-- Remove persona tracking and brief metadata fields

ALTER TABLE council_agents
    DROP COLUMN IF EXISTS persona_status,
    DROP COLUMN IF EXISTS persona_loaded_at,
    DROP COLUMN IF EXISTS persona_ack_payload,
    DROP COLUMN IF EXISTS endpoint_url;

ALTER TABLE councils
    DROP COLUMN IF EXISTS brief_owner_role,
    DROP COLUMN IF EXISTS brief_dispatched_at,
    DROP COLUMN IF EXISTS activation_payload;