PhysicalTableData Model
agent_messages
The `agent_messages` table contains conversation history linked to agent sessions for cross-session memory. AgentMessage data entities are part of AgentSession data entities representing messages within an agent session. Messages in agent_messages are linked to a particular session via the session_id column. AgentSession data entity includes AgentMessage data entity as a related component. Agent sessions include agent_messages tables which hold messages associated with each session.