import * as Effect from "effect/Effect";import * as SqlClient from "effect/unstable/sql/SqlClient"; export default Effect.gen(function* () {  const sql = yield* SqlClient.SqlClient;  const columns = yield* sql<{ readonly name: string }>`    PRAGMA table_info(projection_projects)  `;   if (!columns.some((column) => column.name === "default_thread_env_mode")) {    yield* sql`      ALTER TABLE projection_projects      ADD COLUMN default_thread_env_mode TEXT    `;  }});