curl -X PATCH \
  "http://localhost:8000/api/v2/agents/my-agent/memories/b7c3cf31-e537-49f1-abc4-c50ac6adeac5" \
  -H "X-Session-Token: your_session_token" \
  -H "Content-Type: application/json" \
  -d '{
    "content": "User prefers light mode (updated)",
    "confidence": 0.99
  }'

{
  "agent_id": "my-agent",
  "session_id": "sess_abc123",
  "namespace": "memanto_agent_my-agent",
  "memory_id": "b7c3cf31-e537-49f1-abc4-c50ac6adeac5",
  "status": "updated",
  "action": "updated",
  "updated_fields": [
    "content",
    "confidence"
  ]
}

{
  "detail": "Provide at least one field to update."
}

{
  "detail": "Memory 'b7c3cf31-e537-49f1-abc4-c50ac6adeac5' was not found."
}

{
  "detail": "Missing session token. Use X-Session-Token header."
}