import * as SqlClient from "effect/unstable/sql/SqlClient";import * as Effect from "effect/Effect"; const DEFAULT_APPROVAL_POLICY = "never";const DEFAULT_SANDBOX_MODE = "workspace-write"; export default Effect.gen(function* () {  const sql = yield* SqlClient.SqlClient;   yield* sql`      ALTER TABLE projection_thread_sessions      ADD COLUMN approval_policy TEXT NOT NULL DEFAULT 'never'    `;   yield* sql`      ALTER TABLE projection_thread_sessions      ADD COLUMN sandbox_mode TEXT NOT NULL DEFAULT 'workspace-write'    `;   yield* sql`    UPDATE projection_thread_sessions    SET approval_policy = ${DEFAULT_APPROVAL_POLICY}    WHERE approval_policy IS NULL  `;  yield* sql`    UPDATE projection_thread_sessions    SET sandbox_mode = ${DEFAULT_SANDBOX_MODE}    WHERE sandbox_mode IS NULL  `;});