use relative import

Author: p-

src/seclab_taskflow_agent/banner.py

@@ -1,7 +1,7 @@
 # SPDX-FileCopyrightText: 2026 GitHub
 # SPDX-License-Identifier: MIT
 
-from seclab_taskflow_agent.capi import get_AI_endpoint
+from .capi import get_AI_endpoint
 
 def get_banner():
     api_endpoint = get_AI_endpoint()