import * as SqlClient from "effect/unstable/sql/SqlClient";import * as Effect from "effect/Effect"; const DEFAULT_RUNTIME_MODE = "full-access"; export default Effect.gen(function* () {  const sql = yield* SqlClient.SqlClient;   yield* sql`      ALTER TABLE projection_thread_sessions      ADD COLUMN runtime_mode TEXT NOT NULL DEFAULT 'full-access'    `;   yield* sql`    UPDATE projection_thread_sessions    SET runtime_mode = ${DEFAULT_RUNTIME_MODE}    WHERE runtime_mode IS NULL  `;});