-- Additive ledger. Batch effects and result are committed in the same transaction.
CREATE TABLE IF NOT EXISTS sag_command_batches (
 request_id UUID PRIMARY KEY,
 sag_id INTEGER NOT NULL REFERENCES sag_sager(id),
 actor_id INTEGER NOT NULL REFERENCES users(user_id),
 payload_hash TEXT NOT NULL,
 result JSONB NOT NULL,
 created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
);
ALTER TABLE sag_todo_steps ADD COLUMN IF NOT EXISTS assigned_to_user_id INTEGER REFERENCES users(user_id);
CREATE TABLE IF NOT EXISTS sag_command_mail_drafts (
 id SERIAL PRIMARY KEY,
 sag_id INTEGER NOT NULL REFERENCES sag_sager(id),
 actor_id INTEGER NOT NULL REFERENCES users(user_id),
 subject TEXT NOT NULL,
 body TEXT NOT NULL,
 created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
);