Add pre commit (#26)

.github/workflows/test_conversational_agents_chatbot.yml

@@ -1,8 +1,5 @@
 name: Conversational Agents Chatbot Test
-on:
-  schedule:
-    - cron: '0 0 */3 * *'
-  workflow_dispatch:
+on: [push]
 
 jobs:
   test:
@@ -30,6 +27,7 @@ jobs:
 
       - name: Run tests
         env:
+          PYTHONPATH: ${{ github.workspace }}/conversational_agents/chatbot
           DASHSCOPE_API_KEY: ${{ secrets.DASHSCOPE_API_KEY }}
         run: |
           # ✅ Use correct relative path