bug: Conversation memory doesn’t retain multi-turn context

[ManojRamani]

Where: labs/module3/notebooks/2_agent_memory.ipynb

See issue in the cell output

Conversation upserted: session_id='36797271-eedf-4da5-a6a8-e2eaffe5557f' user_id=None agent_id=None messages=[Message(role='user', content=[TextContent(type='text', text='Hello, can you quickly tell me why the sky is blue? One sentence is fine.')], tool_calls=[], tool_results=[], timestamp=1767825670.081044), Message(role='assistant', content=[TextContent(type='text', text="The sky appears blue due to the scattering of sunlight by the gases in the Earth's atmosphere, a phenomenon known as Rayleigh scattering.")], tool_calls=[], tool_results=[], timestamp=1767825671.099216), Message(role='user', content=[TextContent(type='text', 

**_text='What were we talking about again?'_**)],

 tool_calls=[], tool_results=[], timestamp=1767825671.124531), Message(role='assistant', content=[TextContent(type='text', text="I'm afraid I don't have enough context to recall what the previous topic of conversation was. As an AI assistant, I don't have a persistent memory of our full conversation history. I can only respond based on the most recent prompt or question you provide me.")], tool_calls=[], tool_results=[], timestamp=1767825672.969939)] system_prompt=None session_metadata=None
--- Models response ---
{
  "message": {
    "role": "assistant",
    "content": [
      {
        "type": "text",
        "text": "I'm afraid I don't have enough context to recall what the previous topic of conversation was. As an AI assistant, I don't have a persistent memory of our full conversation history. I can only respond based on the most recent prompt or question you provide me."
      }
    ],
    "tool_calls": [],
    "tool_results": [],
    "timestamp": 1767825672.969939
  },
  "session_id": "36797271-eedf-4da5-a6a8-e2eaffe5557f",
  "metadata": {}
}