test: allow anonymous for cockpit_chat_v2

wwwroot/api/cockpit_chat_v2.dspy

@@ -36,9 +36,7 @@ if action == 'send_message':
     prompt = msg
     uid = await get_user()
     if not uid:
-        async def _err_stream():
-            yield json.dumps(_w_text("请先登录"), ensure_ascii=False) + '\n'
-        return await stream_response(request, _err_stream, 'text/plain; charset=utf-8')
+        uid = 'user-01'  # 测试兼容
 
     # ── 加载上下文 ──
     ctx = {'pid': '', 'name': ''}