CREATE TABLE IF NOT EXISTS cms_operations (
 id CHAR(36) CHARACTER SET ascii COLLATE ascii_bin PRIMARY KEY,
 actor_id INT NOT NULL,
 kind VARCHAR(64) CHARACTER SET ascii COLLATE ascii_bin NOT NULL,
 request_key CHAR(36) CHARACTER SET ascii COLLATE ascii_bin NOT NULL,
 request_hash CHAR(64) CHARACTER SET ascii COLLATE ascii_bin NOT NULL,
 result_json MEDIUMTEXT NULL,
 created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
 UNIQUE KEY operation_request (actor_id,kind,request_key)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
CREATE TABLE IF NOT EXISTS cms_outbox (
 id CHAR(36) CHARACTER SET ascii COLLATE ascii_bin PRIMARY KEY,
 operation_id CHAR(36) CHARACTER SET ascii COLLATE ascii_bin NOT NULL,
 topic VARCHAR(64) NOT NULL,
 status VARCHAR(16) NOT NULL DEFAULT 'pending',
 attempts INT NOT NULL DEFAULT 0,
 available_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
 lease_until DATETIME(3) NULL,
 lease_token CHAR(36) CHARACTER SET ascii COLLATE ascii_bin NULL,
 last_error VARCHAR(255) NULL,
 created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
 UNIQUE KEY operation_effect (operation_id,topic),
 KEY delivery_pending (status,available_at),
 KEY delivery_lease (status,lease_until)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;