Agent migration file 003_agent_tables.sql

The 003_agent_tables.sql migration file creates the agent session database tables required for the IronClaw agent. Jesper DevOps is responsible for executing the agent migration file 003_agent_tables.sql to enable the IronClaw agent database functionality. The SQL migration execution script is used to apply the agent migration file 003_agent_tables.sql to the PostgreSQL database on theo. Agent database migration corresponds to the migration script backend/migrations/003_agent_tables.sql which was applied.