POST /sessions/{session_id}/message

The endpoint POST /sessions and POST /sessions/{session_id}/message are part of the same agent.py module, together handling agent session creation and messaging. The endpoint POST /sessions and POST /sessions/{session_id}/message are part of the same agent_openclaw.py module, together handling agent session creation and messaging. The endpoint POST /sessions and POST /sessions/{session_id}/message are part of the same agent_pydantic.py module, together handling agent session creation and messaging. The endpoint POST /sessions and POST /sessions/{session_id}/message are part of the same agent_vanna.py module, together handling agent session creation and messaging. The message sending endpoint for sessions and the retrieval of project findings are related agent functionalities within the same backend context. The message sending endpoint for sessions and the GDPR scanning endpoint are related agent functionalities within the agent backend. Within the agent backend, the message sending for sessions and model switching for sessions operate on the same session resource. Sending a message in a session and retrieving skill execution logs both relate to the same session in agent backend.