CREATE TABLE IF NOT EXISTS room_message (
    id UUID PRIMARY KEY,
    seq BIGINT NOT NULL,
    room UUID NOT NULL,
    sender_type VARCHAR(255) NOT NULL,
    sender_id UUID,
    thread UUID,
    content TEXT NOT NULL,
    content_type VARCHAR(255) NOT NULL,
    edited_at TIMESTAMPTZ,
    send_at TIMESTAMPTZ NOT NULL,
    revoked TIMESTAMPTZ,
    revoked_by UUID
);

CREATE INDEX idx_room_message_room_seq ON room_message (room, seq);
CREATE INDEX idx_room_message_thread ON room_message (thread);
CREATE INDEX idx_room_message_send_at ON room_message (send_at);