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_threads)  `;   if (!columns.some((column) => column.name === "branch_pull_request_json")) {    yield* sql`      ALTER TABLE projection_threads      ADD COLUMN branch_pull_request_json TEXT    `;  }});