Fix Feishu MCP npx resolution

tests/test_feishu_integration.py

@@ -114,6 +114,28 @@ class FeishuIntegrationTests(unittest.TestCase):
 
         self.assertEqual(url, 'https://mi.feishu.cn/docx/CZIldpM3QofbbXxxAq1cEininTd')
 
+    def test_feishu_command_uses_deployed_node_bin_dir(self) -> None:
+        with tempfile.TemporaryDirectory() as tmp_dir, patch.dict(
+            gui_server.os.environ,
+            {'CLAW_NODE_BIN_DIR': tmp_dir, 'PATH': ''},
+            clear=False,
+        ):
+            npx_path = Path(tmp_dir) / 'npx'
+            npx_path.write_text('#!/usr/bin/env node\n', encoding='utf-8')
+            npx_path.chmod(0o755)
+
+            command = gui_server._feishu_command()
+            env = gui_server._feishu_env(
+                {
+                    'home': Path(tmp_dir) / 'home',
+                    'config': Path(tmp_dir) / 'config',
+                    'npm_cache': Path(tmp_dir) / 'npm-cache',
+                }
+            )
+
+        self.assertEqual(command[0], str(npx_path))
+        self.assertTrue(env['PATH'].startswith(tmp_dir))
+
     def test_create_online_doc_rejects_jsonl_for_now(self) -> None:
         with tempfile.TemporaryDirectory() as tmp_dir:
             client, state = _build_client(Path(tmp_dir))