(['mcp-config', '--help'], {
+    packageRoot: '/repo/ai-crawler',
+    localCoreAvailable: true,
+    spawnSync: (executable, args) => {
+      calls.push({executable, args});
+      return {status: 0};
+    },
+  });
+
+  assert.equal(exitCode, 0);
+  assert.deepEqual(calls, [
+    {
+      executable: 'uv',
+      args: ['run', '--project', '/repo/ai-crawler', 'ai-crawler', 'mcp-config', '--help'],
+    },
+  ]);
+});
+
 test('packageRootFromModuleDir resolves package root from lib directory', () => {
   const packageRoot = wrapper.packageRootFromModuleDir(path.join('/repo/ai-crawler', 'lib'));
   assert.equal(packageRoot, '/repo/ai-crawler');